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codeinthehole/django-cacheback | cacheback/base.py | Job.async_refresh | def async_refresh(self, *args, **kwargs):
"""
Trigger an asynchronous job to refresh the cache
"""
# We trigger the task with the class path to import as well as the
# (a) args and kwargs for instantiating the class
# (b) args and kwargs for calling the 'refresh' method
try:
enqueue_task(
dict(
klass_str=self.class_path,
obj_args=self.get_init_args(),
obj_kwargs=self.get_init_kwargs(),
call_args=args,
call_kwargs=kwargs
),
task_options=self.task_options
)
except Exception:
# Handle exceptions from talking to RabbitMQ - eg connection
# refused. When this happens, we try to run the task
# synchronously.
logger.error("Unable to trigger task asynchronously - failing "
"over to synchronous refresh", exc_info=True)
try:
return self.refresh(*args, **kwargs)
except Exception as e:
# Something went wrong while running the task
logger.error("Unable to refresh data synchronously: %s", e,
exc_info=True)
else:
logger.debug("Failover synchronous refresh completed successfully") | python | def async_refresh(self, *args, **kwargs):
"""
Trigger an asynchronous job to refresh the cache
"""
# We trigger the task with the class path to import as well as the
# (a) args and kwargs for instantiating the class
# (b) args and kwargs for calling the 'refresh' method
try:
enqueue_task(
dict(
klass_str=self.class_path,
obj_args=self.get_init_args(),
obj_kwargs=self.get_init_kwargs(),
call_args=args,
call_kwargs=kwargs
),
task_options=self.task_options
)
except Exception:
# Handle exceptions from talking to RabbitMQ - eg connection
# refused. When this happens, we try to run the task
# synchronously.
logger.error("Unable to trigger task asynchronously - failing "
"over to synchronous refresh", exc_info=True)
try:
return self.refresh(*args, **kwargs)
except Exception as e:
# Something went wrong while running the task
logger.error("Unable to refresh data synchronously: %s", e,
exc_info=True)
else:
logger.debug("Failover synchronous refresh completed successfully") | [
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codeinthehole/django-cacheback | cacheback/base.py | Job.should_stale_item_be_fetched_synchronously | def should_stale_item_be_fetched_synchronously(self, delta, *args, **kwargs):
"""
Return whether to refresh an item synchronously when it is found in the
cache but stale
"""
if self.fetch_on_stale_threshold is None:
return False
return delta > (self.fetch_on_stale_threshold - self.lifetime) | python | def should_stale_item_be_fetched_synchronously(self, delta, *args, **kwargs):
"""
Return whether to refresh an item synchronously when it is found in the
cache but stale
"""
if self.fetch_on_stale_threshold is None:
return False
return delta > (self.fetch_on_stale_threshold - self.lifetime) | [
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codeinthehole/django-cacheback | cacheback/base.py | Job.key | def key(self, *args, **kwargs):
"""
Return the cache key to use.
If you're passing anything but primitive types to the ``get`` method,
it's likely that you'll need to override this method.
"""
if not args and not kwargs:
return self.class_path
try:
if args and not kwargs:
return "%s:%s" % (self.class_path, self.hash(args))
# The line might break if your passed values are un-hashable. If
# it does, you need to override this method and implement your own
# key algorithm.
return "%s:%s:%s:%s" % (self.class_path,
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except TypeError:
raise RuntimeError(
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"""
Return the cache key to use.
If you're passing anything but primitive types to the ``get`` method,
it's likely that you'll need to override this method.
"""
if not args and not kwargs:
return self.class_path
try:
if args and not kwargs:
return "%s:%s" % (self.class_path, self.hash(args))
# The line might break if your passed values are un-hashable. If
# it does, you need to override this method and implement your own
# key algorithm.
return "%s:%s:%s:%s" % (self.class_path,
self.hash(args),
self.hash([k for k in sorted(kwargs)]),
self.hash([kwargs[k] for k in sorted(kwargs)]))
except TypeError:
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codeinthehole/django-cacheback | cacheback/base.py | Job.hash | def hash(self, value):
"""
Generate a hash of the given iterable.
This is for use in a cache key.
"""
if is_iterable(value):
value = tuple(to_bytestring(v) for v in value)
return hashlib.md5(six.b(':').join(value)).hexdigest() | python | def hash(self, value):
"""
Generate a hash of the given iterable.
This is for use in a cache key.
"""
if is_iterable(value):
value = tuple(to_bytestring(v) for v in value)
return hashlib.md5(six.b(':').join(value)).hexdigest() | [
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codeinthehole/django-cacheback | cacheback/base.py | Job.perform_async_refresh | def perform_async_refresh(cls, klass_str, obj_args, obj_kwargs, call_args, call_kwargs):
"""
Re-populate cache using the given job class.
The job class is instantiated with the passed constructor args and the
refresh method is called with the passed call args. That is::
data = klass(*obj_args, **obj_kwargs).refresh(
*call_args, **call_kwargs)
:klass_str: String repr of class (eg 'apps.twitter.jobs.FetchTweetsJob')
:obj_args: Constructor args
:obj_kwargs: Constructor kwargs
:call_args: Refresh args
:call_kwargs: Refresh kwargs
"""
klass = get_job_class(klass_str)
if klass is None:
logger.error("Unable to construct %s with args %r and kwargs %r",
klass_str, obj_args, obj_kwargs)
return
logger.info("Using %s with constructor args %r and kwargs %r",
klass_str, obj_args, obj_kwargs)
logger.info("Calling refresh with args %r and kwargs %r", call_args,
call_kwargs)
start = time.time()
try:
klass(*obj_args, **obj_kwargs).refresh(
*call_args, **call_kwargs)
except Exception as e:
logger.exception("Error running job: '%s'", e)
else:
duration = time.time() - start
logger.info("Refreshed cache in %.6f seconds", duration) | python | def perform_async_refresh(cls, klass_str, obj_args, obj_kwargs, call_args, call_kwargs):
"""
Re-populate cache using the given job class.
The job class is instantiated with the passed constructor args and the
refresh method is called with the passed call args. That is::
data = klass(*obj_args, **obj_kwargs).refresh(
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:obj_args: Constructor args
:obj_kwargs: Constructor kwargs
:call_args: Refresh args
:call_kwargs: Refresh kwargs
"""
klass = get_job_class(klass_str)
if klass is None:
logger.error("Unable to construct %s with args %r and kwargs %r",
klass_str, obj_args, obj_kwargs)
return
logger.info("Using %s with constructor args %r and kwargs %r",
klass_str, obj_args, obj_kwargs)
logger.info("Calling refresh with args %r and kwargs %r", call_args,
call_kwargs)
start = time.time()
try:
klass(*obj_args, **obj_kwargs).refresh(
*call_args, **call_kwargs)
except Exception as e:
logger.exception("Error running job: '%s'", e)
else:
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logger.info("Refreshed cache in %.6f seconds", duration) | [
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codeinthehole/django-cacheback | cacheback/decorators.py | cacheback | def cacheback(lifetime=None, fetch_on_miss=None, cache_alias=None,
job_class=None, task_options=None, **job_class_kwargs):
"""
Decorate function to cache its return value.
:lifetime: How long to cache items for
:fetch_on_miss: Whether to perform a synchronous fetch when no cached
result is found
:cache_alias: The Django cache alias to store the result into.
:job_class: The class to use for running the cache refresh job. Defaults
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:job_class_kwargs: Any extra kwargs to pass to job_class constructor.
Useful with custom job_class implementations.
"""
if job_class is None:
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job = job_class(lifetime=lifetime, fetch_on_miss=fetch_on_miss,
cache_alias=cache_alias, task_options=task_options,
**job_class_kwargs)
def _wrapper(fn):
# using available_attrs to work around http://bugs.python.org/issue3445
@wraps(fn, assigned=available_attrs(fn))
def __wrapper(*args, **kwargs):
return job.get(fn, *args, **kwargs)
# Assign reference to unwrapped function so that we can access it
# later without descending into infinite regress.
__wrapper.fn = fn
# Assign reference to job so we can use the full Job API
__wrapper.job = job
return __wrapper
return _wrapper | python | def cacheback(lifetime=None, fetch_on_miss=None, cache_alias=None,
job_class=None, task_options=None, **job_class_kwargs):
"""
Decorate function to cache its return value.
:lifetime: How long to cache items for
:fetch_on_miss: Whether to perform a synchronous fetch when no cached
result is found
:cache_alias: The Django cache alias to store the result into.
:job_class: The class to use for running the cache refresh job. Defaults
using the FunctionJob.
:job_class_kwargs: Any extra kwargs to pass to job_class constructor.
Useful with custom job_class implementations.
"""
if job_class is None:
job_class = FunctionJob
job = job_class(lifetime=lifetime, fetch_on_miss=fetch_on_miss,
cache_alias=cache_alias, task_options=task_options,
**job_class_kwargs)
def _wrapper(fn):
# using available_attrs to work around http://bugs.python.org/issue3445
@wraps(fn, assigned=available_attrs(fn))
def __wrapper(*args, **kwargs):
return job.get(fn, *args, **kwargs)
# Assign reference to unwrapped function so that we can access it
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__wrapper.fn = fn
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return _wrapper | [
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bartromgens/geojsoncontour | geojsoncontour/utilities/multipoly.py | angle | def angle(v1, v2):
"""Return the angle in radians between vectors 'v1' and 'v2'."""
v1_u = unit_vector(v1)
v2_u = unit_vector(v2)
return np.arccos(np.clip(np.dot(v1_u, v2_u), -1.0, 1.0)) | python | def angle(v1, v2):
"""Return the angle in radians between vectors 'v1' and 'v2'."""
v1_u = unit_vector(v1)
v2_u = unit_vector(v2)
return np.arccos(np.clip(np.dot(v1_u, v2_u), -1.0, 1.0)) | [
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bartromgens/geojsoncontour | geojsoncontour/utilities/multipoly.py | keep_high_angle | def keep_high_angle(vertices, min_angle_deg):
"""Keep vertices with angles higher then given minimum."""
accepted = []
v = vertices
v1 = v[1] - v[0]
accepted.append((v[0][0], v[0][1]))
for i in range(1, len(v) - 2):
v2 = v[i + 1] - v[i - 1]
diff_angle = np.fabs(angle(v1, v2) * 180.0 / np.pi)
if diff_angle > min_angle_deg:
accepted.append((v[i][0], v[i][1]))
v1 = v[i] - v[i - 1]
accepted.append((v[-1][0], v[-1][1]))
return np.array(accepted, dtype=vertices.dtype) | python | def keep_high_angle(vertices, min_angle_deg):
"""Keep vertices with angles higher then given minimum."""
accepted = []
v = vertices
v1 = v[1] - v[0]
accepted.append((v[0][0], v[0][1]))
for i in range(1, len(v) - 2):
v2 = v[i + 1] - v[i - 1]
diff_angle = np.fabs(angle(v1, v2) * 180.0 / np.pi)
if diff_angle > min_angle_deg:
accepted.append((v[i][0], v[i][1]))
v1 = v[i] - v[i - 1]
accepted.append((v[-1][0], v[-1][1]))
return np.array(accepted, dtype=vertices.dtype) | [
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bartromgens/geojsoncontour | geojsoncontour/utilities/multipoly.py | set_contourf_properties | def set_contourf_properties(stroke_width, fcolor, fill_opacity, contour_levels, contourf_idx, unit):
"""Set property values for Polygon."""
return {
"stroke": fcolor,
"stroke-width": stroke_width,
"stroke-opacity": 1,
"fill": fcolor,
"fill-opacity": fill_opacity,
"title": "%.2f" % contour_levels[contourf_idx] + ' ' + unit
} | python | def set_contourf_properties(stroke_width, fcolor, fill_opacity, contour_levels, contourf_idx, unit):
"""Set property values for Polygon."""
return {
"stroke": fcolor,
"stroke-width": stroke_width,
"stroke-opacity": 1,
"fill": fcolor,
"fill-opacity": fill_opacity,
"title": "%.2f" % contour_levels[contourf_idx] + ' ' + unit
} | [
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bartromgens/geojsoncontour | geojsoncontour/contour.py | contour_to_geojson | def contour_to_geojson(contour, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, geojson_properties=None, strdump=False,
serialize=True):
"""Transform matplotlib.contour to geojson."""
collections = contour.collections
contour_index = 0
line_features = []
for collection in collections:
color = collection.get_edgecolor()
for path in collection.get_paths():
v = path.vertices
if len(v) < 3:
continue
coordinates = keep_high_angle(v, min_angle_deg)
if ndigits:
coordinates = np.around(coordinates, ndigits)
line = LineString(coordinates.tolist())
properties = {
"stroke-width": stroke_width,
"stroke": rgb2hex(color[0]),
"title": "%.2f" % contour.levels[contour_index] + ' ' + unit,
"level-value": float("%.6f" % contour.levels[contour_index]),
"level-index": contour_index
}
if geojson_properties:
properties.update(geojson_properties)
line_features.append(Feature(geometry=line, properties=properties))
contour_index += 1
feature_collection = FeatureCollection(line_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | python | def contour_to_geojson(contour, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, geojson_properties=None, strdump=False,
serialize=True):
"""Transform matplotlib.contour to geojson."""
collections = contour.collections
contour_index = 0
line_features = []
for collection in collections:
color = collection.get_edgecolor()
for path in collection.get_paths():
v = path.vertices
if len(v) < 3:
continue
coordinates = keep_high_angle(v, min_angle_deg)
if ndigits:
coordinates = np.around(coordinates, ndigits)
line = LineString(coordinates.tolist())
properties = {
"stroke-width": stroke_width,
"stroke": rgb2hex(color[0]),
"title": "%.2f" % contour.levels[contour_index] + ' ' + unit,
"level-value": float("%.6f" % contour.levels[contour_index]),
"level-index": contour_index
}
if geojson_properties:
properties.update(geojson_properties)
line_features.append(Feature(geometry=line, properties=properties))
contour_index += 1
feature_collection = FeatureCollection(line_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | [
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bartromgens/geojsoncontour | geojsoncontour/contour.py | contourf_to_geojson_overlap | def contourf_to_geojson_overlap(contourf, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, fill_opacity=.9,
geojson_properties=None, strdump=False, serialize=True):
"""Transform matplotlib.contourf to geojson with overlapping filled contours."""
polygon_features = []
contourf_idx = 0
for collection in contourf.collections:
color = collection.get_facecolor()
for path in collection.get_paths():
for coord in path.to_polygons():
if min_angle_deg:
coord = keep_high_angle(coord, min_angle_deg)
coord = np.around(coord, ndigits) if ndigits else coord
polygon = Polygon(coordinates=[coord.tolist()])
fcolor = rgb2hex(color[0])
properties = set_contourf_properties(stroke_width, fcolor, fill_opacity, contourf.levels, contourf_idx, unit)
if geojson_properties:
properties.update(geojson_properties)
feature = Feature(geometry=polygon, properties=properties)
polygon_features.append(feature)
contourf_idx += 1
feature_collection = FeatureCollection(polygon_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | python | def contourf_to_geojson_overlap(contourf, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, fill_opacity=.9,
geojson_properties=None, strdump=False, serialize=True):
"""Transform matplotlib.contourf to geojson with overlapping filled contours."""
polygon_features = []
contourf_idx = 0
for collection in contourf.collections:
color = collection.get_facecolor()
for path in collection.get_paths():
for coord in path.to_polygons():
if min_angle_deg:
coord = keep_high_angle(coord, min_angle_deg)
coord = np.around(coord, ndigits) if ndigits else coord
polygon = Polygon(coordinates=[coord.tolist()])
fcolor = rgb2hex(color[0])
properties = set_contourf_properties(stroke_width, fcolor, fill_opacity, contourf.levels, contourf_idx, unit)
if geojson_properties:
properties.update(geojson_properties)
feature = Feature(geometry=polygon, properties=properties)
polygon_features.append(feature)
contourf_idx += 1
feature_collection = FeatureCollection(polygon_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | [
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bartromgens/geojsoncontour | geojsoncontour/contour.py | contourf_to_geojson | def contourf_to_geojson(contourf, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, fill_opacity=.9,
geojson_properties=None, strdump=False, serialize=True):
"""Transform matplotlib.contourf to geojson with MultiPolygons."""
polygon_features = []
mps = []
contourf_idx = 0
for coll in contourf.collections:
color = coll.get_facecolor()
for path in coll.get_paths():
for coord in path.to_polygons():
if min_angle_deg:
coord = keep_high_angle(coord, min_angle_deg)
coord = np.around(coord, ndigits) if ndigits else coord
op = MP(contourf.levels[contourf_idx], rgb2hex(color[0]))
if op in mps:
for i, k in enumerate(mps):
if k == op:
mps[i].add_coords(coord.tolist())
else:
op.add_coords(coord.tolist())
mps.append(op)
contourf_idx += 1
# starting here the multipolys will be extracted
contourf_idx = 0
for muli in mps:
polygon = muli.mpoly()
fcolor = muli.color
properties = set_contourf_properties(stroke_width, fcolor, fill_opacity, contourf.levels, contourf_idx, unit)
if geojson_properties:
properties.update(geojson_properties)
feature = Feature(geometry=polygon, properties=properties)
polygon_features.append(feature)
contourf_idx += 1
feature_collection = FeatureCollection(polygon_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | python | def contourf_to_geojson(contourf, geojson_filepath=None, min_angle_deg=None,
ndigits=5, unit='', stroke_width=1, fill_opacity=.9,
geojson_properties=None, strdump=False, serialize=True):
"""Transform matplotlib.contourf to geojson with MultiPolygons."""
polygon_features = []
mps = []
contourf_idx = 0
for coll in contourf.collections:
color = coll.get_facecolor()
for path in coll.get_paths():
for coord in path.to_polygons():
if min_angle_deg:
coord = keep_high_angle(coord, min_angle_deg)
coord = np.around(coord, ndigits) if ndigits else coord
op = MP(contourf.levels[contourf_idx], rgb2hex(color[0]))
if op in mps:
for i, k in enumerate(mps):
if k == op:
mps[i].add_coords(coord.tolist())
else:
op.add_coords(coord.tolist())
mps.append(op)
contourf_idx += 1
# starting here the multipolys will be extracted
contourf_idx = 0
for muli in mps:
polygon = muli.mpoly()
fcolor = muli.color
properties = set_contourf_properties(stroke_width, fcolor, fill_opacity, contourf.levels, contourf_idx, unit)
if geojson_properties:
properties.update(geojson_properties)
feature = Feature(geometry=polygon, properties=properties)
polygon_features.append(feature)
contourf_idx += 1
feature_collection = FeatureCollection(polygon_features)
return _render_feature_collection(feature_collection, geojson_filepath, strdump, serialize) | [
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mattupstate/flask-social | flask_social/utils.py | get_authorize_callback | def get_authorize_callback(endpoint, provider_id):
"""Get a qualified URL for the provider to return to upon authorization
param: endpoint: Absolute path to append to the application's host
"""
endpoint_prefix = config_value('BLUEPRINT_NAME')
url = url_for(endpoint_prefix + '.' + endpoint, provider_id=provider_id)
return request.url_root[:-1] + url | python | def get_authorize_callback(endpoint, provider_id):
"""Get a qualified URL for the provider to return to upon authorization
param: endpoint: Absolute path to append to the application's host
"""
endpoint_prefix = config_value('BLUEPRINT_NAME')
url = url_for(endpoint_prefix + '.' + endpoint, provider_id=provider_id)
return request.url_root[:-1] + url | [
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mattupstate/flask-social | flask_social/datastore.py | ConnectionDatastore.delete_connection | def delete_connection(self, **kwargs):
"""Remove a single connection to a provider for the specified user."""
conn = self.find_connection(**kwargs)
if not conn:
return False
self.delete(conn)
return True | python | def delete_connection(self, **kwargs):
"""Remove a single connection to a provider for the specified user."""
conn = self.find_connection(**kwargs)
if not conn:
return False
self.delete(conn)
return True | [
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mattupstate/flask-social | flask_social/datastore.py | ConnectionDatastore.delete_connections | def delete_connections(self, **kwargs):
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rv = False
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"""Remove a single connection to a provider for the specified user."""
rv = False
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self.delete(c)
rv = True
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mattupstate/flask-social | flask_social/views.py | login | def login(provider_id):
"""Starts the provider login OAuth flow"""
provider = get_provider_or_404(provider_id)
callback_url = get_authorize_callback('login', provider_id)
post_login = request.form.get('next', get_post_login_redirect())
session[config_value('POST_OAUTH_LOGIN_SESSION_KEY')] = post_login
return provider.authorize(callback_url) | python | def login(provider_id):
"""Starts the provider login OAuth flow"""
provider = get_provider_or_404(provider_id)
callback_url = get_authorize_callback('login', provider_id)
post_login = request.form.get('next', get_post_login_redirect())
session[config_value('POST_OAUTH_LOGIN_SESSION_KEY')] = post_login
return provider.authorize(callback_url) | [
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mattupstate/flask-social | flask_social/views.py | connect | def connect(provider_id):
"""Starts the provider connection OAuth flow"""
provider = get_provider_or_404(provider_id)
callback_url = get_authorize_callback('connect', provider_id)
allow_view = get_url(config_value('CONNECT_ALLOW_VIEW'))
pc = request.form.get('next', allow_view)
session[config_value('POST_OAUTH_CONNECT_SESSION_KEY')] = pc
return provider.authorize(callback_url) | python | def connect(provider_id):
"""Starts the provider connection OAuth flow"""
provider = get_provider_or_404(provider_id)
callback_url = get_authorize_callback('connect', provider_id)
allow_view = get_url(config_value('CONNECT_ALLOW_VIEW'))
pc = request.form.get('next', allow_view)
session[config_value('POST_OAUTH_CONNECT_SESSION_KEY')] = pc
return provider.authorize(callback_url) | [
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mattupstate/flask-social | flask_social/views.py | remove_all_connections | def remove_all_connections(provider_id):
"""Remove all connections for the authenticated user to the
specified provider
"""
provider = get_provider_or_404(provider_id)
ctx = dict(provider=provider.name, user=current_user)
deleted = _datastore.delete_connections(user_id=current_user.get_id(),
provider_id=provider_id)
if deleted:
after_this_request(_commit)
msg = ('All connections to %s removed' % provider.name, 'info')
connection_removed.send(current_app._get_current_object(),
user=current_user._get_current_object(),
provider_id=provider_id)
else:
msg = ('Unable to remove connection to %(provider)s' % ctx, 'error')
do_flash(*msg)
return redirect(request.referrer) | python | def remove_all_connections(provider_id):
"""Remove all connections for the authenticated user to the
specified provider
"""
provider = get_provider_or_404(provider_id)
ctx = dict(provider=provider.name, user=current_user)
deleted = _datastore.delete_connections(user_id=current_user.get_id(),
provider_id=provider_id)
if deleted:
after_this_request(_commit)
msg = ('All connections to %s removed' % provider.name, 'info')
connection_removed.send(current_app._get_current_object(),
user=current_user._get_current_object(),
provider_id=provider_id)
else:
msg = ('Unable to remove connection to %(provider)s' % ctx, 'error')
do_flash(*msg)
return redirect(request.referrer) | [
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mattupstate/flask-social | flask_social/views.py | remove_connection | def remove_connection(provider_id, provider_user_id):
"""Remove a specific connection for the authenticated user to the
specified provider
"""
provider = get_provider_or_404(provider_id)
ctx = dict(provider=provider.name, user=current_user,
provider_user_id=provider_user_id)
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provider_id=provider_id,
provider_user_id=provider_user_id)
if deleted:
after_this_request(_commit)
msg = ('Connection to %(provider)s removed' % ctx, 'info')
connection_removed.send(current_app._get_current_object(),
user=current_user._get_current_object(),
provider_id=provider_id)
else:
msg = ('Unabled to remove connection to %(provider)s' % ctx, 'error')
do_flash(*msg)
return redirect(request.referrer or get_post_login_redirect()) | python | def remove_connection(provider_id, provider_user_id):
"""Remove a specific connection for the authenticated user to the
specified provider
"""
provider = get_provider_or_404(provider_id)
ctx = dict(provider=provider.name, user=current_user,
provider_user_id=provider_user_id)
deleted = _datastore.delete_connection(user_id=current_user.get_id(),
provider_id=provider_id,
provider_user_id=provider_user_id)
if deleted:
after_this_request(_commit)
msg = ('Connection to %(provider)s removed' % ctx, 'info')
connection_removed.send(current_app._get_current_object(),
user=current_user._get_current_object(),
provider_id=provider_id)
else:
msg = ('Unabled to remove connection to %(provider)s' % ctx, 'error')
do_flash(*msg)
return redirect(request.referrer or get_post_login_redirect()) | [
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mattupstate/flask-social | flask_social/views.py | connect_handler | def connect_handler(cv, provider):
"""Shared method to handle the connection process
:param connection_values: A dictionary containing the connection values
:param provider_id: The provider ID the connection shoudl be made to
"""
cv.setdefault('user_id', current_user.get_id())
connection = _datastore.find_connection(
provider_id=cv['provider_id'], provider_user_id=cv['provider_user_id'])
if connection is None:
after_this_request(_commit)
connection = _datastore.create_connection(**cv)
msg = ('Connection established to %s' % provider.name, 'success')
connection_created.send(current_app._get_current_object(),
user=current_user._get_current_object(),
connection=connection)
else:
msg = ('A connection is already established with %s '
'to your account' % provider.name, 'notice')
connection_failed.send(current_app._get_current_object(),
user=current_user._get_current_object())
redirect_url = session.pop(config_value('POST_OAUTH_CONNECT_SESSION_KEY'),
get_url(config_value('CONNECT_ALLOW_VIEW')))
do_flash(*msg)
return redirect(redirect_url) | python | def connect_handler(cv, provider):
"""Shared method to handle the connection process
:param connection_values: A dictionary containing the connection values
:param provider_id: The provider ID the connection shoudl be made to
"""
cv.setdefault('user_id', current_user.get_id())
connection = _datastore.find_connection(
provider_id=cv['provider_id'], provider_user_id=cv['provider_user_id'])
if connection is None:
after_this_request(_commit)
connection = _datastore.create_connection(**cv)
msg = ('Connection established to %s' % provider.name, 'success')
connection_created.send(current_app._get_current_object(),
user=current_user._get_current_object(),
connection=connection)
else:
msg = ('A connection is already established with %s '
'to your account' % provider.name, 'notice')
connection_failed.send(current_app._get_current_object(),
user=current_user._get_current_object())
redirect_url = session.pop(config_value('POST_OAUTH_CONNECT_SESSION_KEY'),
get_url(config_value('CONNECT_ALLOW_VIEW')))
do_flash(*msg)
return redirect(redirect_url) | [
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mattupstate/flask-social | flask_social/views.py | login_handler | def login_handler(response, provider, query):
"""Shared method to handle the signin process"""
connection = _datastore.find_connection(**query)
if connection:
after_this_request(_commit)
token_pair = get_token_pair_from_oauth_response(provider, response)
if (token_pair['access_token'] != connection.access_token or
token_pair['secret'] != connection.secret):
connection.access_token = token_pair['access_token']
connection.secret = token_pair['secret']
_datastore.put(connection)
user = connection.user
login_user(user)
key = _social.post_oauth_login_session_key
redirect_url = session.pop(key, get_post_login_redirect())
login_completed.send(current_app._get_current_object(),
provider=provider, user=user)
return redirect(redirect_url)
login_failed.send(current_app._get_current_object(),
provider=provider,
oauth_response=response)
next = get_url(_security.login_manager.login_view)
msg = '%s account not associated with an existing user' % provider.name
do_flash(msg, 'error')
return redirect(next) | python | def login_handler(response, provider, query):
"""Shared method to handle the signin process"""
connection = _datastore.find_connection(**query)
if connection:
after_this_request(_commit)
token_pair = get_token_pair_from_oauth_response(provider, response)
if (token_pair['access_token'] != connection.access_token or
token_pair['secret'] != connection.secret):
connection.access_token = token_pair['access_token']
connection.secret = token_pair['secret']
_datastore.put(connection)
user = connection.user
login_user(user)
key = _social.post_oauth_login_session_key
redirect_url = session.pop(key, get_post_login_redirect())
login_completed.send(current_app._get_current_object(),
provider=provider, user=user)
return redirect(redirect_url)
login_failed.send(current_app._get_current_object(),
provider=provider,
oauth_response=response)
next = get_url(_security.login_manager.login_view)
msg = '%s account not associated with an existing user' % provider.name
do_flash(msg, 'error')
return redirect(next) | [
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mattupstate/flask-social | flask_social/core.py | Social.init_app | def init_app(self, app, datastore=None):
"""Initialize the application with the Social extension
:param app: The Flask application
:param datastore: Connection datastore instance
"""
datastore = datastore or self.datastore
for key, value in default_config.items():
app.config.setdefault(key, value)
providers = dict()
for key, config in app.config.items():
if not key.startswith('SOCIAL_') or config is None or key in default_config:
continue
suffix = key.lower().replace('social_', '')
default_module_name = 'flask_social.providers.%s' % suffix
module_name = config.get('module', default_module_name)
module = import_module(module_name)
config = update_recursive(module.config, config)
providers[config['id']] = OAuthRemoteApp(**config)
providers[config['id']].tokengetter(_get_token)
state = _get_state(app, datastore, providers)
app.register_blueprint(create_blueprint(state, __name__))
app.extensions['social'] = state
return state | python | def init_app(self, app, datastore=None):
"""Initialize the application with the Social extension
:param app: The Flask application
:param datastore: Connection datastore instance
"""
datastore = datastore or self.datastore
for key, value in default_config.items():
app.config.setdefault(key, value)
providers = dict()
for key, config in app.config.items():
if not key.startswith('SOCIAL_') or config is None or key in default_config:
continue
suffix = key.lower().replace('social_', '')
default_module_name = 'flask_social.providers.%s' % suffix
module_name = config.get('module', default_module_name)
module = import_module(module_name)
config = update_recursive(module.config, config)
providers[config['id']] = OAuthRemoteApp(**config)
providers[config['id']].tokengetter(_get_token)
state = _get_state(app, datastore, providers)
app.register_blueprint(create_blueprint(state, __name__))
app.extensions['social'] = state
return state | [
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eugene-eeo/mailthon | mailthon/helpers.py | guess | def guess(filename, fallback='application/octet-stream'):
"""
Using the mimetypes library, guess the mimetype and
encoding for a given *filename*. If the mimetype
cannot be guessed, *fallback* is assumed instead.
:param filename: Filename- can be absolute path.
:param fallback: A fallback mimetype.
"""
guessed, encoding = mimetypes.guess_type(filename, strict=False)
if guessed is None:
return fallback, encoding
return guessed, encoding | python | def guess(filename, fallback='application/octet-stream'):
"""
Using the mimetypes library, guess the mimetype and
encoding for a given *filename*. If the mimetype
cannot be guessed, *fallback* is assumed instead.
:param filename: Filename- can be absolute path.
:param fallback: A fallback mimetype.
"""
guessed, encoding = mimetypes.guess_type(filename, strict=False)
if guessed is None:
return fallback, encoding
return guessed, encoding | [
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eugene-eeo/mailthon | mailthon/helpers.py | format_addresses | def format_addresses(addrs):
"""
Given an iterable of addresses or name-address
tuples *addrs*, return a header value that joins
all of them together with a space and a comma.
"""
return ', '.join(
formataddr(item) if isinstance(item, tuple) else item
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"""
Given an iterable of addresses or name-address
tuples *addrs*, return a header value that joins
all of them together with a space and a comma.
"""
return ', '.join(
formataddr(item) if isinstance(item, tuple) else item
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eugene-eeo/mailthon | mailthon/helpers.py | stringify_address | def stringify_address(addr, encoding='utf-8'):
"""
Given an email address *addr*, try to encode
it with ASCII. If it's not possible, encode
the *local-part* with the *encoding* and the
*domain* with IDNA.
The result is a unicode string with the domain
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"""
if isinstance(addr, bytes_type):
return addr
try:
addr = addr.encode('ascii')
except UnicodeEncodeError:
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localpart, domain = addr.split('@', 1)
addr = b'@'.join([
localpart.encode(encoding),
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else:
addr = addr.encode(encoding)
return addr.decode('utf-8') | python | def stringify_address(addr, encoding='utf-8'):
"""
Given an email address *addr*, try to encode
it with ASCII. If it's not possible, encode
the *local-part* with the *encoding* and the
*domain* with IDNA.
The result is a unicode string with the domain
encoded as idna.
"""
if isinstance(addr, bytes_type):
return addr
try:
addr = addr.encode('ascii')
except UnicodeEncodeError:
if '@' in addr:
localpart, domain = addr.split('@', 1)
addr = b'@'.join([
localpart.encode(encoding),
domain.encode('idna'),
])
else:
addr = addr.encode(encoding)
return addr.decode('utf-8') | [
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eugene-eeo/mailthon | mailthon/api.py | email | def email(sender=None, receivers=(), cc=(), bcc=(),
subject=None, content=None, encoding='utf8',
attachments=()):
"""
Creates a Collection object with a HTML *content*,
and *attachments*.
:param content: HTML content.
:param encoding: Encoding of the email.
:param attachments: List of filenames to
attach to the email.
"""
enclosure = [HTML(content, encoding)]
enclosure.extend(Attachment(k) for k in attachments)
return Collection(
*enclosure,
headers=[
headers.subject(subject),
headers.sender(sender),
headers.to(*receivers),
headers.cc(*cc),
headers.bcc(*bcc),
headers.date(),
headers.message_id(),
]
) | python | def email(sender=None, receivers=(), cc=(), bcc=(),
subject=None, content=None, encoding='utf8',
attachments=()):
"""
Creates a Collection object with a HTML *content*,
and *attachments*.
:param content: HTML content.
:param encoding: Encoding of the email.
:param attachments: List of filenames to
attach to the email.
"""
enclosure = [HTML(content, encoding)]
enclosure.extend(Attachment(k) for k in attachments)
return Collection(
*enclosure,
headers=[
headers.subject(subject),
headers.sender(sender),
headers.to(*receivers),
headers.cc(*cc),
headers.bcc(*bcc),
headers.date(),
headers.message_id(),
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eugene-eeo/mailthon | mailthon/api.py | postman | def postman(host, port=587, auth=(None, None),
force_tls=False, options=None):
"""
Creates a Postman object with TLS and Auth
middleware. TLS is placed before authentication
because usually authentication happens and is
accepted only after TLS is enabled.
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:param force_tls: Whether TLS should be forced.
:param options: Dictionary of keyword arguments
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"""
return Postman(
host=host,
port=port,
middlewares=[
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middleware.auth(*auth),
],
**options
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force_tls=False, options=None):
"""
Creates a Postman object with TLS and Auth
middleware. TLS is placed before authentication
because usually authentication happens and is
accepted only after TLS is enabled.
:param auth: Tuple of (username, password) to
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:param force_tls: Whether TLS should be forced.
:param options: Dictionary of keyword arguments
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"""
return Postman(
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port=port,
middlewares=[
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middleware.auth(*auth),
],
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eugene-eeo/mailthon | mailthon/enclosure.py | Enclosure.mime | def mime(self):
"""
Returns the finalised mime object, after
applying the internal headers. Usually this
is not to be overriden.
"""
mime = self.mime_object()
self.headers.prepare(mime)
return mime | python | def mime(self):
"""
Returns the finalised mime object, after
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"""
mime = self.mime_object()
self.headers.prepare(mime)
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eugene-eeo/mailthon | mailthon/postman.py | Session.send | def send(self, envelope):
"""
Send an *envelope* which may be an envelope
or an enclosure-like object, see
:class:`~mailthon.enclosure.Enclosure` and
:class:`~mailthon.envelope.Envelope`, and
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"""
rejected = self.conn.sendmail(
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status_code, reason = self.conn.noop()
return SendmailResponse(
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reason,
rejected,
) | python | def send(self, envelope):
"""
Send an *envelope* which may be an envelope
or an enclosure-like object, see
:class:`~mailthon.enclosure.Enclosure` and
:class:`~mailthon.envelope.Envelope`, and
returns a :class:`~mailthon.response.SendmailResponse`
object.
"""
rejected = self.conn.sendmail(
stringify_address(envelope.sender),
[stringify_address(k) for k in envelope.receivers],
envelope.string(),
)
status_code, reason = self.conn.noop()
return SendmailResponse(
status_code,
reason,
rejected,
) | [
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eugene-eeo/mailthon | mailthon/postman.py | Postman.connection | def connection(self):
"""
A context manager that returns a connection
to the server using some *session*.
"""
conn = self.session(**self.options)
try:
for item in self.middlewares:
item(conn)
yield conn
finally:
conn.teardown() | python | def connection(self):
"""
A context manager that returns a connection
to the server using some *session*.
"""
conn = self.session(**self.options)
try:
for item in self.middlewares:
item(conn)
yield conn
finally:
conn.teardown() | [
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eugene-eeo/mailthon | mailthon/headers.py | Headers.sender | def sender(self):
"""
Returns the sender, respecting the Resent-*
headers. In any case, prefer Sender over From,
meaning that if Sender is present then From is
ignored, as per the RFC.
"""
to_fetch = (
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['Sender', 'From']
)
for item in to_fetch:
if item in self:
_, addr = getaddresses([self[item]])[0]
return addr | python | def sender(self):
"""
Returns the sender, respecting the Resent-*
headers. In any case, prefer Sender over From,
meaning that if Sender is present then From is
ignored, as per the RFC.
"""
to_fetch = (
['Resent-Sender', 'Resent-From'] if self.resent else
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)
for item in to_fetch:
if item in self:
_, addr = getaddresses([self[item]])[0]
return addr | [
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eugene-eeo/mailthon | mailthon/headers.py | Headers.receivers | def receivers(self):
"""
Returns a list of receivers, obtained from the
To, Cc, and Bcc headers, respecting the Resent-*
headers if the email was resent.
"""
attrs = (
['Resent-To', 'Resent-Cc', 'Resent-Bcc'] if self.resent else
['To', 'Cc', 'Bcc']
)
addrs = (v for v in (self.get(k) for k in attrs) if v)
return [addr for _, addr in getaddresses(addrs)] | python | def receivers(self):
"""
Returns a list of receivers, obtained from the
To, Cc, and Bcc headers, respecting the Resent-*
headers if the email was resent.
"""
attrs = (
['Resent-To', 'Resent-Cc', 'Resent-Bcc'] if self.resent else
['To', 'Cc', 'Bcc']
)
addrs = (v for v in (self.get(k) for k in attrs) if v)
return [addr for _, addr in getaddresses(addrs)] | [
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eugene-eeo/mailthon | mailthon/headers.py | Headers.prepare | def prepare(self, mime):
"""
Prepares a MIME object by applying the headers
to the *mime* object. Ignores any Bcc or
Resent-Bcc headers.
"""
for key in self:
if key == 'Bcc' or key == 'Resent-Bcc':
continue
del mime[key]
# Python 3.* email's compatibility layer will handle
# unicode field values in proper way but Python 2
# won't (it will encode not only additional field
# values but also all header values)
parsed_header, additional_fields = parse_header(
self[key] if IS_PY3 else
self[key].encode("utf-8")
)
mime.add_header(key, parsed_header, **additional_fields) | python | def prepare(self, mime):
"""
Prepares a MIME object by applying the headers
to the *mime* object. Ignores any Bcc or
Resent-Bcc headers.
"""
for key in self:
if key == 'Bcc' or key == 'Resent-Bcc':
continue
del mime[key]
# Python 3.* email's compatibility layer will handle
# unicode field values in proper way but Python 2
# won't (it will encode not only additional field
# values but also all header values)
parsed_header, additional_fields = parse_header(
self[key] if IS_PY3 else
self[key].encode("utf-8")
)
mime.add_header(key, parsed_header, **additional_fields) | [
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eugene-eeo/mailthon | mailthon/middleware.py | tls | def tls(force=False):
"""
Middleware implementing TLS for SMTP connections. By
default this is not forced- TLS is only used if
STARTTLS is available. If the *force* parameter is set
to True, it will not query the server for TLS features
before upgrading to TLS.
"""
def middleware(conn):
if force or conn.has_extn('STARTTLS'):
conn.starttls()
conn.ehlo()
return middleware | python | def tls(force=False):
"""
Middleware implementing TLS for SMTP connections. By
default this is not forced- TLS is only used if
STARTTLS is available. If the *force* parameter is set
to True, it will not query the server for TLS features
before upgrading to TLS.
"""
def middleware(conn):
if force or conn.has_extn('STARTTLS'):
conn.starttls()
conn.ehlo()
return middleware | [
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eugene-eeo/mailthon | mailthon/middleware.py | auth | def auth(username, password):
"""
Middleware implementing authentication via LOGIN.
Most of the time this middleware needs to be placed
*after* TLS.
:param username: Username to login with.
:param password: Password of the user.
"""
def middleware(conn):
conn.login(username, password)
return middleware | python | def auth(username, password):
"""
Middleware implementing authentication via LOGIN.
Most of the time this middleware needs to be placed
*after* TLS.
:param username: Username to login with.
:param password: Password of the user.
"""
def middleware(conn):
conn.login(username, password)
return middleware | [
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ramses-tech/ramses | ramses/models.py | get_existing_model | def get_existing_model(model_name):
""" Try to find existing model class named `model_name`.
:param model_name: String name of the model class.
"""
try:
model_cls = engine.get_document_cls(model_name)
log.debug('Model `{}` already exists. Using existing one'.format(
model_name))
return model_cls
except ValueError:
log.debug('Model `{}` does not exist'.format(model_name)) | python | def get_existing_model(model_name):
""" Try to find existing model class named `model_name`.
:param model_name: String name of the model class.
"""
try:
model_cls = engine.get_document_cls(model_name)
log.debug('Model `{}` already exists. Using existing one'.format(
model_name))
return model_cls
except ValueError:
log.debug('Model `{}` does not exist'.format(model_name)) | [
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ramses-tech/ramses | ramses/models.py | prepare_relationship | def prepare_relationship(config, model_name, raml_resource):
""" Create referenced model if it doesn't exist.
When preparing a relationship, we check to see if the model that will be
referenced already exists. If not, it is created so that it will be possible
to use it in a relationship. Thus the first usage of this model in RAML file
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:param model_name: Name of model which should be generated.
:param raml_resource: Instance of ramlfications.raml.ResourceNode for
which :model_name: will be defined.
"""
if get_existing_model(model_name) is None:
plural_route = '/' + pluralize(model_name.lower())
route = '/' + model_name.lower()
for res in raml_resource.root.resources:
if res.method.upper() != 'POST':
continue
if res.path.endswith(plural_route) or res.path.endswith(route):
break
else:
raise ValueError('Model `{}` used in relationship is not '
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setup_data_model(config, res, model_name) | python | def prepare_relationship(config, model_name, raml_resource):
""" Create referenced model if it doesn't exist.
When preparing a relationship, we check to see if the model that will be
referenced already exists. If not, it is created so that it will be possible
to use it in a relationship. Thus the first usage of this model in RAML file
must provide its schema in POST method resource body schema.
:param model_name: Name of model which should be generated.
:param raml_resource: Instance of ramlfications.raml.ResourceNode for
which :model_name: will be defined.
"""
if get_existing_model(model_name) is None:
plural_route = '/' + pluralize(model_name.lower())
route = '/' + model_name.lower()
for res in raml_resource.root.resources:
if res.method.upper() != 'POST':
continue
if res.path.endswith(plural_route) or res.path.endswith(route):
break
else:
raise ValueError('Model `{}` used in relationship is not '
'defined'.format(model_name))
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ramses-tech/ramses | ramses/models.py | generate_model_cls | def generate_model_cls(config, schema, model_name, raml_resource,
es_based=True):
""" Generate model class.
Engine DB field types are determined using `type_fields` and only those
types may be used.
:param schema: Model schema dict parsed from RAML.
:param model_name: String that is used as new model's name.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param es_based: Boolean indicating if generated model should be a
subclass of Elasticsearch-based document class or not.
It True, ESBaseDocument is used; BaseDocument is used otherwise.
Defaults to True.
"""
from nefertari.authentication.models import AuthModelMethodsMixin
base_cls = engine.ESBaseDocument if es_based else engine.BaseDocument
model_name = str(model_name)
metaclass = type(base_cls)
auth_model = schema.get('_auth_model', False)
bases = []
if config.registry.database_acls:
from nefertari_guards import engine as guards_engine
bases.append(guards_engine.DocumentACLMixin)
if auth_model:
bases.append(AuthModelMethodsMixin)
bases.append(base_cls)
attrs = {
'__tablename__': model_name.lower(),
'_public_fields': schema.get('_public_fields') or [],
'_auth_fields': schema.get('_auth_fields') or [],
'_hidden_fields': schema.get('_hidden_fields') or [],
'_nested_relationships': schema.get('_nested_relationships') or [],
}
if '_nesting_depth' in schema:
attrs['_nesting_depth'] = schema.get('_nesting_depth')
# Generate fields from properties
properties = schema.get('properties', {})
for field_name, props in properties.items():
if field_name in attrs:
continue
db_settings = props.get('_db_settings')
if db_settings is None:
continue
field_kwargs = db_settings.copy()
field_kwargs['required'] = bool(field_kwargs.get('required'))
for default_attr_key in ('default', 'onupdate'):
value = field_kwargs.get(default_attr_key)
if is_callable_tag(value):
field_kwargs[default_attr_key] = resolve_to_callable(value)
type_name = (
field_kwargs.pop('type', 'string') or 'string').lower()
if type_name not in type_fields:
raise ValueError('Unknown type: {}'.format(type_name))
field_cls = type_fields[type_name]
if field_cls is engine.Relationship:
prepare_relationship(
config, field_kwargs['document'],
raml_resource)
if field_cls is engine.ForeignKeyField:
key = 'ref_column_type'
field_kwargs[key] = type_fields[field_kwargs[key]]
if field_cls is engine.ListField:
key = 'item_type'
field_kwargs[key] = type_fields[field_kwargs[key]]
attrs[field_name] = field_cls(**field_kwargs)
# Update model definition with methods and variables defined in registry
attrs.update(registry.mget(model_name))
# Generate new model class
model_cls = metaclass(model_name, tuple(bases), attrs)
setup_model_event_subscribers(config, model_cls, schema)
setup_fields_processors(config, model_cls, schema)
return model_cls, auth_model | python | def generate_model_cls(config, schema, model_name, raml_resource,
es_based=True):
""" Generate model class.
Engine DB field types are determined using `type_fields` and only those
types may be used.
:param schema: Model schema dict parsed from RAML.
:param model_name: String that is used as new model's name.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param es_based: Boolean indicating if generated model should be a
subclass of Elasticsearch-based document class or not.
It True, ESBaseDocument is used; BaseDocument is used otherwise.
Defaults to True.
"""
from nefertari.authentication.models import AuthModelMethodsMixin
base_cls = engine.ESBaseDocument if es_based else engine.BaseDocument
model_name = str(model_name)
metaclass = type(base_cls)
auth_model = schema.get('_auth_model', False)
bases = []
if config.registry.database_acls:
from nefertari_guards import engine as guards_engine
bases.append(guards_engine.DocumentACLMixin)
if auth_model:
bases.append(AuthModelMethodsMixin)
bases.append(base_cls)
attrs = {
'__tablename__': model_name.lower(),
'_public_fields': schema.get('_public_fields') or [],
'_auth_fields': schema.get('_auth_fields') or [],
'_hidden_fields': schema.get('_hidden_fields') or [],
'_nested_relationships': schema.get('_nested_relationships') or [],
}
if '_nesting_depth' in schema:
attrs['_nesting_depth'] = schema.get('_nesting_depth')
# Generate fields from properties
properties = schema.get('properties', {})
for field_name, props in properties.items():
if field_name in attrs:
continue
db_settings = props.get('_db_settings')
if db_settings is None:
continue
field_kwargs = db_settings.copy()
field_kwargs['required'] = bool(field_kwargs.get('required'))
for default_attr_key in ('default', 'onupdate'):
value = field_kwargs.get(default_attr_key)
if is_callable_tag(value):
field_kwargs[default_attr_key] = resolve_to_callable(value)
type_name = (
field_kwargs.pop('type', 'string') or 'string').lower()
if type_name not in type_fields:
raise ValueError('Unknown type: {}'.format(type_name))
field_cls = type_fields[type_name]
if field_cls is engine.Relationship:
prepare_relationship(
config, field_kwargs['document'],
raml_resource)
if field_cls is engine.ForeignKeyField:
key = 'ref_column_type'
field_kwargs[key] = type_fields[field_kwargs[key]]
if field_cls is engine.ListField:
key = 'item_type'
field_kwargs[key] = type_fields[field_kwargs[key]]
attrs[field_name] = field_cls(**field_kwargs)
# Update model definition with methods and variables defined in registry
attrs.update(registry.mget(model_name))
# Generate new model class
model_cls = metaclass(model_name, tuple(bases), attrs)
setup_model_event_subscribers(config, model_cls, schema)
setup_fields_processors(config, model_cls, schema)
return model_cls, auth_model | [
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:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param es_based: Boolean indicating if generated model should be a
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ramses-tech/ramses | ramses/models.py | setup_data_model | def setup_data_model(config, raml_resource, model_name):
""" Setup storage/data model and return generated model class.
Process follows these steps:
* Resource schema is found and restructured by `resource_schema`.
* Model class is generated from properties dict using util function
`generate_model_cls`.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param model_name: String representing model name.
"""
model_cls = get_existing_model(model_name)
schema = resource_schema(raml_resource)
if not schema:
raise Exception('Missing schema for model `{}`'.format(model_name))
if model_cls is not None:
return model_cls, schema.get('_auth_model', False)
log.info('Generating model class `{}`'.format(model_name))
return generate_model_cls(
config,
schema=schema,
model_name=model_name,
raml_resource=raml_resource,
) | python | def setup_data_model(config, raml_resource, model_name):
""" Setup storage/data model and return generated model class.
Process follows these steps:
* Resource schema is found and restructured by `resource_schema`.
* Model class is generated from properties dict using util function
`generate_model_cls`.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param model_name: String representing model name.
"""
model_cls = get_existing_model(model_name)
schema = resource_schema(raml_resource)
if not schema:
raise Exception('Missing schema for model `{}`'.format(model_name))
if model_cls is not None:
return model_cls, schema.get('_auth_model', False)
log.info('Generating model class `{}`'.format(model_name))
return generate_model_cls(
config,
schema=schema,
model_name=model_name,
raml_resource=raml_resource,
) | [
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ramses-tech/ramses | ramses/models.py | handle_model_generation | def handle_model_generation(config, raml_resource):
""" Generates model name and runs `setup_data_model` to get
or generate actual model class.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
model_name = generate_model_name(raml_resource)
try:
return setup_data_model(config, raml_resource, model_name)
except ValueError as ex:
raise ValueError('{}: {}'.format(model_name, str(ex))) | python | def handle_model_generation(config, raml_resource):
""" Generates model name and runs `setup_data_model` to get
or generate actual model class.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
model_name = generate_model_name(raml_resource)
try:
return setup_data_model(config, raml_resource, model_name)
except ValueError as ex:
raise ValueError('{}: {}'.format(model_name, str(ex))) | [
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ramses-tech/ramses | ramses/models.py | setup_model_event_subscribers | def setup_model_event_subscribers(config, model_cls, schema):
""" Set up model event subscribers.
:param config: Pyramid Configurator instance.
:param model_cls: Model class for which handlers should be connected.
:param schema: Dict of model JSON schema.
"""
events_map = get_events_map()
model_events = schema.get('_event_handlers', {})
event_kwargs = {'model': model_cls}
for event_tag, subscribers in model_events.items():
type_, action = event_tag.split('_')
event_objects = events_map[type_][action]
if not isinstance(event_objects, list):
event_objects = [event_objects]
for sub_name in subscribers:
sub_func = resolve_to_callable(sub_name)
config.subscribe_to_events(
sub_func, event_objects, **event_kwargs) | python | def setup_model_event_subscribers(config, model_cls, schema):
""" Set up model event subscribers.
:param config: Pyramid Configurator instance.
:param model_cls: Model class for which handlers should be connected.
:param schema: Dict of model JSON schema.
"""
events_map = get_events_map()
model_events = schema.get('_event_handlers', {})
event_kwargs = {'model': model_cls}
for event_tag, subscribers in model_events.items():
type_, action = event_tag.split('_')
event_objects = events_map[type_][action]
if not isinstance(event_objects, list):
event_objects = [event_objects]
for sub_name in subscribers:
sub_func = resolve_to_callable(sub_name)
config.subscribe_to_events(
sub_func, event_objects, **event_kwargs) | [
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ramses-tech/ramses | ramses/models.py | setup_fields_processors | def setup_fields_processors(config, model_cls, schema):
""" Set up model fields' processors.
:param config: Pyramid Configurator instance.
:param model_cls: Model class for field of which processors should be
set up.
:param schema: Dict of model JSON schema.
"""
properties = schema.get('properties', {})
for field_name, props in properties.items():
if not props:
continue
processors = props.get('_processors')
backref_processors = props.get('_backref_processors')
if processors:
processors = [resolve_to_callable(val) for val in processors]
setup_kwargs = {'model': model_cls, 'field': field_name}
config.add_field_processors(processors, **setup_kwargs)
if backref_processors:
db_settings = props.get('_db_settings', {})
is_relationship = db_settings.get('type') == 'relationship'
document = db_settings.get('document')
backref_name = db_settings.get('backref_name')
if not (is_relationship and document and backref_name):
continue
backref_processors = [
resolve_to_callable(val) for val in backref_processors]
setup_kwargs = {
'model': engine.get_document_cls(document),
'field': backref_name
}
config.add_field_processors(
backref_processors, **setup_kwargs) | python | def setup_fields_processors(config, model_cls, schema):
""" Set up model fields' processors.
:param config: Pyramid Configurator instance.
:param model_cls: Model class for field of which processors should be
set up.
:param schema: Dict of model JSON schema.
"""
properties = schema.get('properties', {})
for field_name, props in properties.items():
if not props:
continue
processors = props.get('_processors')
backref_processors = props.get('_backref_processors')
if processors:
processors = [resolve_to_callable(val) for val in processors]
setup_kwargs = {'model': model_cls, 'field': field_name}
config.add_field_processors(processors, **setup_kwargs)
if backref_processors:
db_settings = props.get('_db_settings', {})
is_relationship = db_settings.get('type') == 'relationship'
document = db_settings.get('document')
backref_name = db_settings.get('backref_name')
if not (is_relationship and document and backref_name):
continue
backref_processors = [
resolve_to_callable(val) for val in backref_processors]
setup_kwargs = {
'model': engine.get_document_cls(document),
'field': backref_name
}
config.add_field_processors(
backref_processors, **setup_kwargs) | [
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ramses-tech/ramses | ramses/auth.py | _setup_ticket_policy | def _setup_ticket_policy(config, params):
""" Setup Pyramid AuthTktAuthenticationPolicy.
Notes:
* Initial `secret` params value is considered to be a name of config
param that represents a cookie name.
* `auth_model.get_groups_by_userid` is used as a `callback`.
* Also connects basic routes to perform authentication actions.
:param config: Pyramid Configurator instance.
:param params: Nefertari dictset which contains security scheme
`settings`.
"""
from nefertari.authentication.views import (
TicketAuthRegisterView, TicketAuthLoginView,
TicketAuthLogoutView)
log.info('Configuring Pyramid Ticket Authn policy')
if 'secret' not in params:
raise ValueError(
'Missing required security scheme settings: secret')
params['secret'] = config.registry.settings[params['secret']]
auth_model = config.registry.auth_model
params['callback'] = auth_model.get_groups_by_userid
config.add_request_method(
auth_model.get_authuser_by_userid, 'user', reify=True)
policy = AuthTktAuthenticationPolicy(**params)
RegisterViewBase = TicketAuthRegisterView
if config.registry.database_acls:
class RegisterViewBase(ACLAssignRegisterMixin,
TicketAuthRegisterView):
pass
class RamsesTicketAuthRegisterView(RegisterViewBase):
Model = config.registry.auth_model
class RamsesTicketAuthLoginView(TicketAuthLoginView):
Model = config.registry.auth_model
class RamsesTicketAuthLogoutView(TicketAuthLogoutView):
Model = config.registry.auth_model
common_kw = {
'prefix': 'auth',
'factory': 'nefertari.acl.AuthenticationACL',
}
root = config.get_root_resource()
root.add('register', view=RamsesTicketAuthRegisterView, **common_kw)
root.add('login', view=RamsesTicketAuthLoginView, **common_kw)
root.add('logout', view=RamsesTicketAuthLogoutView, **common_kw)
return policy | python | def _setup_ticket_policy(config, params):
""" Setup Pyramid AuthTktAuthenticationPolicy.
Notes:
* Initial `secret` params value is considered to be a name of config
param that represents a cookie name.
* `auth_model.get_groups_by_userid` is used as a `callback`.
* Also connects basic routes to perform authentication actions.
:param config: Pyramid Configurator instance.
:param params: Nefertari dictset which contains security scheme
`settings`.
"""
from nefertari.authentication.views import (
TicketAuthRegisterView, TicketAuthLoginView,
TicketAuthLogoutView)
log.info('Configuring Pyramid Ticket Authn policy')
if 'secret' not in params:
raise ValueError(
'Missing required security scheme settings: secret')
params['secret'] = config.registry.settings[params['secret']]
auth_model = config.registry.auth_model
params['callback'] = auth_model.get_groups_by_userid
config.add_request_method(
auth_model.get_authuser_by_userid, 'user', reify=True)
policy = AuthTktAuthenticationPolicy(**params)
RegisterViewBase = TicketAuthRegisterView
if config.registry.database_acls:
class RegisterViewBase(ACLAssignRegisterMixin,
TicketAuthRegisterView):
pass
class RamsesTicketAuthRegisterView(RegisterViewBase):
Model = config.registry.auth_model
class RamsesTicketAuthLoginView(TicketAuthLoginView):
Model = config.registry.auth_model
class RamsesTicketAuthLogoutView(TicketAuthLogoutView):
Model = config.registry.auth_model
common_kw = {
'prefix': 'auth',
'factory': 'nefertari.acl.AuthenticationACL',
}
root = config.get_root_resource()
root.add('register', view=RamsesTicketAuthRegisterView, **common_kw)
root.add('login', view=RamsesTicketAuthLoginView, **common_kw)
root.add('logout', view=RamsesTicketAuthLogoutView, **common_kw)
return policy | [
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* `auth_model.get_groups_by_userid` is used as a `callback`.
* Also connects basic routes to perform authentication actions.
:param config: Pyramid Configurator instance.
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ramses-tech/ramses | ramses/auth.py | _setup_apikey_policy | def _setup_apikey_policy(config, params):
""" Setup `nefertari.ApiKeyAuthenticationPolicy`.
Notes:
* User may provide model name in :params['user_model']: do define
the name of the user model.
* `auth_model.get_groups_by_token` is used to perform username and
token check
* `auth_model.get_token_credentials` is used to get username and
token from userid
* Also connects basic routes to perform authentication actions.
Arguments:
:config: Pyramid Configurator instance.
:params: Nefertari dictset which contains security scheme `settings`.
"""
from nefertari.authentication.views import (
TokenAuthRegisterView, TokenAuthClaimView,
TokenAuthResetView)
log.info('Configuring ApiKey Authn policy')
auth_model = config.registry.auth_model
params['check'] = auth_model.get_groups_by_token
params['credentials_callback'] = auth_model.get_token_credentials
params['user_model'] = auth_model
config.add_request_method(
auth_model.get_authuser_by_name, 'user', reify=True)
policy = ApiKeyAuthenticationPolicy(**params)
RegisterViewBase = TokenAuthRegisterView
if config.registry.database_acls:
class RegisterViewBase(ACLAssignRegisterMixin,
TokenAuthRegisterView):
pass
class RamsesTokenAuthRegisterView(RegisterViewBase):
Model = auth_model
class RamsesTokenAuthClaimView(TokenAuthClaimView):
Model = auth_model
class RamsesTokenAuthResetView(TokenAuthResetView):
Model = auth_model
common_kw = {
'prefix': 'auth',
'factory': 'nefertari.acl.AuthenticationACL',
}
root = config.get_root_resource()
root.add('register', view=RamsesTokenAuthRegisterView, **common_kw)
root.add('token', view=RamsesTokenAuthClaimView, **common_kw)
root.add('reset_token', view=RamsesTokenAuthResetView, **common_kw)
return policy | python | def _setup_apikey_policy(config, params):
""" Setup `nefertari.ApiKeyAuthenticationPolicy`.
Notes:
* User may provide model name in :params['user_model']: do define
the name of the user model.
* `auth_model.get_groups_by_token` is used to perform username and
token check
* `auth_model.get_token_credentials` is used to get username and
token from userid
* Also connects basic routes to perform authentication actions.
Arguments:
:config: Pyramid Configurator instance.
:params: Nefertari dictset which contains security scheme `settings`.
"""
from nefertari.authentication.views import (
TokenAuthRegisterView, TokenAuthClaimView,
TokenAuthResetView)
log.info('Configuring ApiKey Authn policy')
auth_model = config.registry.auth_model
params['check'] = auth_model.get_groups_by_token
params['credentials_callback'] = auth_model.get_token_credentials
params['user_model'] = auth_model
config.add_request_method(
auth_model.get_authuser_by_name, 'user', reify=True)
policy = ApiKeyAuthenticationPolicy(**params)
RegisterViewBase = TokenAuthRegisterView
if config.registry.database_acls:
class RegisterViewBase(ACLAssignRegisterMixin,
TokenAuthRegisterView):
pass
class RamsesTokenAuthRegisterView(RegisterViewBase):
Model = auth_model
class RamsesTokenAuthClaimView(TokenAuthClaimView):
Model = auth_model
class RamsesTokenAuthResetView(TokenAuthResetView):
Model = auth_model
common_kw = {
'prefix': 'auth',
'factory': 'nefertari.acl.AuthenticationACL',
}
root = config.get_root_resource()
root.add('register', view=RamsesTokenAuthRegisterView, **common_kw)
root.add('token', view=RamsesTokenAuthClaimView, **common_kw)
root.add('reset_token', view=RamsesTokenAuthResetView, **common_kw)
return policy | [
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ramses-tech/ramses | ramses/auth.py | setup_auth_policies | def setup_auth_policies(config, raml_root):
""" Setup authentication, authorization policies.
Performs basic validation to check all the required values are present
and performs authentication, authorization policies generation using
generator functions from `AUTHENTICATION_POLICIES`.
:param config: Pyramid Configurator instance.
:param raml_root: Instance of ramlfications.raml.RootNode.
"""
log.info('Configuring auth policies')
secured_by_all = raml_root.secured_by or []
secured_by = [item for item in secured_by_all if item]
if not secured_by:
log.info('API is not secured. `secured_by` attribute '
'value missing.')
return
secured_by = secured_by[0]
schemes = {scheme.name: scheme
for scheme in raml_root.security_schemes}
if secured_by not in schemes:
raise ValueError(
'Undefined security scheme used in `secured_by`: {}'.format(
secured_by))
scheme = schemes[secured_by]
if scheme.type not in AUTHENTICATION_POLICIES:
raise ValueError('Unsupported security scheme type: {}'.format(
scheme.type))
# Setup Authentication policy
policy_generator = AUTHENTICATION_POLICIES[scheme.type]
params = dictset(scheme.settings or {})
authn_policy = policy_generator(config, params)
config.set_authentication_policy(authn_policy)
# Setup Authorization policy
authz_policy = ACLAuthorizationPolicy()
config.set_authorization_policy(authz_policy) | python | def setup_auth_policies(config, raml_root):
""" Setup authentication, authorization policies.
Performs basic validation to check all the required values are present
and performs authentication, authorization policies generation using
generator functions from `AUTHENTICATION_POLICIES`.
:param config: Pyramid Configurator instance.
:param raml_root: Instance of ramlfications.raml.RootNode.
"""
log.info('Configuring auth policies')
secured_by_all = raml_root.secured_by or []
secured_by = [item for item in secured_by_all if item]
if not secured_by:
log.info('API is not secured. `secured_by` attribute '
'value missing.')
return
secured_by = secured_by[0]
schemes = {scheme.name: scheme
for scheme in raml_root.security_schemes}
if secured_by not in schemes:
raise ValueError(
'Undefined security scheme used in `secured_by`: {}'.format(
secured_by))
scheme = schemes[secured_by]
if scheme.type not in AUTHENTICATION_POLICIES:
raise ValueError('Unsupported security scheme type: {}'.format(
scheme.type))
# Setup Authentication policy
policy_generator = AUTHENTICATION_POLICIES[scheme.type]
params = dictset(scheme.settings or {})
authn_policy = policy_generator(config, params)
config.set_authentication_policy(authn_policy)
# Setup Authorization policy
authz_policy = ACLAuthorizationPolicy()
config.set_authorization_policy(authz_policy) | [
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ramses-tech/ramses | ramses/auth.py | get_authuser_model | def get_authuser_model():
""" Define and return AuthUser model using nefertari base classes """
from nefertari.authentication.models import AuthUserMixin
from nefertari import engine
class AuthUser(AuthUserMixin, engine.BaseDocument):
__tablename__ = 'ramses_authuser'
return AuthUser | python | def get_authuser_model():
""" Define and return AuthUser model using nefertari base classes """
from nefertari.authentication.models import AuthUserMixin
from nefertari import engine
class AuthUser(AuthUserMixin, engine.BaseDocument):
__tablename__ = 'ramses_authuser'
return AuthUser | [
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ramses-tech/ramses | ramses/acl.py | validate_permissions | def validate_permissions(perms):
""" Validate :perms: contains valid permissions.
:param perms: List of permission names or ALL_PERMISSIONS.
"""
if not isinstance(perms, (list, tuple)):
perms = [perms]
valid_perms = set(PERMISSIONS.values())
if ALL_PERMISSIONS in perms:
return perms
if set(perms) - valid_perms:
raise ValueError(
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return perms | python | def validate_permissions(perms):
""" Validate :perms: contains valid permissions.
:param perms: List of permission names or ALL_PERMISSIONS.
"""
if not isinstance(perms, (list, tuple)):
perms = [perms]
valid_perms = set(PERMISSIONS.values())
if ALL_PERMISSIONS in perms:
return perms
if set(perms) - valid_perms:
raise ValueError(
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return perms | [
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ramses-tech/ramses | ramses/acl.py | parse_permissions | def parse_permissions(perms):
""" Parse permissions ("perms") which are either exact permission
names or the keyword 'all'.
:param perms: List or comma-separated string of nefertari permission
names, or 'all'
"""
if isinstance(perms, six.string_types):
perms = perms.split(',')
perms = [perm.strip().lower() for perm in perms]
if 'all' in perms:
return ALL_PERMISSIONS
return validate_permissions(perms) | python | def parse_permissions(perms):
""" Parse permissions ("perms") which are either exact permission
names or the keyword 'all'.
:param perms: List or comma-separated string of nefertari permission
names, or 'all'
"""
if isinstance(perms, six.string_types):
perms = perms.split(',')
perms = [perm.strip().lower() for perm in perms]
if 'all' in perms:
return ALL_PERMISSIONS
return validate_permissions(perms) | [
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ramses-tech/ramses | ramses/acl.py | parse_acl | def parse_acl(acl_string):
""" Parse raw string :acl_string: of RAML-defined ACLs.
If :acl_string: is blank or None, all permissions are given.
Values of ACL action and principal are parsed using `actions` and
`special_principals` maps and are looked up after `strip()` and
`lower()`.
ACEs in :acl_string: may be separated by newlines or semicolons.
Action, principal and permission lists must be separated by spaces.
Permissions must be comma-separated.
E.g. 'allow everyone view,create,update' and 'deny authenticated delete'
:param acl_string: Raw RAML string containing defined ACEs.
"""
if not acl_string:
return [ALLOW_ALL]
aces_list = acl_string.replace('\n', ';').split(';')
aces_list = [ace.strip().split(' ', 2) for ace in aces_list if ace]
aces_list = [(a, b, c.split(',')) for a, b, c in aces_list]
result_acl = []
for action_str, princ_str, perms in aces_list:
# Process action
action_str = action_str.strip().lower()
action = actions.get(action_str)
if action is None:
raise ValueError(
'Unknown ACL action: {}. Valid actions: {}'.format(
action_str, list(actions.keys())))
# Process principal
princ_str = princ_str.strip().lower()
if princ_str in special_principals:
principal = special_principals[princ_str]
elif is_callable_tag(princ_str):
principal = resolve_to_callable(princ_str)
else:
principal = princ_str
# Process permissions
permissions = parse_permissions(perms)
result_acl.append((action, principal, permissions))
return result_acl | python | def parse_acl(acl_string):
""" Parse raw string :acl_string: of RAML-defined ACLs.
If :acl_string: is blank or None, all permissions are given.
Values of ACL action and principal are parsed using `actions` and
`special_principals` maps and are looked up after `strip()` and
`lower()`.
ACEs in :acl_string: may be separated by newlines or semicolons.
Action, principal and permission lists must be separated by spaces.
Permissions must be comma-separated.
E.g. 'allow everyone view,create,update' and 'deny authenticated delete'
:param acl_string: Raw RAML string containing defined ACEs.
"""
if not acl_string:
return [ALLOW_ALL]
aces_list = acl_string.replace('\n', ';').split(';')
aces_list = [ace.strip().split(' ', 2) for ace in aces_list if ace]
aces_list = [(a, b, c.split(',')) for a, b, c in aces_list]
result_acl = []
for action_str, princ_str, perms in aces_list:
# Process action
action_str = action_str.strip().lower()
action = actions.get(action_str)
if action is None:
raise ValueError(
'Unknown ACL action: {}. Valid actions: {}'.format(
action_str, list(actions.keys())))
# Process principal
princ_str = princ_str.strip().lower()
if princ_str in special_principals:
principal = special_principals[princ_str]
elif is_callable_tag(princ_str):
principal = resolve_to_callable(princ_str)
else:
principal = princ_str
# Process permissions
permissions = parse_permissions(perms)
result_acl.append((action, principal, permissions))
return result_acl | [
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ACEs in :acl_string: may be separated by newlines or semicolons.
Action, principal and permission lists must be separated by spaces.
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ramses-tech/ramses | ramses/acl.py | generate_acl | def generate_acl(config, model_cls, raml_resource, es_based=True):
""" Generate an ACL.
Generated ACL class has a `item_model` attribute set to
:model_cls:.
ACLs used for collection and item access control are generated from a
first security scheme with type `x-ACL`.
If :raml_resource: has no x-ACL security schemes defined then ALLOW_ALL
ACL is used.
If the `collection` or `item` settings are empty, then ALLOW_ALL ACL
is used.
:param model_cls: Generated model class
:param raml_resource: Instance of ramlfications.raml.ResourceNode
for which ACL is being generated
:param es_based: Boolean inidicating whether ACL should query ES or
not when getting an object
"""
schemes = raml_resource.security_schemes or []
schemes = [sch for sch in schemes if sch.type == 'x-ACL']
if not schemes:
collection_acl = item_acl = []
log.debug('No ACL scheme applied. Using ACL: {}'.format(item_acl))
else:
sec_scheme = schemes[0]
log.debug('{} ACL scheme applied'.format(sec_scheme.name))
settings = sec_scheme.settings or {}
collection_acl = parse_acl(acl_string=settings.get('collection'))
item_acl = parse_acl(acl_string=settings.get('item'))
class GeneratedACLBase(object):
item_model = model_cls
def __init__(self, request, es_based=es_based):
super(GeneratedACLBase, self).__init__(request=request)
self.es_based = es_based
self._collection_acl = collection_acl
self._item_acl = item_acl
bases = [GeneratedACLBase]
if config.registry.database_acls:
from nefertari_guards.acl import DatabaseACLMixin as GuardsMixin
bases += [DatabaseACLMixin, GuardsMixin]
bases.append(BaseACL)
return type('GeneratedACL', tuple(bases), {}) | python | def generate_acl(config, model_cls, raml_resource, es_based=True):
""" Generate an ACL.
Generated ACL class has a `item_model` attribute set to
:model_cls:.
ACLs used for collection and item access control are generated from a
first security scheme with type `x-ACL`.
If :raml_resource: has no x-ACL security schemes defined then ALLOW_ALL
ACL is used.
If the `collection` or `item` settings are empty, then ALLOW_ALL ACL
is used.
:param model_cls: Generated model class
:param raml_resource: Instance of ramlfications.raml.ResourceNode
for which ACL is being generated
:param es_based: Boolean inidicating whether ACL should query ES or
not when getting an object
"""
schemes = raml_resource.security_schemes or []
schemes = [sch for sch in schemes if sch.type == 'x-ACL']
if not schemes:
collection_acl = item_acl = []
log.debug('No ACL scheme applied. Using ACL: {}'.format(item_acl))
else:
sec_scheme = schemes[0]
log.debug('{} ACL scheme applied'.format(sec_scheme.name))
settings = sec_scheme.settings or {}
collection_acl = parse_acl(acl_string=settings.get('collection'))
item_acl = parse_acl(acl_string=settings.get('item'))
class GeneratedACLBase(object):
item_model = model_cls
def __init__(self, request, es_based=es_based):
super(GeneratedACLBase, self).__init__(request=request)
self.es_based = es_based
self._collection_acl = collection_acl
self._item_acl = item_acl
bases = [GeneratedACLBase]
if config.registry.database_acls:
from nefertari_guards.acl import DatabaseACLMixin as GuardsMixin
bases += [DatabaseACLMixin, GuardsMixin]
bases.append(BaseACL)
return type('GeneratedACL', tuple(bases), {}) | [
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:param model_cls: Generated model class
:param raml_resource: Instance of ramlfications.raml.ResourceNode
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ramses-tech/ramses | ramses/acl.py | BaseACL._apply_callables | def _apply_callables(self, acl, obj=None):
""" Iterate over ACEs from :acl: and apply callable principals
if any.
Principals are passed 3 arguments on call:
:ace: Single ACE object that looks like (action, callable,
permission or [permission])
:request: Current request object
:obj: Object instance to be accessed via the ACL
Principals must return a single ACE or a list of ACEs.
:param acl: Sequence of valid Pyramid ACEs which will be processed
:param obj: Object to be accessed via the ACL
"""
new_acl = []
for i, ace in enumerate(acl):
principal = ace[1]
if six.callable(principal):
ace = principal(ace=ace, request=self.request, obj=obj)
if not ace:
continue
if not isinstance(ace[0], (list, tuple)):
ace = [ace]
ace = [(a, b, validate_permissions(c)) for a, b, c in ace]
else:
ace = [ace]
new_acl += ace
return tuple(new_acl) | python | def _apply_callables(self, acl, obj=None):
""" Iterate over ACEs from :acl: and apply callable principals
if any.
Principals are passed 3 arguments on call:
:ace: Single ACE object that looks like (action, callable,
permission or [permission])
:request: Current request object
:obj: Object instance to be accessed via the ACL
Principals must return a single ACE or a list of ACEs.
:param acl: Sequence of valid Pyramid ACEs which will be processed
:param obj: Object to be accessed via the ACL
"""
new_acl = []
for i, ace in enumerate(acl):
principal = ace[1]
if six.callable(principal):
ace = principal(ace=ace, request=self.request, obj=obj)
if not ace:
continue
if not isinstance(ace[0], (list, tuple)):
ace = [ace]
ace = [(a, b, validate_permissions(c)) for a, b, c in ace]
else:
ace = [ace]
new_acl += ace
return tuple(new_acl) | [
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ramses-tech/ramses | ramses/acl.py | DatabaseACLMixin.item_acl | def item_acl(self, item):
""" Objectify ACL if ES is used or call item.get_acl() if
db is used.
"""
if self.es_based:
from nefertari_guards.elasticsearch import get_es_item_acl
return get_es_item_acl(item)
return super(DatabaseACLMixin, self).item_acl(item) | python | def item_acl(self, item):
""" Objectify ACL if ES is used or call item.get_acl() if
db is used.
"""
if self.es_based:
from nefertari_guards.elasticsearch import get_es_item_acl
return get_es_item_acl(item)
return super(DatabaseACLMixin, self).item_acl(item) | [
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ramses-tech/ramses | ramses/acl.py | DatabaseACLMixin.getitem_es | def getitem_es(self, key):
""" Override to support ACL filtering.
To do so: passes `self.request` to `get_item` and uses
`ACLFilterES`.
"""
from nefertari_guards.elasticsearch import ACLFilterES
es = ACLFilterES(self.item_model.__name__)
params = {
'id': key,
'request': self.request,
}
obj = es.get_item(**params)
obj.__acl__ = self.item_acl(obj)
obj.__parent__ = self
obj.__name__ = key
return obj | python | def getitem_es(self, key):
""" Override to support ACL filtering.
To do so: passes `self.request` to `get_item` and uses
`ACLFilterES`.
"""
from nefertari_guards.elasticsearch import ACLFilterES
es = ACLFilterES(self.item_model.__name__)
params = {
'id': key,
'request': self.request,
}
obj = es.get_item(**params)
obj.__acl__ = self.item_acl(obj)
obj.__parent__ = self
obj.__name__ = key
return obj | [
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ramses-tech/ramses | ramses/utils.py | convert_schema | def convert_schema(raml_schema, mime_type):
""" Restructure `raml_schema` to a dictionary that has 'properties'
as well as other schema keys/values.
The resulting dictionary looks like this::
{
"properties": {
"field1": {
"required": boolean,
"type": ...,
...more field options
},
...more properties
},
"public_fields": [...],
"auth_fields": [...],
...more schema options
}
:param raml_schema: RAML request body schema.
:param mime_type: ContentType of the schema as a string from RAML
file. Only JSON is currently supported.
"""
if mime_type == ContentTypes.JSON:
if not isinstance(raml_schema, dict):
raise TypeError(
'Schema is not a valid JSON. Please check your '
'schema syntax.\n{}...'.format(str(raml_schema)[:60]))
return raml_schema
if mime_type == ContentTypes.TEXT_XML:
# Process XML schema
pass | python | def convert_schema(raml_schema, mime_type):
""" Restructure `raml_schema` to a dictionary that has 'properties'
as well as other schema keys/values.
The resulting dictionary looks like this::
{
"properties": {
"field1": {
"required": boolean,
"type": ...,
...more field options
},
...more properties
},
"public_fields": [...],
"auth_fields": [...],
...more schema options
}
:param raml_schema: RAML request body schema.
:param mime_type: ContentType of the schema as a string from RAML
file. Only JSON is currently supported.
"""
if mime_type == ContentTypes.JSON:
if not isinstance(raml_schema, dict):
raise TypeError(
'Schema is not a valid JSON. Please check your '
'schema syntax.\n{}...'.format(str(raml_schema)[:60]))
return raml_schema
if mime_type == ContentTypes.TEXT_XML:
# Process XML schema
pass | [
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ramses-tech/ramses | ramses/utils.py | generate_model_name | def generate_model_name(raml_resource):
""" Generate model name.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
resource_uri = get_resource_uri(raml_resource).strip('/')
resource_uri = re.sub('\W', ' ', resource_uri)
model_name = inflection.titleize(resource_uri)
return inflection.singularize(model_name).replace(' ', '') | python | def generate_model_name(raml_resource):
""" Generate model name.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
resource_uri = get_resource_uri(raml_resource).strip('/')
resource_uri = re.sub('\W', ' ', resource_uri)
model_name = inflection.titleize(resource_uri)
return inflection.singularize(model_name).replace(' ', '') | [
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ramses-tech/ramses | ramses/utils.py | dynamic_part_name | def dynamic_part_name(raml_resource, route_name, pk_field):
""" Generate a dynamic part for a resource :raml_resource:.
A dynamic part is generated using 2 parts: :route_name: of the
resource and the dynamic part of first dynamic child resources. If
:raml_resource: has no dynamic child resources, 'id' is used as the
2nd part.
E.g. if your dynamic part on route 'stories' is named 'superId' then
dynamic part will be 'stories_superId'.
:param raml_resource: Instance of ramlfications.raml.ResourceNode for
which dynamic part name is being generated.
:param route_name: Cleaned name of :raml_resource:
:param pk_field: Model Primary Key field name.
"""
subresources = get_resource_children(raml_resource)
dynamic_uris = [res.path for res in subresources
if is_dynamic_uri(res.path)]
if dynamic_uris:
dynamic_part = extract_dynamic_part(dynamic_uris[0])
else:
dynamic_part = pk_field
return '_'.join([route_name, dynamic_part]) | python | def dynamic_part_name(raml_resource, route_name, pk_field):
""" Generate a dynamic part for a resource :raml_resource:.
A dynamic part is generated using 2 parts: :route_name: of the
resource and the dynamic part of first dynamic child resources. If
:raml_resource: has no dynamic child resources, 'id' is used as the
2nd part.
E.g. if your dynamic part on route 'stories' is named 'superId' then
dynamic part will be 'stories_superId'.
:param raml_resource: Instance of ramlfications.raml.ResourceNode for
which dynamic part name is being generated.
:param route_name: Cleaned name of :raml_resource:
:param pk_field: Model Primary Key field name.
"""
subresources = get_resource_children(raml_resource)
dynamic_uris = [res.path for res in subresources
if is_dynamic_uri(res.path)]
if dynamic_uris:
dynamic_part = extract_dynamic_part(dynamic_uris[0])
else:
dynamic_part = pk_field
return '_'.join([route_name, dynamic_part]) | [
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ramses-tech/ramses | ramses/utils.py | extract_dynamic_part | def extract_dynamic_part(uri):
""" Extract dynamic url part from :uri: string.
:param uri: URI string that may contain dynamic part.
"""
for part in uri.split('/'):
part = part.strip()
if part.startswith('{') and part.endswith('}'):
return clean_dynamic_uri(part) | python | def extract_dynamic_part(uri):
""" Extract dynamic url part from :uri: string.
:param uri: URI string that may contain dynamic part.
"""
for part in uri.split('/'):
part = part.strip()
if part.startswith('{') and part.endswith('}'):
return clean_dynamic_uri(part) | [
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ramses-tech/ramses | ramses/utils.py | resource_view_attrs | def resource_view_attrs(raml_resource, singular=False):
""" Generate view method names needed for `raml_resource` view.
Collects HTTP method names from resource siblings and dynamic children
if exist. Collected methods are then translated to
`nefertari.view.BaseView` method names, each of which is used to
process a particular HTTP method request.
Maps of {HTTP_method: view_method} `collection_methods` and
`item_methods` are used to convert collection and item methods
respectively.
:param raml_resource: Instance of ramlfications.raml.ResourceNode
:param singular: Boolean indicating if resource is singular or not
"""
from .views import collection_methods, item_methods
# Singular resource doesn't have collection methods though
# it looks like a collection
if singular:
collection_methods = item_methods
siblings = get_resource_siblings(raml_resource)
http_methods = [sibl.method.lower() for sibl in siblings]
attrs = [collection_methods.get(method) for method in http_methods]
# Check if resource has dynamic child resource like collection/{id}
# If dynamic child resource exists, add its siblings' methods to attrs,
# as both resources are handled by a single view
children = get_resource_children(raml_resource)
http_submethods = [child.method.lower() for child in children
if is_dynamic_uri(child.path)]
attrs += [item_methods.get(method) for method in http_submethods]
return set(filter(bool, attrs)) | python | def resource_view_attrs(raml_resource, singular=False):
""" Generate view method names needed for `raml_resource` view.
Collects HTTP method names from resource siblings and dynamic children
if exist. Collected methods are then translated to
`nefertari.view.BaseView` method names, each of which is used to
process a particular HTTP method request.
Maps of {HTTP_method: view_method} `collection_methods` and
`item_methods` are used to convert collection and item methods
respectively.
:param raml_resource: Instance of ramlfications.raml.ResourceNode
:param singular: Boolean indicating if resource is singular or not
"""
from .views import collection_methods, item_methods
# Singular resource doesn't have collection methods though
# it looks like a collection
if singular:
collection_methods = item_methods
siblings = get_resource_siblings(raml_resource)
http_methods = [sibl.method.lower() for sibl in siblings]
attrs = [collection_methods.get(method) for method in http_methods]
# Check if resource has dynamic child resource like collection/{id}
# If dynamic child resource exists, add its siblings' methods to attrs,
# as both resources are handled by a single view
children = get_resource_children(raml_resource)
http_submethods = [child.method.lower() for child in children
if is_dynamic_uri(child.path)]
attrs += [item_methods.get(method) for method in http_submethods]
return set(filter(bool, attrs)) | [
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ramses-tech/ramses | ramses/utils.py | resource_schema | def resource_schema(raml_resource):
""" Get schema properties of RAML resource :raml_resource:.
Must be called with RAML resource that defines body schema. First
body that defines schema is used. Schema is converted on return using
'convert_schema'.
:param raml_resource: Instance of ramlfications.raml.ResourceNode of
POST method.
"""
# NOTE: Must be called with resource that defines body schema
log.info('Searching for model schema')
if not raml_resource.body:
raise ValueError('RAML resource has no body to setup database '
'schema from')
for body in raml_resource.body:
if body.schema:
return convert_schema(body.schema, body.mime_type)
log.debug('No model schema found.') | python | def resource_schema(raml_resource):
""" Get schema properties of RAML resource :raml_resource:.
Must be called with RAML resource that defines body schema. First
body that defines schema is used. Schema is converted on return using
'convert_schema'.
:param raml_resource: Instance of ramlfications.raml.ResourceNode of
POST method.
"""
# NOTE: Must be called with resource that defines body schema
log.info('Searching for model schema')
if not raml_resource.body:
raise ValueError('RAML resource has no body to setup database '
'schema from')
for body in raml_resource.body:
if body.schema:
return convert_schema(body.schema, body.mime_type)
log.debug('No model schema found.') | [
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ramses-tech/ramses | ramses/utils.py | get_static_parent | def get_static_parent(raml_resource, method=None):
""" Get static parent resource of :raml_resource: with HTTP
method :method:.
:param raml_resource:Instance of ramlfications.raml.ResourceNode.
:param method: HTTP method name which matching static resource
must have.
"""
parent = raml_resource.parent
while is_dynamic_resource(parent):
parent = parent.parent
if parent is None:
return parent
match_method = method is not None
if match_method:
if parent.method.upper() == method.upper():
return parent
else:
return parent
for res in parent.root.resources:
if res.path == parent.path:
if res.method.upper() == method.upper():
return res | python | def get_static_parent(raml_resource, method=None):
""" Get static parent resource of :raml_resource: with HTTP
method :method:.
:param raml_resource:Instance of ramlfications.raml.ResourceNode.
:param method: HTTP method name which matching static resource
must have.
"""
parent = raml_resource.parent
while is_dynamic_resource(parent):
parent = parent.parent
if parent is None:
return parent
match_method = method is not None
if match_method:
if parent.method.upper() == method.upper():
return parent
else:
return parent
for res in parent.root.resources:
if res.path == parent.path:
if res.method.upper() == method.upper():
return res | [
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ramses-tech/ramses | ramses/utils.py | attr_subresource | def attr_subresource(raml_resource, route_name):
""" Determine if :raml_resource: is an attribute subresource.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param route_name: Name of the :raml_resource:.
"""
static_parent = get_static_parent(raml_resource, method='POST')
if static_parent is None:
return False
schema = resource_schema(static_parent) or {}
properties = schema.get('properties', {})
if route_name in properties:
db_settings = properties[route_name].get('_db_settings', {})
return db_settings.get('type') in ('dict', 'list')
return False | python | def attr_subresource(raml_resource, route_name):
""" Determine if :raml_resource: is an attribute subresource.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param route_name: Name of the :raml_resource:.
"""
static_parent = get_static_parent(raml_resource, method='POST')
if static_parent is None:
return False
schema = resource_schema(static_parent) or {}
properties = schema.get('properties', {})
if route_name in properties:
db_settings = properties[route_name].get('_db_settings', {})
return db_settings.get('type') in ('dict', 'list')
return False | [
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ramses-tech/ramses | ramses/utils.py | singular_subresource | def singular_subresource(raml_resource, route_name):
""" Determine if :raml_resource: is a singular subresource.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param route_name: Name of the :raml_resource:.
"""
static_parent = get_static_parent(raml_resource, method='POST')
if static_parent is None:
return False
schema = resource_schema(static_parent) or {}
properties = schema.get('properties', {})
if route_name not in properties:
return False
db_settings = properties[route_name].get('_db_settings', {})
is_obj = db_settings.get('type') == 'relationship'
single_obj = not db_settings.get('uselist', True)
return is_obj and single_obj | python | def singular_subresource(raml_resource, route_name):
""" Determine if :raml_resource: is a singular subresource.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param route_name: Name of the :raml_resource:.
"""
static_parent = get_static_parent(raml_resource, method='POST')
if static_parent is None:
return False
schema = resource_schema(static_parent) or {}
properties = schema.get('properties', {})
if route_name not in properties:
return False
db_settings = properties[route_name].get('_db_settings', {})
is_obj = db_settings.get('type') == 'relationship'
single_obj = not db_settings.get('uselist', True)
return is_obj and single_obj | [
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ramses-tech/ramses | ramses/utils.py | is_callable_tag | def is_callable_tag(tag):
""" Determine whether :tag: is a valid callable string tag.
String is assumed to be valid callable if it starts with '{{'
and ends with '}}'.
:param tag: String name of tag.
"""
return (isinstance(tag, six.string_types) and
tag.strip().startswith('{{') and
tag.strip().endswith('}}')) | python | def is_callable_tag(tag):
""" Determine whether :tag: is a valid callable string tag.
String is assumed to be valid callable if it starts with '{{'
and ends with '}}'.
:param tag: String name of tag.
"""
return (isinstance(tag, six.string_types) and
tag.strip().startswith('{{') and
tag.strip().endswith('}}')) | [
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ramses-tech/ramses | ramses/utils.py | resolve_to_callable | def resolve_to_callable(callable_name):
""" Resolve string :callable_name: to a callable.
:param callable_name: String representing callable name as registered
in ramses registry or dotted import path of callable. Can be
wrapped in double curly brackets, e.g. '{{my_callable}}'.
"""
from . import registry
clean_callable_name = callable_name.replace(
'{{', '').replace('}}', '').strip()
try:
return registry.get(clean_callable_name)
except KeyError:
try:
from zope.dottedname.resolve import resolve
return resolve(clean_callable_name)
except ImportError:
raise ImportError(
'Failed to load callable `{}`'.format(clean_callable_name)) | python | def resolve_to_callable(callable_name):
""" Resolve string :callable_name: to a callable.
:param callable_name: String representing callable name as registered
in ramses registry or dotted import path of callable. Can be
wrapped in double curly brackets, e.g. '{{my_callable}}'.
"""
from . import registry
clean_callable_name = callable_name.replace(
'{{', '').replace('}}', '').strip()
try:
return registry.get(clean_callable_name)
except KeyError:
try:
from zope.dottedname.resolve import resolve
return resolve(clean_callable_name)
except ImportError:
raise ImportError(
'Failed to load callable `{}`'.format(clean_callable_name)) | [
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ramses-tech/ramses | ramses/utils.py | get_resource_siblings | def get_resource_siblings(raml_resource):
""" Get siblings of :raml_resource:.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
path = raml_resource.path
return [res for res in raml_resource.root.resources
if res.path == path] | python | def get_resource_siblings(raml_resource):
""" Get siblings of :raml_resource:.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
path = raml_resource.path
return [res for res in raml_resource.root.resources
if res.path == path] | [
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ramses-tech/ramses | ramses/utils.py | get_resource_children | def get_resource_children(raml_resource):
""" Get children of :raml_resource:.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
path = raml_resource.path
return [res for res in raml_resource.root.resources
if res.parent and res.parent.path == path] | python | def get_resource_children(raml_resource):
""" Get children of :raml_resource:.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
"""
path = raml_resource.path
return [res for res in raml_resource.root.resources
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ramses-tech/ramses | ramses/utils.py | get_events_map | def get_events_map():
""" Prepare map of event subscribers.
* Extends copies of BEFORE_EVENTS and AFTER_EVENTS maps with
'set' action.
* Returns map of {before/after: {action: event class(es)}}
"""
from nefertari import events
set_keys = ('create', 'update', 'replace', 'update_many', 'register')
before_events = events.BEFORE_EVENTS.copy()
before_events['set'] = [before_events[key] for key in set_keys]
after_events = events.AFTER_EVENTS.copy()
after_events['set'] = [after_events[key] for key in set_keys]
return {
'before': before_events,
'after': after_events,
} | python | def get_events_map():
""" Prepare map of event subscribers.
* Extends copies of BEFORE_EVENTS and AFTER_EVENTS maps with
'set' action.
* Returns map of {before/after: {action: event class(es)}}
"""
from nefertari import events
set_keys = ('create', 'update', 'replace', 'update_many', 'register')
before_events = events.BEFORE_EVENTS.copy()
before_events['set'] = [before_events[key] for key in set_keys]
after_events = events.AFTER_EVENTS.copy()
after_events['set'] = [after_events[key] for key in set_keys]
return {
'before': before_events,
'after': after_events,
} | [
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ramses-tech/ramses | ramses/utils.py | patch_view_model | def patch_view_model(view_cls, model_cls):
""" Patches view_cls.Model with model_cls.
:param view_cls: View class "Model" param of which should be
patched
:param model_cls: Model class which should be used to patch
view_cls.Model
"""
original_model = view_cls.Model
view_cls.Model = model_cls
try:
yield
finally:
view_cls.Model = original_model | python | def patch_view_model(view_cls, model_cls):
""" Patches view_cls.Model with model_cls.
:param view_cls: View class "Model" param of which should be
patched
:param model_cls: Model class which should be used to patch
view_cls.Model
"""
original_model = view_cls.Model
view_cls.Model = model_cls
try:
yield
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view_cls.Model = original_model | [
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ramses-tech/ramses | ramses/utils.py | get_route_name | def get_route_name(resource_uri):
""" Get route name from RAML resource URI.
:param resource_uri: String representing RAML resource URI.
:returns string: String with route name, which is :resource_uri:
stripped of non-word characters.
"""
resource_uri = resource_uri.strip('/')
resource_uri = re.sub('\W', '', resource_uri)
return resource_uri | python | def get_route_name(resource_uri):
""" Get route name from RAML resource URI.
:param resource_uri: String representing RAML resource URI.
:returns string: String with route name, which is :resource_uri:
stripped of non-word characters.
"""
resource_uri = resource_uri.strip('/')
resource_uri = re.sub('\W', '', resource_uri)
return resource_uri | [
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ramses-tech/ramses | ramses/generators.py | generate_resource | def generate_resource(config, raml_resource, parent_resource):
""" Perform complete one resource configuration process
This function generates: ACL, view, route, resource, database
model for a given `raml_resource`. New nefertari resource is
attached to `parent_resource` class which is an instance of
`nefertari.resource.Resource`.
Things to consider:
* Top-level resources must be collection names.
* No resources are explicitly created for dynamic (ending with '}')
RAML resources as they are implicitly processed by parent collection
resources.
* Resource nesting must look like collection/id/collection/id/...
* Only part of resource path after last '/' is taken into account,
thus each level of resource nesting should add one more path
element. E.g. /stories -> /stories/{id} and not
/stories -> /stories/mystories/{id}. Latter route will be generated
at /stories/{id}.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param parent_resource: Parent nefertari resource object.
"""
from .models import get_existing_model
# Don't generate resources for dynamic routes as they are already
# generated by their parent
resource_uri = get_resource_uri(raml_resource)
if is_dynamic_uri(resource_uri):
if parent_resource.is_root:
raise Exception("Top-level resources can't be dynamic and must "
"represent collections instead")
return
route_name = get_route_name(resource_uri)
log.info('Configuring resource: `{}`. Parent: `{}`'.format(
route_name, parent_resource.uid or 'root'))
# Get DB model. If this is an attribute or singular resource,
# we don't need to get model
is_singular = singular_subresource(raml_resource, route_name)
is_attr_res = attr_subresource(raml_resource, route_name)
if not parent_resource.is_root and (is_attr_res or is_singular):
model_cls = parent_resource.view.Model
else:
model_name = generate_model_name(raml_resource)
model_cls = get_existing_model(model_name)
resource_kwargs = {}
# Generate ACL
log.info('Generating ACL for `{}`'.format(route_name))
resource_kwargs['factory'] = generate_acl(
config,
model_cls=model_cls,
raml_resource=raml_resource)
# Generate dynamic part name
if not is_singular:
resource_kwargs['id_name'] = dynamic_part_name(
raml_resource=raml_resource,
route_name=route_name,
pk_field=model_cls.pk_field())
# Generate REST view
log.info('Generating view for `{}`'.format(route_name))
view_attrs = resource_view_attrs(raml_resource, is_singular)
resource_kwargs['view'] = generate_rest_view(
config,
model_cls=model_cls,
attrs=view_attrs,
attr_view=is_attr_res,
singular=is_singular,
)
# In case of singular resource, model still needs to be generated,
# but we store it on a different view attribute
if is_singular:
model_name = generate_model_name(raml_resource)
view_cls = resource_kwargs['view']
view_cls._parent_model = view_cls.Model
view_cls.Model = get_existing_model(model_name)
# Create new nefertari resource
log.info('Creating new resource for `{}`'.format(route_name))
clean_uri = resource_uri.strip('/')
resource_args = (singularize(clean_uri),)
if not is_singular:
resource_args += (clean_uri,)
return parent_resource.add(*resource_args, **resource_kwargs) | python | def generate_resource(config, raml_resource, parent_resource):
""" Perform complete one resource configuration process
This function generates: ACL, view, route, resource, database
model for a given `raml_resource`. New nefertari resource is
attached to `parent_resource` class which is an instance of
`nefertari.resource.Resource`.
Things to consider:
* Top-level resources must be collection names.
* No resources are explicitly created for dynamic (ending with '}')
RAML resources as they are implicitly processed by parent collection
resources.
* Resource nesting must look like collection/id/collection/id/...
* Only part of resource path after last '/' is taken into account,
thus each level of resource nesting should add one more path
element. E.g. /stories -> /stories/{id} and not
/stories -> /stories/mystories/{id}. Latter route will be generated
at /stories/{id}.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param parent_resource: Parent nefertari resource object.
"""
from .models import get_existing_model
# Don't generate resources for dynamic routes as they are already
# generated by their parent
resource_uri = get_resource_uri(raml_resource)
if is_dynamic_uri(resource_uri):
if parent_resource.is_root:
raise Exception("Top-level resources can't be dynamic and must "
"represent collections instead")
return
route_name = get_route_name(resource_uri)
log.info('Configuring resource: `{}`. Parent: `{}`'.format(
route_name, parent_resource.uid or 'root'))
# Get DB model. If this is an attribute or singular resource,
# we don't need to get model
is_singular = singular_subresource(raml_resource, route_name)
is_attr_res = attr_subresource(raml_resource, route_name)
if not parent_resource.is_root and (is_attr_res or is_singular):
model_cls = parent_resource.view.Model
else:
model_name = generate_model_name(raml_resource)
model_cls = get_existing_model(model_name)
resource_kwargs = {}
# Generate ACL
log.info('Generating ACL for `{}`'.format(route_name))
resource_kwargs['factory'] = generate_acl(
config,
model_cls=model_cls,
raml_resource=raml_resource)
# Generate dynamic part name
if not is_singular:
resource_kwargs['id_name'] = dynamic_part_name(
raml_resource=raml_resource,
route_name=route_name,
pk_field=model_cls.pk_field())
# Generate REST view
log.info('Generating view for `{}`'.format(route_name))
view_attrs = resource_view_attrs(raml_resource, is_singular)
resource_kwargs['view'] = generate_rest_view(
config,
model_cls=model_cls,
attrs=view_attrs,
attr_view=is_attr_res,
singular=is_singular,
)
# In case of singular resource, model still needs to be generated,
# but we store it on a different view attribute
if is_singular:
model_name = generate_model_name(raml_resource)
view_cls = resource_kwargs['view']
view_cls._parent_model = view_cls.Model
view_cls.Model = get_existing_model(model_name)
# Create new nefertari resource
log.info('Creating new resource for `{}`'.format(route_name))
clean_uri = resource_uri.strip('/')
resource_args = (singularize(clean_uri),)
if not is_singular:
resource_args += (clean_uri,)
return parent_resource.add(*resource_args, **resource_kwargs) | [
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attached to `parent_resource` class which is an instance of
`nefertari.resource.Resource`.
Things to consider:
* Top-level resources must be collection names.
* No resources are explicitly created for dynamic (ending with '}')
RAML resources as they are implicitly processed by parent collection
resources.
* Resource nesting must look like collection/id/collection/id/...
* Only part of resource path after last '/' is taken into account,
thus each level of resource nesting should add one more path
element. E.g. /stories -> /stories/{id} and not
/stories -> /stories/mystories/{id}. Latter route will be generated
at /stories/{id}.
:param raml_resource: Instance of ramlfications.raml.ResourceNode.
:param parent_resource: Parent nefertari resource object. | [
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ramses-tech/ramses | ramses/generators.py | generate_server | def generate_server(raml_root, config):
""" Handle server generation process.
:param raml_root: Instance of ramlfications.raml.RootNode.
:param config: Pyramid Configurator instance.
"""
log.info('Server generation started')
if not raml_root.resources:
return
root_resource = config.get_root_resource()
generated_resources = {}
for raml_resource in raml_root.resources:
if raml_resource.path in generated_resources:
continue
# Get Nefertari parent resource
parent_resource = _get_nefertari_parent_resource(
raml_resource, generated_resources, root_resource)
# Get generated resource and store it
new_resource = generate_resource(
config, raml_resource, parent_resource)
if new_resource is not None:
generated_resources[raml_resource.path] = new_resource | python | def generate_server(raml_root, config):
""" Handle server generation process.
:param raml_root: Instance of ramlfications.raml.RootNode.
:param config: Pyramid Configurator instance.
"""
log.info('Server generation started')
if not raml_root.resources:
return
root_resource = config.get_root_resource()
generated_resources = {}
for raml_resource in raml_root.resources:
if raml_resource.path in generated_resources:
continue
# Get Nefertari parent resource
parent_resource = _get_nefertari_parent_resource(
raml_resource, generated_resources, root_resource)
# Get generated resource and store it
new_resource = generate_resource(
config, raml_resource, parent_resource)
if new_resource is not None:
generated_resources[raml_resource.path] = new_resource | [
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ramses-tech/ramses | ramses/generators.py | generate_models | def generate_models(config, raml_resources):
""" Generate model for each resource in :raml_resources:
The DB model name is generated using singular titled version of current
resource's url. E.g. for resource under url '/stories', model with
name 'Story' will be generated.
:param config: Pyramid Configurator instance.
:param raml_resources: List of ramlfications.raml.ResourceNode.
"""
from .models import handle_model_generation
if not raml_resources:
return
for raml_resource in raml_resources:
# No need to generate models for dynamic resource
if is_dynamic_uri(raml_resource.path):
continue
# Since POST resource must define schema use only POST
# resources to generate models
if raml_resource.method.upper() != 'POST':
continue
# Generate DB model
# If this is an attribute resource we don't need to generate model
resource_uri = get_resource_uri(raml_resource)
route_name = get_route_name(resource_uri)
if not attr_subresource(raml_resource, route_name):
log.info('Configuring model for route `{}`'.format(route_name))
model_cls, is_auth_model = handle_model_generation(
config, raml_resource)
if is_auth_model:
config.registry.auth_model = model_cls | python | def generate_models(config, raml_resources):
""" Generate model for each resource in :raml_resources:
The DB model name is generated using singular titled version of current
resource's url. E.g. for resource under url '/stories', model with
name 'Story' will be generated.
:param config: Pyramid Configurator instance.
:param raml_resources: List of ramlfications.raml.ResourceNode.
"""
from .models import handle_model_generation
if not raml_resources:
return
for raml_resource in raml_resources:
# No need to generate models for dynamic resource
if is_dynamic_uri(raml_resource.path):
continue
# Since POST resource must define schema use only POST
# resources to generate models
if raml_resource.method.upper() != 'POST':
continue
# Generate DB model
# If this is an attribute resource we don't need to generate model
resource_uri = get_resource_uri(raml_resource)
route_name = get_route_name(resource_uri)
if not attr_subresource(raml_resource, route_name):
log.info('Configuring model for route `{}`'.format(route_name))
model_cls, is_auth_model = handle_model_generation(
config, raml_resource)
if is_auth_model:
config.registry.auth_model = model_cls | [
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ramses-tech/ramses | ramses/views.py | generate_rest_view | def generate_rest_view(config, model_cls, attrs=None, es_based=True,
attr_view=False, singular=False):
""" Generate REST view for a model class.
:param model_cls: Generated DB model class.
:param attr: List of strings that represent names of view methods, new
generated view should support. Not supported methods are replaced
with property that raises AttributeError to display MethodNotAllowed
error.
:param es_based: Boolean indicating if generated view should read from
elasticsearch. If True - collection reads are performed from
elasticsearch. Database is used for reads otherwise.
Defaults to True.
:param attr_view: Boolean indicating if ItemAttributeView should be
used as a base class for generated view.
:param singular: Boolean indicating if ItemSingularView should be
used as a base class for generated view.
"""
valid_attrs = (list(collection_methods.values()) +
list(item_methods.values()))
missing_attrs = set(valid_attrs) - set(attrs)
if singular:
bases = [ItemSingularView]
elif attr_view:
bases = [ItemAttributeView]
elif es_based:
bases = [ESCollectionView]
else:
bases = [CollectionView]
if config.registry.database_acls:
from nefertari_guards.view import ACLFilterViewMixin
bases = [SetObjectACLMixin] + bases + [ACLFilterViewMixin]
bases.append(NefertariBaseView)
RESTView = type('RESTView', tuple(bases), {'Model': model_cls})
def _attr_error(*args, **kwargs):
raise AttributeError
for attr in missing_attrs:
setattr(RESTView, attr, property(_attr_error))
return RESTView | python | def generate_rest_view(config, model_cls, attrs=None, es_based=True,
attr_view=False, singular=False):
""" Generate REST view for a model class.
:param model_cls: Generated DB model class.
:param attr: List of strings that represent names of view methods, new
generated view should support. Not supported methods are replaced
with property that raises AttributeError to display MethodNotAllowed
error.
:param es_based: Boolean indicating if generated view should read from
elasticsearch. If True - collection reads are performed from
elasticsearch. Database is used for reads otherwise.
Defaults to True.
:param attr_view: Boolean indicating if ItemAttributeView should be
used as a base class for generated view.
:param singular: Boolean indicating if ItemSingularView should be
used as a base class for generated view.
"""
valid_attrs = (list(collection_methods.values()) +
list(item_methods.values()))
missing_attrs = set(valid_attrs) - set(attrs)
if singular:
bases = [ItemSingularView]
elif attr_view:
bases = [ItemAttributeView]
elif es_based:
bases = [ESCollectionView]
else:
bases = [CollectionView]
if config.registry.database_acls:
from nefertari_guards.view import ACLFilterViewMixin
bases = [SetObjectACLMixin] + bases + [ACLFilterViewMixin]
bases.append(NefertariBaseView)
RESTView = type('RESTView', tuple(bases), {'Model': model_cls})
def _attr_error(*args, **kwargs):
raise AttributeError
for attr in missing_attrs:
setattr(RESTView, attr, property(_attr_error))
return RESTView | [
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ramses-tech/ramses | ramses/views.py | SetObjectACLMixin.set_object_acl | def set_object_acl(self, obj):
""" Set object ACL on creation if not already present. """
if not obj._acl:
from nefertari_guards import engine as guards_engine
acl = self._factory(self.request).generate_item_acl(obj)
obj._acl = guards_engine.ACLField.stringify_acl(acl) | python | def set_object_acl(self, obj):
""" Set object ACL on creation if not already present. """
if not obj._acl:
from nefertari_guards import engine as guards_engine
acl = self._factory(self.request).generate_item_acl(obj)
obj._acl = guards_engine.ACLField.stringify_acl(acl) | [
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ramses-tech/ramses | ramses/views.py | BaseView.resolve_kw | def resolve_kw(self, kwargs):
""" Resolve :kwargs: like `story_id: 1` to the form of `id: 1`.
"""
resolved = {}
for key, value in kwargs.items():
split = key.split('_', 1)
if len(split) > 1:
key = split[1]
resolved[key] = value
return resolved | python | def resolve_kw(self, kwargs):
""" Resolve :kwargs: like `story_id: 1` to the form of `id: 1`.
"""
resolved = {}
for key, value in kwargs.items():
split = key.split('_', 1)
if len(split) > 1:
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ramses-tech/ramses | ramses/views.py | BaseView._location | def _location(self, obj):
""" Get location of the `obj`
Arguments:
:obj: self.Model instance.
"""
field_name = self.clean_id_name
return self.request.route_url(
self._resource.uid,
**{self._resource.id_name: getattr(obj, field_name)}) | python | def _location(self, obj):
""" Get location of the `obj`
Arguments:
:obj: self.Model instance.
"""
field_name = self.clean_id_name
return self.request.route_url(
self._resource.uid,
**{self._resource.id_name: getattr(obj, field_name)}) | [
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ramses-tech/ramses | ramses/views.py | BaseView._parent_queryset | def _parent_queryset(self):
""" Get queryset of parent view.
Generated queryset is used to run queries in the current level view.
"""
parent = self._resource.parent
if hasattr(parent, 'view'):
req = self.request.blank(self.request.path)
req.registry = self.request.registry
req.matchdict = {
parent.id_name: self.request.matchdict.get(parent.id_name)}
parent_view = parent.view(parent.view._factory, req)
obj = parent_view.get_item(**req.matchdict)
if isinstance(self, ItemSubresourceBaseView):
return
prop = self._resource.collection_name
return getattr(obj, prop, None) | python | def _parent_queryset(self):
""" Get queryset of parent view.
Generated queryset is used to run queries in the current level view.
"""
parent = self._resource.parent
if hasattr(parent, 'view'):
req = self.request.blank(self.request.path)
req.registry = self.request.registry
req.matchdict = {
parent.id_name: self.request.matchdict.get(parent.id_name)}
parent_view = parent.view(parent.view._factory, req)
obj = parent_view.get_item(**req.matchdict)
if isinstance(self, ItemSubresourceBaseView):
return
prop = self._resource.collection_name
return getattr(obj, prop, None) | [
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ramses-tech/ramses | ramses/views.py | BaseView.get_collection | def get_collection(self, **kwargs):
""" Get objects collection taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus a
queryset returned by this method will be a subset of its parent
view's queryset, thus filtering out objects that don't belong to
the parent object.
"""
self._query_params.update(kwargs)
objects = self._parent_queryset()
if objects is not None:
return self.Model.filter_objects(
objects, **self._query_params)
return self.Model.get_collection(**self._query_params) | python | def get_collection(self, **kwargs):
""" Get objects collection taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus a
queryset returned by this method will be a subset of its parent
view's queryset, thus filtering out objects that don't belong to
the parent object.
"""
self._query_params.update(kwargs)
objects = self._parent_queryset()
if objects is not None:
return self.Model.filter_objects(
objects, **self._query_params)
return self.Model.get_collection(**self._query_params) | [
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ramses-tech/ramses | ramses/views.py | BaseView.get_item | def get_item(self, **kwargs):
""" Get collection item taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus an item
returned by this method will belong to its parent view's queryset, thus
filtering out objects that don't belong to the parent object.
Returns an object from the applicable ACL. If ACL wasn't applied, it is
applied explicitly.
"""
if six.callable(self.context):
self.reload_context(es_based=False, **kwargs)
objects = self._parent_queryset()
if objects is not None and self.context not in objects:
raise JHTTPNotFound('{}({}) not found'.format(
self.Model.__name__,
self._get_context_key(**kwargs)))
return self.context | python | def get_item(self, **kwargs):
""" Get collection item taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus an item
returned by this method will belong to its parent view's queryset, thus
filtering out objects that don't belong to the parent object.
Returns an object from the applicable ACL. If ACL wasn't applied, it is
applied explicitly.
"""
if six.callable(self.context):
self.reload_context(es_based=False, **kwargs)
objects = self._parent_queryset()
if objects is not None and self.context not in objects:
raise JHTTPNotFound('{}({}) not found'.format(
self.Model.__name__,
self._get_context_key(**kwargs)))
return self.context | [
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ramses-tech/ramses | ramses/views.py | BaseView.reload_context | def reload_context(self, es_based, **kwargs):
""" Reload `self.context` object into a DB or ES object.
A reload is performed by getting the object ID from :kwargs: and then
getting a context key item from the new instance of `self._factory`
which is an ACL class used by the current view.
Arguments:
:es_based: Boolean. Whether to init ACL ac es-based or not. This
affects the backend which will be queried - either DB or ES
:kwargs: Kwargs that contain value for current resource 'id_name'
key
"""
from .acl import BaseACL
key = self._get_context_key(**kwargs)
kwargs = {'request': self.request}
if issubclass(self._factory, BaseACL):
kwargs['es_based'] = es_based
acl = self._factory(**kwargs)
if acl.item_model is None:
acl.item_model = self.Model
self.context = acl[key] | python | def reload_context(self, es_based, **kwargs):
""" Reload `self.context` object into a DB or ES object.
A reload is performed by getting the object ID from :kwargs: and then
getting a context key item from the new instance of `self._factory`
which is an ACL class used by the current view.
Arguments:
:es_based: Boolean. Whether to init ACL ac es-based or not. This
affects the backend which will be queried - either DB or ES
:kwargs: Kwargs that contain value for current resource 'id_name'
key
"""
from .acl import BaseACL
key = self._get_context_key(**kwargs)
kwargs = {'request': self.request}
if issubclass(self._factory, BaseACL):
kwargs['es_based'] = es_based
acl = self._factory(**kwargs)
if acl.item_model is None:
acl.item_model = self.Model
self.context = acl[key] | [
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ramses-tech/ramses | ramses/views.py | ESBaseView._parent_queryset_es | def _parent_queryset_es(self):
""" Get queryset (list of object IDs) of parent view.
The generated queryset is used to run queries in the current level's
view.
"""
parent = self._resource.parent
if hasattr(parent, 'view'):
req = self.request.blank(self.request.path)
req.registry = self.request.registry
req.matchdict = {
parent.id_name: self.request.matchdict.get(parent.id_name)}
parent_view = parent.view(parent.view._factory, req)
obj = parent_view.get_item_es(**req.matchdict)
prop = self._resource.collection_name
objects_ids = getattr(obj, prop, None)
return objects_ids | python | def _parent_queryset_es(self):
""" Get queryset (list of object IDs) of parent view.
The generated queryset is used to run queries in the current level's
view.
"""
parent = self._resource.parent
if hasattr(parent, 'view'):
req = self.request.blank(self.request.path)
req.registry = self.request.registry
req.matchdict = {
parent.id_name: self.request.matchdict.get(parent.id_name)}
parent_view = parent.view(parent.view._factory, req)
obj = parent_view.get_item_es(**req.matchdict)
prop = self._resource.collection_name
objects_ids = getattr(obj, prop, None)
return objects_ids | [
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ramses-tech/ramses | ramses/views.py | ESBaseView.get_es_object_ids | def get_es_object_ids(self, objects):
""" Return IDs of :objects: if they are not IDs already. """
id_field = self.clean_id_name
ids = [getattr(obj, id_field, obj) for obj in objects]
return list(set(str(id_) for id_ in ids)) | python | def get_es_object_ids(self, objects):
""" Return IDs of :objects: if they are not IDs already. """
id_field = self.clean_id_name
ids = [getattr(obj, id_field, obj) for obj in objects]
return list(set(str(id_) for id_ in ids)) | [
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ramses-tech/ramses | ramses/views.py | ESBaseView.get_collection_es | def get_collection_es(self):
""" Get ES objects collection taking into account the generated
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This method allows working with nested resources properly. Thus a
queryset returned by this method will be a subset of its parent view's
queryset, thus filtering out objects that don't belong to the parent
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"""
objects_ids = self._parent_queryset_es()
if objects_ids is not None:
objects_ids = self.get_es_object_ids(objects_ids)
if not objects_ids:
return []
self._query_params['id'] = objects_ids
return super(ESBaseView, self).get_collection_es() | python | def get_collection_es(self):
""" Get ES objects collection taking into account the generated
queryset of parent view.
This method allows working with nested resources properly. Thus a
queryset returned by this method will be a subset of its parent view's
queryset, thus filtering out objects that don't belong to the parent
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"""
objects_ids = self._parent_queryset_es()
if objects_ids is not None:
objects_ids = self.get_es_object_ids(objects_ids)
if not objects_ids:
return []
self._query_params['id'] = objects_ids
return super(ESBaseView, self).get_collection_es() | [
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ramses-tech/ramses | ramses/views.py | ESBaseView.get_item_es | def get_item_es(self, **kwargs):
""" Get ES collection item taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus an item
returned by this method will belong to its parent view's queryset, thus
filtering out objects that don't belong to the parent object.
Returns an object retrieved from the applicable ACL. If an ACL wasn't
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"""
item_id = self._get_context_key(**kwargs)
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if objects_ids is not None:
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if six.callable(self.context):
self.reload_context(es_based=True, **kwargs)
if (objects_ids is not None) and (item_id not in objects_ids):
raise JHTTPNotFound('{}(id={}) resource not found'.format(
self.Model.__name__, item_id))
return self.context | python | def get_item_es(self, **kwargs):
""" Get ES collection item taking into account generated queryset
of parent view.
This method allows working with nested resources properly. Thus an item
returned by this method will belong to its parent view's queryset, thus
filtering out objects that don't belong to the parent object.
Returns an object retrieved from the applicable ACL. If an ACL wasn't
applied, it is applied explicitly.
"""
item_id = self._get_context_key(**kwargs)
objects_ids = self._parent_queryset_es()
if objects_ids is not None:
objects_ids = self.get_es_object_ids(objects_ids)
if six.callable(self.context):
self.reload_context(es_based=True, **kwargs)
if (objects_ids is not None) and (item_id not in objects_ids):
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ramses-tech/ramses | ramses/views.py | ESCollectionView.delete_many | def delete_many(self, **kwargs):
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ramses-tech/ramses | ramses/views.py | ItemSubresourceBaseView._get_context_key | def _get_context_key(self, **kwargs):
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edoburu/sphinxcontrib-django | sphinxcontrib_django/__init__.py | setup | def setup(app):
"""Allow this module to be used as sphinx extension.
This attaches the Sphinx hooks.
:type app: sphinx.application.Sphinx
"""
import sphinxcontrib_django.docstrings
import sphinxcontrib_django.roles
# Setup both modules at once. They can also be separately imported to
# use only fragments of this package.
sphinxcontrib_django.docstrings.setup(app)
sphinxcontrib_django.roles.setup(app) | python | def setup(app):
"""Allow this module to be used as sphinx extension.
This attaches the Sphinx hooks.
:type app: sphinx.application.Sphinx
"""
import sphinxcontrib_django.docstrings
import sphinxcontrib_django.roles
# Setup both modules at once. They can also be separately imported to
# use only fragments of this package.
sphinxcontrib_django.docstrings.setup(app)
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edoburu/sphinxcontrib-django | sphinxcontrib_django/patches.py | patch_django_for_autodoc | def patch_django_for_autodoc():
"""Fix the appearance of some classes in autodoc.
This avoids query evaluation.
"""
# Fix Django's manager appearance
ManagerDescriptor.__get__ = lambda self, *args, **kwargs: self.manager
# Stop Django from executing DB queries
models.QuerySet.__repr__ = lambda self: self.__class__.__name__ | python | def patch_django_for_autodoc():
"""Fix the appearance of some classes in autodoc.
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"""
# Fix Django's manager appearance
ManagerDescriptor.__get__ = lambda self, *args, **kwargs: self.manager
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | setup | def setup(app):
"""Allow this package to be used as Sphinx extension.
This is also called from the top-level ``__init__.py``.
:type app: sphinx.application.Sphinx
"""
from .patches import patch_django_for_autodoc
# When running, make sure Django doesn't execute querysets
patch_django_for_autodoc()
# Generate docstrings for Django model fields
# Register the docstring processor with sphinx
app.connect('autodoc-process-docstring', improve_model_docstring)
# influence skip rules
app.connect("autodoc-skip-member", autodoc_skip) | python | def setup(app):
"""Allow this package to be used as Sphinx extension.
This is also called from the top-level ``__init__.py``.
:type app: sphinx.application.Sphinx
"""
from .patches import patch_django_for_autodoc
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patch_django_for_autodoc()
# Generate docstrings for Django model fields
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app.connect('autodoc-process-docstring', improve_model_docstring)
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | autodoc_skip | def autodoc_skip(app, what, name, obj, skip, options):
"""Hook that tells autodoc to include or exclude certain fields.
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so only the ``name`` can be used for referencing.
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:param obj: The child value (e.g. a method, dict, or module reference)
:param options: The current autodoc settings.
:type options: dict
.. seealso:: http://www.sphinx-doc.org/en/stable/ext/autodoc.html#event-autodoc-skip-member
"""
if name in config.EXCLUDE_MEMBERS:
return True
if name in config.INCLUDE_MEMBERS:
return False
return skip | python | def autodoc_skip(app, what, name, obj, skip, options):
"""Hook that tells autodoc to include or exclude certain fields.
Sadly, it doesn't give a reference to the parent object,
so only the ``name`` can be used for referencing.
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.. seealso:: http://www.sphinx-doc.org/en/stable/ext/autodoc.html#event-autodoc-skip-member
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | improve_model_docstring | def improve_model_docstring(app, what, name, obj, options, lines):
"""Hook that improves the autodoc docstrings for Django models.
:type app: sphinx.application.Sphinx
:param what: The parent type, ``class`` or ``module``
:type what: str
:param name: The dotted path to the child method/attribute.
:type name: str
:param obj: The Python object that i s being documented.
:param options: The current autodoc settings.
:type options: dict
:param lines: The current documentation lines
:type lines: list
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elif what == 'attribute':
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elif what == 'method':
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# Return the extended docstring
return lines | python | def improve_model_docstring(app, what, name, obj, options, lines):
"""Hook that improves the autodoc docstrings for Django models.
:type app: sphinx.application.Sphinx
:param what: The parent type, ``class`` or ``module``
:type what: str
:param name: The dotted path to the child method/attribute.
:type name: str
:param obj: The Python object that i s being documented.
:param options: The current autodoc settings.
:type options: dict
:param lines: The current documentation lines
:type lines: list
"""
if what == 'class':
_improve_class_docs(app, obj, lines)
elif what == 'attribute':
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# Return the extended docstring
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | _improve_class_docs | def _improve_class_docs(app, cls, lines):
"""Improve the documentation of a class."""
if issubclass(cls, models.Model):
_add_model_fields_as_params(app, cls, lines)
elif issubclass(cls, forms.Form):
_add_form_fields(cls, lines) | python | def _improve_class_docs(app, cls, lines):
"""Improve the documentation of a class."""
if issubclass(cls, models.Model):
_add_model_fields_as_params(app, cls, lines)
elif issubclass(cls, forms.Form):
_add_form_fields(cls, lines) | [
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | _add_model_fields_as_params | def _add_model_fields_as_params(app, obj, lines):
"""Improve the documentation of a Django model subclass.
This adds all model fields as parameters to the ``__init__()`` method.
:type app: sphinx.application.Sphinx
:type lines: list
"""
for field in obj._meta.get_fields():
try:
help_text = strip_tags(force_text(field.help_text))
verbose_name = force_text(field.verbose_name).capitalize()
except AttributeError:
# e.g. ManyToOneRel
continue
# Add parameter
if help_text:
lines.append(u':param %s: %s' % (field.name, help_text))
else:
lines.append(u':param %s: %s' % (field.name, verbose_name))
# Add type
lines.append(_get_field_type(field))
if 'sphinx.ext.inheritance_diagram' in app.extensions and \
'sphinx.ext.graphviz' in app.extensions and \
not any('inheritance-diagram::' in line for line in lines):
lines.append('.. inheritance-diagram::') | python | def _add_model_fields_as_params(app, obj, lines):
"""Improve the documentation of a Django model subclass.
This adds all model fields as parameters to the ``__init__()`` method.
:type app: sphinx.application.Sphinx
:type lines: list
"""
for field in obj._meta.get_fields():
try:
help_text = strip_tags(force_text(field.help_text))
verbose_name = force_text(field.verbose_name).capitalize()
except AttributeError:
# e.g. ManyToOneRel
continue
# Add parameter
if help_text:
lines.append(u':param %s: %s' % (field.name, help_text))
else:
lines.append(u':param %s: %s' % (field.name, verbose_name))
# Add type
lines.append(_get_field_type(field))
if 'sphinx.ext.inheritance_diagram' in app.extensions and \
'sphinx.ext.graphviz' in app.extensions and \
not any('inheritance-diagram::' in line for line in lines):
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | _add_form_fields | def _add_form_fields(obj, lines):
"""Improve the documentation of a Django Form class.
This highlights the available fields in the form.
"""
lines.append("**Form fields:**")
lines.append("")
for name, field in obj.base_fields.items():
field_type = "{}.{}".format(field.__class__.__module__, field.__class__.__name__)
tpl = "* ``{name}``: {label} (:class:`~{field_type}`)"
lines.append(tpl.format(
name=name,
field=field,
label=field.label or name.replace('_', ' ').title(),
field_type=field_type
)) | python | def _add_form_fields(obj, lines):
"""Improve the documentation of a Django Form class.
This highlights the available fields in the form.
"""
lines.append("**Form fields:**")
lines.append("")
for name, field in obj.base_fields.items():
field_type = "{}.{}".format(field.__class__.__module__, field.__class__.__name__)
tpl = "* ``{name}``: {label} (:class:`~{field_type}`)"
lines.append(tpl.format(
name=name,
field=field,
label=field.label or name.replace('_', ' ').title(),
field_type=field_type
)) | [
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edoburu/sphinxcontrib-django | sphinxcontrib_django/docstrings.py | _improve_attribute_docs | def _improve_attribute_docs(obj, name, lines):
"""Improve the documentation of various attributes.
This improves the navigation between related objects.
:param obj: the instance of the object to document.
:param name: full dotted path to the object.
:param lines: expected documentation lines.
"""
if obj is None:
# Happens with form attributes.
return
if isinstance(obj, DeferredAttribute):
# This only points to a field name, not a field.
# Get the field by importing the name.
cls_path, field_name = name.rsplit('.', 1)
model = import_string(cls_path)
field = model._meta.get_field(obj.field_name)
del lines[:] # lines.clear() is Python 3 only
lines.append("**Model field:** {label}".format(
label=field.verbose_name
))
elif isinstance(obj, _FIELD_DESCRIPTORS):
# These
del lines[:]
lines.append("**Model field:** {label}".format(
label=obj.field.verbose_name
))
if isinstance(obj, FileDescriptor):
lines.append("**Return type:** :class:`~django.db.models.fields.files.FieldFile`")
elif PhoneNumberDescriptor is not None and isinstance(obj, PhoneNumberDescriptor):
lines.append("**Return type:** :class:`~phonenumber_field.phonenumber.PhoneNumber`")
elif isinstance(obj, related_descriptors.ForwardManyToOneDescriptor):
# Display a reasonable output for forward descriptors.
related_model = obj.field.remote_field.model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the :class:`~{cls_path}` model.".format(
label=obj.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, related_descriptors.ReverseOneToOneDescriptor):
related_model = obj.related.related_model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the :class:`~{cls_path}` model.".format(
label=obj.related.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, related_descriptors.ReverseManyToOneDescriptor):
related_model = obj.rel.related_model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the M2M :class:`~{cls_path}` model.".format(
label=obj.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, (models.Manager, ManagerDescriptor)):
# Somehow the 'objects' manager doesn't pass through the docstrings.
module, cls_name, field_name = name.rsplit('.', 2)
lines.append("Django manager to access the ORM")
tpl = "Use ``{cls_name}.objects.all()`` to fetch all objects."
lines.append(tpl.format(cls_name=cls_name)) | python | def _improve_attribute_docs(obj, name, lines):
"""Improve the documentation of various attributes.
This improves the navigation between related objects.
:param obj: the instance of the object to document.
:param name: full dotted path to the object.
:param lines: expected documentation lines.
"""
if obj is None:
# Happens with form attributes.
return
if isinstance(obj, DeferredAttribute):
# This only points to a field name, not a field.
# Get the field by importing the name.
cls_path, field_name = name.rsplit('.', 1)
model = import_string(cls_path)
field = model._meta.get_field(obj.field_name)
del lines[:] # lines.clear() is Python 3 only
lines.append("**Model field:** {label}".format(
label=field.verbose_name
))
elif isinstance(obj, _FIELD_DESCRIPTORS):
# These
del lines[:]
lines.append("**Model field:** {label}".format(
label=obj.field.verbose_name
))
if isinstance(obj, FileDescriptor):
lines.append("**Return type:** :class:`~django.db.models.fields.files.FieldFile`")
elif PhoneNumberDescriptor is not None and isinstance(obj, PhoneNumberDescriptor):
lines.append("**Return type:** :class:`~phonenumber_field.phonenumber.PhoneNumber`")
elif isinstance(obj, related_descriptors.ForwardManyToOneDescriptor):
# Display a reasonable output for forward descriptors.
related_model = obj.field.remote_field.model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the :class:`~{cls_path}` model.".format(
label=obj.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, related_descriptors.ReverseOneToOneDescriptor):
related_model = obj.related.related_model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the :class:`~{cls_path}` model.".format(
label=obj.related.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, related_descriptors.ReverseManyToOneDescriptor):
related_model = obj.rel.related_model
if isinstance(related_model, str):
cls_path = related_model
else:
cls_path = "{}.{}".format(related_model.__module__, related_model.__name__)
del lines[:]
lines.append("**Model field:** {label}, "
"accesses the M2M :class:`~{cls_path}` model.".format(
label=obj.field.verbose_name, cls_path=cls_path
))
elif isinstance(obj, (models.Manager, ManagerDescriptor)):
# Somehow the 'objects' manager doesn't pass through the docstrings.
module, cls_name, field_name = name.rsplit('.', 2)
lines.append("Django manager to access the ORM")
tpl = "Use ``{cls_name}.objects.all()`` to fetch all objects."
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