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def reduce(func):
"""Wrap a reduce function to Pipe object. Reduce function is a function
with at least two arguments. It works like built-in reduce function.
It takes first argument for accumulated result, second argument for
the new data to process. A keyword-based argument named 'init' is
optional. If init is provided, it is used for the initial value of
accumulated result. Or, the initial value is None.
The first argument is the data to be converted. The return data from
filter function should be a boolean value. If true, data can pass.
Otherwise, data is omitted.
:param func: The filter function to be wrapped.
:type func: function object
:param args: The default arguments to be used for filter function.
:param kw: The default keyword arguments to be used for filter function.
:returns: Pipe object
"""
def wrapper(prev, *argv, **kw):
accum_value = None if 'init' not in kw else kw.pop('init')
if prev is None:
raise TypeError('A reducer must have input.')
for i in prev:
accum_value = func(accum_value, i, *argv, **kw)
yield accum_value
return Pipe(wrapper) |
def stopper(func):
"""Wrap a conditoinal function(stopper function) to Pipe object.
wrapped function should return boolean value. The cascading pipe will
stop the execution if wrapped function return True.
Stopper is useful if you have unlimited number of input data.
:param func: The conditoinal function to be wrapped.
:type func: function object
:param args: The default arguments to be used for wrapped function.
:param kw: The default keyword arguments to be used for wrapped function.
:returns: Pipe object
"""
def wrapper(prev, *argv, **kw):
if prev is None:
raise TypeError('A stopper must have input.')
for i in prev:
if func(i, *argv, **kw):
break
yield i
return Pipe(wrapper) |
def _list_networks():
"""Return a dictionary of network name to active status bools.
Sample virsh net-list output::
Name State Autostart
-----------------------------------------
default active yes
juju-test inactive no
foobar inactive no
Parsing the above would return::
{"default": True, "juju-test": False, "foobar": False}
See: http://goo.gl/kXwfC
"""
output = core.run("virsh net-list --all")
networks = {}
# Take the header off and normalize whitespace.
net_lines = [n.strip() for n in output.splitlines()[2:]]
for line in net_lines:
if not line:
continue
name, state, auto = line.split()
networks[name] = state == "active"
return networks |
def flush(self, line):
"""flush the line to stdout"""
# TODO -- maybe use echo?
sys.stdout.write(line)
sys.stdout.flush() |
def execute(self, arg_str='', **kwargs):
"""runs the passed in arguments and returns an iterator on the output of
running command"""
cmd = "{} {} {}".format(self.cmd_prefix, self.script, arg_str)
expected_ret_code = kwargs.pop('code', 0)
# any kwargs with all capital letters should be considered environment
# variables
environ = self.environ
for k in list(kwargs.keys()):
if k.isupper():
environ[k] = kwargs.pop(k)
# we will allow overriding of these values
kwargs.setdefault("stderr", subprocess.STDOUT)
# we will not allow these to be overridden via kwargs
kwargs["shell"] = True
kwargs["stdout"] = subprocess.PIPE
kwargs["cwd"] = self.cwd
kwargs["env"] = environ
process = None
self.buf = deque(maxlen=self.bufsize)
try:
process = subprocess.Popen(
cmd,
**kwargs
)
# another round of links
# http://stackoverflow.com/a/17413045/5006 (what I used)
# http://stackoverflow.com/questions/2715847/
for line in iter(process.stdout.readline, b""):
line = line.decode(self.encoding)
self.buf.append(line.rstrip())
yield line
process.wait()
if process.returncode != expected_ret_code:
if process.returncode > 0:
raise RuntimeError("{} returned {} with output: {}".format(
cmd,
process.returncode,
self.output
))
except subprocess.CalledProcessError as e:
if e.returncode != expected_ret_code:
raise RuntimeError("{} returned {} with output: {}".format(
cmd,
e.returncode,
self.output
))
finally:
if process:
process.stdout.close() |
def get_request_subfields(root):
"""Build a basic 035 subfield with basic information from the OAI-PMH request.
:param root: ElementTree root node
:return: list of subfield tuples [(..),(..)]
"""
request = root.find('request')
responsedate = root.find('responseDate')
subs = [("9", request.text),
("h", responsedate.text),
("m", request.attrib["metadataPrefix"])]
return subs |
def strip_xml_namespace(root):
"""Strip out namespace data from an ElementTree.
This function is recursive and will traverse all
subnodes to the root element
@param root: the root element
@return: the same root element, minus namespace
"""
try:
root.tag = root.tag.split('}')[1]
except IndexError:
pass
for element in root.getchildren():
strip_xml_namespace(element) |
def element_tree_collection_to_records(tree):
"""Take an ElementTree and converts the nodes into BibRecord records.
This function is for a tree root of collection as such:
<collection>
<record>
<!-- MARCXML -->
</record>
<record> ... </record>
</collection>
"""
from .bibrecord import create_record
records = []
collection = tree.getroot()
for record_element in collection.getchildren():
marcxml = ET.tostring(record_element, encoding="utf-8")
record, status, errors = create_record(marcxml)
if errors:
print(str(status))
records.append(record)
return records |
def element_tree_oai_records(tree, header_subs=None):
"""Take an ElementTree and converts the nodes into BibRecord records.
This expects a clean OAI response with the tree root as ListRecords
or GetRecord and record as the subtag like so:
<ListRecords|GetRecord>
<record>
<header>
<!-- Record Information -->
</header>
<metadata>
<record>
<!-- MARCXML -->
</record>
</metadata>
</record>
<record> ... </record>
</ListRecords|GetRecord>
:param tree: ElementTree object corresponding to GetRecord node from
OAI request
:param header_subs: OAI header subfields, if any
:yield: (record, is_deleted) A tuple, with first a BibRecord found and
second a boolean value saying if this is a deleted record or not.
"""
from .bibrecord import record_add_field, create_record
if not header_subs:
header_subs = []
# Make it a tuple, this information should not be changed
header_subs = tuple(header_subs)
oai_records = tree.getroot()
for record_element in oai_records.getchildren():
header = record_element.find('header')
# Add to OAI subfield
datestamp = header.find('datestamp')
identifier = header.find('identifier')
identifier = identifier.text
# The record's subfield is based on header information
subs = list(header_subs)
subs.append(("a", identifier))
subs.append(("d", datestamp.text))
if "status" in header.attrib and header.attrib["status"] == "deleted":
# Record was deleted - create delete record
deleted_record = {}
record_add_field(deleted_record, "037", subfields=subs)
yield deleted_record, True
else:
marc_root = record_element.find('metadata').find('record')
marcxml = ET.tostring(marc_root, encoding="utf-8")
record, status, errors = create_record(marcxml)
if status == 1:
# Add OAI request information
record_add_field(record, "035", subfields=subs)
yield record, False |
def run(app=None,
server='wsgiref',
host='127.0.0.1',
port=8080,
interval=1,
reloader=False,
quiet=False,
plugins=None,
debug=None, **kargs):
""" Start a server instance. This method blocks until the server terminates.
:param app: WSGI application or target string supported by
:func:`load_app`. (default: :func:`default_app`)
:param server: Server adapter to use. See :data:`server_names` keys
for valid names or pass a :class:`ServerAdapter` subclass.
(default: `wsgiref`)
:param host: Server address to bind to. Pass ``0.0.0.0`` to listens on
all interfaces including the external one. (default: 127.0.0.1)
:param port: Server port to bind to. Values below 1024 require root
privileges. (default: 8080)
:param reloader: Start auto-reloading server? (default: False)
:param interval: Auto-reloader interval in seconds (default: 1)
:param quiet: Suppress output to stdout and stderr? (default: False)
:param options: Options passed to the server adapter.
"""
if NORUN: return
if reloader and not os.environ.get('BOTTLE_CHILD'):
import subprocess
lockfile = None
try:
fd, lockfile = tempfile.mkstemp(prefix='bottle.', suffix='.lock')
os.close(fd) # We only need this file to exist. We never write to it
while os.path.exists(lockfile):
args = [sys.executable] + sys.argv
environ = os.environ.copy()
environ['BOTTLE_CHILD'] = 'true'
environ['BOTTLE_LOCKFILE'] = lockfile
p = subprocess.Popen(args, env=environ)
while p.poll() is None: # Busy wait...
os.utime(lockfile, None) # I am alive!
time.sleep(interval)
if p.poll() != 3:
if os.path.exists(lockfile): os.unlink(lockfile)
sys.exit(p.poll())
except KeyboardInterrupt:
pass
finally:
if os.path.exists(lockfile):
os.unlink(lockfile)
return
try:
if debug is not None: _debug(debug)
app = app or default_app()
if isinstance(app, basestring):
app = load_app(app)
if not callable(app):
raise ValueError("Application is not callable: %r" % app)
for plugin in plugins or []:
if isinstance(plugin, basestring):
plugin = load(plugin)
app.install(plugin)
if server in server_names:
server = server_names.get(server)
if isinstance(server, basestring):
server = load(server)
if isinstance(server, type):
server = server(host=host, port=port, **kargs)
if not isinstance(server, ServerAdapter):
raise ValueError("Unknown or unsupported server: %r" % server)
server.quiet = server.quiet or quiet
if not server.quiet:
_stderr("Bottle v%s server starting up (using %s)...\n" %
(__version__, repr(server)))
_stderr("Listening on http://%s:%d/\n" %
(server.host, server.port))
_stderr("Hit Ctrl-C to quit.\n\n")
if reloader:
lockfile = os.environ.get('BOTTLE_LOCKFILE')
bgcheck = FileCheckerThread(lockfile, interval)
with bgcheck:
server.run(app)
if bgcheck.status == 'reload':
sys.exit(3)
else:
server.run(app)
except KeyboardInterrupt:
pass
except (SystemExit, MemoryError):
raise
except:
if not reloader: raise
if not getattr(server, 'quiet', quiet):
print_exc()
time.sleep(interval)
sys.exit(3) |
def load_dict(self, source, namespace=''):
""" Load values from a dictionary structure. Nesting can be used to
represent namespaces.
>>> c = ConfigDict()
>>> c.load_dict({'some': {'namespace': {'key': 'value'} } })
{'some.namespace.key': 'value'}
"""
for key, value in source.items():
if isinstance(key, str):
nskey = (namespace + '.' + key).strip('.')
if isinstance(value, dict):
self.load_dict(value, namespace=nskey)
else:
self[nskey] = value
else:
raise TypeError('Key has type %r (not a string)' % type(key))
return self |
def json(request, *args, **kwargs):
"""
The oembed endpoint, or the url to which requests for metadata are passed.
Third parties will want to access this view with URLs for your site's
content and be returned OEmbed metadata.
"""
# coerce to dictionary
params = dict(request.GET.items())
callback = params.pop('callback', None)
url = params.pop('url', None)
if not url:
return HttpResponseBadRequest('Required parameter missing: URL')
try:
provider = oembed.site.provider_for_url(url)
if not provider.provides:
raise OEmbedMissingEndpoint()
except OEmbedMissingEndpoint:
raise Http404('No provider found for %s' % url)
query = dict([(smart_str(k), smart_str(v)) for k, v in params.items() if v])
try:
resource = oembed.site.embed(url, **query)
except OEmbedException, e:
raise Http404('Error embedding %s: %s' % (url, str(e)))
response = HttpResponse(mimetype='application/json')
json = resource.json
if callback:
response.write('%s(%s)' % (defaultfilters.force_escape(callback), json))
else:
response.write(json)
return response |
def consume_json(request):
"""
Extract and return oembed content for given urls.
Required GET params:
urls - list of urls to consume
Optional GET params:
width - maxwidth attribute for oembed content
height - maxheight attribute for oembed content
template_dir - template_dir to use when rendering oembed
Returns:
list of dictionaries with oembed metadata and renderings, json encoded
"""
client = OEmbedConsumer()
urls = request.GET.getlist('urls')
width = request.GET.get('width')
height = request.GET.get('height')
template_dir = request.GET.get('template_dir')
output = {}
ctx = RequestContext(request)
for url in urls:
try:
provider = oembed.site.provider_for_url(url)
except OEmbedMissingEndpoint:
oembeds = None
rendered = None
else:
oembeds = url
rendered = client.parse_text(url, width, height, context=ctx, template_dir=template_dir)
output[url] = {
'oembeds': oembeds,
'rendered': rendered,
}
return HttpResponse(simplejson.dumps(output), mimetype='application/json') |
def oembed_schema(request):
"""
A site profile detailing valid endpoints for a given domain. Allows for
better auto-discovery of embeddable content.
OEmbed-able content lives at a URL that maps to a provider.
"""
current_domain = Site.objects.get_current().domain
url_schemes = [] # a list of dictionaries for all the urls we can match
endpoint = reverse('oembed_json') # the public endpoint for our oembeds
providers = oembed.site.get_providers()
for provider in providers:
# first make sure this provider class is exposed at the public endpoint
if not provider.provides:
continue
match = None
if isinstance(provider, DjangoProvider):
# django providers define their regex_list by using urlreversing
url_pattern = resolver.reverse_dict.get(provider._meta.named_view)
# this regex replacement is set to be non-greedy, which results
# in things like /news/*/*/*/*/ -- this is more explicit
if url_pattern:
regex = re.sub(r'%\(.+?\)s', '*', url_pattern[0][0][0])
match = 'http://%s/%s' % (current_domain, regex)
elif isinstance(provider, HTTPProvider):
match = provider.url_scheme
else:
match = provider.regex
if match:
url_schemes.append({
'type': provider.resource_type,
'matches': match,
'endpoint': endpoint
})
url_schemes.sort(key=lambda item: item['matches'])
response = HttpResponse(mimetype='application/json')
response.write(simplejson.dumps(url_schemes))
return response |
def find_meta(*meta_file_parts, meta_key):
"""Extract __*meta*__ from meta_file."""
meta_file = read(*meta_file_parts)
meta_match = re.search(r"^__{}__ = ['\"]([^'\"]*)['\"]".format(meta_key),
meta_file, re.M)
if meta_match:
return meta_match.group(1)
raise RuntimeError("Unable to find __{}__ string.".format(meta_key)) |
def main(path):
'''scan path directory and any subdirectories for valid captain scripts'''
basepath = os.path.abspath(os.path.expanduser(str(path)))
echo.h2("Available scripts in {}".format(basepath))
echo.br()
for root_dir, dirs, files in os.walk(basepath, topdown=True):
for f in fnmatch.filter(files, '*.py'):
try:
filepath = os.path.join(root_dir, f)
# super edge case, this makes sure the python script won't start
# an interactive console session which would cause the session
# to start and not allow the for loop to complete
with open(filepath, encoding="UTF-8") as fp:
body = fp.read()
is_console = "InteractiveConsole" in body
is_console = is_console or "code" in body
is_console = is_console and "interact(" in body
if is_console:
continue
s = captain.Script(filepath)
if s.can_run_from_cli():
rel_filepath = s.call_path(basepath)
p = s.parser
echo.h3(rel_filepath)
desc = p.description
if desc:
echo.indent(desc, indent=(" " * 4))
subcommands = s.subcommands
if subcommands:
echo.br()
echo.indent("Subcommands:", indent=(" " * 4))
for sc in subcommands.keys():
echo.indent(sc, indent=(" " * 6))
echo.br()
except captain.ParseError:
pass
except Exception as e:
#echo.exception(e)
#echo.err("Failed to parse {} because {}", f, e.message)
echo.err("Failed to parse {}", f)
echo.verbose(e.message)
echo.br() |
def get_rate(self, zipcode, city=None, state=None, multiple_rates=False):
"""
Finds sales tax for given info.
Returns Decimal of the tax rate, e.g. 8.750.
"""
data = self.make_request_data(zipcode, city, state)
r = requests.get(self.url, params=data)
resp = r.json()
return self.process_response(resp, multiple_rates) |
def make_request_data(self, zipcode, city, state):
""" Make the request params given location data """
data = {'key': self.api_key,
'postalcode': str(zipcode),
'city': city,
'state': state
}
data = ZipTaxClient._clean_request_data(data)
return data |
def process_response(self, resp, multiple_rates):
""" Get the tax rate from the ZipTax response """
self._check_for_exceptions(resp, multiple_rates)
rates = {}
for result in resp['results']:
rate = ZipTaxClient._cast_tax_rate(result['taxSales'])
rates[result['geoCity']] = rate
if not multiple_rates:
return rates[list(rates.keys())[0]]
return rates |
def _check_for_exceptions(self, resp, multiple_rates):
""" Check if there are exceptions that should be raised """
if resp['rCode'] != 100:
raise exceptions.get_exception_for_code(resp['rCode'])(resp)
results = resp['results']
if len(results) == 0:
raise exceptions.ZipTaxNoResults('No results found')
if len(results) > 1 and not multiple_rates:
# It's fine if all the taxes are the same
rates = [result['taxSales'] for result in results]
if len(set(rates)) != 1:
raise exceptions.ZipTaxMultipleResults('Multiple results found but requested only one') |
def get_all_text(node):
"""Recursively extract all text from node."""
if node.nodeType == node.TEXT_NODE:
return node.data
else:
text_string = ""
for child_node in node.childNodes:
text_string += get_all_text(child_node)
return text_string |
def _extract_packages(self):
"""
Extract a package in a new temporary directory.
"""
self.path_unpacked = mkdtemp(prefix="scoap3_package_",
dir=CFG_TMPSHAREDDIR)
for path in self.retrieved_packages_unpacked:
scoap3utils_extract_package(path, self.path_unpacked, self.logger)
return self.path_unpacked |
def register(self, provider_class):
"""
Registers a provider with the site.
"""
if not issubclass(provider_class, BaseProvider):
raise TypeError('%s is not a subclass of BaseProvider' % provider_class.__name__)
if provider_class in self._registered_providers:
raise AlreadyRegistered('%s is already registered' % provider_class.__name__)
if issubclass(provider_class, DjangoProvider):
# set up signal handler for cache invalidation
signals.post_save.connect(
self.invalidate_stored_oembeds,
sender=provider_class._meta.model
)
# don't build the regex yet - if not all urlconfs have been loaded
# and processed at this point, the DjangoProvider instances will fail
# when attempting to reverse urlpatterns that haven't been created.
# Rather, the regex-list will be populated once, on-demand.
self._registered_providers.append(provider_class)
# flag for re-population
self.invalidate_providers() |
def unregister(self, provider_class):
"""
Unregisters a provider from the site.
"""
if not issubclass(provider_class, BaseProvider):
raise TypeError('%s must be a subclass of BaseProvider' % provider_class.__name__)
if provider_class not in self._registered_providers:
raise NotRegistered('%s is not registered' % provider_class.__name__)
self._registered_providers.remove(provider_class)
# flag for repopulation
self.invalidate_providers() |
def populate(self):
"""
Populate the internal registry's dictionary with the regexes for each
provider instance
"""
self._registry = {}
for provider_class in self._registered_providers:
instance = provider_class()
self._registry[instance] = instance.regex
for stored_provider in StoredProvider.objects.active():
self._registry[stored_provider] = stored_provider.regex
self._populated = True |
def provider_for_url(self, url):
"""
Find the right provider for a URL
"""
for provider, regex in self.get_registry().items():
if re.match(regex, url) is not None:
return provider
raise OEmbedMissingEndpoint('No endpoint matches URL: %s' % url) |
def invalidate_stored_oembeds(self, sender, instance, created, **kwargs):
"""
A hook for django-based oembed providers to delete any stored oembeds
"""
ctype = ContentType.objects.get_for_model(instance)
StoredOEmbed.objects.filter(
object_id=instance.pk,
content_type=ctype).delete() |
def embed(self, url, **kwargs):
"""
The heart of the matter
"""
try:
# first figure out the provider
provider = self.provider_for_url(url)
except OEmbedMissingEndpoint:
raise
else:
try:
# check the database for a cached response, because of certain
# race conditions that exist with get_or_create(), do a filter
# lookup and just grab the first item
stored_match = StoredOEmbed.objects.filter(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None),
date_expires__gte=datetime.datetime.now())[0]
return OEmbedResource.create_json(stored_match.response_json)
except IndexError:
# query the endpoint and cache response in db
# prevent None from being passed in as a GET param
params = dict([(k, v) for k, v in kwargs.items() if v])
# request an oembed resource for the url
resource = provider.request_resource(url, **params)
try:
cache_age = int(resource.cache_age)
if cache_age < MIN_OEMBED_TTL:
cache_age = MIN_OEMBED_TTL
except:
cache_age = DEFAULT_OEMBED_TTL
date_expires = datetime.datetime.now() + datetime.timedelta(seconds=cache_age)
stored_oembed, created = StoredOEmbed.objects.get_or_create(
match=url,
maxwidth=kwargs.get('maxwidth', None),
maxheight=kwargs.get('maxheight', None))
stored_oembed.response_json = resource.json
stored_oembed.resource_type = resource.type
stored_oembed.date_expires = date_expires
if resource.content_object:
stored_oembed.content_object = resource.content_object
stored_oembed.save()
return resource |
def autodiscover(self, url):
"""
Load up StoredProviders from url if it is an oembed scheme
"""
headers, response = fetch_url(url)
if headers['content-type'].split(';')[0] in ('application/json', 'text/javascript'):
provider_data = json.loads(response)
return self.store_providers(provider_data) |
def store_providers(self, provider_data):
"""
Iterate over the returned json and try to sort out any new providers
"""
if not hasattr(provider_data, '__iter__'):
raise OEmbedException('Autodiscovered response not iterable')
provider_pks = []
for provider in provider_data:
if 'endpoint' not in provider or \
'matches' not in provider:
continue
resource_type = provider.get('type')
if resource_type not in RESOURCE_TYPES:
continue
stored_provider, created = StoredProvider.objects.get_or_create(
wildcard_regex=provider['matches']
)
if created:
stored_provider.endpoint_url = relative_to_full(
provider['endpoint'],
provider['matches']
)
stored_provider.resource_type = resource_type
stored_provider.save()
provider_pks.append(stored_provider.pk)
return StoredProvider.objects.filter(pk__in=provider_pks) |
def request_resource(self, url, **kwargs):
"""
Request an OEmbedResource for a given url. Some valid keyword args:
- format
- maxwidth
- maxheight
"""
params = kwargs
params['url'] = url
params['format'] = 'json'
if '?' in self.endpoint_url:
url_with_qs = '%s&%s' % (self.endpoint_url.rstrip('&'), urlencode(params))
else:
url_with_qs = "%s?%s" % (self.endpoint_url, urlencode(params))
headers, raw_response = self._fetch(url_with_qs)
resource = self.convert_to_resource(headers, raw_response, params)
return resource |
def _image_field(self):
"""
Try to automatically detect an image field
"""
for field in self.model._meta.fields:
if isinstance(field, ImageField):
return field.name |
def _date_field(self):
"""
Try to automatically detect an image field
"""
for field in self.model._meta.fields:
if isinstance(field, (DateTimeField, DateField)):
return field.name |
def _build_regex(self):
"""
Performs a reverse lookup on a named view and generates
a list of regexes that match that object. It generates
regexes with the domain name included, using sites provided
by the get_sites() method.
>>> regex = provider.regex
>>> regex.pattern
'http://(www2.kusports.com|www2.ljworld.com|www.lawrence.com)/photos/(?P<year>\\d{4})/(?P<month>\\w{3})/(?P<day>\\d{1,2})/(?P<object_id>\\d+)/$'
"""
# get the regexes from the urlconf
url_patterns = resolver.reverse_dict.get(self._meta.named_view)
try:
regex = url_patterns[1]
except TypeError:
raise OEmbedException('Error looking up %s' % self._meta.named_view)
# get a list of normalized domains
cleaned_sites = self.get_cleaned_sites()
site_regexes = []
for site in self.get_sites():
site_regexes.append(cleaned_sites[site.pk][0])
# join the sites together with the regex 'or'
sites = '|'.join(site_regexes)
# create URL-matching regexes for sites
regex = re.compile('(%s)/%s' % (sites, regex))
return regex |
def provider_from_url(self, url):
"""
Given a URL for any of our sites, try and match it to one, returning
the domain & name of the match. If no match is found, return current.
Returns a tuple of domain, site name -- used to determine 'provider'
"""
domain = get_domain(url)
site_tuples = self.get_cleaned_sites().values()
for domain_re, name, normalized_domain in site_tuples:
if re.match(domain_re, domain):
return normalized_domain, name
site = Site.objects.get_current()
return site.domain, site.name |
def get_params(self, url):
"""
Extract the named parameters from a url regex. If the url regex does not contain
named parameters, they will be keyed _0, _1, ...
* Named parameters
Regex:
/photos/^(?P<year>\d{4})/(?P<month>\w{3})/(?P<day>\d{1,2})/(?P<object_id>\d+)/
URL:
http://www2.ljworld.com/photos/2009/oct/11/12345/
Return Value:
{u'day': '11', u'month': 'oct', u'object_id': '12345', u'year': '2009'}
* Unnamed parameters
Regex:
/blah/([\w-]+)/(\d+)/
URL:
http://www.example.com/blah/hello/123/
Return Value:
{u'_0': 'hello', u'_1': '123'}
"""
match = re.match(self.regex, url)
if match is not None:
params = match.groupdict()
if not params:
params = {}
for i, group in enumerate(match.groups()[1:]):
params['_%s' % i] = group
return params
raise OEmbedException('No regex matched the url %s' % (url)) |
def get_object(self, url):
"""
Fields to match is a mapping of url params to fields, so for
the photos example above, it would be:
fields_to_match = { 'object_id': 'id' }
This procedure parses out named params from a URL and then uses
the fields_to_match dictionary to generate a query.
"""
params = self.get_params(url)
query = {}
for key, value in self._meta.fields_to_match.iteritems():
try:
query[value] = params[key]
except KeyError:
raise OEmbedException('%s was not found in the urlpattern parameters. Valid names are: %s' % (key, ', '.join(params.keys())))
try:
obj = self.get_queryset().get(**query)
except self._meta.model.DoesNotExist:
raise OEmbedException('Requested object not found')
return obj |
def render_html(self, obj, context=None):
"""
Generate the 'html' attribute of an oembed resource using a template.
Sort of a corollary to the parser's render_oembed method. By default,
the current mapping will be passed in as the context.
OEmbed templates are stored in:
oembed/provider/[app_label]_[model].html
-- or --
oembed/provider/media_video.html
"""
provided_context = context or Context()
context = RequestContext(mock_request())
context.update(provided_context)
context.push()
context[self._meta.context_varname] = obj
rendered = render_to_string(self._meta.template_name, context)
context.pop()
return rendered |
def map_attr(self, mapping, attr, obj):
"""
A kind of cheesy method that allows for callables or attributes to
be used interchangably
"""
if attr not in mapping and hasattr(self, attr):
if not callable(getattr(self, attr)):
mapping[attr] = getattr(self, attr)
else:
mapping[attr] = getattr(self, attr)(obj) |
def get_image(self, obj):
"""
Return an ImageFileField instance
"""
if self._meta.image_field:
return getattr(obj, self._meta.image_field) |
def resize(self, image_field, new_width=None, new_height=None):
"""
Resize an image to the 'best fit' width & height, maintaining
the scale of the image, so a 500x500 image sized to 300x400
will actually be scaled to 300x300.
Params:
image: ImageFieldFile to be resized (i.e. model.image_field)
new_width & new_height: desired maximums for resizing
Returns:
the url to the new image and the new width & height
(http://path-to-new-image, 300, 300)
"""
if isinstance(image_field, ImageFieldFile) and \
image_field.field.width_field and \
image_field.field.height_field:
# use model fields
current_width = getattr(image_field.instance, image_field.field.width_field)
current_height = getattr(image_field.instance, image_field.field.height_field)
else:
# use PIL
try:
file_obj = storage.default_storage.open(image_field.name, 'rb')
img_obj = Image.open(file_obj)
current_width, current_height = img_obj.size
except IOError:
return (image_field.url, 0, 0)
# determine if resizing needs to be done (will not scale up)
if current_width < new_width:
if not new_height or current_height < new_height:
return (image_field.url, current_width, current_height)
# calculate ratios
new_width, new_height = scale(current_width, current_height, new_width, new_height)
# use the image_processor defined in the settings, or PIL by default
return self._meta.image_processor.resize(image_field, new_width, new_height) |
def map_to_dictionary(self, url, obj, **kwargs):
"""
Build a dictionary of metadata for the requested object.
"""
maxwidth = kwargs.get('maxwidth', None)
maxheight = kwargs.get('maxheight', None)
provider_url, provider_name = self.provider_from_url(url)
mapping = {
'version': '1.0',
'url': url,
'provider_name': provider_name,
'provider_url': provider_url,
'type': self.resource_type
}
# a hook
self.preprocess(obj, mapping, **kwargs)
# resize image if we have a photo, otherwise use the given maximums
if self.resource_type == 'photo' and self.get_image(obj):
self.resize_photo(obj, mapping, maxwidth, maxheight)
elif self.resource_type in ('video', 'rich', 'photo'):
width, height = size_to_nearest(
maxwidth,
maxheight,
self._meta.valid_sizes,
self._meta.force_fit
)
mapping.update(width=width, height=height)
# create a thumbnail
if self.get_image(obj):
self.thumbnail(obj, mapping)
# map attributes to the mapping dictionary. if the attribute is
# a callable, it must have an argument signature of
# (self, obj)
for attr in ('title', 'author_name', 'author_url', 'html'):
self.map_attr(mapping, attr, obj)
# fix any urls
if 'url' in mapping:
mapping['url'] = relative_to_full(mapping['url'], url)
if 'thumbnail_url' in mapping:
mapping['thumbnail_url'] = relative_to_full(mapping['thumbnail_url'], url)
if 'html' not in mapping and mapping['type'] in ('video', 'rich'):
mapping['html'] = self.render_html(obj, context=Context(mapping))
# a hook
self.postprocess(obj, mapping, **kwargs)
return mapping |
def request_resource(self, url, **kwargs):
"""
Request an OEmbedResource for a given url. Some valid keyword args:
- format
- maxwidth
- maxheight
"""
obj = self.get_object(url)
mapping = self.map_to_dictionary(url, obj, **kwargs)
resource = OEmbedResource.create(mapping)
resource.content_object = obj
return resource |
def get_object(self, url, month_format='%b', day_format='%d'):
"""
Parses the date from a url and uses it in the query. For objects which
are unique for date.
"""
params = self.get_params(url)
try:
year = params[self._meta.year_part]
month = params[self._meta.month_part]
day = params[self._meta.day_part]
except KeyError:
try:
# named lookups failed, so try to get the date using the first
# three parameters
year, month, day = params['_0'], params['_1'], params['_2']
except KeyError:
raise OEmbedException('Error extracting date from url parameters')
try:
tt = time.strptime('%s-%s-%s' % (year, month, day),
'%s-%s-%s' % ('%Y', month_format, day_format))
date = datetime.date(*tt[:3])
except ValueError:
raise OEmbedException('Error parsing date from: %s' % url)
# apply the date-specific lookups
if isinstance(self._meta.model._meta.get_field(self._meta.date_field), DateTimeField):
min_date = datetime.datetime.combine(date, datetime.time.min)
max_date = datetime.datetime.combine(date, datetime.time.max)
query = {'%s__range' % self._meta.date_field: (min_date, max_date)}
else:
query = {self._meta.date_field: date}
# apply the regular search lookups
for key, value in self._meta.fields_to_match.iteritems():
try:
query[value] = params[key]
except KeyError:
raise OEmbedException('%s was not found in the urlpattern parameters. Valid names are: %s' % (key, ', '.join(params.keys())))
try:
obj = self.get_queryset().get(**query)
except self._meta.model.DoesNotExist:
raise OEmbedException('Requested object not found')
return obj |
def get_record(self):
"""Override the base."""
self.recid = self.get_recid()
self.remove_controlfields()
self.update_system_numbers()
self.add_systemnumber("Inspire", recid=self.recid)
self.add_control_number("003", "SzGeCERN")
self.update_collections()
self.update_languages()
self.update_reportnumbers()
self.update_authors()
self.update_journals()
self.update_subject_categories("INSPIRE", "SzGeCERN", "categories_cds")
self.update_pagenumber()
self.update_notes()
self.update_experiments()
self.update_isbn()
self.update_dois()
self.update_links_and_ffts()
self.update_date()
self.update_date_year()
self.update_hidden_notes()
self.update_oai_info()
self.update_cnum()
self.update_conference_info()
self.fields_list = [
"909", "541", "961",
"970", "690", "695",
"981",
]
self.strip_fields()
if "ANNOUNCEMENT" in self.collections:
self.update_conference_111()
self.update_conference_links()
record_add_field(self.record, "690", ind1="C", subfields=[("a", "CONFERENCE")])
if "THESIS" in self.collections:
self.update_thesis_information()
self.update_thesis_supervisors()
if "PROCEEDINGS" in self.collections:
# Special proceeding syntax
self.update_title_to_proceeding()
self.update_author_to_proceeding()
record_add_field(self.record, "690", ind1="C", subfields=[("a", "CONFERENCE")])
# 690 tags
if self.tag_as_cern:
record_add_field(self.record, "690", ind1="C", subfields=[("a", "CERN")])
return self.record |
def update_oai_info(self):
"""Add the 909 OAI info to 035."""
for field in record_get_field_instances(self.record, '909', ind1="C", ind2="O"):
new_subs = []
for tag, value in field[0]:
if tag == "o":
new_subs.append(("a", value))
else:
new_subs.append((tag, value))
if value in ["CERN", "CDS", "ForCDS"]:
self.tag_as_cern = True
record_add_field(self.record, '024', ind1="8", subfields=new_subs)
record_delete_fields(self.record, '909') |
def update_cnum(self):
"""Check if we shall add cnum in 035."""
if "ConferencePaper" not in self.collections:
cnums = record_get_field_values(self.record, '773', code="w")
for cnum in cnums:
cnum_subs = [
("9", "INSPIRE-CNUM"),
("a", cnum)
]
record_add_field(self.record, "035", subfields=cnum_subs) |
def update_hidden_notes(self):
"""Remove hidden notes and tag a CERN if detected."""
if not self.tag_as_cern:
notes = record_get_field_instances(self.record,
tag="595")
for field in notes:
for dummy, value in field[0]:
if value == "CDS":
self.tag_as_cern = True
record_delete_fields(self.record, tag="595") |
def update_system_numbers(self):
"""035 Externals."""
scn_035_fields = record_get_field_instances(self.record, '035')
new_fields = []
for field in scn_035_fields:
subs = field_get_subfields(field)
if '9' in subs:
if subs['9'][0].lower() == "cds" and subs.get('a'):
self.add_control_number("001", subs.get('a')[0])
if subs['9'][0].lower() in ["inspire", "spirestex", "inspiretex", "desy", "cds"]:
continue
new_fields.append(field_get_subfield_instances(field))
record_delete_fields(self.record, tag="035")
for field in new_fields:
record_add_field(self.record, tag="035", subfields=field) |
def update_collections(self):
"""Try to determine which collections this record should belong to."""
for value in record_get_field_values(self.record, '980', code='a'):
if 'NOTE' in value.upper():
self.collections.add('NOTE')
if 'THESIS' in value.upper():
self.collections.add('THESIS')
if 'PUBLISHED' in value.upper():
self.collections.add('ARTICLE')
if 'CONFERENCES' in value.upper():
self.collections.add('ANNOUNCEMENT')
if 'PROCEEDINGS' in value.upper():
self.collections.add('PROCEEDINGS')
elif 'CONFERENCEPAPER' in value.upper() and \
"ConferencePaper" not in self.collections:
self.collections.add('ConferencePaper')
if self.is_published() and "ARTICLE" not in self.collections:
self.collections.add('ARTICLE')
else:
self.collections.add('PREPRINT')
if "HIDDEN" in value.upper():
self.hidden = True
# Clear out any existing ones.
record_delete_fields(self.record, "980")
if not self.collections:
self.collections.add('PREPRINT')
for collection in self.collections:
record_add_field(self.record,
tag='980',
subfields=[('a', collection)])
if collection in self.collection_base:
subs = [('a', self.collection_base[collection])]
record_add_field(self.record,
tag='960',
subfields=subs) |
def update_notes(self):
"""Remove INSPIRE specific notes."""
fields = record_get_field_instances(self.record, '500')
for field in fields:
subs = field_get_subfields(field)
for sub in subs.get('a', []):
sub = sub.strip() # remove any spaces before/after
if sub.startswith("*") and sub.endswith("*"):
record_delete_field(self.record, tag="500",
field_position_global=field[4]) |
def update_title_to_proceeding(self):
"""Move title info from 245 to 111 proceeding style."""
titles = record_get_field_instances(self.record,
tag="245")
for title in titles:
subs = field_get_subfields(title)
new_subs = []
if "a" in subs:
new_subs.append(("a", subs['a'][0]))
if "b" in subs:
new_subs.append(("c", subs['b'][0]))
record_add_field(self.record,
tag="111",
subfields=new_subs)
record_delete_fields(self.record, tag="245")
record_delete_fields(self.record, tag="246") |
def update_experiments(self):
"""Experiment mapping."""
# 693 Remove if 'not applicable'
for field in record_get_field_instances(self.record, '693'):
subs = field_get_subfields(field)
acc_experiment = subs.get("e", [])
if not acc_experiment:
acc_experiment = subs.get("a", [])
if not acc_experiment:
continue
experiment = acc_experiment[-1]
# Handle special case of leading experiments numbers NA-050 -> NA 50
e_suffix = ""
if "-NA-" in experiment or \
"-RD-" in experiment or \
"-WA-" in experiment:
splitted_experiment = experiment.split("-")
e_suffix = "-".join(splitted_experiment[2:])
if e_suffix.startswith("0"):
e_suffix = e_suffix[1:]
experiment = "-".join(splitted_experiment[:2]) # only CERN-NA
translated_experiment = self.get_config_item(experiment,
"experiments")
if not translated_experiment:
continue
new_subs = []
if "---" in translated_experiment:
experiment_a, experiment_e = translated_experiment.split("---")
new_subs.append(("a", experiment_a.replace("-", " ")))
else:
experiment_e = translated_experiment
new_subs.append(("e", experiment_e.replace("-", " ") + e_suffix))
record_delete_field(self.record, tag="693",
field_position_global=field[4])
record_add_field(self.record, "693", subfields=new_subs) |
def update_reportnumbers(self):
"""Update reportnumbers."""
report_037_fields = record_get_field_instances(self.record, '037')
for field in report_037_fields:
subs = field_get_subfields(field)
for val in subs.get("a", []):
if "arXiv" not in val:
record_delete_field(self.record,
tag="037",
field_position_global=field[4])
new_subs = [(code, val[0]) for code, val in subs.items()]
record_add_field(self.record, "088", subfields=new_subs)
break |
def update_authors(self):
"""100 & 700 punctuate author names."""
author_names = record_get_field_instances(self.record, '100')
author_names.extend(record_get_field_instances(self.record, '700'))
for field in author_names:
subs = field_get_subfields(field)
for idx, (key, value) in enumerate(field[0]):
if key == 'a':
field[0][idx] = ('a', value.replace(".", " ").strip())
elif key == 'v':
del field[0][idx]
if subs.get("u", None) == "CERN":
self.tag_as_cern = True |
def update_isbn(self):
"""Remove dashes from ISBN."""
isbns = record_get_field_instances(self.record, '020')
for field in isbns:
for idx, (key, value) in enumerate(field[0]):
if key == 'a':
field[0][idx] = ('a', value.replace("-", "").strip()) |
def update_dois(self):
"""Remove duplicate BibMatch DOIs."""
dois = record_get_field_instances(self.record, '024', ind1="7")
all_dois = {}
for field in dois:
subs = field_get_subfield_instances(field)
subs_dict = dict(subs)
if subs_dict.get('a'):
if subs_dict['a'] in all_dois:
record_delete_field(self.record, tag='024', ind1='7', field_position_global=field[4])
continue
all_dois[subs_dict['a']] = field |
def update_journals(self):
"""773 journal translations."""
for field in record_get_field_instances(self.record, '773'):
subs = field_get_subfield_instances(field)
new_subs = []
volume_letter = ""
journal_name = ""
for idx, (key, value) in enumerate(subs):
if key == 'p':
journal_name = self.get_config_item(value, "journals", allow_substring=False)
# Make sure journal names have the form (dot)(space) (I know it's horrible)
journal_name = journal_name.replace('. ', '.').replace('.', '. ').replace('. ,', '.,').strip()
elif key == 'v':
volume_letter = value
else:
new_subs.append((key, value))
if not journal_name == "PoS":
# Special handling of journal name and volumes, except PoS
letter = return_letters_from_string(volume_letter)
if letter:
journal_name = "{0} {1}".format(journal_name, letter)
volume_letter = volume_letter.strip(letter)
if journal_name:
new_subs.append(("p", journal_name))
if volume_letter:
new_subs.append(("v", volume_letter))
record_delete_field(self.record, tag="773",
field_position_global=field[4])
record_add_field(self.record, "773", subfields=new_subs) |
def update_thesis_supervisors(self):
"""700 -> 701 Thesis supervisors."""
for field in record_get_field_instances(self.record, '701'):
subs = list(field[0])
subs.append(("e", "dir."))
record_add_field(self.record, '700', subfields=subs)
record_delete_fields(self.record, '701') |
def update_thesis_information(self):
"""501 degree info - move subfields."""
fields_501 = record_get_field_instances(self.record, '502')
for field in fields_501:
new_subs = []
for key, value in field[0]:
if key == 'b':
new_subs.append(('a', value))
elif key == 'c':
new_subs.append(('b', value))
elif key == 'd':
new_subs.append(('c', value))
else:
new_subs.append((key, value))
record_delete_field(self.record, tag="502",
field_position_global=field[4])
record_add_field(self.record, "502", subfields=new_subs) |
def update_pagenumber(self):
"""300 page number."""
pages = record_get_field_instances(self.record, '300')
for field in pages:
for idx, (key, value) in enumerate(field[0]):
if key == 'a':
field[0][idx] = ('a', "{0} p".format(value)) |
def update_date(self):
"""269 Date normalization."""
dates_269 = record_get_field_instances(self.record, '269')
for idx, field in enumerate(dates_269):
new_subs = []
old_subs = field[0]
for code, value in old_subs:
if code == "c":
new_subs.append((
"c",
convert_date_from_iso_to_human(value)
))
else:
new_subs.append((code, value))
dates_269[idx] = field_swap_subfields(field, new_subs) |
def update_date_year(self):
"""260 Date normalization."""
dates = record_get_field_instances(self.record, '260')
for field in dates:
for idx, (key, value) in enumerate(field[0]):
if key == 'c':
field[0][idx] = ('c', value[:4])
elif key == 't':
del field[0][idx]
if not dates:
published_years = record_get_field_values(self.record, "773", code="y")
if published_years:
record_add_field(
self.record, "260", subfields=[("c", published_years[0][:4])])
else:
other_years = record_get_field_values(self.record, "269", code="c")
if other_years:
record_add_field(
self.record, "260", subfields=[("c", other_years[0][:4])]) |
def is_published(self):
"""Check fields 980 and 773 to see if the record has already been published.
:return: True is published, else False
"""
field773 = record_get_field_instances(self.record, '773')
for f773 in field773:
if 'c' in field_get_subfields(f773):
return True
return False |
def update_links_and_ffts(self):
"""FFT (856) Dealing with files."""
for field in record_get_field_instances(self.record,
tag='856',
ind1='4'):
subs = field_get_subfields(field)
newsubs = []
url = subs.get("u", [])
if not url:
record_delete_field(self.record, '856', ind1='4',
field_position_global=field[4])
continue
url = url[0]
if "inspirehep.net/record" in url and url.endswith("pdf"):
# We have an FFT from INSPIRE
newsubs.append(('a', url))
description = subs.get("y", [])
if description:
newsubs.append(('d', description[0]))
if newsubs:
record_add_field(self.record, 'FFT', subfields=newsubs)
record_delete_field(self.record, '856', ind1='4',
field_position_global=field[4])
else:
# Remove $w
for idx, (key, value) in enumerate(field[0]):
if key == 'w':
del field[0][idx] |
def update_languages(self):
"""041 Language."""
language_fields = record_get_field_instances(self.record, '041')
language = "eng"
record_delete_fields(self.record, "041")
for field in language_fields:
subs = field_get_subfields(field)
if 'a' in subs:
language = self.get_config_item(subs['a'][0], "languages")
break
new_subs = [('a', language)]
record_add_field(self.record, "041", subfields=new_subs) |
def pathjoin(*args, **kwargs):
"""
Arguments:
args (list): *args list of paths
if len(args) == 1, args[0] is not a string, and args[0] is iterable,
set args to args[0].
Basically::
joined_path = u'/'.join(
[args[0].rstrip('/')] +
[a.strip('/') for a in args[1:-1]] +
[args[-1].lstrip('/')])
"""
log.debug('pathjoin: %r' % list(args))
def _pathjoin(*args, **kwargs):
len_ = len(args) - 1
if len_ < 0:
raise Exception('no args specified')
elif len_ == 0:
if not isinstance(args, basestring):
if hasattr(args, '__iter__'):
_args = args
_args
args = args[0]
for i, arg in enumerate(args):
if not i:
yield arg.rstrip('/')
elif i == len_:
yield arg.lstrip('/')
else:
yield arg.strip('/')
joined_path = u'/'.join(_pathjoin(*args))
return sanitize_path(joined_path) |
def generate_dirlist_html(FS, filepath):
"""
Generate directory listing HTML
Arguments:
FS (FS): filesystem object to read files from
filepath (str): path to generate directory listings for
Keyword Arguments:
list_dir (callable: list[str]): list file names in a directory
isdir (callable: bool): os.path.isdir
Yields:
str: lines of an HTML table
"""
yield '<table class="dirlist">'
if filepath == '/':
filepath = ''
for name in FS.listdir(filepath):
full_path = pathjoin(filepath, name)
if FS.isdir(full_path):
full_path = full_path + '/'
yield u'<tr><td><a href="{0}">{0}</a></td></tr>'.format(
cgi.escape(full_path)) # TODO XXX
yield '</table>' |
def git_static_file(filename,
mimetype='auto',
download=False,
charset='UTF-8'):
""" This method is derived from bottle.static_file:
Open [a file] and return :exc:`HTTPResponse` with status
code 200, 305, 403 or 404. The ``Content-Type``, ``Content-Encoding``,
``Content-Length`` and ``Last-Modified`` headers are set if possible.
Special support for ``If-Modified-Since`` [...].
:param filename: Name or path of the file to send.
:param mimetype: Defines the content-type header (default: guess from
file extension)
:param download: If True, ask the browser to open a `Save as...` dialog
instead of opening the file with the associated program. You can
specify a custom filename as a string. If not specified, the
original filename is used (default: False).
:param charset: The charset to use for files with a ``text/*``
mime-type. (default: UTF-8)
"""
# root = os.path.abspath(root) + os.sep
# filename = os.path.abspath(pathjoin(root, filename.strip('/\\')))
filename = filename.strip('/\\')
headers = dict()
FS = request.app.config['pgs.FS']
# if not filename.startswith(root):
# return HTTPError(403, "Access denied.")
if not FS.exists(filename):
return HTTPError(404, "Not found.")
# if not os.access(filename, os.R_OK):
# return HTTPError(403, "You do not have permission to access this file.")
if mimetype == 'auto':
if download and download is not True:
mimetype, encoding = mimetypes.guess_type(download)
else:
mimetype, encoding = mimetypes.guess_type(filename)
if encoding:
headers['Content-Encoding'] = encoding
if mimetype:
if mimetype[:5] == 'text/' and charset and 'charset' not in mimetype:
mimetype += '; charset=%s' % charset
headers['Content-Type'] = mimetype
if download:
download = os.path.basename(filename if download else download)
headers['Content-Disposition'] = 'attachment; filename="%s"' % download
# stats = os.stat(filename)
info = FS.getinfo(filename)
headers['Content-Length'] = clen = info['size']
lm = time.strftime("%a, %d %b %Y %H:%M:%S GMT",
time.gmtime(info['modified_time']))
headers['Last-Modified'] = lm
ims = request.environ.get('HTTP_IF_MODIFIED_SINCE')
if ims:
ims = parse_date(ims.split(";")[0].strip())
mtime = info['modified_time']
if mtime and ims is not None and ims >= int(mtime):
headers['Date'] = time.strftime("%a, %d %b %Y %H:%M:%S GMT",
time.gmtime())
return HTTPResponse(status=304, **headers)
body = '' if request.method == 'HEAD' else FS.get_fileobj(filename)
clen
# headers["Accept-Ranges"] = "bytes"
# ranges = request.environ.get('HTTP_RANGE')
# if 'HTTP_RANGE' in request.environ:
# ranges = list(parse_range_header(request.environ['HTTP_RANGE'], clen))
# if not ranges:
# return HTTPError(416, "Requested Range Not Satisfiable")
# offset, end = ranges[0]
# headers["Content-Range"] = "bytes %d-%d/%d" % (offset, end - 1, clen)
# headers["Content-Length"] = str(end - offset)
# if body: body = _file_iter_range(body, offset, end - offset)
# return HTTPResponse(body, status=206, **headers)
return HTTPResponse(body, **headers) |
def check_pkgs_integrity(filelist, logger, ftp_connector,
timeout=120, sleep_time=10):
"""
Checks if files are not being uploaded to server.
@timeout - time after which the script will register an error.
"""
ref_1 = []
ref_2 = []
i = 1
print >> sys.stdout, "\nChecking packages integrity."
for filename in filelist:
# ref_1.append(self.get_remote_file_size(filename))
get_remote_file_size(ftp_connector, filename, ref_1)
print >> sys.stdout, "\nGoing to sleep for %i sec." % (sleep_time,)
time.sleep(sleep_time)
while sleep_time*i < timeout:
for filename in filelist:
# ref_2.append(self.get_remote_file_size(filename))
get_remote_file_size(ftp_connector, filename, ref_2)
if ref_1 == ref_2:
print >> sys.stdout, "\nIntegrity OK:)"
logger.info("Packages integrity OK.")
break
else:
print >> sys.stdout, "\nWaiting %d time for itegrity..." % (i,)
logger.info("\nWaiting %d time for itegrity..." % (i,))
i += 1
ref_1, ref_2 = ref_2, []
time.sleep(sleep_time)
else:
not_finished_files = []
for count, val1 in enumerate(ref_1):
if val1 != ref_2[count]:
not_finished_files.append(filelist[count])
print >> sys.stdout, "\nOMG, OMG something wrong with integrity."
logger.error("Integrity check faild for files %s"
% (not_finished_files,)) |
def normalize_query(query_string, terms=TERMS, norm_space=NORM_SPACE):
"""
Example:
>>> normalize_query(' some random words "with quotes " and spaces')
['some', 'random', 'words', 'with quotes', 'and', 'spaces']
"""
return [
norm_space(' ', (t[0] or t[1]).strip()) for t in terms(query_string)] |
def collapse_initials(name):
""" Removes the space between initials.
eg T. A. --> T.A."""
if len(name.split()) > 1:
name = re.sub(r'([A-Z]\.) +(?=[A-Z]\.)', r'\1', name)
return name |
def fix_name_capitalization(lastname, givennames):
""" Converts capital letters to lower keeps first letter capital. """
lastnames = lastname.split()
if len(lastnames) == 1:
if '-' in lastname:
names = lastname.split('-')
names = map(lambda a: a[0] + a[1:].lower(), names)
lastname = '-'.join(names)
else:
lastname = lastname[0] + lastname[1:].lower()
else:
names = []
for name in lastnames:
if re.search(r'[A-Z]\.', name):
names.append(name)
else:
names.append(name[0] + name[1:].lower())
lastname = ' '.join(names)
lastname = collapse_initials(lastname)
names = []
for name in givennames:
if re.search(r'[A-Z]\.', name):
names.append(name)
else:
names.append(name[0] + name[1:].lower())
givennames = ' '.join(names)
return lastname, givennames |
def extract_oembeds(self, text, maxwidth=None, maxheight=None, resource_type=None):
"""
Scans a block of text and extracts oembed data on any urls,
returning it in a list of dictionaries
"""
parser = text_parser()
urls = parser.extract_urls(text)
return self.handle_extracted_urls(urls, maxwidth, maxheight, resource_type) |
def strip(self, text, *args, **kwargs):
"""
Try to maintain parity with what is extracted by extract since strip
will most likely be used in conjunction with extract
"""
if OEMBED_DEFAULT_PARSE_HTML:
extracted = self.extract_oembeds_html(text, *args, **kwargs)
else:
extracted = self.extract_oembeds(text, *args, **kwargs)
matches = [r['original_url'] for r in extracted]
match_handler = lambda m: m.group() not in matches and m.group() or ''
return re.sub(URL_RE, match_handler, text) |
def autodiscover():
"""
Automatically build the provider index.
"""
import imp
from django.conf import settings
for app in settings.INSTALLED_APPS:
try:
app_path = __import__(app, {}, {}, [app.split('.')[-1]]).__path__
except AttributeError:
continue
try:
imp.find_module('oembed_providers', app_path)
except ImportError:
continue
__import__("%s.oembed_providers" % app) |
def select(options=None):
""" pass in a list of options, promt the user to select one, and return the selected option or None """
if not options:
return None
width = len(str(len(options)))
for x,option in enumerate(options):
sys.stdout.write('{:{width}}) {}\n'.format(x+1,option, width=width))
sys.stdout.write('{:>{width}} '.format('#?', width=width+1))
sys.stdout.flush()
if sys.stdin.isatty():
# regular prompt
try:
response = raw_input().strip()
except (EOFError, KeyboardInterrupt):
# handle ctrl-d, ctrl-c
response = ''
else:
# try connecting to current tty, when using pipes
sys.stdin = open("/dev/tty")
try:
response = ''
while True:
response += sys.stdin.read(1)
if response.endswith('\n'):
break
except (EOFError, KeyboardInterrupt):
sys.stdout.flush()
pass
try:
response = int(response) - 1
except ValueError:
return None
if response < 0 or response >= len(options):
return None
return options[response] |
def main():
argparser = ArgumentParser()
subparsers = argparser.add_subparsers(dest='selected_subparser')
all_parser = subparsers.add_parser('all')
elsevier_parser = subparsers.add_parser('elsevier')
oxford_parser = subparsers.add_parser('oxford')
springer_parser = subparsers.add_parser('springer')
all_parser.add_argument('--update-credentials', action='store_true')
elsevier_parser.add_argument('--run-locally', action='store_true')
elsevier_parser.add_argument('--package-name')
elsevier_parser.add_argument('--path')
elsevier_parser.add_argument('--CONSYN', action='store_true')
elsevier_parser.add_argument('--update-credentials', action='store_true')
elsevier_parser.add_argument('--extract-nations', action='store_true')
oxford_parser.add_argument('--dont-empty-ftp', action='store_true')
oxford_parser.add_argument('--package-name')
oxford_parser.add_argument('--path')
oxford_parser.add_argument('--update-credentials', action='store_true')
oxford_parser.add_argument('--extract-nations', action='store_true')
springer_parser.add_argument('--package-name')
springer_parser.add_argument('--path')
springer_parser.add_argument('--update-credentials', action='store_true')
springer_parser.add_argument('--extract-nations', action='store_true')
'''
Transforms the argparse arguments from Namespace to dict and then to Bunch
Therefore it is not necessary to access the arguments using the dict syntax
The settings can be called like regular vars on the settings object
'''
settings = Bunch(vars(argparser.parse_args()))
call_package(settings) |
def get_record(self, record):
""" Reads a dom xml element in oaidc format and
returns the bibrecord object """
self.document = record
rec = create_record()
language = self._get_language()
if language and language != 'en':
record_add_field(rec, '041', subfields=[('a', language)])
publisher = self._get_publisher()
date = self._get_date()
if publisher and date:
record_add_field(rec, '260', subfields=[('b', publisher),
('c', date)])
elif publisher:
record_add_field(rec, '260', subfields=[('b', publisher)])
elif date:
record_add_field(rec, '260', subfields=[('c', date)])
title = self._get_title()
if title:
record_add_field(rec, '245', subfields=[('a', title)])
record_copyright = self._get_copyright()
if record_copyright:
record_add_field(rec, '540', subfields=[('a', record_copyright)])
subject = self._get_subject()
if subject:
record_add_field(rec, '650', ind1='1', ind2='7', subfields=[('a', subject),
('2', 'PoS')])
authors = self._get_authors()
first_author = True
for author in authors:
subfields = [('a', author[0])]
for affiliation in author[1]:
subfields.append(('v', affiliation))
if first_author:
record_add_field(rec, '100', subfields=subfields)
first_author = False
else:
record_add_field(rec, '700', subfields=subfields)
identifier = self.get_identifier()
conference = identifier.split(':')[2]
conference = conference.split('/')[0]
contribution = identifier.split(':')[2]
contribution = contribution.split('/')[1]
record_add_field(rec, '773', subfields=[('p', 'PoS'),
('v', conference.replace(' ', '')),
('c', contribution),
('y', date[:4])])
record_add_field(rec, '980', subfields=[('a', 'ConferencePaper')])
record_add_field(rec, '980', subfields=[('a', 'HEP')])
return rec |
def progress(length, **kwargs):
"""display a progress that can update in place
example --
total_length = 1000
with echo.progress(total_length) as p:
for x in range(total_length):
# do something crazy
p.update(x)
length -- int -- the total size of what you will be updating progress on
"""
quiet = False
progress_class = kwargs.pop("progress_class", Progress)
kwargs["write_method"] = istdout.info
kwargs["width"] = kwargs.get("width", globals()["WIDTH"])
kwargs["length"] = length
pbar = progress_class(**kwargs)
pbar.update(0)
yield pbar
pbar.update(length)
br() |
def increment(itr, n=1, format_msg="{}. "):
"""Similar to enumerate but will set format_msg.format(n) into the prefix on
each iteration
:Example:
for v in increment(["foo", "bar"]):
echo.out(v) # 1. foo\n2. bar
:param itr: iterator, any iterator you want to set a numeric prefix on on every
iteration
:param n: integer, the starting integer for the numeric prefix
:param format_msg: string, this will basically do: format_msg.format(n) so there
should only be one set of curly brackets
:returns: yield generator
"""
for i, v in enumerate(itr, n):
with prefix(format_msg, i):
yield v |
def err(format_msg, *args, **kwargs):
'''print format_msg to stderr'''
exc_info = kwargs.pop("exc_info", False)
stderr.warning(str(format_msg).format(*args, **kwargs), exc_info=exc_info) |
def out(format_msg="", *args, **kwargs):
'''print format_msg to stdout, taking into account --quiet setting'''
logmethod = kwargs.get("logmethod", stdout.info)
if format_msg != "":
if Prefix.has():
if isinstance(format_msg, basestring):
format_msg = Prefix.get() + format_msg
else:
format_msg = Prefix.get() + str(format_msg)
if isinstance(format_msg, basestring):
if args or kwargs:
s = format_msg.format(*args, **kwargs)
else:
s = format_msg
logmethod(s)
# width = globals()["width"]
# s = textwrap.fill(s, width=width)
# stdout.info(s)
else:
logmethod(str(format_msg))
else:
logmethod("") |
def verbose(format_msg="", *args, **kwargs):
'''print format_msg to stdout, taking into account --verbose flag'''
kwargs["logmethod"] = stdout.debug
out(format_msg, *args, **kwargs) |
def banner(*lines, **kwargs):
"""prints a banner
sep -- string -- the character that will be on the line on the top and bottom
and before any of the lines, defaults to *
count -- integer -- the line width, defaults to 80
"""
sep = kwargs.get("sep", "*")
count = kwargs.get("width", globals()["WIDTH"])
out(sep * count)
if lines:
out(sep)
for line in lines:
out("{} {}".format(sep, line))
out(sep)
out(sep * count) |
def table(*columns, **kwargs):
"""
format columned data so we can easily print it out on a console, this just takes
columns of data and it will format it into properly aligned columns, it's not
fancy, but it works for most type of strings that I need it for, like server name
lists.
other formatting options:
http://stackoverflow.com/a/8234511/5006
other packages that probably do this way better:
https://stackoverflow.com/a/26937531/5006
:Example:
>>> echo.table([(1, 2), (3, 4), (5, 6), (7, 8), (9, 0)])
1 2
3 4
5 6
7 8
9 0
>>> echo.table([1, 3, 5, 7, 9], [2, 4, 6, 8, 0])
1 2
3 4
5 6
7 8
9 0
:param *columns: can either be a list of rows or multiple lists representing each
column in the table
:param **kwargs: dict
prefix -- string -- what you want before each row (eg, a tab)
buf_count -- integer -- how many spaces between longest col value and its neighbor
headers -- list -- the headers you want, must match column count
widths -- list -- the widths of each column you want to use, this doesn't have
to match column count, so you can do something like [0, 5] to set the
width of the second column
width -- int -- similar to widths except it will set this value for all columns
"""
ret = []
prefix = kwargs.get('prefix', '')
buf_count = kwargs.get('buf_count', 2)
if len(columns) == 1:
columns = list(columns[0])
else:
# without the list the zip iterator gets spent, I'm sure I can make this
# better
columns = list(zip(*columns))
headers = kwargs.get("headers", [])
if headers:
columns.insert(0, headers)
# we have to go through all the rows and calculate the length of each
# column of each row
widths = kwargs.get("widths", [])
row_counts = Counter()
for i in range(len(widths)):
row_counts[i] = int(widths[i])
width = int(kwargs.get("width", 0))
for row in columns:
for i, c in enumerate(row):
if isinstance(c, basestring):
cl = len(c)
else:
cl = len(str(c))
if cl > row_counts[i]:
row_counts[i] = cl
width = int(kwargs.get("width", 0))
if width:
for i in row_counts:
if row_counts[i] < width:
row_counts[i] = width
# actually go through and format each row
def colstr(c):
if isinstance(c, basestring): return c
return str(c)
def rowstr(row, prefix, row_counts):
row_format = prefix
cols = list(map(colstr, row))
for i in range(len(row_counts)):
c = cols[i]
# build the format string for each row, we use the row_counts found
# above to decide how much padding each column should get
# https://stackoverflow.com/a/9536084/5006
if re.match(r"^\d+(?:\.\d+)?$", c):
if i == 0:
row_format += "{:>" + str(row_counts[i]) + "}"
else:
row_format += "{:>" + str(row_counts[i] + buf_count) + "}"
else:
row_format += "{:<" + str(row_counts[i] + buf_count) + "}"
return row_format.format(*cols)
for row in columns:
ret.append(rowstr(row, prefix, row_counts))
out(os.linesep.join(ret)) |
def prompt(question, choices=None):
"""echo a prompt to the user and wait for an answer
question -- string -- the prompt for the user
choices -- list -- if given, only exit when prompt matches one of the choices
return -- string -- the answer that was given by the user
"""
if not re.match("\s$", question):
question = "{}: ".format(question)
while True:
if sys.version_info[0] > 2:
answer = input(question)
else:
answer = raw_input(question)
if not choices or answer in choices:
break
return answer |
def get_records(self, url):
"""
Returns the records listed in the webpage given as
parameter as a xml String.
@param url: the url of the Journal, Book, Protocol or Reference work
"""
page = urllib2.urlopen(url)
pages = [BeautifulSoup(page)]
#content spread over several pages?
numpag = pages[0].body.findAll('span', attrs={'class': 'number-of-pages'})
if len(numpag) > 0:
if re.search('^\d+$', numpag[0].string):
for i in range(int(numpag[0].string)-1):
page = urllib2.urlopen('%s/page/%i' % (url, i+2))
pages.append(BeautifulSoup(page))
else:
print("number of pages %s not an integer" % (numpag[0].string))
impl = getDOMImplementation()
doc = impl.createDocument(None, "collection", None)
links = []
for page in pages:
links += page.body.findAll('p', attrs={'class': 'title'})
links += page.body.findAll('h3', attrs={'class': 'title'})
for link in links:
record = self._get_record(link)
doc.firstChild.appendChild(record)
return doc.toprettyxml() |
def inject_quiet(levels):
"""see --quiet flag help for what this does"""
loggers = list(Logger.manager.loggerDict.items())
loggers.append(("root", getLogger()))
level_filter = LevelFilter(levels)
for logger_name, logger in loggers:
for handler in getattr(logger, "handlers", []):
handler.addFilter(level_filter) |
def connect(self):
"""Logs into the specified ftp server and returns connector."""
for tried_connection_count in range(CFG_FTP_CONNECTION_ATTEMPTS):
try:
self.ftp = FtpHandler(self.config.OXFORD.URL,
self.config.OXFORD.LOGIN,
self.config.OXFORD.PASSWORD)
self.logger.debug(("Successful connection to the "
"Oxford University Press server"))
return
except socket_timeout_exception as err:
self.logger.error(('Failed to connect %d of %d times. '
'Will sleep for %d seconds and try again.')
% (tried_connection_count+1,
CFG_FTP_CONNECTION_ATTEMPTS,
CFG_FTP_TIMEOUT_SLEEP_DURATION))
time.sleep(CFG_FTP_TIMEOUT_SLEEP_DURATION)
except Exception as err:
self.logger.error(('Failed to connect to the Oxford '
'University Press server. %s') % (err,))
break
raise LoginException(err) |
def _extract_packages(self):
"""
Extract a package in a new directory.
"""
if not hasattr(self, "retrieved_packages_unpacked"):
self.retrieved_packages_unpacked = [self.package_name]
for path in self.retrieved_packages_unpacked:
package_name = basename(path)
self.path_unpacked = join(CFG_UNPACKED_FILES,
package_name.split('.')[0])
self.logger.debug("Extracting package: %s"
% (path.split("/")[-1],))
try:
if "_archival_pdf" in self.path_unpacked:
self.path_unpacked = (self.path_unpacked
.rstrip("_archival_pdf"))
ZipFile(path).extractall(join(self.path_unpacked,
"archival_pdfs"))
else:
ZipFile(path).extractall(self.path_unpacked)
#TarFile.open(path).extractall(self.path_unpacked)
except Exception:
register_exception(alert_admin=True,
prefix="OUP error extracting package.")
self.logger.error("Error extraction package file: %s"
% (path,))
if hasattr(self, "path_unpacked"):
return self.path_unpacked |
def _crawl_oxford_and_find_main_xml(self):
"""
A package contains several subdirectory corresponding to each article.
An article is actually identified by the existence of a main.pdf and
a main.xml in a given directory.
"""
self.found_articles = []
def visit(arg, dirname, names):
files = [filename for filename in names if ".xml" in filename]
if files:
try:
for f in files:
self.found_articles.append(join(dirname, f))
except Exception as err:
register_exception()
print("ERROR: can't normalize %s: %s" % (dirname, err),
file=sys.stderr)
if hasattr(self, 'path_unpacked'):
walk(self.path_unpacked, visit, None)
elif self.path:
walk(self.path, visit, None)
else:
self.logger.info("Nothing to do.") |
def get_data(self):
"""
Fetch/refresh the current instance's data from the NuHeat API
"""
params = {
"serialnumber": self.serial_number
}
data = self._session.request(config.THERMOSTAT_URL, params=params)
self._data = data
self.heating = data.get("Heating")
self.online = data.get("Online")
self.room = data.get("Room")
self.serial_number = data.get("SerialNumber")
self.temperature = data.get("Temperature")
self.min_temperature = data.get("MinTemp")
self.max_temperature = data.get("MaxTemp")
self.target_temperature = data.get("SetPointTemp")
self._schedule_mode = data.get("ScheduleMode") |
def schedule_mode(self, mode):
"""
Set the thermostat mode
:param mode: The desired mode integer value.
Auto = 1
Temporary hold = 2
Permanent hold = 3
"""
modes = [config.SCHEDULE_RUN, config.SCHEDULE_TEMPORARY_HOLD, config.SCHEDULE_HOLD]
if mode not in modes:
raise Exception("Invalid mode. Please use one of: {}".format(modes))
self.set_data({"ScheduleMode": mode}) |
def set_target_fahrenheit(self, fahrenheit, mode=config.SCHEDULE_HOLD):
"""
Set the target temperature to the desired fahrenheit, with more granular control of the
hold mode
:param fahrenheit: The desired temperature in F
:param mode: The desired mode to operate in
"""
temperature = fahrenheit_to_nuheat(fahrenheit)
self.set_target_temperature(temperature, mode) |
def set_target_celsius(self, celsius, mode=config.SCHEDULE_HOLD):
"""
Set the target temperature to the desired celsius, with more granular control of the hold
mode
:param celsius: The desired temperature in C
:param mode: The desired mode to operate in
"""
temperature = celsius_to_nuheat(celsius)
self.set_target_temperature(temperature, mode) |
def set_target_temperature(self, temperature, mode=config.SCHEDULE_HOLD):
"""
Updates the target temperature on the NuHeat API
:param temperature: The desired temperature in NuHeat format
:param permanent: Permanently hold the temperature. If set to False, the schedule will
resume at the next programmed event
"""
if temperature < self.min_temperature:
temperature = self.min_temperature
if temperature > self.max_temperature:
temperature = self.max_temperature
modes = [config.SCHEDULE_TEMPORARY_HOLD, config.SCHEDULE_HOLD]
if mode not in modes:
raise Exception("Invalid mode. Please use one of: {}".format(modes))
self.set_data({
"SetPointTemp": temperature,
"ScheduleMode": mode
}) |
def set_data(self, post_data):
"""
Update (patch) the current instance's data on the NuHeat API
"""
params = {
"serialnumber": self.serial_number
}
self._session.request(config.THERMOSTAT_URL, method="POST", data=post_data, params=params) |
def load_config(filename=None, section_option_dict={}):
"""
This function returns a Bunch object from the stated config file.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
NOTE:
The values are not evaluated by default.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
filename:
The desired config file to read.
The config file must be written in a syntax readable to the
ConfigParser module -> INI syntax
[sectionA]
optionA1 = ...
optionA2 = ...
section_option_dict:
A dictionary that contains keys, which are associated to the sections
in the config file, and values, which are a list of the desired
options.
If empty, everything will be loaded.
If the lists are empty, everything from the sections will be loaded.
Example:
dict = {'sectionA': ['optionA1', 'optionA2', ...],
'sectionB': ['optionB1', 'optionB2', ...]}
config = get_config('config.cfg', dict)
config.sectionA.optionA1
Other:
Bunch can be found in configparser.py
"""
config = ConfigParser()
config.read(filename)
working_dict = _prepare_working_dict(config, section_option_dict)
tmp_dict = {}
for section, options in working_dict.iteritems():
tmp_dict[section] = {}
for option in options:
tmp_dict[section][option] = config.get(section, option)
return Bunch(tmp_dict) |
def authenticate(self):
"""
Authenticate against the NuHeat API
"""
if self._session_id:
_LOGGER.debug("Using existing NuHeat session")
return
_LOGGER.debug("Creating NuHeat session")
post_data = {
"Email": self.username,
"Password": self.password,
"application": "0"
}
data = self.request(config.AUTH_URL, method="POST", data=post_data)
session_id = data.get("SessionId")
if not session_id:
raise Exception("Authentication error")
self._session_id = session_id |
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