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def paginate_dataframe(self, dataframe):
"""
Return a single page of results, or `None` if pagination is disabled.
"""
if self.paginator is None:
return None
return self.paginator.paginate_dataframe(dataframe, self.request, view=self) |
def parse(self):
"""parse config, return a dict"""
if exists(self.filepath):
content = open(self.filepath).read().decode(charset)
else:
content = ""
try:
config = toml.loads(content)
except toml.TomlSyntaxError:
raise ConfigSyntaxError
return config |
def chunks(lst, number):
"""
A generator, split list `lst` into `number` equal size parts.
usage::
>>> parts = chunks(range(8),3)
>>> parts
<generator object chunks at 0xb73bd964>
>>> list(parts)
[[0, 1, 2], [3, 4, 5], [6, 7]]
"""
lst_len = len(lst)
for i in xrange(0, lst_len, number):
yield lst[i: i+number] |
def update_nested_dict(a, b):
"""
update nested dict `a` with another dict b.
usage::
>>> a = {'x' : { 'y': 1}}
>>> b = {'x' : {'z':2, 'y':3}, 'w': 4}
>>> update_nested_dict(a,b)
{'x': {'y': 3, 'z': 2}, 'w': 4}
"""
for k, v in b.iteritems():
if isinstance(v, dict):
d = a.setdefault(k, {})
update_nested_dict(d, v)
else:
a[k] = v
return a |
def render_to(path, template, **data):
"""shortcut to render data with `template` and then write to `path`.
Just add exception catch to `renderer.render_to`"""
try:
renderer.render_to(path, template, **data)
except JinjaTemplateNotFound as e:
logger.error(e.__doc__ + ', Template: %r' % template)
sys.exit(e.exit_code) |
def block_code(self, text, lang):
"""text: unicode text to render"""
if not lang:
return self._code_no_lexer(text)
try:
lexer = get_lexer_by_name(lang, stripall=True)
except ClassNotFound: # lexer not found, use plain text
return self._code_no_lexer(text)
formatter = HtmlFormatter()
return highlight(text, lexer, formatter) |
def parse(self, source):
"""Parse ascii post source, return dict"""
rt, title, title_pic, markdown = libparser.parse(source)
if rt == -1:
raise SeparatorNotFound
elif rt == -2:
raise PostTitleNotFound
# change to unicode
title, title_pic, markdown = map(to_unicode, (title, title_pic,
markdown))
# render to html
html = self.markdown.render(markdown)
summary = self.markdown.render(markdown[:200])
return {
'title': title,
'markdown': markdown,
'html': html,
'summary': summary,
'title_pic': title_pic
} |
def parse_filename(self, filepath):
"""parse post source files name to datetime object"""
name = os.path.basename(filepath)[:-src_ext_len]
try:
dt = datetime.strptime(name, "%Y-%m-%d-%H-%M")
except ValueError:
raise PostNameInvalid
return {'name': name, 'datetime': dt, 'filepath': filepath} |
def run_server(self, port):
"""run a server binding to port"""
try:
self.server = MultiThreadedHTTPServer(('0.0.0.0', port), Handler)
except socket.error, e: # failed to bind port
logger.error(str(e))
sys.exit(1)
logger.info("HTTP serve at http://0.0.0.0:%d (ctrl-c to stop) ..."
% port)
try:
self.server.serve_forever()
except KeyboardInterrupt:
logger.info("^C received, shutting down server")
self.shutdown_server() |
def get_files_stat(self):
"""get source files' update time"""
if not exists(Post.src_dir):
logger.error(SourceDirectoryNotFound.__doc__)
sys.exit(SourceDirectoryNotFound.exit_code)
paths = []
for fn in ls(Post.src_dir):
if fn.endswith(src_ext):
paths.append(join(Post.src_dir, fn))
# config.toml
if exists(config.filepath):
paths.append(config.filepath)
# files: a <filepath to updated time> dict
files = dict((p, stat(p).st_mtime) for p in paths)
return files |
def watch_files(self):
"""watch files for changes, if changed, rebuild blog. this thread
will quit if the main process ends"""
try:
while 1:
sleep(1) # check every 1s
try:
files_stat = self.get_files_stat()
except SystemExit:
logger.error("Error occurred, server shut down")
self.shutdown_server()
if self.files_stat != files_stat:
logger.info("Changes detected, start rebuilding..")
try:
generator.re_generate()
global _root
_root = generator.root
except SystemExit: # catch sys.exit, it means fatal error
logger.error("Error occurred, server shut down")
self.shutdown_server()
self.files_stat = files_stat # update files' stat
except KeyboardInterrupt:
# I dont know why, but this exception won't be catched
# because absolutly each KeyboardInterrupt is catched by
# the server thread, which will terminate this thread the same time
logger.info("^C received, shutting down watcher")
self.shutdown_watcher() |
def parse(src):
"""Note: src should be ascii string"""
rt = libparser.parse(byref(post), src)
return (
rt,
string_at(post.title, post.tsz),
string_at(post.tpic, post.tpsz),
post.body
) |
def deploy_blog():
"""Deploy new blog to current directory"""
logger.info(deploy_blog.__doc__)
# `rsync -aqu path/to/res/* .`
call(
'rsync -aqu ' + join(dirname(__file__), 'res', '*') + ' .',
shell=True)
logger.success('Done')
logger.info('Please edit config.toml to meet your needs') |
def new_post():
"""Touch a new post in src/"""
logger.info(new_post.__doc__)
# make the new post's filename
now = datetime.datetime.now()
now_s = now.strftime('%Y-%m-%d-%H-%M')
filepath = join(Post.src_dir, now_s + src_ext)
# check if `src/` exists
if not exists(Post.src_dir):
logger.error(SourceDirectoryNotFound.__doc__)
sys.exit(SourceDirectoryNotFound.exit_code)
# write sample content to new post
content = (
'Title\n'
'Title Picture URL\n'
'---\n'
'Markdown content ..'
)
f = open(filepath, 'w')
f.write(content)
f.close()
logger.success('New post created: %s' % filepath) |
def clean():
"""Clean htmls rux built: `rm -rf post page index.html`"""
logger.info(clean.__doc__)
paths = ['post', 'page', 'index.html']
call(['rm', '-rf'] + paths)
logger.success('Done') |
def resolve_blocks(template, context):
'''
Return a BlockContext instance of all the {% block %} tags in the template.
If template is a string, it will be resolved through get_template
'''
try:
blocks = context.render_context[BLOCK_CONTEXT_KEY]
except KeyError:
blocks = context.render_context[BLOCK_CONTEXT_KEY] = BlockContext()
# If it's just the name, resolve into template
if isinstance(template, six.string_types):
template = get_template(template)
# For Django 1.8 compatibility
template = getattr(template, 'template', template)
# Add this templates blocks as the first
local_blocks = {
block.name: block
for block in template.nodelist.get_nodes_by_type(BlockNode)
}
blocks.add_blocks(local_blocks)
# Do we extend a parent template?
extends = template.nodelist.get_nodes_by_type(ExtendsNode)
if extends:
# Can only have one extends in a template
extends_node = extends[0]
# Get the parent, and recurse
parent_template = extends_node.get_parent(context)
resolve_blocks(parent_template, context)
return blocks |
def parse_widget_name(widget):
'''
Parse a alias:block_name string into separate parts.
'''
try:
alias, block_name = widget.split(':', 1)
except ValueError:
raise template.TemplateSyntaxError('widget name must be "alias:block_name" - %s' % widget)
return alias, block_name |
def using(context, alias):
'''
Temporarily update the context to use the BlockContext for the given alias.
'''
# An empty alias means look in the current widget set.
if alias == '':
yield context
else:
try:
widgets = context.render_context[WIDGET_CONTEXT_KEY]
except KeyError:
raise template.TemplateSyntaxError('No widget libraries loaded!')
try:
block_set = widgets[alias]
except KeyError:
raise template.TemplateSyntaxError('No widget library loaded for alias: %r' % alias)
context.render_context.push()
context.render_context[BLOCK_CONTEXT_KEY] = block_set
context.render_context[WIDGET_CONTEXT_KEY] = widgets
yield context
context.render_context.pop() |
def find_block(context, *names):
'''
Find the first matching block in the current block_context
'''
block_set = context.render_context[BLOCK_CONTEXT_KEY]
for name in names:
block = block_set.get_block(name)
if block is not None:
return block
raise template.TemplateSyntaxError('No widget found for: %r' % (names,)) |
def load_widgets(context, **kwargs):
'''
Load a series of widget libraries.
'''
_soft = kwargs.pop('_soft', False)
try:
widgets = context.render_context[WIDGET_CONTEXT_KEY]
except KeyError:
widgets = context.render_context[WIDGET_CONTEXT_KEY] = {}
for alias, template_name in kwargs.items():
if _soft and alias in widgets:
continue
with context.render_context.push({BLOCK_CONTEXT_KEY: BlockContext()}):
blocks = resolve_blocks(template_name, context)
widgets[alias] = blocks
return '' |
def auto_widget(field):
'''Return a list of widget names for the provided field.'''
# Auto-detect
info = {
'widget': field.field.widget.__class__.__name__,
'field': field.field.__class__.__name__,
'name': field.name,
}
return [
fmt.format(**info)
for fmt in (
'{field}_{widget}_{name}',
'{field}_{name}',
'{widget}_{name}',
'{field}_{widget}',
'{name}',
'{widget}',
'{field}',
)
] |
def reuse(context, block_list, **kwargs):
'''
Allow reuse of a block within a template.
{% reuse '_myblock' foo=bar %}
If passed a list of block names, will use the first that matches:
{% reuse list_of_block_names .... %}
'''
try:
block_context = context.render_context[BLOCK_CONTEXT_KEY]
except KeyError:
block_context = BlockContext()
if not isinstance(block_list, (list, tuple)):
block_list = [block_list]
for block in block_list:
block = block_context.get_block(block)
if block:
break
else:
return ''
with context.push(kwargs):
return block.render(context) |
def display(self):
"""
When dealing with optgroups, ensure that the value is properly force_text'd.
"""
if not self.is_group():
return self._display
return ((force_text(k), v) for k, v in self._display) |
def _list_key(self, key):
"""
boilerplate
"""
ret = []
for msg_json in self.client.lrange(key, 0, -1):
ret.append(self._fromJSON(msg_json))
return ret |
def create_message(self, level, msg_text, extra_tags='', date=None, url=None):
"""
Message instances are namedtuples of type `Message`.
The date field is already serialized in datetime.isoformat ECMA-262 format
"""
if not date:
now = timezone.now()
else:
now = date
r = now.isoformat()
if now.microsecond:
r = r[:23] + r[26:]
if r.endswith('+00:00'):
r = r[:-6] + 'Z'
fingerprint = r + msg_text
msg_id = hashlib.sha256(fingerprint.encode('ascii', 'ignore')).hexdigest()
return Message(id=msg_id, message=msg_text, level=level, tags=extra_tags, date=r, url=url) |
def add_message_for(users, level, message_text, extra_tags='', date=None, url=None, fail_silently=False):
"""
Send a message to a list of users without passing through `django.contrib.messages`
:param users: an iterable containing the recipients of the messages
:param level: message level
:param message_text: the string containing the message
:param extra_tags: like the Django api, a string containing extra tags for the message
:param date: a date, different than the default timezone.now
:param url: an optional url
:param fail_silently: not used at the moment
"""
BackendClass = stored_messages_settings.STORAGE_BACKEND
backend = BackendClass()
m = backend.create_message(level, message_text, extra_tags, date, url)
backend.archive_store(users, m)
backend.inbox_store(users, m) |
def broadcast_message(level, message_text, extra_tags='', date=None, url=None, fail_silently=False):
"""
Send a message to all users aka broadcast.
:param level: message level
:param message_text: the string containing the message
:param extra_tags: like the Django api, a string containing extra tags for the message
:param date: a date, different than the default timezone.now
:param url: an optional url
:param fail_silently: not used at the moment
"""
from django.contrib.auth import get_user_model
users = get_user_model().objects.all()
add_message_for(users, level, message_text, extra_tags=extra_tags, date=date, url=url, fail_silently=fail_silently) |
def mark_read(user, message):
"""
Mark message instance as read for user.
Returns True if the message was `unread` and thus actually marked as `read` or False in case
it is already `read` or it does not exist at all.
:param user: user instance for the recipient
:param message: a Message instance to mark as read
"""
BackendClass = stored_messages_settings.STORAGE_BACKEND
backend = BackendClass()
backend.inbox_delete(user, message) |
def mark_all_read(user):
"""
Mark all message instances for a user as read.
:param user: user instance for the recipient
"""
BackendClass = stored_messages_settings.STORAGE_BACKEND
backend = BackendClass()
backend.inbox_purge(user) |
def mark_all_read(request):
"""
Mark all messages as read (i.e. delete from inbox) for current logged in user
"""
from .settings import stored_messages_settings
backend = stored_messages_settings.STORAGE_BACKEND()
backend.inbox_purge(request.user)
return Response({"message": "All messages read"}) |
def read(self, request, pk=None):
"""
Mark the message as read (i.e. delete from inbox)
"""
from .settings import stored_messages_settings
backend = stored_messages_settings.STORAGE_BACKEND()
try:
backend.inbox_delete(request.user, pk)
except MessageDoesNotExist as e:
return Response(e.message, status='404')
return Response({'status': 'message marked as read'}) |
def stored_messages_list(context, num_elements=10):
"""
Renders a list of unread stored messages for the current user
"""
if "user" in context:
user = context["user"]
if user.is_authenticated():
qs = Inbox.objects.select_related("message").filter(user=user)
return {
"messages": qs[:num_elements],
"count": qs.count(),
} |
def stored_messages_count(context):
"""
Renders a list of unread stored messages for the current user
"""
if "user" in context:
user = context["user"]
if user.is_authenticated():
return Inbox.objects.select_related("message").filter(user=user).count() |
def stored_messages_archive(context, num_elements=10):
"""
Renders a list of archived messages for the current user
"""
if "user" in context:
user = context["user"]
if user.is_authenticated():
qs = MessageArchive.objects.select_related("message").filter(user=user)
return {
"messages": qs[:num_elements],
"count": qs.count(),
} |
def _get(self, *args, **kwargs):
"""
Retrieve unread messages for current user, both from the inbox and
from other storages
"""
messages, all_retrieved = super(StorageMixin, self)._get(*args, **kwargs)
if self.user.is_authenticated():
inbox_messages = self.backend.inbox_list(self.user)
else:
inbox_messages = []
return messages + inbox_messages, all_retrieved |
def add(self, level, message, extra_tags=''):
"""
If the message level was configured for being stored and request.user
is not anonymous, save it to the database. Otherwise, let some other
class handle the message.
Notice: controls like checking the message is not empty and the level
is above the filter need to be performed here, but it could happen
they'll be performed again later if the message does not need to be
stored.
"""
if not message:
return
# Check that the message level is not less than the recording level.
level = int(level)
if level < self.level:
return
# Check if the message doesn't have a level that needs to be persisted
if level not in stored_messages_settings.STORE_LEVELS or self.user.is_anonymous():
return super(StorageMixin, self).add(level, message, extra_tags)
self.added_new = True
m = self.backend.create_message(level, message, extra_tags)
self.backend.archive_store([self.user], m)
self._queued_messages.append(m) |
def _store(self, messages, response, *args, **kwargs):
"""
persistent messages are already in the database inside the 'archive',
so we can say they're already "stored".
Here we put them in the inbox, or remove from the inbox in case the
messages were iterated.
messages contains only new msgs if self.used==True
else contains both new and unread messages
"""
contrib_messages = []
if self.user.is_authenticated():
if not messages:
# erase inbox
self.backend.inbox_purge(self.user)
else:
for m in messages:
try:
self.backend.inbox_store([self.user], m)
except MessageTypeNotSupported:
contrib_messages.append(m)
super(StorageMixin, self)._store(contrib_messages, response, *args, **kwargs) |
def _prepare_messages(self, messages):
"""
Like the base class method, prepares a list of messages for storage
but avoid to do this for `models.Message` instances.
"""
for message in messages:
if not self.backend.can_handle(message):
message._prepare() |
def jocker(test_options=None):
"""Main entry point for script."""
version = ver_check()
options = test_options or docopt(__doc__, version=version)
_set_global_verbosity_level(options.get('--verbose'))
jocker_lgr.debug(options)
jocker_run(options) |
def init(base_level=DEFAULT_BASE_LOGGING_LEVEL,
verbose_level=DEFAULT_VERBOSE_LOGGING_LEVEL,
logging_config=None):
"""initializes a base logger
you can use this to init a logger in any of your files.
this will use config.py's LOGGER param and logging.dictConfig to configure
the logger for you.
:param int|logging.LEVEL base_level: desired base logging level
:param int|logging.LEVEL verbose_level: desired verbose logging level
:param dict logging_dict: dictConfig based configuration.
used to override the default configuration from config.py
:rtype: `python logger`
"""
if logging_config is None:
logging_config = {}
logging_config = logging_config or LOGGER
# TODO: (IMPRV) only perform file related actions if file handler is
# TODO: (IMPRV) defined.
log_file = LOGGER['handlers']['file']['filename']
log_dir = os.path.dirname(os.path.expanduser(log_file))
if os.path.isfile(log_dir):
sys.exit('file {0} exists - log directory cannot be created '
'there. please remove the file and try again.'
.format(log_dir))
try:
if not os.path.exists(log_dir) and not len(log_dir) == 0:
os.makedirs(log_dir)
dictconfig.dictConfig(logging_config)
lgr = logging.getLogger('user')
lgr.setLevel(base_level)
return lgr
except ValueError as e:
sys.exit('could not initialize logger.'
' verify your logger config'
' and permissions to write to {0} ({1})'
.format(log_file, e)) |
def cfg_convert(self, value):
"""Default converter for the cfg:// protocol."""
rest = value
m = self.WORD_PATTERN.match(rest)
if m is None:
raise ValueError("Unable to convert %r" % value)
else:
rest = rest[m.end():]
d = self.config[m.groups()[0]]
# print d, rest
while rest:
m = self.DOT_PATTERN.match(rest)
if m:
d = d[m.groups()[0]]
else:
m = self.INDEX_PATTERN.match(rest)
if m:
idx = m.groups()[0]
if not self.DIGIT_PATTERN.match(idx):
d = d[idx]
else:
try:
n = int(idx)
d = d[n]
except TypeError:
d = d[idx]
if m:
rest = rest[m.end():]
else:
raise ValueError('Unable to convert '
'%r at %r' % (value, rest))
# rest should be empty
return d |
def configure_custom(self, config):
"""Configure an object with a user-supplied factory."""
c = config.pop('()')
if not hasattr(c, '__call__') and \
hasattr(types, 'ClassType') and isinstance(c, types.ClassType):
c = self.resolve(c)
props = config.pop('.', None)
# Check for valid identifiers
kwargs = dict((k, config[k]) for k in config if valid_ident(k))
result = c(**kwargs)
if props:
for name, value in props.items():
setattr(result, name, value)
return result |
def _set_global_verbosity_level(is_verbose_output=False):
"""sets the global verbosity level for console and the jocker_lgr logger.
:param bool is_verbose_output: should be output be verbose
"""
global verbose_output
# TODO: (IMPRV) only raise exceptions in verbose mode
verbose_output = is_verbose_output
if verbose_output:
jocker_lgr.setLevel(logging.DEBUG)
else:
jocker_lgr.setLevel(logging.INFO) |
def _import_config(config_file):
"""returns a configuration object
:param string config_file: path to config file
"""
# get config file path
jocker_lgr.debug('config file is: {0}'.format(config_file))
# append to path for importing
try:
jocker_lgr.debug('importing config...')
with open(config_file, 'r') as c:
return yaml.safe_load(c.read())
except IOError as ex:
jocker_lgr.error(str(ex))
raise RuntimeError('cannot access config file')
except yaml.parser.ParserError as ex:
jocker_lgr.error('invalid yaml file: {0}'.format(ex))
raise RuntimeError('invalid yaml file') |
def execute(varsfile, templatefile, outputfile=None, configfile=None,
dryrun=False, build=False, push=False, verbose=False):
"""generates a Dockerfile, builds an image and pushes it to DockerHub
A `Dockerfile` will be generated by Jinja2 according to the `varsfile`
imported. If build is true, an image will be generated from the
`outputfile` which is the generated Dockerfile and committed to the
image:tag string supplied to `build`.
If push is true, a build will be triggered and the produced image
will be pushed to DockerHub upon completion.
:param string varsfile: path to file with variables.
:param string templatefile: path to template file to use.
:param string outputfile: path to output Dockerfile.
:param string configfile: path to yaml file with docker-py config.
:param bool dryrun: mock run.
:param build: False or the image:tag to build to.
:param push: False or the image:tag to build to. (triggers build)
:param bool verbose: verbose output.
"""
if dryrun and (build or push):
jocker_lgr.error('dryrun requested, cannot build.')
sys.exit(100)
_set_global_verbosity_level(verbose)
j = Jocker(varsfile, templatefile, outputfile, configfile, dryrun,
build, push)
formatted_text = j.generate()
if dryrun:
g = j.dryrun(formatted_text)
if build or push:
j.build_image()
if push:
j.push_image()
if dryrun:
return g |
def _parse_dumb_push_output(self, string):
"""since the push process outputs a single unicode string consisting of
multiple JSON formatted "status" lines, we need to parse it so that it
can be read as multiple strings.
This will receive the string as an input, count curly braces and ignore
any newlines. When the curly braces stack is 0, it will append the
entire string it has read up until then to a list and so forth.
:param string: the string to parse
:rtype: list of JSON's
"""
stack = 0
json_list = []
tmp_json = ''
for char in string:
if not char == '\r' and not char == '\n':
tmp_json += char
if char == '{':
stack += 1
elif char == '}':
stack -= 1
if stack == 0:
if not len(tmp_json) == 0:
json_list.append(tmp_json)
tmp_json = ''
return json_list |
def upload_gif(gif):
"""Uploads an image file to Imgur"""
client_id = os.environ.get('IMGUR_API_ID')
client_secret = os.environ.get('IMGUR_API_SECRET')
if client_id is None or client_secret is None:
click.echo('Cannot upload - could not find IMGUR_API_ID or IMGUR_API_SECRET environment variables')
return
client = ImgurClient(client_id, client_secret)
click.echo('Uploading file {}'.format(click.format_filename(gif)))
response = client.upload_from_path(gif)
click.echo('File uploaded - see your gif at {}'.format(response['link'])) |
def is_dot(ip):
"""Return true if the IP address is in dotted decimal notation."""
octets = str(ip).split('.')
if len(octets) != 4:
return False
for i in octets:
try:
val = int(i)
except ValueError:
return False
if val > 255 or val < 0:
return False
return True |
def is_bin(ip):
"""Return true if the IP address is in binary notation."""
try:
ip = str(ip)
if len(ip) != 32:
return False
dec = int(ip, 2)
except (TypeError, ValueError):
return False
if dec > 4294967295 or dec < 0:
return False
return True |
def is_oct(ip):
"""Return true if the IP address is in octal notation."""
try:
dec = int(str(ip), 8)
except (TypeError, ValueError):
return False
if dec > 0o37777777777 or dec < 0:
return False
return True |
def is_dec(ip):
"""Return true if the IP address is in decimal notation."""
try:
dec = int(str(ip))
except ValueError:
return False
if dec > 4294967295 or dec < 0:
return False
return True |
def _check_nm(nm, notation):
"""Function internally used to check if the given netmask
is of the specified notation."""
# Convert to decimal, and check if it's in the list of valid netmasks.
_NM_CHECK_FUNCT = {
NM_DOT: _dot_to_dec,
NM_HEX: _hex_to_dec,
NM_BIN: _bin_to_dec,
NM_OCT: _oct_to_dec,
NM_DEC: _dec_to_dec_long}
try:
dec = _NM_CHECK_FUNCT[notation](nm, check=True)
except ValueError:
return False
if dec in _NETMASKS_VALUES:
return True
return False |
def is_bits_nm(nm):
"""Return true if the netmask is in bits notatation."""
try:
bits = int(str(nm))
except ValueError:
return False
if bits > 32 or bits < 0:
return False
return True |
def is_wildcard_nm(nm):
"""Return true if the netmask is in wildcard bits notatation."""
try:
dec = 0xFFFFFFFF - _dot_to_dec(nm, check=True)
except ValueError:
return False
if dec in _NETMASKS_VALUES:
return True
return False |
def _dot_to_dec(ip, check=True):
"""Dotted decimal notation to decimal conversion."""
if check and not is_dot(ip):
raise ValueError('_dot_to_dec: invalid IP: "%s"' % ip)
octets = str(ip).split('.')
dec = 0
dec |= int(octets[0]) << 24
dec |= int(octets[1]) << 16
dec |= int(octets[2]) << 8
dec |= int(octets[3])
return dec |
def _dec_to_dot(ip):
"""Decimal to dotted decimal notation conversion."""
first = int((ip >> 24) & 255)
second = int((ip >> 16) & 255)
third = int((ip >> 8) & 255)
fourth = int(ip & 255)
return '%d.%d.%d.%d' % (first, second, third, fourth) |
def _hex_to_dec(ip, check=True):
"""Hexadecimal to decimal conversion."""
if check and not is_hex(ip):
raise ValueError('_hex_to_dec: invalid IP: "%s"' % ip)
if isinstance(ip, int):
ip = hex(ip)
return int(str(ip), 16) |
def _oct_to_dec(ip, check=True):
"""Octal to decimal conversion."""
if check and not is_oct(ip):
raise ValueError('_oct_to_dec: invalid IP: "%s"' % ip)
if isinstance(ip, int):
ip = oct(ip)
return int(str(ip), 8) |
def _bin_to_dec(ip, check=True):
"""Binary to decimal conversion."""
if check and not is_bin(ip):
raise ValueError('_bin_to_dec: invalid IP: "%s"' % ip)
if isinstance(ip, int):
ip = str(ip)
return int(str(ip), 2) |
def _BYTES_TO_BITS():
"""Generate a table to convert a whole byte to binary.
This code was taken from the Python Cookbook, 2nd edition - O'Reilly."""
the_table = 256*[None]
bits_per_byte = list(range(7, -1, -1))
for n in range(256):
l = n
bits = 8*[None]
for i in bits_per_byte:
bits[i] = '01'[n & 1]
n >>= 1
the_table[l] = ''.join(bits)
return the_table |
def _dec_to_bin(ip):
"""Decimal to binary conversion."""
bits = []
while ip:
bits.append(_BYTES_TO_BITS[ip & 255])
ip >>= 8
bits.reverse()
return ''.join(bits) or 32*'0' |
def _dec_to_dec_long(ip, check=True):
"""Decimal to decimal (long) conversion."""
if check and not is_dec(ip):
raise ValueError('_dec_to_dec: invalid IP: "%s"' % ip)
return int(str(ip)) |
def _bits_to_dec(nm, check=True):
"""Bits to decimal conversion."""
if check and not is_bits_nm(nm):
raise ValueError('_bits_to_dec: invalid netmask: "%s"' % nm)
bits = int(str(nm))
return VALID_NETMASKS[bits] |
def _wildcard_to_dec(nm, check=False):
"""Wildcard bits to decimal conversion."""
if check and not is_wildcard_nm(nm):
raise ValueError('_wildcard_to_dec: invalid netmask: "%s"' % nm)
return 0xFFFFFFFF - _dot_to_dec(nm, check=False) |
def _is_notation(ip, notation, _isnm):
"""Internally used to check if an IP/netmask is in the given notation."""
notation_orig = notation
notation = _get_notation(notation)
if notation not in _CHECK_FUNCT_KEYS:
raise ValueError('_is_notation: unkown notation: "%s"' % notation_orig)
return _CHECK_FUNCT[notation][_isnm](ip) |
def _detect(ip, _isnm):
"""Function internally used to detect the notation of the
given IP or netmask."""
ip = str(ip)
if len(ip) > 1:
if ip[0:2] == '0x':
if _CHECK_FUNCT[IP_HEX][_isnm](ip):
return IP_HEX
elif ip[0] == '0':
if _CHECK_FUNCT[IP_OCT][_isnm](ip):
return IP_OCT
if _CHECK_FUNCT[IP_DOT][_isnm](ip):
return IP_DOT
elif _isnm and _CHECK_FUNCT[NM_BITS][_isnm](ip):
return NM_BITS
elif _CHECK_FUNCT[IP_DEC][_isnm](ip):
return IP_DEC
elif _isnm and _CHECK_FUNCT[NM_WILDCARD][_isnm](ip):
return NM_WILDCARD
elif _CHECK_FUNCT[IP_BIN][_isnm](ip):
return IP_BIN
return IP_UNKNOWN |
def _convert(ip, notation, inotation, _check, _isnm):
"""Internally used to convert IPs and netmasks to other notations."""
inotation_orig = inotation
notation_orig = notation
inotation = _get_notation(inotation)
notation = _get_notation(notation)
if inotation is None:
raise ValueError('_convert: unknown input notation: "%s"' % inotation_orig)
if notation is None:
raise ValueError('_convert: unknown output notation: "%s"' % notation_orig)
docheck = _check or False
if inotation == IP_UNKNOWN:
inotation = _detect(ip, _isnm)
if inotation == IP_UNKNOWN:
raise ValueError('_convert: unable to guess input notation or invalid value')
if _check is None:
docheck = True
# We _always_ check this case later.
if _isnm:
docheck = False
dec = 0
if inotation == IP_DOT:
dec = _dot_to_dec(ip, docheck)
elif inotation == IP_HEX:
dec = _hex_to_dec(ip, docheck)
elif inotation == IP_BIN:
dec = _bin_to_dec(ip, docheck)
elif inotation == IP_OCT:
dec = _oct_to_dec(ip, docheck)
elif inotation == IP_DEC:
dec = _dec_to_dec_long(ip, docheck)
elif _isnm and inotation == NM_BITS:
dec = _bits_to_dec(ip, docheck)
elif _isnm and inotation == NM_WILDCARD:
dec = _wildcard_to_dec(ip, docheck)
else:
raise ValueError('_convert: unknown IP/netmask notation: "%s"' % inotation_orig)
# Ensure this is a valid netmask.
if _isnm and dec not in _NETMASKS_VALUES:
raise ValueError('_convert: invalid netmask: "%s"' % ip)
if notation == IP_DOT:
return _dec_to_dot(dec)
elif notation == IP_HEX:
return _dec_to_hex(dec)
elif notation == IP_BIN:
return _dec_to_bin(dec)
elif notation == IP_OCT:
return _dec_to_oct(dec)
elif notation == IP_DEC:
return _dec_to_dec_str(dec)
elif _isnm and notation == NM_BITS:
return _dec_to_bits(dec)
elif _isnm and notation == NM_WILDCARD:
return _dec_to_wildcard(dec)
else:
raise ValueError('convert: unknown notation: "%s"' % notation_orig) |
def convert(ip, notation=IP_DOT, inotation=IP_UNKNOWN, check=True):
"""Convert among IP address notations.
Given an IP address, this function returns the address
in another notation.
@param ip: the IP address.
@type ip: integers, strings or object with an appropriate __str()__ method.
@param notation: the notation of the output (default: IP_DOT).
@type notation: one of the IP_* constants, or the equivalent strings.
@param inotation: force the input to be considered in the given notation
(default the notation of the input is autodetected).
@type inotation: one of the IP_* constants, or the equivalent strings.
@param check: force the notation check on the input.
@type check: True force the check, False force not to check and None
do the check only if the inotation is unknown.
@return: a string representing the IP in the selected notation.
@raise ValueError: raised when the input is in unknown notation."""
return _convert(ip, notation, inotation, _check=check, _isnm=False) |
def convert_nm(nm, notation=IP_DOT, inotation=IP_UNKNOWN, check=True):
"""Convert a netmask to another notation."""
return _convert(nm, notation, inotation, _check=check, _isnm=True) |
def set(self, ip, notation=IP_UNKNOWN):
"""Set the IP address/netmask."""
self._ip_dec = int(_convert(ip, notation=IP_DEC, inotation=notation,
_check=True, _isnm=self._isnm))
self._ip = _convert(self._ip_dec, notation=IP_DOT, inotation=IP_DEC,
_check=False, _isnm=self._isnm) |
def get_hex(self):
"""Return the hexadecimal notation of the address/netmask."""
return _convert(self._ip_dec, notation=IP_HEX,
inotation=IP_DEC, _check=False, _isnm=self._isnm) |
def get_bin(self):
"""Return the binary notation of the address/netmask."""
return _convert(self._ip_dec, notation=IP_BIN,
inotation=IP_DEC, _check=False, _isnm=self._isnm) |
def get_oct(self):
"""Return the octal notation of the address/netmask."""
return _convert(self._ip_dec, notation=IP_OCT,
inotation=IP_DEC, _check=False, _isnm=self._isnm) |
def _cmp_prepare(self, other):
"""Prepare the item to be compared with this address/netmask."""
if isinstance(other, self.__class__):
return other._ip_dec
elif isinstance(other, int):
# NOTE: this hides the fact that "other" can be a non valid IP/nm.
return other
return self.__class__(other)._ip_dec |
def _add(self, other):
"""Sum two IP addresses."""
if isinstance(other, self.__class__):
sum_ = self._ip_dec + other._ip_dec
elif isinstance(other, int):
sum_ = self._ip_dec + other
else:
other = self.__class__(other)
sum_ = self._ip_dec + other._ip_dec
return sum_ |
def _sub(self, other):
"""Subtract two IP addresses."""
if isinstance(other, self.__class__):
sub = self._ip_dec - other._ip_dec
if isinstance(other, int):
sub = self._ip_dec - other
else:
other = self.__class__(other)
sub = self._ip_dec - other._ip_dec
return sub |
def get_bits(self):
"""Return the bits notation of the netmask."""
return _convert(self._ip, notation=NM_BITS,
inotation=IP_DOT, _check=False, _isnm=self._isnm) |
def get_wildcard(self):
"""Return the wildcard bits notation of the netmask."""
return _convert(self._ip, notation=NM_WILDCARD,
inotation=IP_DOT, _check=False, _isnm=self._isnm) |
def set(self, ip, netmask=None):
"""Set the IP address and the netmask."""
if isinstance(ip, str) and netmask is None:
ipnm = ip.split('/')
if len(ipnm) != 2:
raise ValueError('set: invalid CIDR: "%s"' % ip)
ip = ipnm[0]
netmask = ipnm[1]
if isinstance(ip, IPv4Address):
self._ip = ip
else:
self._ip = IPv4Address(ip)
if isinstance(netmask, IPv4NetMask):
self._nm = netmask
else:
self._nm = IPv4NetMask(netmask)
ipl = int(self._ip)
nml = int(self._nm)
base_add = ipl & nml
self._ip_num = 0xFFFFFFFF - 1 - nml
# NOTE: quite a mess.
# This's here to handle /32 (-1) and /31 (0) netmasks.
if self._ip_num in (-1, 0):
if self._ip_num == -1:
self._ip_num = 1
else:
self._ip_num = 2
self._net_ip = None
self._bc_ip = None
self._first_ip_dec = base_add
self._first_ip = IPv4Address(self._first_ip_dec, notation=IP_DEC)
if self._ip_num == 1:
last_ip_dec = self._first_ip_dec
else:
last_ip_dec = self._first_ip_dec + 1
self._last_ip = IPv4Address(last_ip_dec, notation=IP_DEC)
return
self._net_ip = IPv4Address(base_add, notation=IP_DEC)
self._bc_ip = IPv4Address(base_add + self._ip_num + 1, notation=IP_DEC)
self._first_ip_dec = base_add + 1
self._first_ip = IPv4Address(self._first_ip_dec, notation=IP_DEC)
self._last_ip = IPv4Address(base_add + self._ip_num, notation=IP_DEC) |
def set_ip(self, ip):
"""Change the current IP."""
self.set(ip=ip, netmask=self._nm) |
def set_netmask(self, netmask):
"""Change the current netmask."""
self.set(ip=self._ip, netmask=netmask) |
def is_valid_ip(self, ip):
"""Return true if the given address in amongst the usable addresses,
or if the given CIDR is contained in this one."""
if not isinstance(ip, (IPv4Address, CIDR)):
if str(ip).find('/') == -1:
ip = IPv4Address(ip)
else:
# Support for CIDR strings/objects, an idea of Nicola Novello.
ip = CIDR(ip)
if isinstance(ip, IPv4Address):
if ip < self._first_ip or ip > self._last_ip:
return False
elif isinstance(ip, CIDR):
# NOTE: manage /31 networks; 127.0.0.1/31 is considered to
# be included in 127.0.0.1/8.
if ip._nm._ip_dec == 0xFFFFFFFE \
and self._nm._ip_dec != 0xFFFFFFFE:
compare_to_first = self._net_ip._ip_dec
compare_to_last = self._bc_ip._ip_dec
else:
compare_to_first = self._first_ip._ip_dec
compare_to_last = self._last_ip._ip_dec
if ip._first_ip._ip_dec < compare_to_first or \
ip._last_ip._ip_dec > compare_to_last:
return False
return True |
async def upload_file(self, bucket, file, uploadpath=None, key=None,
ContentType=None, **kw):
"""Upload a file to S3 possibly using the multi-part uploader
Return the key uploaded
"""
is_filename = False
if hasattr(file, 'read'):
if hasattr(file, 'seek'):
file.seek(0)
file = file.read()
size = len(file)
elif key:
size = len(file)
else:
is_filename = True
size = os.stat(file).st_size
key = os.path.basename(file)
assert key, 'key not available'
if not ContentType:
ContentType, _ = mimetypes.guess_type(key)
if uploadpath:
if not uploadpath.endswith('/'):
uploadpath = '%s/' % uploadpath
key = '%s%s' % (uploadpath, key)
params = dict(Bucket=bucket, Key=key)
if not ContentType:
ContentType = 'application/octet-stream'
params['ContentType'] = ContentType
if size > MULTI_PART_SIZE and is_filename:
resp = await _multipart(self, file, params)
elif is_filename:
with open(file, 'rb') as fp:
params['Body'] = fp.read()
resp = await self.put_object(**params)
else:
params['Body'] = file
resp = await self.put_object(**params)
if 'Key' not in resp:
resp['Key'] = key
if 'Bucket' not in resp:
resp['Bucket'] = bucket
return resp |
async def copy_storage_object(self, source_bucket, source_key,
bucket, key):
"""Copy a file from one bucket into another
"""
info = await self.head_object(Bucket=source_bucket, Key=source_key)
size = info['ContentLength']
if size > MULTI_PART_SIZE:
result = await _multipart_copy(self, source_bucket, source_key,
bucket, key, size)
else:
result = await self.copy_object(
Bucket=bucket, Key=key,
CopySource=_source_string(source_bucket, source_key)
)
return result |
def upload_folder(self, bucket, folder, key=None, skip=None,
content_types=None):
"""Recursively upload a ``folder`` into a backet.
:param bucket: bucket where to upload the folder to
:param folder: the folder location in the local file system
:param key: Optional key where the folder is uploaded
:param skip: Optional list of files to skip
:param content_types: Optional dictionary mapping suffixes to
content types
:return: a coroutine
"""
uploader = FolderUploader(self, bucket, folder, key, skip,
content_types)
return uploader.start() |
async def _upload_file(self, full_path):
"""Coroutine for uploading a single file
"""
rel_path = os.path.relpath(full_path, self.folder)
key = s3_key(os.path.join(self.key, rel_path))
ct = self.content_types.get(key.split('.')[-1])
with open(full_path, 'rb') as fp:
file = fp.read()
try:
await self.botocore.upload_file(self.bucket, file, key=key,
ContentType=ct)
except Exception as exc:
LOGGER.error('Could not upload "%s": %s', key, exc)
self.failures[key] = self.all.pop(full_path)
return
size = self.all.pop(full_path)
self.success[key] = size
self.total_size += size
percentage = 100*(1 - len(self.all)/self.total_files)
message = '{0:.0f}% completed - uploaded "{1}" - {2}'.format(
percentage, key, convert_bytes(size))
LOGGER.info(message) |
def get_paginator(self, operation_name):
"""Create a paginator for an operation.
:type operation_name: string
:param operation_name: The operation name. This is the same name
as the method name on the client. For example, if the
method name is ``create_foo``, and you'd normally invoke the
operation as ``client.create_foo(**kwargs)``, if the
``create_foo`` operation can be paginated, you can use the
call ``client.get_paginator("create_foo")``.
:raise OperationNotPageableError: Raised if the operation is not
pageable. You can use the ``client.can_paginate`` method to
check if an operation is pageable.
:rtype: L{botocore.paginate.Paginator}
:return: A paginator object.
"""
if not self.can_paginate(operation_name):
raise OperationNotPageableError(operation_name=operation_name)
else:
actual_operation_name = self._PY_TO_OP_NAME[operation_name]
# substitute iterator with async one
Paginator.PAGE_ITERATOR_CLS = AsyncPageIterator
paginator = Paginator(
getattr(self, operation_name),
self._cache['page_config'][actual_operation_name])
return paginator |
async def trigger(self, event, data=None, socket_id=None):
'''Trigger an ``event`` on this channel
'''
json_data = json.dumps(data, cls=self.pusher.encoder)
query_string = self.signed_query(event, json_data, socket_id)
signed_path = "%s?%s" % (self.path, query_string)
pusher = self.pusher
absolute_url = pusher.get_absolute_path(signed_path)
response = await pusher.http.post(
absolute_url, data=json_data,
headers=[('Content-Type', 'application/json')])
response.raise_for_status()
return response.status_code == 202 |
async def connect(self):
'''Connect to a Pusher websocket
'''
if not self._consumer:
waiter = self._waiter = asyncio.Future()
try:
address = self._websocket_host()
self.logger.info('Connect to %s', address)
self._consumer = await self.http.get(address)
if self._consumer.status_code != 101:
raise PusherError("Could not connect to websocket")
except Exception as exc:
waiter.set_exception(exc)
raise
else:
await waiter
return self._consumer |
def on_message(self, websocket, message):
'''Handle websocket incoming messages
'''
waiter = self._waiter
self._waiter = None
encoded = json.loads(message)
event = encoded.get('event')
channel = encoded.get('channel')
data = json.loads(encoded.get('data'))
try:
if event == PUSHER_ERROR:
raise PusherError(data['message'], data['code'])
elif event == PUSHER_CONNECTION:
self.socket_id = data.get('socket_id')
self.logger.info('Succesfully connected on socket %s',
self.socket_id)
waiter.set_result(self.socket_id)
elif event == PUSHER_SUBSCRIBED:
self.logger.info('Succesfully subscribed to %s',
encoded.get('channel'))
elif channel:
self[channel]._event(event, data)
except Exception as exc:
if waiter:
waiter.set_exception(exc)
else:
self.logger.exception('pusher error') |
def urlsafe_nopadding_b64decode(data):
'''URL safe Base64 decode without padding (=)'''
padding = len(data) % 4
if padding != 0:
padding = 4 - padding
padding = '=' * padding
data = data + padding
return urlsafe_b64decode(data) |
def const_equal(str_a, str_b):
'''Constant time string comparison'''
if len(str_a) != len(str_b):
return False
result = True
for i in range(len(str_a)):
result &= (str_a[i] == str_b[i])
return result |
def decode_html_entities(html):
"""
Decodes a limited set of HTML entities.
"""
if not html:
return html
for entity, char in six.iteritems(html_entity_map):
html = html.replace(entity, char)
return html |
def set_signature_passphrases(self, signature_passphrases):
'''Set signature passphrases'''
self.signature_passphrases = self._update_dict(signature_passphrases,
{}, replace_data=True) |
def set_encryption_passphrases(self, encryption_passphrases):
'''Set encryption passphrases'''
self.encryption_passphrases = self._update_dict(encryption_passphrases,
{}, replace_data=True) |
def set_algorithms(self, signature=None, encryption=None,
serialization=None, compression=None):
'''Set algorithms used for sealing. Defaults can not be overridden.'''
self.signature_algorithms = \
self._update_dict(signature, self.DEFAULT_SIGNATURE)
self.encryption_algorithms = \
self._update_dict(encryption, self.DEFAULT_ENCRYPTION)
self.serialization_algorithms = \
self._update_dict(serialization, self.DEFAULT_SERIALIZATION)
self.compression_algorithms = \
self._update_dict(compression, self.DEFAULT_COMPRESSION) |
def get_algorithms(self):
'''Get algorithms used for sealing'''
return {
'signature': self.signature_algorithms,
'encryption': self.encryption_algorithms,
'serialization': self.serialization_algorithms,
'compression': self.compression_algorithms,
} |
def _set_options(self, options):
'''Private function for setting options used for sealing'''
if not options:
return self.options.copy()
options = options.copy()
if 'magic' in options:
self.set_magic(options['magic'])
del(options['magic'])
if 'flags' in options:
flags = options['flags']
del(options['flags'])
for key, value in flags.iteritems():
if not isinstance(value, bool):
raise TypeError('Invalid flag type for: %s' % key)
else:
flags = self.options['flags']
if 'info' in options:
del(options['info'])
for key, value in options.iteritems():
if not isinstance(value, int):
raise TypeError('Invalid option type for: %s' % key)
if value < 0 or value > 255:
raise ValueError('Option value out of range for: %s' % key)
new_options = self.options.copy()
new_options.update(options)
new_options['flags'].update(flags)
return new_options |
def set_magic(self, magic):
'''Set magic (prefix)'''
if magic is None or isinstance(magic, str):
self.magic = magic
else:
raise TypeError('Invalid value for magic') |
def seal(self, data, options=None):
'''Seal data'''
options = self._set_options(options)
data = self._serialize_data(data, options)
data = self._compress_data(data, options)
data = self._encrypt_data(data, options)
data = self._add_header(data, options)
data = self._add_magic(data)
data = self._sign_data(data, options)
data = self._remove_magic(data)
data = urlsafe_nopadding_b64encode(data)
data = self._add_magic(data)
return data |
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