mirror of https://github.com/morpheus65535/bazarr
798 lines
29 KiB
Python
798 lines
29 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
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# All rights reserved.
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#
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# This code is licensed under the MIT License.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files(the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions :
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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import re
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import os
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import six
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from markdown import markdown
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from itertools import chain
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from .common import NotifyType
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from .common import NotifyFormat
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from .common import MATCH_ALL_TAG
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from .utils import is_exclusive_match
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from .utils import parse_list
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from .utils import parse_urls
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from .utils import cwe312_url
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from .logger import logger
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from .AppriseAsset import AppriseAsset
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from .AppriseConfig import AppriseConfig
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from .AppriseAttachment import AppriseAttachment
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from .AppriseLocale import AppriseLocale
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from .config.ConfigBase import ConfigBase
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from .plugins.NotifyBase import NotifyBase
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from . import plugins
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from . import __version__
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# Python v3+ support code made importable so it can remain backwards
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# compatible with Python v2
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from . import py3compat
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ASYNCIO_SUPPORT = not six.PY2
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class Apprise(object):
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"""
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Our Notification Manager
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"""
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def __init__(self, servers=None, asset=None, location=None, debug=False):
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"""
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Loads a set of server urls while applying the Asset() module to each
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if specified.
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If no asset is provided, then the default asset is used.
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Optionally specify a global ContentLocation for a more strict means
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of handling Attachments.
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"""
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# Initialize a server list of URLs
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self.servers = list()
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# Assigns an central asset object that will be later passed into each
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# notification plugin. Assets contain information such as the local
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# directory images can be found in. It can also identify remote
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# URL paths that contain the images you want to present to the end
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# user. If no asset is specified, then the default one is used.
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self.asset = \
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asset if isinstance(asset, AppriseAsset) else AppriseAsset()
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if servers:
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self.add(servers)
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# Initialize our locale object
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self.locale = AppriseLocale()
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# Set our debug flag
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self.debug = debug
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# Store our hosting location for optional strict rule handling
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# of Attachments. Setting this to None removes any attachment
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# restrictions.
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self.location = location
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@staticmethod
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def instantiate(url, asset=None, tag=None, suppress_exceptions=True):
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"""
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Returns the instance of a instantiated plugin based on the provided
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Server URL. If the url fails to be parsed, then None is returned.
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The specified url can be either a string (the URL itself) or a
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dictionary containing all of the components needed to istantiate
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the notification service. If identifying a dictionary, at the bare
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minimum, one must specify the schema.
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An example of a url dictionary object might look like:
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{
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schema: 'mailto',
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host: 'google.com',
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user: 'myuser',
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password: 'mypassword',
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}
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Alternatively the string is much easier to specify:
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mailto://user:mypassword@google.com
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The dictionary works well for people who are calling details() to
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extract the components they need to build the URL manually.
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"""
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# Initialize our result set
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results = None
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# Prepare our Asset Object
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asset = asset if isinstance(asset, AppriseAsset) else AppriseAsset()
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if isinstance(url, six.string_types):
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# Acquire our url tokens
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results = plugins.url_to_dict(
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url, secure_logging=asset.secure_logging)
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if results is None:
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# Failed to parse the server URL; detailed logging handled
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# inside url_to_dict - nothing to report here.
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return None
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elif isinstance(url, dict):
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# We already have our result set
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results = url
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if results.get('schema') not in plugins.SCHEMA_MAP:
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# schema is a mandatory dictionary item as it is the only way
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# we can index into our loaded plugins
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logger.error('Dictionary does not include a "schema" entry.')
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logger.trace(
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'Invalid dictionary unpacked as:{}{}'.format(
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os.linesep, os.linesep.join(
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['{}="{}"'.format(k, v)
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for k, v in results.items()])))
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return None
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logger.trace(
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'Dictionary unpacked as:{}{}'.format(
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os.linesep, os.linesep.join(
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['{}="{}"'.format(k, v) for k, v in results.items()])))
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# Otherwise we handle the invalid input specified
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else:
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logger.error(
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'An invalid URL type (%s) was specified for instantiation',
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type(url))
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return None
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if not plugins.SCHEMA_MAP[results['schema']].enabled:
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#
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# First Plugin Enable Check (Pre Initialization)
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#
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# Plugin has been disabled at a global level
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logger.error(
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'%s:// is disabled on this system.', results['schema'])
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return None
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# Build a list of tags to associate with the newly added notifications
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results['tag'] = set(parse_list(tag))
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# Set our Asset Object
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results['asset'] = asset
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if suppress_exceptions:
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try:
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# Attempt to create an instance of our plugin using the parsed
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# URL information
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plugin = plugins.SCHEMA_MAP[results['schema']](**results)
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# Create log entry of loaded URL
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logger.debug(
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'Loaded {} URL: {}'.format(
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plugins.SCHEMA_MAP[results['schema']].service_name,
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plugin.url(privacy=asset.secure_logging)))
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except Exception:
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# CWE-312 (Secure Logging) Handling
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loggable_url = url if not asset.secure_logging \
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else cwe312_url(url)
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# the arguments are invalid or can not be used.
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logger.error(
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'Could not load {} URL: {}'.format(
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plugins.SCHEMA_MAP[results['schema']].service_name,
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loggable_url))
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return None
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else:
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# Attempt to create an instance of our plugin using the parsed
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# URL information but don't wrap it in a try catch
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plugin = plugins.SCHEMA_MAP[results['schema']](**results)
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if not plugin.enabled:
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#
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# Second Plugin Enable Check (Post Initialization)
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#
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# Service/Plugin is disabled (on a more local level). This is a
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# case where the plugin was initially enabled but then after the
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# __init__() was called under the hood something pre-determined
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# that it could no longer be used.
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# The only downside to doing it this way is services are
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# initialized prior to returning the details() if 3rd party tools
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# are polling what is available. These services that become
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# disabled thereafter are shown initially that they can be used.
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logger.error(
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'%s:// has become disabled on this system.', results['schema'])
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return None
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return plugin
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def add(self, servers, asset=None, tag=None):
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"""
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Adds one or more server URLs into our list.
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You can override the global asset if you wish by including it with the
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server(s) that you add.
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The tag allows you to associate 1 or more tag values to the server(s)
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being added. tagging a service allows you to exclusively access them
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when calling the notify() function.
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"""
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# Initialize our return status
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return_status = True
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if asset is None:
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# prepare default asset
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asset = self.asset
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if isinstance(servers, six.string_types):
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# build our server list
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servers = parse_urls(servers)
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if len(servers) == 0:
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return False
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elif isinstance(servers, dict):
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# no problem, we support kwargs, convert it to a list
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servers = [servers]
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elif isinstance(servers, (ConfigBase, NotifyBase, AppriseConfig)):
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# Go ahead and just add our plugin into our list
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self.servers.append(servers)
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return True
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elif not isinstance(servers, (tuple, set, list)):
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logger.error(
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"An invalid notification (type={}) was specified.".format(
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type(servers)))
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return False
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for _server in servers:
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if isinstance(_server, (ConfigBase, NotifyBase, AppriseConfig)):
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# Go ahead and just add our plugin into our list
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self.servers.append(_server)
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continue
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elif not isinstance(_server, (six.string_types, dict)):
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logger.error(
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"An invalid notification (type={}) was specified.".format(
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type(_server)))
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return_status = False
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continue
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# Instantiate ourselves an object, this function throws or
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# returns None if it fails
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instance = Apprise.instantiate(_server, asset=asset, tag=tag)
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if not isinstance(instance, NotifyBase):
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# No logging is required as instantiate() handles failure
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# and/or success reasons for us
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return_status = False
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continue
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# Add our initialized plugin to our server listings
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self.servers.append(instance)
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# Return our status
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return return_status
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def clear(self):
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"""
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Empties our server list
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"""
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self.servers[:] = []
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def find(self, tag=MATCH_ALL_TAG):
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"""
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Returns an list of all servers matching against the tag specified.
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"""
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# Build our tag setup
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# - top level entries are treated as an 'or'
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# - second level (or more) entries are treated as 'and'
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#
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# examples:
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# tag="tagA, tagB" = tagA or tagB
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# tag=['tagA', 'tagB'] = tagA or tagB
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# tag=[('tagA', 'tagC'), 'tagB'] = (tagA and tagC) or tagB
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# tag=[('tagB', 'tagC')] = tagB and tagC
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# Iterate over our loaded plugins
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for entry in self.servers:
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if isinstance(entry, (ConfigBase, AppriseConfig)):
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# load our servers
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servers = entry.servers()
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else:
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servers = [entry, ]
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for server in servers:
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# Apply our tag matching based on our defined logic
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if is_exclusive_match(
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logic=tag, data=server.tags, match_all=MATCH_ALL_TAG):
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yield server
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return
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def notify(self, body, title='', notify_type=NotifyType.INFO,
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body_format=None, tag=MATCH_ALL_TAG, attach=None,
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interpret_escapes=None):
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"""
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Send a notification to all of the plugins previously loaded.
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If the body_format specified is NotifyFormat.MARKDOWN, it will
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be converted to HTML if the Notification type expects this.
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if the tag is specified (either a string or a set/list/tuple
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of strings), then only the notifications flagged with that
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tagged value are notified. By default all added services
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are notified (tag=MATCH_ALL_TAG)
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This function returns True if all notifications were successfully
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sent, False if even just one of them fails, and None if no
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notifications were sent at all as a result of tag filtering and/or
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simply having empty configuration files that were read.
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Attach can contain a list of attachment URLs. attach can also be
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represented by a an AttachBase() (or list of) object(s). This
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identifies the products you wish to notify
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Set interpret_escapes to True if you want to pre-escape a string
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such as turning a \n into an actual new line, etc.
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"""
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if ASYNCIO_SUPPORT:
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return py3compat.asyncio.tosync(
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self.async_notify(
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body, title,
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notify_type=notify_type, body_format=body_format,
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tag=tag, attach=attach,
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interpret_escapes=interpret_escapes,
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),
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debug=self.debug
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)
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else:
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try:
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results = list(
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self._notifyall(
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Apprise._notifyhandler,
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body, title,
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notify_type=notify_type, body_format=body_format,
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tag=tag, attach=attach,
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interpret_escapes=interpret_escapes,
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)
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)
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except TypeError:
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# No notifications sent, and there was an internal error.
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return False
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else:
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if len(results) > 0:
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# All notifications sent, return False if any failed.
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return all(results)
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else:
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# No notifications sent.
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return None
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def async_notify(self, *args, **kwargs):
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"""
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Send a notification to all of the plugins previously loaded, for
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asynchronous callers. This method is an async method that should be
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awaited on, even if it is missing the async keyword in its signature.
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(This is omitted to preserve syntax compatibility with Python 2.)
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The arguments are identical to those of Apprise.notify(). This method
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is not available in Python 2.
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"""
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try:
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coroutines = list(
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self._notifyall(
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Apprise._notifyhandlerasync, *args, **kwargs))
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except TypeError:
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# No notifications sent, and there was an internal error.
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return py3compat.asyncio.toasyncwrap(False)
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else:
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if len(coroutines) > 0:
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# All notifications sent, return False if any failed.
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return py3compat.asyncio.notify(coroutines)
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else:
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# No notifications sent.
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return py3compat.asyncio.toasyncwrap(None)
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@staticmethod
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def _notifyhandler(server, **kwargs):
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"""
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The synchronous notification sender. Returns True if the notification
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sent successfully.
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"""
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try:
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# Send notification
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return server.notify(**kwargs)
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except TypeError:
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# These our our internally thrown notifications
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return False
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except Exception:
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# A catch all so we don't have to abort early
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# just because one of our plugins has a bug in it.
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logger.exception("Unhandled Notification Exception")
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return False
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@staticmethod
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def _notifyhandlerasync(server, **kwargs):
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"""
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The asynchronous notification sender. Returns a coroutine that yields
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True if the notification sent successfully.
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"""
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if server.asset.async_mode:
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return server.async_notify(**kwargs)
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else:
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# Send the notification immediately, and wrap the result in a
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# coroutine.
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status = Apprise._notifyhandler(server, **kwargs)
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return py3compat.asyncio.toasyncwrap(status)
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def _notifyall(self, handler, body, title='', notify_type=NotifyType.INFO,
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body_format=None, tag=MATCH_ALL_TAG, attach=None,
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interpret_escapes=None):
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"""
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Creates notifications for all of the plugins loaded.
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Returns a generator that calls handler for each notification. The first
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and only argument supplied to handler is the server, and the keyword
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arguments are exactly as they would be passed to server.notify().
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"""
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if len(self) == 0:
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# Nothing to notify
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raise TypeError("No service(s) to notify")
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if not (title or body):
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raise TypeError("No message content specified to deliver")
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if six.PY2:
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# Python 2.7.x Unicode Character Handling
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# Ensure we're working with utf-8
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if isinstance(title, unicode): # noqa: F821
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title = title.encode('utf-8')
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if isinstance(body, unicode): # noqa: F821
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body = body.encode('utf-8')
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# Tracks conversions
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conversion_map = dict()
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# Prepare attachments if required
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if attach is not None and not isinstance(attach, AppriseAttachment):
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attach = AppriseAttachment(
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attach, asset=self.asset, location=self.location)
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# Allow Asset default value
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body_format = self.asset.body_format \
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if body_format is None else body_format
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# Allow Asset default value
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interpret_escapes = self.asset.interpret_escapes \
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if interpret_escapes is None else interpret_escapes
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# Iterate over our loaded plugins
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for server in self.find(tag):
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# If our code reaches here, we either did not define a tag (it
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# was set to None), or we did define a tag and the logic above
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# determined we need to notify the service it's associated with
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if server.notify_format not in conversion_map:
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if body_format == NotifyFormat.MARKDOWN and \
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server.notify_format == NotifyFormat.HTML:
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# Apply Markdown
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conversion_map[server.notify_format] = markdown(body)
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elif body_format == NotifyFormat.TEXT and \
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server.notify_format == NotifyFormat.HTML:
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# Basic TEXT to HTML format map; supports keys only
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re_map = {
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# Support Ampersand
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r'&': '&',
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# Spaces to for formatting purposes since
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# multiple spaces are treated as one an this may
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# not be the callers intention
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r' ': ' ',
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# Tab support
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r'\t': ' ',
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# Greater than and Less than Characters
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r'>': '>',
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r'<': '<',
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}
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# Compile our map
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re_table = re.compile(
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r'(' + '|'.join(
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map(re.escape, re_map.keys())) + r')',
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re.IGNORECASE,
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)
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# Execute our map against our body in addition to
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# swapping out new lines and replacing them with <br/>
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conversion_map[server.notify_format] = \
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re.sub(r'\r*\n', '<br/>\r\n',
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re_table.sub(
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lambda x: re_map[x.group()], body))
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else:
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# Store entry directly
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conversion_map[server.notify_format] = body
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|
|
|
if interpret_escapes:
|
|
#
|
|
# Escape our content
|
|
#
|
|
|
|
try:
|
|
# Added overhead required due to Python 3 Encoding Bug
|
|
# identified here: https://bugs.python.org/issue21331
|
|
conversion_map[server.notify_format] = \
|
|
conversion_map[server.notify_format]\
|
|
.encode('ascii', 'backslashreplace')\
|
|
.decode('unicode-escape')
|
|
|
|
except UnicodeDecodeError: # pragma: no cover
|
|
# This occurs using a very old verion of Python 2.7 such
|
|
# as the one that ships with CentOS/RedHat 7.x (v2.7.5).
|
|
conversion_map[server.notify_format] = \
|
|
conversion_map[server.notify_format] \
|
|
.decode('string_escape')
|
|
|
|
except AttributeError:
|
|
# Must be of string type
|
|
logger.error('Failed to escape message body')
|
|
raise TypeError
|
|
|
|
if title:
|
|
try:
|
|
# Added overhead required due to Python 3 Encoding Bug
|
|
# identified here: https://bugs.python.org/issue21331
|
|
title = title\
|
|
.encode('ascii', 'backslashreplace')\
|
|
.decode('unicode-escape')
|
|
|
|
except UnicodeDecodeError: # pragma: no cover
|
|
# This occurs using a very old verion of Python 2.7
|
|
# such as the one that ships with CentOS/RedHat 7.x
|
|
# (v2.7.5).
|
|
title = title.decode('string_escape')
|
|
|
|
except AttributeError:
|
|
# Must be of string type
|
|
logger.error('Failed to escape message title')
|
|
raise TypeError
|
|
|
|
yield handler(
|
|
server,
|
|
body=conversion_map[server.notify_format],
|
|
title=title,
|
|
notify_type=notify_type,
|
|
attach=attach
|
|
)
|
|
|
|
def details(self, lang=None, show_requirements=False, show_disabled=False):
|
|
"""
|
|
Returns the details associated with the Apprise object
|
|
|
|
"""
|
|
|
|
# general object returned
|
|
response = {
|
|
# Defines the current version of Apprise
|
|
'version': __version__,
|
|
# Lists all of the currently supported Notifications
|
|
'schemas': [],
|
|
# Includes the configured asset details
|
|
'asset': self.asset.details(),
|
|
}
|
|
|
|
for plugin in set(plugins.SCHEMA_MAP.values()):
|
|
# Iterate over our hashed plugins and dynamically build details on
|
|
# their status:
|
|
|
|
content = {
|
|
'service_name': getattr(plugin, 'service_name', None),
|
|
'service_url': getattr(plugin, 'service_url', None),
|
|
'setup_url': getattr(plugin, 'setup_url', None),
|
|
# Placeholder - populated below
|
|
'details': None
|
|
}
|
|
|
|
# Standard protocol(s) should be None or a tuple
|
|
enabled = getattr(plugin, 'enabled', True)
|
|
if not show_disabled and not enabled:
|
|
# Do not show inactive plugins
|
|
continue
|
|
|
|
elif show_disabled:
|
|
# Add current state to response
|
|
content['enabled'] = enabled
|
|
|
|
# Standard protocol(s) should be None or a tuple
|
|
protocols = getattr(plugin, 'protocol', None)
|
|
if isinstance(protocols, six.string_types):
|
|
protocols = (protocols, )
|
|
|
|
# Secure protocol(s) should be None or a tuple
|
|
secure_protocols = getattr(plugin, 'secure_protocol', None)
|
|
if isinstance(secure_protocols, six.string_types):
|
|
secure_protocols = (secure_protocols, )
|
|
|
|
# Add our protocol details to our content
|
|
content.update({
|
|
'protocols': protocols,
|
|
'secure_protocols': secure_protocols,
|
|
})
|
|
|
|
if not lang:
|
|
# Simply return our results
|
|
content['details'] = plugins.details(plugin)
|
|
if show_requirements:
|
|
content['requirements'] = plugins.requirements(plugin)
|
|
|
|
else:
|
|
# Emulate the specified language when returning our results
|
|
with self.locale.lang_at(lang):
|
|
content['details'] = plugins.details(plugin)
|
|
if show_requirements:
|
|
content['requirements'] = plugins.requirements(plugin)
|
|
|
|
# Build our response object
|
|
response['schemas'].append(content)
|
|
|
|
return response
|
|
|
|
def urls(self, privacy=False):
|
|
"""
|
|
Returns all of the loaded URLs defined in this apprise object.
|
|
"""
|
|
return [x.url(privacy=privacy) for x in self.servers]
|
|
|
|
def pop(self, index):
|
|
"""
|
|
Removes an indexed Notification Service from the stack and returns it.
|
|
|
|
The thing is we can never pop AppriseConfig() entries, only what was
|
|
loaded within them. So pop needs to carefully iterate over our list
|
|
and only track actual entries.
|
|
"""
|
|
|
|
# Tracking variables
|
|
prev_offset = -1
|
|
offset = prev_offset
|
|
|
|
for idx, s in enumerate(self.servers):
|
|
if isinstance(s, (ConfigBase, AppriseConfig)):
|
|
servers = s.servers()
|
|
if len(servers) > 0:
|
|
# Acquire a new maximum offset to work with
|
|
offset = prev_offset + len(servers)
|
|
|
|
if offset >= index:
|
|
# we can pop an element from our config stack
|
|
fn = s.pop if isinstance(s, ConfigBase) \
|
|
else s.server_pop
|
|
|
|
return fn(index if prev_offset == -1
|
|
else (index - prev_offset - 1))
|
|
|
|
else:
|
|
offset = prev_offset + 1
|
|
if offset == index:
|
|
return self.servers.pop(idx)
|
|
|
|
# Update our old offset
|
|
prev_offset = offset
|
|
|
|
# If we reach here, then we indexed out of range
|
|
raise IndexError('list index out of range')
|
|
|
|
def __getitem__(self, index):
|
|
"""
|
|
Returns the indexed server entry of a loaded notification server
|
|
"""
|
|
# Tracking variables
|
|
prev_offset = -1
|
|
offset = prev_offset
|
|
|
|
for idx, s in enumerate(self.servers):
|
|
if isinstance(s, (ConfigBase, AppriseConfig)):
|
|
# Get our list of servers associate with our config object
|
|
servers = s.servers()
|
|
if len(servers) > 0:
|
|
# Acquire a new maximum offset to work with
|
|
offset = prev_offset + len(servers)
|
|
|
|
if offset >= index:
|
|
return servers[index if prev_offset == -1
|
|
else (index - prev_offset - 1)]
|
|
|
|
else:
|
|
offset = prev_offset + 1
|
|
if offset == index:
|
|
return self.servers[idx]
|
|
|
|
# Update our old offset
|
|
prev_offset = offset
|
|
|
|
# If we reach here, then we indexed out of range
|
|
raise IndexError('list index out of range')
|
|
|
|
def __bool__(self):
|
|
"""
|
|
Allows the Apprise object to be wrapped in an Python 3.x based 'if
|
|
statement'. True is returned if at least one service has been loaded.
|
|
"""
|
|
return len(self) > 0
|
|
|
|
def __nonzero__(self):
|
|
"""
|
|
Allows the Apprise object to be wrapped in an Python 2.x based 'if
|
|
statement'. True is returned if at least one service has been loaded.
|
|
"""
|
|
return len(self) > 0
|
|
|
|
def __iter__(self):
|
|
"""
|
|
Returns an iterator to each of our servers loaded. This includes those
|
|
found inside configuration.
|
|
"""
|
|
return chain(*[[s] if not isinstance(s, (ConfigBase, AppriseConfig))
|
|
else iter(s.servers()) for s in self.servers])
|
|
|
|
def __len__(self):
|
|
"""
|
|
Returns the number of servers loaded; this includes those found within
|
|
loaded configuration. This funtion nnever actually counts the
|
|
Config entry themselves (if they exist), only what they contain.
|
|
"""
|
|
return sum([1 if not isinstance(s, (ConfigBase, AppriseConfig))
|
|
else len(s.servers()) for s in self.servers])
|
|
|
|
|
|
if six.PY2:
|
|
del Apprise.async_notify
|