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871 lines
32 KiB
871 lines
32 KiB
# -*- coding: utf-8 -*-
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# BSD 2-Clause License
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#
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# Apprise - Push Notification Library.
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# Copyright (c) 2023, Chris Caron <lead2gold@gmail.com>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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import asyncio
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import concurrent.futures as cf
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import os
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from itertools import chain
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from . import common
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from .conversion import convert_between
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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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class Apprise:
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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, str):
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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 common.NOTIFY_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 common.NOTIFY_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 = common.NOTIFY_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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common.
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NOTIFY_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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common.
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NOTIFY_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 = common.NOTIFY_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, str):
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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, (str, 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=common.MATCH_ALL_TAG, match_always=True):
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"""
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Returns a 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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# A match_always flag allows us to pick up on our 'any' keyword
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# and notify these services under all circumstances
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match_always = common.MATCH_ALWAYS_TAG if match_always else None
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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,
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match_all=common.MATCH_ALL_TAG,
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match_always=match_always):
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yield server
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return
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def notify(self, body, title='', notify_type=common.NotifyType.INFO,
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body_format=None, tag=common.MATCH_ALL_TAG, match_always=True,
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attach=None, interpret_escapes=None):
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"""
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Send a notification to all 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 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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try:
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# Process arguments and build synchronous and asynchronous calls
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# (this step can throw internal errors).
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sequential_calls, parallel_calls = self._create_notify_calls(
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body, title,
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notify_type=notify_type, body_format=body_format,
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tag=tag, match_always=match_always, attach=attach,
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interpret_escapes=interpret_escapes
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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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if not sequential_calls and not parallel_calls:
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# Nothing to send
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return None
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sequential_result = Apprise._notify_sequential(*sequential_calls)
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parallel_result = Apprise._notify_parallel_threadpool(*parallel_calls)
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return sequential_result and parallel_result
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async def async_notify(self, *args, **kwargs):
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"""
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Send a notification to all the plugins previously loaded, for
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asynchronous callers.
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The arguments are identical to those of Apprise.notify().
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"""
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try:
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# Process arguments and build synchronous and asynchronous calls
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# (this step can throw internal errors).
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sequential_calls, parallel_calls = self._create_notify_calls(
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*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 False
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if not sequential_calls and not parallel_calls:
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# Nothing to send
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return None
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sequential_result = Apprise._notify_sequential(*sequential_calls)
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parallel_result = \
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await Apprise._notify_parallel_asyncio(*parallel_calls)
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return sequential_result and parallel_result
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def _create_notify_calls(self, *args, **kwargs):
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"""
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Creates notifications for all the plugins loaded.
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Returns a list of (server, notify() kwargs) tuples for plugins with
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parallelism disabled and another list for plugins with parallelism
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enabled.
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"""
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all_calls = list(self._create_notify_gen(*args, **kwargs))
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# Split into sequential and parallel notify() calls.
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sequential, parallel = [], []
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for (server, notify_kwargs) in all_calls:
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if server.asset.async_mode:
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parallel.append((server, notify_kwargs))
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else:
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sequential.append((server, notify_kwargs))
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return sequential, parallel
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def _create_notify_gen(self, body, title='',
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notify_type=common.NotifyType.INFO,
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body_format=None, tag=common.MATCH_ALL_TAG,
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match_always=True, attach=None,
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interpret_escapes=None):
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"""
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Internal generator function for _create_notify_calls().
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"""
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if len(self) == 0:
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# Nothing to notify
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msg = "There are no service(s) to notify"
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logger.error(msg)
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raise TypeError(msg)
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if not (title or body or attach):
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msg = "No message content specified to deliver"
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logger.error(msg)
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raise TypeError(msg)
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try:
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if title and isinstance(title, bytes):
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title = title.decode(self.asset.encoding)
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if body and isinstance(body, bytes):
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body = body.decode(self.asset.encoding)
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except UnicodeDecodeError:
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msg = 'The content passed into Apprise was not of encoding ' \
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'type: {}'.format(self.asset.encoding)
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logger.error(msg)
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raise TypeError(msg)
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# Tracks conversions
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conversion_body_map = dict()
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conversion_title_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, match_always=match_always):
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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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# First we need to generate a key we will use to determine if we
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# need to build our data out. Entries without are merged with
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# the body at this stage.
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key = server.notify_format if server.title_maxlen > 0\
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else f'_{server.notify_format}'
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if key not in conversion_title_map:
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# Prepare our title
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conversion_title_map[key] = '' if not title else title
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# Conversion of title only occurs for services where the title
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# is blended with the body (title_maxlen <= 0)
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if conversion_title_map[key] and server.title_maxlen <= 0:
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conversion_title_map[key] = convert_between(
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body_format, server.notify_format,
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content=conversion_title_map[key])
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# Our body is always converted no matter what
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conversion_body_map[key] = \
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convert_between(
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body_format, server.notify_format, content=body)
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if interpret_escapes:
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#
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# Escape our content
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#
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try:
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# Added overhead required due to Python 3 Encoding Bug
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# identified here: https://bugs.python.org/issue21331
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conversion_body_map[key] = \
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conversion_body_map[key]\
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.encode('ascii', 'backslashreplace')\
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.decode('unicode-escape')
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conversion_title_map[key] = \
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conversion_title_map[key]\
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.encode('ascii', 'backslashreplace')\
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.decode('unicode-escape')
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except AttributeError:
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# Must be of string type
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msg = 'Failed to escape message body'
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logger.error(msg)
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raise TypeError(msg)
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kwargs = dict(
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body=conversion_body_map[key],
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title=conversion_title_map[key],
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notify_type=notify_type,
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attach=attach,
|
|
body_format=body_format
|
|
)
|
|
yield (server, kwargs)
|
|
|
|
@staticmethod
|
|
def _notify_sequential(*servers_kwargs):
|
|
"""
|
|
Process a list of notify() calls sequentially and synchronously.
|
|
"""
|
|
|
|
success = True
|
|
|
|
for (server, kwargs) in servers_kwargs:
|
|
try:
|
|
# Send notification
|
|
result = server.notify(**kwargs)
|
|
success = success and result
|
|
|
|
except TypeError:
|
|
# These are our internally thrown notifications.
|
|
success = False
|
|
|
|
except Exception:
|
|
# A catch all so we don't have to abort early
|
|
# just because one of our plugins has a bug in it.
|
|
logger.exception("Unhandled Notification Exception")
|
|
success = False
|
|
|
|
return success
|
|
|
|
@staticmethod
|
|
def _notify_parallel_threadpool(*servers_kwargs):
|
|
"""
|
|
Process a list of notify() calls in parallel and synchronously.
|
|
"""
|
|
|
|
n_calls = len(servers_kwargs)
|
|
|
|
# 0-length case
|
|
if n_calls == 0:
|
|
return True
|
|
|
|
# There's no need to use a thread pool for just a single notification
|
|
if n_calls == 1:
|
|
return Apprise._notify_sequential(servers_kwargs[0])
|
|
|
|
# Create log entry
|
|
logger.info(
|
|
'Notifying %d service(s) with threads.', len(servers_kwargs))
|
|
|
|
with cf.ThreadPoolExecutor() as executor:
|
|
success = True
|
|
futures = [executor.submit(server.notify, **kwargs)
|
|
for (server, kwargs) in servers_kwargs]
|
|
|
|
for future in cf.as_completed(futures):
|
|
try:
|
|
result = future.result()
|
|
success = success and result
|
|
|
|
except TypeError:
|
|
# These are our internally thrown notifications.
|
|
success = False
|
|
|
|
except Exception:
|
|
# A catch all so we don't have to abort early
|
|
# just because one of our plugins has a bug in it.
|
|
logger.exception("Unhandled Notification Exception")
|
|
success = False
|
|
|
|
return success
|
|
|
|
@staticmethod
|
|
async def _notify_parallel_asyncio(*servers_kwargs):
|
|
"""
|
|
Process a list of async_notify() calls in parallel and asynchronously.
|
|
"""
|
|
|
|
n_calls = len(servers_kwargs)
|
|
|
|
# 0-length case
|
|
if n_calls == 0:
|
|
return True
|
|
|
|
# (Unlike with the thread pool, we don't optimize for the single-
|
|
# notification case because asyncio can do useful work while waiting
|
|
# for that thread to complete)
|
|
|
|
# Create log entry
|
|
logger.info(
|
|
'Notifying %d service(s) asynchronously.', len(servers_kwargs))
|
|
|
|
async def do_call(server, kwargs):
|
|
return await server.async_notify(**kwargs)
|
|
|
|
cors = (do_call(server, kwargs) for (server, kwargs) in servers_kwargs)
|
|
results = await asyncio.gather(*cors, return_exceptions=True)
|
|
|
|
if any(isinstance(status, Exception)
|
|
and not isinstance(status, TypeError) for status in results):
|
|
# A catch all so we don't have to abort early just because
|
|
# one of our plugins has a bug in it.
|
|
logger.exception("Unhandled Notification Exception")
|
|
return False
|
|
|
|
if any(isinstance(status, TypeError) for status in results):
|
|
# These are our internally thrown notifications.
|
|
return False
|
|
|
|
return all(results)
|
|
|
|
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(common.NOTIFY_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,
|
|
|
|
# Let upstream service know of the plugins that support
|
|
# attachments
|
|
'attachment_support': getattr(
|
|
plugin, 'attachment_support', False),
|
|
|
|
# Differentiat between what is a custom loaded plugin and
|
|
# which is native.
|
|
'category': getattr(plugin, 'category', 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, str):
|
|
protocols = (protocols, )
|
|
|
|
# Secure protocol(s) should be None or a tuple
|
|
secure_protocols = getattr(plugin, 'secure_protocol', None)
|
|
if isinstance(secure_protocols, str):
|
|
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 __getstate__(self):
|
|
"""
|
|
Pickle Support dumps()
|
|
"""
|
|
attributes = {
|
|
'asset': self.asset,
|
|
# Prepare our URL list as we need to extract the associated tags
|
|
# and asset details associated with it
|
|
'urls': [{
|
|
'url': server.url(privacy=False),
|
|
'tag': server.tags if server.tags else None,
|
|
'asset': server.asset} for server in self.servers],
|
|
'locale': self.locale,
|
|
'debug': self.debug,
|
|
'location': self.location,
|
|
}
|
|
|
|
return attributes
|
|
|
|
def __setstate__(self, state):
|
|
"""
|
|
Pickle Support loads()
|
|
"""
|
|
self.servers = list()
|
|
self.asset = state['asset']
|
|
self.locale = state['locale']
|
|
self.location = state['location']
|
|
for entry in state['urls']:
|
|
self.add(entry['url'], asset=entry['asset'], tag=entry['tag'])
|
|
|
|
def __bool__(self):
|
|
"""
|
|
Allows the Apprise object to be wrapped in an '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])
|