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* Remove usages of python-future lib * Remove python2 datetime.timezone replacement * Remove python2 workaround in InputFile.__init__ * Remove import of str necessary for python2 * Remove urllib2 import necessary for python2 * Remove a mention of python 2 in doc * Remove python 2 from travis config file * Remove python 2 from appveyor config * Remove python2 from debian build rules * Remove unnecessarry aliasing of time.perf_counter * Remove python 2 from github workflow * Remove mention of python 2 in descriptions/readme * Remove version check for queue import * Remove version checks in tests * Adjust docs to correctly mention supported version * Fix indentation * Remove unused 'sys' imports * Fix indentation * Remove references to mq.curtime in tests * Replace super calls by argumentsless version * Remove future dependency * Fix error in de_json declaration * Use python3 metaclass syntax * Use implicit inheriting from object * Remove accidentally committed .vscode folder * Use nameless f-string and raw string * Fix regex string literal syntax * Remove old style classes * Run pyupgrade * Fix leftover from automatic merge * Fix lint errors * Update telegram/files/sticker.py Co-authored-by: Bibo-Joshi <hinrich.mahler@freenet.de>
88 lines
3.8 KiB
Python
88 lines
3.8 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2020
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""This module contains the TypeHandler class."""
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from .handler import Handler
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class TypeHandler(Handler):
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"""Handler class to handle updates of custom types.
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Attributes:
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type (:obj:`type`): The ``type`` of updates this handler should process.
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callback (:obj:`callable`): The callback function for this handler.
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strict (:obj:`bool`): Use ``type`` instead of ``isinstance``. Default is ``False``.
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pass_update_queue (:obj:`bool`): Determines whether ``update_queue`` will be
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passed to the callback function.
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pass_job_queue (:obj:`bool`): Determines whether ``job_queue`` will be passed to
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the callback function.
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Args:
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type (:obj:`type`): The ``type`` of updates this handler should process, as
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determined by ``isinstance``
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callback (:obj:`callable`): The callback function for this handler. Will be called when
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:attr:`check_update` has determined that an update should be processed by this handler.
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Callback signature for context based API:
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``def callback(update: Update, context: CallbackContext)``
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The return value of the callback is usually ignored except for the special case of
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:class:`telegram.ext.ConversationHandler`.
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strict (:obj:`bool`, optional): Use ``type`` instead of ``isinstance``.
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Default is ``False``
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pass_update_queue (:obj:`bool`, optional): If set to ``True``, a keyword argument called
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``update_queue`` will be passed to the callback function. It will be the ``Queue``
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instance used by the :class:`telegram.ext.Updater` and :class:`telegram.ext.Dispatcher`
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that contains new updates which can be used to insert updates. Default is ``False``.
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DEPRECATED: Please switch to context based callbacks.
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pass_job_queue (:obj:`bool`, optional): If set to ``True``, a keyword argument called
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``job_queue`` will be passed to the callback function. It will be a
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:class:`telegram.ext.JobQueue` instance created by the :class:`telegram.ext.Updater`
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which can be used to schedule new jobs. Default is ``False``.
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DEPRECATED: Please switch to context based callbacks.
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"""
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def __init__(self,
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type,
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callback,
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strict=False,
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pass_update_queue=False,
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pass_job_queue=False):
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super().__init__(
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callback,
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pass_update_queue=pass_update_queue,
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pass_job_queue=pass_job_queue)
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self.type = type
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self.strict = strict
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def check_update(self, update):
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"""Determines whether an update should be passed to this handlers :attr:`callback`.
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Args:
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update (:class:`telegram.Update`): Incoming telegram update.
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Returns:
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:obj:`bool`
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"""
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if not self.strict:
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return isinstance(update, self.type)
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else:
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return type(update) is self.type
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