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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>
99 lines
3.2 KiB
Python
99 lines
3.2 KiB
Python
#!/usr/bin/env python
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# pylint: disable=W0622,E0611
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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 an object that represents a Telegram InputFile."""
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import imghdr
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import mimetypes
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import os
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from uuid import uuid4
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from telegram import TelegramError
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DEFAULT_MIME_TYPE = 'application/octet-stream'
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class InputFile:
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"""This object represents a Telegram InputFile.
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Attributes:
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input_file_content (:obj:`bytes`): The binaray content of the file to send.
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filename (:obj:`str`): Optional, Filename for the file to be sent.
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attach (:obj:`str`): Optional, attach id for sending multiple files.
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Args:
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obj (:obj:`File handler`): An open file descriptor.
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filename (:obj:`str`, optional): Filename for this InputFile.
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attach (:obj:`bool`, optional): Whether this should be send as one file or is part of a
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collection of files.
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Raises:
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TelegramError
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"""
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def __init__(self, obj, filename=None, attach=None):
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self.filename = None
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self.input_file_content = obj.read()
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self.attach = 'attached' + uuid4().hex if attach else None
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if filename:
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self.filename = filename
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elif (hasattr(obj, 'name') and not isinstance(obj.name, int)):
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self.filename = os.path.basename(obj.name)
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try:
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self.mimetype = self.is_image(self.input_file_content)
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except TelegramError:
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if self.filename:
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self.mimetype = mimetypes.guess_type(
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self.filename)[0] or DEFAULT_MIME_TYPE
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else:
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self.mimetype = DEFAULT_MIME_TYPE
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if not self.filename:
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self.filename = self.mimetype.replace('/', '.')
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@property
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def field_tuple(self):
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return self.filename, self.input_file_content, self.mimetype
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@staticmethod
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def is_image(stream):
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"""Check if the content file is an image by analyzing its headers.
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Args:
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stream (:obj:`str`): A str representing the content of a file.
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Returns:
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:obj:`str`: The str mime-type of an image.
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"""
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image = imghdr.what(None, stream)
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if image:
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return 'image/%s' % image
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raise TelegramError('Could not parse file content')
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@staticmethod
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def is_file(obj):
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return hasattr(obj, 'read')
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def to_dict(self):
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if self.attach:
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return 'attach://' + self.attach
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