mirror of
https://github.com/LonamiWebs/Telethon.git
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136 lines
3.7 KiB
Python
136 lines
3.7 KiB
Python
import mimetypes
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import os
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from ... import utils
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from ...tl import types
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class File:
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"""
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Convenience class over media like photos or documents, which
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supports accessing the attributes in a more convenient way.
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If any of the attributes are not present in the current media,
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the properties will be `None`.
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The original media is available through the ``media`` attribute.
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"""
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def __init__(self, media):
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self.media = media
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@property
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def id(self):
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"""
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The bot-API style ``file_id`` representing this file.
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.. note::
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This file ID may not work under user accounts,
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but should still be usable by bot accounts.
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You can, however, still use it to identify
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a file in for example a database.
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"""
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return utils.pack_bot_file_id(self.media)
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@property
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def name(self):
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"""
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The file name of this document.
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"""
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return self._from_attr(types.DocumentAttributeFilename, 'file_name')
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@property
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def ext(self):
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"""
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The extension from the mime type of this file.
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If the mime type is unknown, the extension
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from the file name (if any) will be used.
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"""
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return (
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mimetypes.guess_extension(self.mime_type)
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or os.path.splitext(self.name or '')[-1]
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or None
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)
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@property
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def mime_type(self):
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"""
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The mime-type of this file.
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"""
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if isinstance(self.media, types.Photo):
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return 'image/jpeg'
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elif isinstance(self.media, types.Document):
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return self.media.mime_type
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@property
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def width(self):
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"""
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The width in pixels of this media if it's a photo or a video.
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"""
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return self._from_attr((
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types.DocumentAttributeImageSize, types.DocumentAttributeVideo), 'w')
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@property
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def height(self):
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"""
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The height in pixels of this media if it's a photo or a video.
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"""
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return self._from_attr((
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types.DocumentAttributeImageSize, types.DocumentAttributeVideo), 'h')
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@property
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def duration(self):
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"""
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The duration in seconds of the audio or video.
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"""
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return self._from_attr((
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types.DocumentAttributeAudio, types.DocumentAttributeVideo), 'duration')
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@property
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def title(self):
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"""
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The title of the song.
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"""
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return self._from_attr(types.DocumentAttributeAudio, 'title')
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@property
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def performer(self):
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"""
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The performer of the song.
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"""
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return self._from_attr(types.DocumentAttributeAudio, 'performer')
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@property
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def emoji(self):
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"""
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A string with all emoji that represent the current sticker.
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"""
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return self._from_attr(types.DocumentAttributeSticker, 'alt')
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@property
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def sticker_set(self):
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"""
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The :tl:`InputStickerSet` to which the sticker file belongs.
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"""
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return self._from_attr(types.DocumentAttributeSticker, 'stickerset')
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@property
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def size(self):
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"""
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The size in bytes of this file.
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For photos, this is the heaviest thumbnail, as it often repressents the largest dimensions.
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"""
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if isinstance(self.media, types.Photo):
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return max(filter(None, map(utils._photo_size_byte_count, self.media.sizes)), default=None)
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elif isinstance(self.media, types.Document):
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return self.media.size
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def _from_attr(self, cls, field):
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if isinstance(self.media, types.Document):
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for attr in self.media.attributes:
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if isinstance(attr, cls):
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return getattr(attr, field, None)
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