mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-22 17:36:34 +03:00
219b4ecb77
Makes upload_file cleaner (context manager instead of try-finally) and helps keep the logic "we may own this stream and need to close it or not" separated. It can be overengineered to allow nesting the same instance in context managers and also provide implementations for synchronous context managers but it adds quite a bit of unnecessary complexity for the time being. YAGNI.
733 lines
30 KiB
Python
733 lines
30 KiB
Python
import hashlib
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import io
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import itertools
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import os
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import pathlib
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import re
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import typing
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from io import BytesIO
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from ..crypto import AES
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from .. import utils, helpers, hints
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from ..tl import types, functions, custom
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try:
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import PIL
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import PIL.Image
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except ImportError:
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PIL = None
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if typing.TYPE_CHECKING:
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from .telegramclient import TelegramClient
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class _CacheType:
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"""Like functools.partial but pretends to be the wrapped class."""
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def __init__(self, cls):
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self._cls = cls
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def __call__(self, *args, **kwargs):
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return self._cls(*args, file_reference=b'', **kwargs)
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def __eq__(self, other):
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return self._cls == other
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def _resize_photo_if_needed(
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file, is_image, width=1280, height=1280, background=(255, 255, 255)):
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# https://github.com/telegramdesktop/tdesktop/blob/12905f0dcb9d513378e7db11989455a1b764ef75/Telegram/SourceFiles/boxes/photo_crop_box.cpp#L254
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if (not is_image
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or PIL is None
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or (isinstance(file, io.IOBase) and not file.seekable())):
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return file
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if isinstance(file, bytes):
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file = io.BytesIO(file)
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before = file.tell() if isinstance(file, io.IOBase) else None
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try:
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# Don't use a `with` block for `image`, or `file` would be closed.
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# See https://github.com/LonamiWebs/Telethon/issues/1121 for more.
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image = PIL.Image.open(file)
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if image.width <= width and image.height <= height:
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return file
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image.thumbnail((width, height), PIL.Image.ANTIALIAS)
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alpha_index = image.mode.find('A')
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if alpha_index == -1:
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# If the image mode doesn't have alpha
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# channel then don't bother masking it away.
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result = image
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else:
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# We could save the resized image with the original format, but
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# JPEG often compresses better -> smaller size -> faster upload
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# We need to mask away the alpha channel ([3]), since otherwise
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# IOError is raised when trying to save alpha channels in JPEG.
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result = PIL.Image.new('RGB', image.size, background)
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result.paste(image, mask=image.split()[alpha_index])
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buffer = io.BytesIO()
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result.save(buffer, 'JPEG')
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buffer.seek(0)
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return buffer
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except IOError:
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return file
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finally:
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if before is not None:
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file.seek(before, io.SEEK_SET)
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class UploadMethods:
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# region Public methods
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async def send_file(
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self: 'TelegramClient',
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entity: 'hints.EntityLike',
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file: 'typing.Union[hints.FileLike, typing.Sequence[hints.FileLike]]',
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*,
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caption: typing.Union[str, typing.Sequence[str]] = None,
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force_document: bool = False,
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file_size: int = None,
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clear_draft: bool = False,
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progress_callback: 'hints.ProgressCallback' = None,
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reply_to: 'hints.MessageIDLike' = None,
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attributes: 'typing.Sequence[types.TypeDocumentAttribute]' = None,
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thumb: 'hints.FileLike' = None,
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allow_cache: bool = True,
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parse_mode: str = (),
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voice_note: bool = False,
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video_note: bool = False,
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buttons: 'hints.MarkupLike' = None,
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silent: bool = None,
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supports_streaming: bool = False,
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schedule: 'hints.DateLike' = None,
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**kwargs) -> 'types.Message':
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"""
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Sends message with the given file to the specified entity.
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.. note::
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If the ``hachoir3`` package (``hachoir`` module) is installed,
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it will be used to determine metadata from audio and video files.
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If the ``pillow`` package is installed and you are sending a photo,
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it will be resized to fit within the maximum dimensions allowed
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by Telegram to avoid ``errors.PhotoInvalidDimensionsError``. This
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cannot be done if you are sending :tl:`InputFile`, however.
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Arguments
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entity (`entity`):
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Who will receive the file.
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file (`str` | `bytes` | `file` | `media`):
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The file to send, which can be one of:
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* A local file path to an in-disk file. The file name
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will be the path's base name.
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* A `bytes` byte array with the file's data to send
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(for example, by using ``text.encode('utf-8')``).
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A default file name will be used.
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* A bytes `io.IOBase` stream over the file to send
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(for example, by using ``open(file, 'rb')``).
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Its ``.name`` property will be used for the file name,
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or a default if it doesn't have one.
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* An external URL to a file over the internet. This will
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send the file as "external" media, and Telegram is the
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one that will fetch the media and send it.
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* A Bot API-like ``file_id``. You can convert previously
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sent media to file IDs for later reusing with
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`telethon.utils.pack_bot_file_id`.
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* A handle to an existing file (for example, if you sent a
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message with media before, you can use its ``message.media``
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as a file here).
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* A handle to an uploaded file (from `upload_file`).
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* A :tl:`InputMedia` instance. For example, if you want to
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send a dice use :tl:`InputMediaDice`, or if you want to
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send a contact use :tl:`InputMediaContact`.
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To send an album, you should provide a list in this parameter.
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If a list or similar is provided, the files in it will be
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sent as an album in the order in which they appear, sliced
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in chunks of 10 if more than 10 are given.
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caption (`str`, optional):
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Optional caption for the sent media message. When sending an
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album, the caption may be a list of strings, which will be
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assigned to the files pairwise.
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force_document (`bool`, optional):
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If left to `False` and the file is a path that ends with
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the extension of an image file or a video file, it will be
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sent as such. Otherwise always as a document.
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file_size (`int`, optional):
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The size of the file to be uploaded if it needs to be uploaded,
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which will be determined automatically if not specified.
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If the file size can't be determined beforehand, the entire
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file will be read in-memory to find out how large it is.
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clear_draft (`bool`, optional):
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Whether the existing draft should be cleared or not.
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progress_callback (`callable`, optional):
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A callback function accepting two parameters:
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``(sent bytes, total)``.
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reply_to (`int` | `Message <telethon.tl.custom.message.Message>`):
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Same as `reply_to` from `send_message`.
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attributes (`list`, optional):
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Optional attributes that override the inferred ones, like
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:tl:`DocumentAttributeFilename` and so on.
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thumb (`str` | `bytes` | `file`, optional):
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Optional JPEG thumbnail (for documents). **Telegram will
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ignore this parameter** unless you pass a ``.jpg`` file!
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The file must also be small in dimensions and in-disk size.
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Successful thumbnails were files below 20kb and 200x200px.
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Width/height and dimensions/size ratios may be important.
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allow_cache (`bool`, optional):
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This parameter currently does nothing, but is kept for
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backward-compatibility (and it may get its use back in
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the future).
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parse_mode (`object`, optional):
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See the `TelegramClient.parse_mode
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<telethon.client.messageparse.MessageParseMethods.parse_mode>`
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property for allowed values. Markdown parsing will be used by
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default.
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voice_note (`bool`, optional):
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If `True` the audio will be sent as a voice note.
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video_note (`bool`, optional):
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If `True` the video will be sent as a video note,
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also known as a round video message.
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buttons (`list`, `custom.Button <telethon.tl.custom.button.Button>`, :tl:`KeyboardButton`):
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The matrix (list of lists), row list or button to be shown
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after sending the message. This parameter will only work if
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you have signed in as a bot. You can also pass your own
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:tl:`ReplyMarkup` here.
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silent (`bool`, optional):
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Whether the message should notify people with sound or not.
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Defaults to `False` (send with a notification sound unless
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the person has the chat muted). Set it to `True` to alter
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this behaviour.
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supports_streaming (`bool`, optional):
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Whether the sent video supports streaming or not. Note that
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Telegram only recognizes as streamable some formats like MP4,
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and others like AVI or MKV will not work. You should convert
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these to MP4 before sending if you want them to be streamable.
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Unsupported formats will result in ``VideoContentTypeError``.
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schedule (`hints.DateLike`, optional):
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If set, the file won't send immediately, and instead
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it will be scheduled to be automatically sent at a later
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time.
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Returns
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The `Message <telethon.tl.custom.message.Message>` (or messages)
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containing the sent file, or messages if a list of them was passed.
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Example
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.. code-block:: python
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# Normal files like photos
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await client.send_file(chat, '/my/photos/me.jpg', caption="It's me!")
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# or
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await client.send_message(chat, "It's me!", file='/my/photos/me.jpg')
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# Voice notes or round videos
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await client.send_file(chat, '/my/songs/song.mp3', voice_note=True)
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await client.send_file(chat, '/my/videos/video.mp4', video_note=True)
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# Custom thumbnails
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await client.send_file(chat, '/my/documents/doc.txt', thumb='photo.jpg')
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# Only documents
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await client.send_file(chat, '/my/photos/photo.png', force_document=True)
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# Albums
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await client.send_file(chat, [
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'/my/photos/holiday1.jpg',
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'/my/photos/holiday2.jpg',
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'/my/drawings/portrait.png'
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])
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# Printing upload progress
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def callback(current, total):
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print('Uploaded', current, 'out of', total,
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'bytes: {:.2%}'.format(current / total))
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await client.send_file(chat, file, progress_callback=callback)
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# Dices, including dart and other future emoji
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from telethon.tl import types
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await client.send_file(chat, types.InputMediaDice(''))
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await client.send_file(chat, types.InputMediaDice('🎯'))
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# Contacts
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await client.send_file(chat, types.InputMediaContact(
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phone_number='+34 123 456 789',
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first_name='Example',
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last_name='',
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vcard=''
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))
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"""
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# TODO Properly implement allow_cache to reuse the sha256 of the file
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# i.e. `None` was used
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if not file:
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raise TypeError('Cannot use {!r} as file'.format(file))
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if not caption:
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caption = ''
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# First check if the user passed an iterable, in which case
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# we may want to send as an album if all are photo files.
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if utils.is_list_like(file):
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media_captions = []
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document_captions = []
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if utils.is_list_like(caption):
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captions = caption
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else:
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captions = [caption]
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# TODO Fix progress_callback
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media = []
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if force_document:
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documents = file
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else:
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documents = []
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for doc, cap in itertools.zip_longest(file, captions):
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if utils.is_image(doc) or utils.is_video(doc):
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media.append(doc)
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media_captions.append(cap)
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else:
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documents.append(doc)
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document_captions.append(cap)
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result = []
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while media:
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result += await self._send_album(
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entity, media[:10], caption=media_captions[:10],
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progress_callback=progress_callback, reply_to=reply_to,
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parse_mode=parse_mode, silent=silent, schedule=schedule,
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supports_streaming=supports_streaming, clear_draft=clear_draft
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)
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media = media[10:]
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media_captions = media_captions[10:]
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for doc, cap in zip(documents, captions):
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result.append(await self.send_file(
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entity, doc, allow_cache=allow_cache,
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caption=cap, force_document=force_document,
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progress_callback=progress_callback, reply_to=reply_to,
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attributes=attributes, thumb=thumb, voice_note=voice_note,
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video_note=video_note, buttons=buttons, silent=silent,
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supports_streaming=supports_streaming, schedule=schedule,
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clear_draft=clear_draft,
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**kwargs
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))
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return result
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entity = await self.get_input_entity(entity)
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reply_to = utils.get_message_id(reply_to)
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# Not document since it's subject to change.
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# Needed when a Message is passed to send_message and it has media.
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if 'entities' in kwargs:
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msg_entities = kwargs['entities']
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else:
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caption, msg_entities =\
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await self._parse_message_text(caption, parse_mode)
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file_handle, media, image = await self._file_to_media(
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file, force_document=force_document,
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file_size=file_size,
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progress_callback=progress_callback,
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attributes=attributes, allow_cache=allow_cache, thumb=thumb,
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voice_note=voice_note, video_note=video_note,
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supports_streaming=supports_streaming
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)
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# e.g. invalid cast from :tl:`MessageMediaWebPage`
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if not media:
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raise TypeError('Cannot use {!r} as file'.format(file))
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markup = self.build_reply_markup(buttons)
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request = functions.messages.SendMediaRequest(
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entity, media, reply_to_msg_id=reply_to, message=caption,
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entities=msg_entities, reply_markup=markup, silent=silent,
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schedule_date=schedule, clear_draft=clear_draft
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)
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return self._get_response_message(request, await self(request), entity)
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async def _send_album(self: 'TelegramClient', entity, files, caption='',
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progress_callback=None, reply_to=None,
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parse_mode=(), silent=None, schedule=None,
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supports_streaming=None, clear_draft=None):
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"""Specialized version of .send_file for albums"""
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# We don't care if the user wants to avoid cache, we will use it
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# anyway. Why? The cached version will be exactly the same thing
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# we need to produce right now to send albums (uploadMedia), and
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# cache only makes a difference for documents where the user may
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# want the attributes used on them to change.
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#
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# In theory documents can be sent inside the albums but they appear
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# as different messages (not inside the album), and the logic to set
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# the attributes/avoid cache is already written in .send_file().
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entity = await self.get_input_entity(entity)
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if not utils.is_list_like(caption):
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caption = (caption,)
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captions = []
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for c in reversed(caption): # Pop from the end (so reverse)
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captions.append(await self._parse_message_text(c or '', parse_mode))
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reply_to = utils.get_message_id(reply_to)
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# Need to upload the media first, but only if they're not cached yet
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media = []
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for file in files:
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# Albums want :tl:`InputMedia` which, in theory, includes
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# :tl:`InputMediaUploadedPhoto`. However using that will
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# make it `raise MediaInvalidError`, so we need to upload
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# it as media and then convert that to :tl:`InputMediaPhoto`.
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fh, fm, _ = await self._file_to_media(
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file, supports_streaming=supports_streaming)
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if isinstance(fm, types.InputMediaUploadedPhoto):
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r = await self(functions.messages.UploadMediaRequest(
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entity, media=fm
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))
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fm = utils.get_input_media(r.photo)
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elif isinstance(fm, types.InputMediaUploadedDocument):
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r = await self(functions.messages.UploadMediaRequest(
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entity, media=fm
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))
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fm = utils.get_input_media(
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r.document, supports_streaming=supports_streaming)
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if captions:
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caption, msg_entities = captions.pop()
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else:
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caption, msg_entities = '', None
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media.append(types.InputSingleMedia(
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fm,
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message=caption,
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entities=msg_entities
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# random_id is autogenerated
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))
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# Now we can construct the multi-media request
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request = functions.messages.SendMultiMediaRequest(
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entity, reply_to_msg_id=reply_to, multi_media=media,
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silent=silent, schedule_date=schedule, clear_draft=clear_draft
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)
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result = await self(request)
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random_ids = [m.random_id for m in media]
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return self._get_response_message(random_ids, result, entity)
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async def upload_file(
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self: 'TelegramClient',
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file: 'hints.FileLike',
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*,
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part_size_kb: float = None,
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file_size: int = None,
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file_name: str = None,
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use_cache: type = None,
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key: bytes = None,
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iv: bytes = None,
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progress_callback: 'hints.ProgressCallback' = None) -> 'types.TypeInputFile':
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"""
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Uploads a file to Telegram's servers, without sending it.
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.. note::
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Generally, you want to use `send_file` instead.
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This method returns a handle (an instance of :tl:`InputFile` or
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:tl:`InputFileBig`, as required) which can be later used before
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it expires (they are usable during less than a day).
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Uploading a file will simply return a "handle" to the file stored
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remotely in the Telegram servers, which can be later used on. This
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will **not** upload the file to your own chat or any chat at all.
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Arguments
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file (`str` | `bytes` | `file`):
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The path of the file, byte array, or stream that will be sent.
|
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Note that if a byte array or a stream is given, a filename
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or its type won't be inferred, and it will be sent as an
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"unnamed application/octet-stream".
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part_size_kb (`int`, optional):
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Chunk size when uploading files. The larger, the less
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requests will be made (up to 512KB maximum).
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file_size (`int`, optional):
|
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The size of the file to be uploaded, which will be determined
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automatically if not specified.
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If the file size can't be determined beforehand, the entire
|
|
file will be read in-memory to find out how large it is.
|
|
|
|
file_name (`str`, optional):
|
|
The file name which will be used on the resulting InputFile.
|
|
If not specified, the name will be taken from the ``file``
|
|
and if this is not a `str`, it will be ``"unnamed"``.
|
|
|
|
use_cache (`type`, optional):
|
|
This parameter currently does nothing, but is kept for
|
|
backward-compatibility (and it may get its use back in
|
|
the future).
|
|
|
|
key ('bytes', optional):
|
|
In case of an encrypted upload (secret chats) a key is supplied
|
|
|
|
iv ('bytes', optional):
|
|
In case of an encrypted upload (secret chats) an iv is supplied
|
|
|
|
progress_callback (`callable`, optional):
|
|
A callback function accepting two parameters:
|
|
``(sent bytes, total)``.
|
|
|
|
Returns
|
|
:tl:`InputFileBig` if the file size is larger than 10MB,
|
|
`InputSizedFile <telethon.tl.custom.inputsizedfile.InputSizedFile>`
|
|
(subclass of :tl:`InputFile`) otherwise.
|
|
|
|
Example
|
|
.. code-block:: python
|
|
|
|
# Photos as photo and document
|
|
file = await client.upload_file('photo.jpg')
|
|
await client.send_file(chat, file) # sends as photo
|
|
await client.send_file(chat, file, force_document=True) # sends as document
|
|
|
|
file.name = 'not a photo.jpg'
|
|
await client.send_file(chat, file, force_document=True) # document, new name
|
|
|
|
# As song or as voice note
|
|
file = await client.upload_file('song.ogg')
|
|
await client.send_file(chat, file) # sends as song
|
|
await client.send_file(chat, file, voice_note=True) # sends as voice note
|
|
"""
|
|
if isinstance(file, (types.InputFile, types.InputFileBig)):
|
|
return file # Already uploaded
|
|
|
|
pos = 0
|
|
async with helpers._FileStream(file, file_size=file_size) as stream:
|
|
# Opening the stream will determine the correct file size
|
|
file_size = stream.file_size
|
|
|
|
if not part_size_kb:
|
|
part_size_kb = utils.get_appropriated_part_size(file_size)
|
|
|
|
if part_size_kb > 512:
|
|
raise ValueError('The part size must be less or equal to 512KB')
|
|
|
|
part_size = int(part_size_kb * 1024)
|
|
if part_size % 1024 != 0:
|
|
raise ValueError(
|
|
'The part size must be evenly divisible by 1024')
|
|
|
|
# Set a default file name if None was specified
|
|
file_id = helpers.generate_random_long()
|
|
if not file_name:
|
|
file_name = stream.name or str(file_id)
|
|
|
|
# If the file name lacks extension, add it if possible.
|
|
# Else Telegram complains with `PHOTO_EXT_INVALID_ERROR`
|
|
# even if the uploaded image is indeed a photo.
|
|
if not os.path.splitext(file_name)[-1]:
|
|
file_name += utils._get_extension(stream)
|
|
|
|
# Determine whether the file is too big (over 10MB) or not
|
|
# Telegram does make a distinction between smaller or larger files
|
|
is_big = file_size > 10 * 1024 * 1024
|
|
hash_md5 = hashlib.md5()
|
|
|
|
part_count = (file_size + part_size - 1) // part_size
|
|
self._log[__name__].info('Uploading file of %d bytes in %d chunks of %d',
|
|
file_size, part_count, part_size)
|
|
|
|
pos = 0
|
|
for part_index in range(part_count):
|
|
# Read the file by in chunks of size part_size
|
|
part = await helpers._maybe_await(stream.read(part_size))
|
|
|
|
if not isinstance(part, bytes):
|
|
raise TypeError(
|
|
'file descriptor returned {}, not bytes (you must '
|
|
'open the file in bytes mode)'.format(type(part)))
|
|
|
|
# `file_size` could be wrong in which case `part` may not be
|
|
# `part_size` before reaching the end.
|
|
if len(part) != part_size and part_index < part_count - 1:
|
|
raise ValueError(
|
|
'read less than {} before reaching the end; either '
|
|
'`file_size` or `read` are wrong'.format(part_size))
|
|
|
|
pos += len(part)
|
|
|
|
if not is_big:
|
|
# Bit odd that MD5 is only needed for small files and not
|
|
# big ones with more chance for corruption, but that's
|
|
# what Telegram wants.
|
|
hash_md5.update(part)
|
|
|
|
# Encryption part if needed
|
|
if key and iv:
|
|
part = AES.encrypt_ige(part, key, iv)
|
|
|
|
# The SavePartRequest is different depending on whether
|
|
# the file is too large or not (over or less than 10MB)
|
|
if is_big:
|
|
request = functions.upload.SaveBigFilePartRequest(
|
|
file_id, part_index, part_count, part)
|
|
else:
|
|
request = functions.upload.SaveFilePartRequest(
|
|
file_id, part_index, part)
|
|
|
|
result = await self(request)
|
|
if result:
|
|
self._log[__name__].debug('Uploaded %d/%d',
|
|
part_index + 1, part_count)
|
|
if progress_callback:
|
|
await helpers._maybe_await(progress_callback(pos, file_size))
|
|
else:
|
|
raise RuntimeError(
|
|
'Failed to upload file part {}.'.format(part_index))
|
|
|
|
if is_big:
|
|
return types.InputFileBig(file_id, part_count, file_name)
|
|
else:
|
|
return custom.InputSizedFile(
|
|
file_id, part_count, file_name, md5=hash_md5, size=file_size
|
|
)
|
|
|
|
# endregion
|
|
|
|
async def _file_to_media(
|
|
self, file, force_document=False, file_size=None,
|
|
progress_callback=None, attributes=None, thumb=None,
|
|
allow_cache=True, voice_note=False, video_note=False,
|
|
supports_streaming=False, mime_type=None, as_image=None):
|
|
if not file:
|
|
return None, None, None
|
|
|
|
if isinstance(file, pathlib.Path):
|
|
file = str(file.absolute())
|
|
|
|
is_image = utils.is_image(file)
|
|
if as_image is None:
|
|
as_image = is_image and not force_document
|
|
|
|
# `aiofiles` do not base `io.IOBase` but do have `read`, so we
|
|
# just check for the read attribute to see if it's file-like.
|
|
if not isinstance(file, (str, bytes, types.InputFile, types.InputFileBig))\
|
|
and not hasattr(file, 'read'):
|
|
# The user may pass a Message containing media (or the media,
|
|
# or anything similar) that should be treated as a file. Try
|
|
# getting the input media for whatever they passed and send it.
|
|
#
|
|
# We pass all attributes since these will be used if the user
|
|
# passed :tl:`InputFile`, and all information may be relevant.
|
|
try:
|
|
return (None, utils.get_input_media(
|
|
file,
|
|
is_photo=as_image,
|
|
attributes=attributes,
|
|
force_document=force_document,
|
|
voice_note=voice_note,
|
|
video_note=video_note,
|
|
supports_streaming=supports_streaming
|
|
), as_image)
|
|
except TypeError:
|
|
# Can't turn whatever was given into media
|
|
return None, None, as_image
|
|
|
|
media = None
|
|
file_handle = None
|
|
|
|
if isinstance(file, (types.InputFile, types.InputFileBig)):
|
|
file_handle = file
|
|
elif not isinstance(file, str) or os.path.isfile(file):
|
|
file_handle = await self.upload_file(
|
|
_resize_photo_if_needed(file, as_image),
|
|
file_size=file_size,
|
|
progress_callback=progress_callback
|
|
)
|
|
elif re.match('https?://', file):
|
|
if as_image:
|
|
media = types.InputMediaPhotoExternal(file)
|
|
else:
|
|
media = types.InputMediaDocumentExternal(file)
|
|
else:
|
|
bot_file = utils.resolve_bot_file_id(file)
|
|
if bot_file:
|
|
media = utils.get_input_media(bot_file)
|
|
|
|
if media:
|
|
pass # Already have media, don't check the rest
|
|
elif not file_handle:
|
|
raise ValueError(
|
|
'Failed to convert {} to media. Not an existing file, '
|
|
'an HTTP URL or a valid bot-API-like file ID'.format(file)
|
|
)
|
|
elif as_image:
|
|
media = types.InputMediaUploadedPhoto(file_handle)
|
|
else:
|
|
attributes, mime_type = utils.get_attributes(
|
|
file,
|
|
mime_type=mime_type,
|
|
attributes=attributes,
|
|
force_document=force_document and not is_image,
|
|
voice_note=voice_note,
|
|
video_note=video_note,
|
|
supports_streaming=supports_streaming
|
|
)
|
|
|
|
if not thumb:
|
|
thumb = None
|
|
else:
|
|
if isinstance(thumb, pathlib.Path):
|
|
thumb = str(thumb.absolute())
|
|
thumb = await self.upload_file(thumb, file_size=file_size)
|
|
|
|
media = types.InputMediaUploadedDocument(
|
|
file=file_handle,
|
|
mime_type=mime_type,
|
|
attributes=attributes,
|
|
thumb=thumb,
|
|
force_file=force_document and not is_image
|
|
)
|
|
return file_handle, media, as_image
|
|
|
|
# endregion
|