mirror of
https://github.com/LonamiWebs/Telethon.git
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745 lines
30 KiB
Python
745 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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try:
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kwargs = {'exif': image.info['exif']}
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except KeyError:
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kwargs = {}
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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', **kwargs)
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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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formatting_entities: typing.Optional[typing.List[types.TypeMessageEntity]] = None,
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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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comment_to: 'typing.Union[int, types.Message]' = 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 320x320px.
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Width/height and dimensions/size ratios may be important.
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For Telegram to accept a thumbnail, you must provide the
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dimensions of the underlying media through ``attributes=``
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with :tl:`DocumentAttributesVideo` or by installing the
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optional ``hachoir`` dependency.
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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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formatting_entities (`list`, optional):
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A list of message formatting entities. When provided, the ``parse_mode`` is ignored.
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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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comment_to (`int` | `Message <telethon.tl.custom.message.Message>`, optional):
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Similar to ``reply_to``, but replies in the linked group of a
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broadcast channel instead (effectively leaving a "comment to"
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the specified message).
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This parameter takes precedence over ``reply_to``. If there is
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no linked chat, `telethon.errors.sgIdInvalidError` is raised.
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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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entity = await self.get_input_entity(entity)
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if comment_to is not None:
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entity, reply_to = await self._get_comment_data(entity, comment_to)
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else:
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reply_to = utils.get_message_id(reply_to)
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# First check if the user passed an iterable, in which case
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# we may want to send grouped.
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if utils.is_list_like(file):
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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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result = []
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while file:
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result += await self._send_album(
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entity, file[:10], caption=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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force_document=force_document
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)
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file = file[10:]
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captions = captions[10:]
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for doc, cap in zip(file, 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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if formatting_entities is not None:
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msg_entities = formatting_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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force_document=False):
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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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force_document=force_document)
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if isinstance(fm, (types.InputMediaUploadedPhoto, types.InputMediaPhotoExternal)):
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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
|
|
requests will be made (up to 512KB maximum).
|
|
|
|
file_size (`int`, optional):
|
|
The size of the file to be uploaded, which will be determined
|
|
automatically if not specified.
|
|
|
|
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)
|
|
|
|
# Encryption part if needed
|
|
if key and iv:
|
|
part = AES.encrypt_ige(part, key, iv)
|
|
|
|
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)
|
|
|
|
# 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,
|
|
thumb=thumb
|
|
)
|
|
|
|
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
|