mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
synced 2024-10-23 17:36:26 +02:00
109 lines
4.2 KiB
Python
109 lines
4.2 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# A library that provides a Python interface to the Telegram Bot API
|
|
# Copyright (C) 2015-2022
|
|
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
|
|
#
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU Lesser Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU Lesser Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser Public License
|
|
# along with this program. If not, see [http://www.gnu.org/licenses/].
|
|
"""This module contains an object that represents a Telegram InputFile."""
|
|
|
|
import logging
|
|
import mimetypes
|
|
from pathlib import Path
|
|
from typing import IO, Optional, Union
|
|
from uuid import uuid4
|
|
|
|
from telegram._utils.types import FieldTuple
|
|
|
|
_DEFAULT_MIME_TYPE = "application/octet-stream"
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class InputFile:
|
|
"""This object represents a Telegram InputFile.
|
|
|
|
.. versionchanged:: 20.0
|
|
|
|
* The former attribute ``attach`` was renamed to :attr:`attach_name`.
|
|
* Method ``is_image`` was removed. If you pass :obj:`bytes` to :paramref:`obj` and would
|
|
like to have the mime type automatically guessed, please pass :paramref:`filename`
|
|
in addition.
|
|
|
|
Args:
|
|
obj (:term:`file object` | :obj:`bytes` | :obj:`str`): An open file descriptor or the files
|
|
content as bytes or string.
|
|
|
|
Note:
|
|
If :paramref:`obj` is a string, it will be encoded as bytes via
|
|
:external:obj:`obj.encode('utf-8') <str.encode>`.
|
|
|
|
.. versionchanged:: 20.0
|
|
Accept string input.
|
|
filename (:obj:`str`, optional): Filename for this InputFile.
|
|
attach (:obj:`bool`, optional): Pass :obj:`True` if the parameter this file belongs to in
|
|
the request to Telegram should point to the multipart data via an ``attach://`` URI.
|
|
Defaults to `False`.
|
|
|
|
Attributes:
|
|
input_file_content (:obj:`bytes`): The binary content of the file to send.
|
|
attach_name (:obj:`str`): Optional. If present, the parameter this file belongs to in
|
|
the request to Telegram should point to the multipart data via a an URI of the form
|
|
``attach://<attach_name>`` URI.
|
|
filename (:obj:`str`): Filename for the file to be sent.
|
|
mimetype (:obj:`str`): The mimetype inferred from the file to be sent.
|
|
|
|
"""
|
|
|
|
__slots__ = ("filename", "attach_name", "input_file_content", "mimetype")
|
|
|
|
def __init__(
|
|
self, obj: Union[IO[bytes], bytes, str], filename: str = None, attach: bool = False
|
|
):
|
|
if isinstance(obj, bytes):
|
|
self.input_file_content = obj
|
|
elif isinstance(obj, str):
|
|
self.input_file_content = obj.encode("utf-8")
|
|
else:
|
|
self.input_file_content = obj.read()
|
|
self.attach_name: Optional[str] = "attached" + uuid4().hex if attach else None
|
|
|
|
if (
|
|
not filename
|
|
and hasattr(obj, "name")
|
|
and not isinstance(obj.name, int) # type: ignore[union-attr]
|
|
):
|
|
filename = Path(obj.name).name # type: ignore[union-attr]
|
|
|
|
if filename:
|
|
self.mimetype = mimetypes.guess_type(filename, strict=False)[0] or _DEFAULT_MIME_TYPE
|
|
else:
|
|
self.mimetype = _DEFAULT_MIME_TYPE
|
|
|
|
self.filename = filename or self.mimetype.replace("/", ".")
|
|
|
|
@property
|
|
def field_tuple(self) -> FieldTuple:
|
|
"""Field tuple representing the contents of the file for upload to the Telegram servers.
|
|
|
|
Returns:
|
|
Tuple[:obj:`str`, :obj:`bytes`, :obj:`str`]:
|
|
"""
|
|
return self.filename, self.input_file_content, self.mimetype
|
|
|
|
@property
|
|
def attach_uri(self) -> Optional[str]:
|
|
"""URI to insert into the JSON data for uploading the file. Returns :obj:`None`, if
|
|
:attr:`attach_name` is :obj:`None`.
|
|
"""
|
|
return f"attach://{self.attach_name}" if self.attach_name else None
|