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# Pyrogram - Telegram MTProto API Client Library for Python

# This file is part of Pyrogram.

# Pyrogram is free software: you can redistribute it and/or modify

# it under the terms of the GNU Lesser General Public License as published

# by the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# Pyrogram 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 General Public License for more details.

# You should have received a copy of the GNU Lesser General Public License

# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.

import binascii

import os

import struct

from typing import Union

import pyrogram

from pyrogram.api import functions, types

from pyrogram.api.errors import FileIdInvalid, FilePartMissing

from pyrogram.client.ext import BaseClient, utils

class SendVoice(BaseClient):

def send_voice(

self,

chat_id: Union[int, str],

voice: str,

caption: str = "",

parse_mode: str = "",

duration: int = 0,

disable_notification: bool = None,

reply_to_message_id: int = None,

reply_markup: Union[

"pyrogram.InlineKeyboardMarkup",

"pyrogram.ReplyKeyboardMarkup",

"pyrogram.ReplyKeyboardRemove",

"pyrogram.ForceReply",

] = None,

progress: callable = None,

progress_args: tuple = (),

) -> Union["pyrogram.Message", None]:

"""Use this method to send audio files.

Args:

chat_id (``int`` | ``str``):

Unique identifier (int) or username (str) of the target chat.

For your personal cloud (Saved Messages) you can simply use "me" or "self".

For a contact that exists in your Telegram address book you can use his phone number (str).

voice (``str``):

Audio file to send.

Pass a file_id as string to send an audio that exists on the Telegram servers,

pass an HTTP URL as a string for Telegram to get an audio from the Internet, or

pass a file path as string to upload a new audio that exists on your local machine.

caption (``str``, *optional*):

Voice message caption, 0-1024 characters.

parse_mode (``str``, *optional*):

Use :obj:`MARKDOWN <pyrogram.ParseMode.MARKDOWN>` or :obj:`HTML <pyrogram.ParseMode.HTML>`

if you want Telegram apps to show bold, italic, fixed-width text or inline URLs in your caption.

Defaults to Markdown.

duration (``int``, *optional*):

Duration of the voice message in seconds.

disable_notification (``bool``, *optional*):

Sends the message silently.

Users will receive a notification with no sound.

reply_to_message_id (``int``, *optional*):

If the message is a reply, ID of the original message

reply_markup (:obj:`InlineKeyboardMarkup` | :obj:`ReplyKeyboardMarkup` | :obj:`ReplyKeyboardRemove` | :obj:`ForceReply`, *optional*):

Additional interface options. An object for an inline keyboard, custom reply keyboard,

instructions to remove reply keyboard or to force a reply from the user.

progress (``callable``, *optional*):

Pass a callback function to view the upload progress.

The function must take *(client, current, total, \*args)* as positional arguments (look at the section

below for a detailed description).

progress_args (``tuple``, *optional*):

Extra custom arguments for the progress callback function. Useful, for example, if you want to pass

a chat_id and a message_id in order to edit a message with the updated progress.

Other Parameters:

client (:obj:`Client <pyrogram.Client>`):

The Client itself, useful when you want to call other API methods inside the callback function.

current (``int``):

The amount of bytes uploaded so far.

total (``int``):

The size of the file.

*args (``tuple``, *optional*):

Extra custom arguments as defined in the *progress_args* parameter.

You can either keep *\*args* or add every single extra argument in your function signature.

Returns:

On success, the sent :obj:`Message <pyrogram.Message>` is returned.

In case the upload is deliberately stopped with :meth:`stop_transmission`, None is returned instead.

Raises:

:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.

"""

file = None

style = self.html if parse_mode.lower() == "html" else self.markdown

try:

if os.path.exists(voice):

file = self.save_file(voice, progress=progress, progress_args=progress_args)

media = types.InputMediaUploadedDocument(

mime_type="audio/mpeg",

file=file,

attributes=[types.DocumentAttributeAudio(voice=True, duration=duration)],

)

elif voice.startswith("http"):

media = types.InputMediaDocumentExternal(url=voice)

else:

try:

decoded = utils.decode(voice)

fmt = "<iiqqqqi" if len(decoded) > 24 else "<iiqq"

unpacked = struct.unpack(fmt, decoded)

except (AssertionError, binascii.Error, struct.error):

raise FileIdInvalid from None

else:

if unpacked[0] != 3:

media_type = BaseClient.MEDIA_TYPE_ID.get(unpacked[0], None)

if media_type:

raise FileIdInvalid("The file_id belongs to a {}".format(media_type))

else:

raise FileIdInvalid("Unknown media type: {}".format(unpacked[0]))

media = types.InputMediaDocument(

id=types.InputDocument(id=unpacked[2], access_hash=unpacked[3], file_reference=b"")

)

while True:

try:

r = self.send(

functions.messages.SendMedia(

peer=self.resolve_peer(chat_id),

media=media,

silent=disable_notification or None,

reply_to_msg_id=reply_to_message_id,

random_id=self.rnd_id(),

reply_markup=reply_markup.write() if reply_markup else None,

**style.parse(caption)

)

except FilePartMissing as e:

self.save_file(voice, file_id=file.id, file_part=e.x)

else:

for i in r.updates:

if isinstance(i, (types.UpdateNewMessage, types.UpdateNewChannelMessage)):

return pyrogram.Message._parse(

self, i.message, {i.id: i for i in r.users}, {i.id: i for i in r.chats}

)

except BaseClient.StopTransmission:

return None

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