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# Pyrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2017-present Dan <https://github.com/delivrance>

#

# 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 asyncio

import functools

import inspect

import threading

from pyrogram import types

from pyrogram.methods import Methods

from pyrogram.methods.utilities import idle as idle_module, compose as compose_module

def async_to_sync(obj, name):

function = getattr(obj, name)

main_loop = asyncio.get_event_loop()

def async_to_sync_gen(agen, loop, is_main_thread):

async def anext(agen):

try:

return await agen.__anext__(), False

except StopAsyncIteration:

return None, True

while True:

if is_main_thread:

item, done = loop.run_until_complete(anext(agen))

else:

item, done = asyncio.run_coroutine_threadsafe(anext(agen), loop).result()

if done:

break

yield item

@functools.wraps(function)

def async_to_sync_wrap(*args, **kwargs):

coroutine = function(*args, **kwargs)

try:

loop = asyncio.get_event_loop()

except RuntimeError:

loop = asyncio.new_event_loop()

asyncio.set_event_loop(loop)

if threading.current_thread() is threading.main_thread() or not main_loop.is_running():

if loop.is_running():

return coroutine

else:

if inspect.iscoroutine(coroutine):

return loop.run_until_complete(coroutine)

if inspect.isasyncgen(coroutine):

return async_to_sync_gen(coroutine, loop, True)

else:

if inspect.iscoroutine(coroutine):

if loop.is_running():

async def coro_wrapper():

return await asyncio.wrap_future(asyncio.run_coroutine_threadsafe(coroutine, main_loop))

return coro_wrapper()

else:

return asyncio.run_coroutine_threadsafe(coroutine, main_loop).result()

if inspect.isasyncgen(coroutine):

if loop.is_running():

return coroutine

else:

return async_to_sync_gen(coroutine, main_loop, False)

setattr(obj, name, async_to_sync_wrap)

def wrap(source):

for name in dir(source):

method = getattr(source, name)

if not name.startswith("_"):

if inspect.iscoroutinefunction(method) or inspect.isasyncgenfunction(method):

async_to_sync(source, name)

# Wrap all Client's relevant methods

wrap(Methods)

# Wrap types' bound methods

for class_name in dir(types):

cls = getattr(types, class_name)

if inspect.isclass(cls):

wrap(cls)

# Special case for idle and compose, because they are not inside Methods

async_to_sync(idle_module, "idle")

idle = getattr(idle_module, "idle")

async_to_sync(compose_module, "compose")

compose = getattr(compose_module, "compose")