mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-15 05:56:36 +03:00
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
"""
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This magical module will rewrite all public methods in the public interface
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of the library so they can run the loop on their own if it's not already
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running. This rewrite may not be desirable if the end user always uses the
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methods they way they should be ran, but it's incredibly useful for quick
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scripts and the runtime overhead is relatively low.
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Some really common methods which are hardly used offer this ability by
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default, such as ``.start()`` and ``.run_until_disconnected()`` (since
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you may want to start, and then run until disconnected while using async
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event handlers).
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"""
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import asyncio
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import functools
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import inspect
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from async_generator import isasyncgenfunction
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from .client.telegramclient import TelegramClient
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from .tl.custom import (
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Draft, Dialog, MessageButton, Forward, Message, InlineResult, Conversation
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)
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from .tl.custom.chatgetter import ChatGetter
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from .tl.custom.sendergetter import SenderGetter
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def _syncify_coro(t, method_name):
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method = getattr(t, method_name)
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@functools.wraps(method)
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def syncified(*args, **kwargs):
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coro = method(*args, **kwargs)
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return (
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coro if asyncio.get_event_loop().is_running()
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else asyncio.get_event_loop().run_until_complete(coro)
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)
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setattr(t, method_name, syncified)
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class _SyncGen:
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def __init__(self, loop, gen):
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self.loop = loop
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self.gen = gen
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def __iter__(self):
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return self
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def __next__(self):
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try:
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return self.loop.run_until_complete(self.gen.__anext__())
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except StopAsyncIteration:
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raise StopIteration from None
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def _syncify_gen(t, method_name):
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method = getattr(t, method_name)
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@functools.wraps(method)
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def syncified(*args, **kwargs):
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coro = method(*args, **kwargs)
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return (
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coro if asyncio.get_event_loop().is_running()
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else _SyncGen(asyncio.get_event_loop(), coro)
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)
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setattr(t, method_name, syncified)
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def syncify(*types):
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"""
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Converts all the methods in the given types (class definitions)
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into synchronous, which return either the coroutine or the result
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based on whether ``asyncio's`` event loop is running.
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"""
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for t in types:
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for method_name in dir(t):
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if not method_name.startswith('_') or method_name == '__call__':
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if inspect.iscoroutinefunction(getattr(t, method_name)):
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_syncify_coro(t, method_name)
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elif isasyncgenfunction(getattr(t, method_name)):
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_syncify_gen(t, method_name)
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syncify(TelegramClient, Draft, Dialog, MessageButton,
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ChatGetter, SenderGetter, Forward, Message, InlineResult, Conversation)
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