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https://github.com/python-telegram-bot/python-telegram-bot.git
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637 lines
27 KiB
Python
637 lines
27 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2024
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""Provides functions to test both methods."""
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import datetime
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import functools
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import inspect
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import re
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from typing import Any, Callable, Dict, Iterable, List, Optional
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import pytest
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import telegram # for ForwardRef resolution
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from telegram import (
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Bot,
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ChatPermissions,
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File,
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InlineQueryResultArticle,
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InlineQueryResultCachedPhoto,
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InputMediaPhoto,
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InputTextMessageContent,
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LinkPreviewOptions,
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ReplyParameters,
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TelegramObject,
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)
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from telegram._utils.defaultvalue import DEFAULT_NONE, DefaultValue
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from telegram.constants import InputMediaType
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from telegram.ext import Defaults, ExtBot
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from telegram.request import RequestData
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from tests.auxil.envvars import TEST_WITH_OPT_DEPS
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if TEST_WITH_OPT_DEPS:
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import pytz
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FORWARD_REF_PATTERN = re.compile(r"ForwardRef\('(?P<class_name>\w+)'\)")
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""" A pattern to find a class name in a ForwardRef typing annotation.
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Class name (in a named group) is surrounded by parentheses and single quotes.
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"""
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def check_shortcut_signature(
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shortcut: Callable,
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bot_method: Callable,
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shortcut_kwargs: List[str],
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additional_kwargs: List[str],
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) -> bool:
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"""
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Checks that the signature of a shortcut matches the signature of the underlying bot method.
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Args:
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shortcut: The shortcut, e.g. :meth:`telegram.Message.reply_text`
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bot_method: The bot method, e.g. :meth:`telegram.Bot.send_message`
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shortcut_kwargs: The kwargs passed by the shortcut directly, e.g. ``chat_id``
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additional_kwargs: Additional kwargs of the shortcut that the bot method doesn't have, e.g.
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``quote``.
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Returns:
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:obj:`bool`: Whether or not the signature matches.
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"""
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def resolve_class(class_name: str) -> Optional[type]:
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"""Attempts to resolve a PTB class (telegram module only) from a ForwardRef.
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E.g. resolves <class 'telegram._files.sticker.StickerSet'> from "StickerSet".
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Returns a class on success, :obj:`None` if nothing could be resolved.
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"""
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for module in telegram, telegram.request:
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cls = getattr(module, class_name, None)
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if cls is not None:
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return cls
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return None # for ruff
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shortcut_sig = inspect.signature(shortcut)
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effective_shortcut_args = set(shortcut_sig.parameters.keys()).difference(additional_kwargs)
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effective_shortcut_args.discard("self")
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bot_sig = inspect.signature(bot_method)
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expected_args = set(bot_sig.parameters.keys()).difference(shortcut_kwargs)
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expected_args.discard("self")
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len_expected = len(expected_args)
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len_effective = len(effective_shortcut_args)
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if len_expected > len_effective:
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raise Exception(
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f"Shortcut signature is missing {len_expected - len_effective} arguments "
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f"of the underlying Bot method: {expected_args - effective_shortcut_args}"
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)
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if len_expected < len_effective:
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raise Exception(
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f"Shortcut signature has {len_effective - len_expected} additional arguments "
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f"that the Bot method doesn't have: {effective_shortcut_args - expected_args}"
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)
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# TODO: Also check annotation of return type. Would currently be a hassle b/c typing doesn't
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# resolve `ForwardRef('Type')` to `Type`. For now we rely on MyPy, which probably allows the
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# shortcuts to return more specific types than the bot method, but it's only annotations after
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# all
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for kwarg in effective_shortcut_args:
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expected_kind = bot_sig.parameters[kwarg].kind
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if shortcut_sig.parameters[kwarg].kind != expected_kind:
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raise Exception(f"Argument {kwarg} must be of kind {expected_kind}.")
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if bot_sig.parameters[kwarg].annotation != shortcut_sig.parameters[kwarg].annotation:
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if FORWARD_REF_PATTERN.search(str(shortcut_sig.parameters[kwarg])):
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# If a shortcut signature contains a ForwardRef, the simple comparison of
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# annotations can fail. Try and resolve the .__args__, then compare them.
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for shortcut_arg, bot_arg in zip(
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shortcut_sig.parameters[kwarg].annotation.__args__,
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bot_sig.parameters[kwarg].annotation.__args__,
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):
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shortcut_arg_to_check = shortcut_arg # for ruff
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match = FORWARD_REF_PATTERN.search(str(shortcut_arg))
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if match:
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shortcut_arg_to_check = resolve_class(match.group("class_name"))
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if shortcut_arg_to_check != bot_arg:
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raise Exception(
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f"For argument {kwarg} I expected "
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f"{bot_sig.parameters[kwarg].annotation}, but "
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f"got {shortcut_sig.parameters[kwarg].annotation}."
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f"Comparison of {shortcut_arg} and {bot_arg} failed."
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)
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elif isinstance(bot_sig.parameters[kwarg].annotation, type):
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if bot_sig.parameters[kwarg].annotation.__name__ != str(
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shortcut_sig.parameters[kwarg].annotation
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):
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raise Exception(
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f"For argument {kwarg} I expected {bot_sig.parameters[kwarg].annotation}, "
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f"but got {shortcut_sig.parameters[kwarg].annotation}"
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)
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else:
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raise Exception(
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f"For argument {kwarg} I expected {bot_sig.parameters[kwarg].annotation},"
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f"but got {shortcut_sig.parameters[kwarg].annotation}"
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)
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bot_method_sig = inspect.signature(bot_method)
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shortcut_sig = inspect.signature(shortcut)
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for arg in expected_args:
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if not shortcut_sig.parameters[arg].default == bot_method_sig.parameters[arg].default:
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raise Exception(
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f"Default for argument {arg} does not match the default of the Bot method."
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)
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for kwarg in additional_kwargs:
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if kwarg == "reply_to_message_id":
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# special case for deprecated argument of Message.reply_*
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continue
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if not shortcut_sig.parameters[kwarg].kind == inspect.Parameter.KEYWORD_ONLY:
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raise Exception(f"Argument {kwarg} must be a positional-only argument!")
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return True
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async def check_shortcut_call(
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shortcut_method: Callable,
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bot: ExtBot,
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bot_method_name: str,
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skip_params: Optional[Iterable[str]] = None,
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shortcut_kwargs: Optional[Iterable[str]] = None,
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) -> bool:
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"""
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Checks that a shortcut passes all the existing arguments to the underlying bot method. Use as::
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assert await check_shortcut_call(message.reply_text, message.bot, 'send_message')
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Args:
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shortcut_method: The shortcut method, e.g. `message.reply_text`
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bot: The bot
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bot_method_name: The bot methods name, e.g. `'send_message'`
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skip_params: Parameters that are allowed to be missing, e.g. `['inline_message_id']`
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`rate_limit_args` will be skipped by default
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shortcut_kwargs: The kwargs passed by the shortcut directly, e.g. ``chat_id``
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Returns:
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:obj:`bool`
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"""
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skip_params = set() if not skip_params else set(skip_params)
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skip_params.add("rate_limit_args")
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shortcut_kwargs = set() if not shortcut_kwargs else set(shortcut_kwargs)
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orig_bot_method = getattr(bot, bot_method_name)
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bot_signature = inspect.signature(orig_bot_method)
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expected_args = set(bot_signature.parameters.keys()) - {"self"} - set(skip_params)
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positional_args = {
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name for name, param in bot_signature.parameters.items() if param.default == param.empty
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}
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ignored_args = positional_args | set(shortcut_kwargs)
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shortcut_signature = inspect.signature(shortcut_method)
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# auto_pagination: Special casing for InlineQuery.answer
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# quote: Don't test deprecated "quote" parameter of Message.reply_*
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kwargs = {
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name: name
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for name in shortcut_signature.parameters
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if name not in ["auto_pagination", "quote"]
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}
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if "reply_parameters" in kwargs:
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kwargs["reply_parameters"] = ReplyParameters(message_id=1)
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# We tested this for a long time, but Bot API 7.0 deprecated it in favor of
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# reply_parameters. In the transition phase, both exist in a mutually exclusive
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# way. Testing both cases would require a lot of additional code, so we just
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# ignore this parameter here until it is removed.
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kwargs.pop("reply_to_message_id", None)
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expected_args.discard("reply_to_message_id")
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async def make_assertion(**kw):
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# name == value makes sure that
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# a) we receive non-None input for all parameters
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# b) we receive the correct input for each kwarg
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received_kwargs = {
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name
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for name, value in kw.items()
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if name in ignored_args
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or (value == name or (name == "reply_parameters" and value.message_id == 1))
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}
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if not received_kwargs == expected_args:
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raise Exception(
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f"{orig_bot_method.__name__} did not receive correct value for the parameters "
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f"{expected_args - received_kwargs}"
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)
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if bot_method_name == "get_file":
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# This is here mainly for PassportFile.get_file, which calls .set_credentials on the
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# return value
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return File(file_id="result", file_unique_id="result")
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return True
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setattr(bot, bot_method_name, make_assertion)
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try:
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await shortcut_method(**kwargs)
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except Exception as exc:
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raise exc
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finally:
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setattr(bot, bot_method_name, orig_bot_method)
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return True
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def build_kwargs(
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signature: inspect.Signature, default_kwargs, manually_passed_value: Any = DEFAULT_NONE
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):
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kws = {}
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for name, param in signature.parameters.items():
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# For required params we need to pass something
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if param.default is inspect.Parameter.empty:
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# Some special casing
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if name == "permissions":
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kws[name] = ChatPermissions()
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elif name in ["prices", "commands", "errors"]:
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kws[name] = []
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elif name == "media":
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media = InputMediaPhoto("media", parse_mode=manually_passed_value)
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if "list" in str(param.annotation).lower():
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kws[name] = [media]
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else:
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kws[name] = media
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elif name == "results":
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itmc = InputTextMessageContent(
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"text",
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parse_mode=manually_passed_value,
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link_preview_options=LinkPreviewOptions(
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is_disabled=manually_passed_value, url=manually_passed_value
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),
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)
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kws[name] = [
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InlineQueryResultArticle("id", "title", input_message_content=itmc),
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InlineQueryResultCachedPhoto(
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"id",
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"photo_file_id",
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parse_mode=manually_passed_value,
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input_message_content=itmc,
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),
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]
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elif name == "ok":
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kws["ok"] = False
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kws["error_message"] = "error"
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else:
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kws[name] = True
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# pass values for params that can have defaults only if we don't want to use the
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# standard default
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elif name in default_kwargs:
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if manually_passed_value != DEFAULT_NONE:
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if name == "link_preview_options":
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kws[name] = LinkPreviewOptions(
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is_disabled=manually_passed_value, url=manually_passed_value
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)
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else:
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kws[name] = manually_passed_value
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# Some special casing for methods that have "exactly one of the optionals" type args
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elif name in ["location", "contact", "venue", "inline_message_id"]:
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kws[name] = True
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elif name == "until_date":
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if manually_passed_value not in [None, DEFAULT_NONE]:
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# Europe/Berlin
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kws[name] = pytz.timezone("Europe/Berlin").localize(
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datetime.datetime(2000, 1, 1, 0)
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)
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else:
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# naive UTC
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kws[name] = datetime.datetime(2000, 1, 1, 0)
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elif name == "reply_parameters":
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kws[name] = telegram.ReplyParameters(
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message_id=1,
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allow_sending_without_reply=manually_passed_value,
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quote_parse_mode=manually_passed_value,
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)
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return kws
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def make_assertion_for_link_preview_options(
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expected_defaults_value, lpo, manual_value_expected, manually_passed_value
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):
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if not lpo:
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return
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# if no_value_expected:
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# # We always expect a value for link_preview_options, because we don't test the
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# # case send_message(…, link_preview_options=None). Instead we focus on the more
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# # compicated case of send_message(…, link_preview_options=LinkPreviewOptions(arg=None))
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if manual_value_expected:
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if lpo.get("is_disabled") != manually_passed_value:
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pytest.fail(
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f"Got value {lpo.get('is_disabled')} for link_preview_options.is_disabled, "
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f"expected it to be {manually_passed_value}"
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)
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if lpo.get("url") != manually_passed_value:
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pytest.fail(
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f"Got value {lpo.get('url')} for link_preview_options.url, "
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f"expected it to be {manually_passed_value}"
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)
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if expected_defaults_value:
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if lpo.get("show_above_text") != expected_defaults_value:
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pytest.fail(
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f"Got value {lpo.get('show_above_text')} for link_preview_options.show_above_text,"
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f" expected it to be {expected_defaults_value}"
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)
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if manually_passed_value is DEFAULT_NONE and lpo.get("url") != expected_defaults_value:
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pytest.fail(
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f"Got value {lpo.get('url')} for link_preview_options.url, "
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f"expected it to be {expected_defaults_value}"
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)
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async def make_assertion(
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url,
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request_data: RequestData,
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method_name: str,
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kwargs_need_default: List[str],
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return_value,
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manually_passed_value: Any = DEFAULT_NONE,
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expected_defaults_value: Any = DEFAULT_NONE,
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*args,
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**kwargs,
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):
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data = request_data.parameters
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no_value_expected = (manually_passed_value is None) or (
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manually_passed_value is DEFAULT_NONE and expected_defaults_value is None
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)
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manual_value_expected = (manually_passed_value is not DEFAULT_NONE) and not no_value_expected
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default_value_expected = (not manual_value_expected) and (not no_value_expected)
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# Check reply_parameters - needs special handling b/c we merge this with the default
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# value for `allow_sending_without_reply`
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reply_parameters = data.pop("reply_parameters", None)
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if reply_parameters:
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for param in ["allow_sending_without_reply", "quote_parse_mode"]:
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if no_value_expected and param in reply_parameters:
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pytest.fail(f"Got value for reply_parameters.{param}, expected it to be absent")
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param_value = reply_parameters.get(param)
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if manual_value_expected and param_value != manually_passed_value:
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pytest.fail(
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f"Got value {param_value} for reply_parameters.{param} "
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f"instead of {manually_passed_value}"
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)
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elif default_value_expected and param_value != expected_defaults_value:
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pytest.fail(
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f"Got value {param_value} for reply_parameters.{param} "
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f"instead of {expected_defaults_value}"
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)
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# Check link_preview_options - needs special handling b/c we merge this with the default
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# values specified in `Defaults.link_preview_options`
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make_assertion_for_link_preview_options(
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expected_defaults_value,
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data.get("link_preview_options", None),
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manual_value_expected,
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manually_passed_value,
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)
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# Check regular arguments that need defaults
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for arg in kwargs_need_default:
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if arg == "link_preview_options":
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# already handled above
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continue
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# 'None' should not be passed along to Telegram
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if no_value_expected and arg in data:
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pytest.fail(f"Got value {data[arg]} for argument {arg}, expected it to be absent")
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value = data.get(arg, "`not passed at all`")
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if manual_value_expected and value != manually_passed_value:
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pytest.fail(f"Got value {value} for argument {arg} instead of {manually_passed_value}")
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elif default_value_expected and value != expected_defaults_value:
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pytest.fail(
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f"Got value {value} for argument {arg} instead of {expected_defaults_value}"
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)
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# Check InputMedia (parse_mode can have a default)
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def check_input_media(m: Dict):
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parse_mode = m.get("parse_mode")
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if no_value_expected and parse_mode is not None:
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pytest.fail("InputMedia has non-None parse_mode, expected it to be absent")
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elif default_value_expected and parse_mode != expected_defaults_value:
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pytest.fail(
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f"Got value {parse_mode} for InputMedia.parse_mode instead "
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f"of {expected_defaults_value}"
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)
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elif manual_value_expected and parse_mode != manually_passed_value:
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pytest.fail(
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f"Got value {parse_mode} for InputMedia.parse_mode instead "
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f"of {manually_passed_value}"
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)
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media = data.pop("media", None)
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if media:
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if isinstance(media, dict) and isinstance(media.get("type", None), InputMediaType):
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check_input_media(media)
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else:
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for m in media:
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check_input_media(m)
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# Check InlineQueryResults
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results = data.pop("results", [])
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for result in results:
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if no_value_expected and "parse_mode" in result:
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pytest.fail("ILQR has a parse mode, expected it to be absent")
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# Here we explicitly use that we only pass ILQRPhoto and ILQRArticle for testing
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elif "photo" in result:
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parse_mode = result.get("parse_mode")
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if manually_passed_value and parse_mode != manually_passed_value:
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pytest.fail(
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f"Got value {parse_mode} for ILQR.parse_mode instead of "
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f"{manually_passed_value}"
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)
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elif default_value_expected and parse_mode != expected_defaults_value:
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pytest.fail(
|
|
f"Got value {parse_mode} for ILQR.parse_mode instead of "
|
|
f"{expected_defaults_value}"
|
|
)
|
|
|
|
# Here we explicitly use that we only pass InputTextMessageContent for testing
|
|
# which has both parse_mode and link_preview_options
|
|
imc = result.get("input_message_content")
|
|
if not imc:
|
|
continue
|
|
if no_value_expected and "parse_mode" in imc:
|
|
pytest.fail("ILQR.i_m_c has a parse_mode, expected it to be absent")
|
|
parse_mode = imc.get("parse_mode")
|
|
if manual_value_expected and parse_mode != manually_passed_value:
|
|
pytest.fail(
|
|
f"Got value {imc.parse_mode} for ILQR.i_m_c.parse_mode "
|
|
f"instead of {manual_value_expected}"
|
|
)
|
|
elif default_value_expected and parse_mode != expected_defaults_value:
|
|
pytest.fail(
|
|
f"Got value {imc.parse_mode} for ILQR.i_m_c.parse_mode "
|
|
f"instead of {expected_defaults_value}"
|
|
)
|
|
|
|
make_assertion_for_link_preview_options(
|
|
expected_defaults_value,
|
|
imc.get("link_preview_options", None),
|
|
manual_value_expected,
|
|
manually_passed_value,
|
|
)
|
|
|
|
# Check datetime conversion
|
|
until_date = data.pop("until_date", None)
|
|
if until_date:
|
|
if manual_value_expected and until_date != 946681200:
|
|
pytest.fail("Non-naive until_date should have been interpreted as Europe/Berlin.")
|
|
if not any((manually_passed_value, expected_defaults_value)) and until_date != 946684800:
|
|
pytest.fail("Naive until_date should have been interpreted as UTC")
|
|
if default_value_expected and until_date != 946702800:
|
|
pytest.fail("Naive until_date should have been interpreted as America/New_York")
|
|
|
|
if method_name in ["get_file", "get_small_file", "get_big_file"]:
|
|
# This is here mainly for PassportFile.get_file, which calls .set_credentials on the
|
|
# return value
|
|
out = File(file_id="result", file_unique_id="result")
|
|
return out.to_dict()
|
|
# Otherwise return None by default, as TGObject.de_json/list(None) in [None, []]
|
|
# That way we can check what gets passed to Request.post without having to actually
|
|
# make a request
|
|
# Some methods expect specific output, so we allow to customize that
|
|
if isinstance(return_value, TelegramObject):
|
|
return return_value.to_dict()
|
|
return return_value
|
|
|
|
|
|
async def check_defaults_handling(
|
|
method: Callable,
|
|
bot: Bot,
|
|
return_value=None,
|
|
) -> bool:
|
|
"""
|
|
Checks that tg.ext.Defaults are handled correctly.
|
|
|
|
Args:
|
|
method: The shortcut/bot_method
|
|
bot: The bot. May be a telegram.Bot or a telegram.ext.ExtBot. In the former case, all
|
|
default values will be converted to None.
|
|
return_value: Optional. The return value of Bot._post that the method expects. Defaults to
|
|
None. get_file is automatically handled. If this is a `TelegramObject`, Bot._post will
|
|
return the `to_dict` representation of it.
|
|
|
|
"""
|
|
raw_bot = not isinstance(bot, ExtBot)
|
|
get_updates = method.__name__.lower().replace("_", "") == "getupdates"
|
|
|
|
shortcut_signature = inspect.signature(method)
|
|
kwargs_need_default = {
|
|
kwarg
|
|
for kwarg, value in shortcut_signature.parameters.items()
|
|
if isinstance(value.default, DefaultValue) and not kwarg.endswith("_timeout")
|
|
}
|
|
# We tested this for a long time, but Bot API 7.0 deprecated it in favor of
|
|
# reply_parameters. In the transition phase, both exist in a mutually exclusive
|
|
# way. Testing both cases would require a lot of additional code, so we for now are content
|
|
# with the explicit tests that we have inplace for allow_sending_without_reply
|
|
kwargs_need_default.discard("allow_sending_without_reply")
|
|
|
|
if method.__name__.endswith("_media_group"):
|
|
# the parse_mode is applied to the first media item, and we test this elsewhere
|
|
kwargs_need_default.remove("parse_mode")
|
|
|
|
defaults_no_custom_defaults = Defaults()
|
|
kwargs = {kwarg: "custom_default" for kwarg in inspect.signature(Defaults).parameters}
|
|
kwargs["tzinfo"] = pytz.timezone("America/New_York")
|
|
kwargs.pop("disable_web_page_preview") # mutually exclusive with link_preview_options
|
|
kwargs.pop("quote") # mutually exclusive with do_quote
|
|
kwargs["link_preview_options"] = LinkPreviewOptions(
|
|
url="custom_default", show_above_text="custom_default"
|
|
)
|
|
defaults_custom_defaults = Defaults(**kwargs)
|
|
|
|
expected_return_values = [None, ()] if return_value is None else [return_value]
|
|
if method.__name__ in ["get_file", "get_small_file", "get_big_file"]:
|
|
expected_return_values = [File(file_id="result", file_unique_id="result")]
|
|
|
|
request = bot._request[0] if get_updates else bot.request
|
|
orig_post = request.post
|
|
try:
|
|
if raw_bot:
|
|
combinations = [(None, None)]
|
|
else:
|
|
combinations = [
|
|
(None, defaults_no_custom_defaults),
|
|
("custom_default", defaults_custom_defaults),
|
|
]
|
|
|
|
for expected_defaults_value, defaults in combinations:
|
|
if not raw_bot:
|
|
bot._defaults = defaults
|
|
|
|
# 1: test that we get the correct default value, if we don't specify anything
|
|
kwargs = build_kwargs(shortcut_signature, kwargs_need_default)
|
|
assertion_callback = functools.partial(
|
|
make_assertion,
|
|
kwargs_need_default=kwargs_need_default,
|
|
method_name=method.__name__,
|
|
return_value=return_value,
|
|
expected_defaults_value=expected_defaults_value,
|
|
)
|
|
request.post = assertion_callback
|
|
assert await method(**kwargs) in expected_return_values
|
|
|
|
# 2: test that we get the manually passed non-None value
|
|
kwargs = build_kwargs(
|
|
shortcut_signature, kwargs_need_default, manually_passed_value="non-None-value"
|
|
)
|
|
assertion_callback = functools.partial(
|
|
make_assertion,
|
|
manually_passed_value="non-None-value",
|
|
kwargs_need_default=kwargs_need_default,
|
|
method_name=method.__name__,
|
|
return_value=return_value,
|
|
expected_defaults_value=expected_defaults_value,
|
|
)
|
|
request.post = assertion_callback
|
|
assert await method(**kwargs) in expected_return_values
|
|
|
|
# 3: test that we get the manually passed None value
|
|
kwargs = build_kwargs(
|
|
shortcut_signature, kwargs_need_default, manually_passed_value=None
|
|
)
|
|
assertion_callback = functools.partial(
|
|
make_assertion,
|
|
manually_passed_value=None,
|
|
kwargs_need_default=kwargs_need_default,
|
|
method_name=method.__name__,
|
|
return_value=return_value,
|
|
expected_defaults_value=expected_defaults_value,
|
|
)
|
|
request.post = assertion_callback
|
|
assert await method(**kwargs) in expected_return_values
|
|
except Exception as exc:
|
|
raise exc
|
|
finally:
|
|
request.post = orig_post
|
|
if not raw_bot:
|
|
bot._defaults = None
|
|
|
|
return True
|