mirror of
https://github.com/python-telegram-bot/python-telegram-bot.git
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223 lines
8.2 KiB
Python
223 lines
8.2 KiB
Python
#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2023
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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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import collections.abc
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import inspect
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import re
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import typing
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from pathlib import Path
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from sphinx.application import Sphinx
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import telegram
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import telegram.ext
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from docs.auxil.admonition_inserter import AdmonitionInserter
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from docs.auxil.kwargs_insertion import (
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check_timeout_and_api_kwargs_presence,
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find_insert_pos_for_kwargs,
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keyword_args,
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media_write_timeout_deprecation,
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media_write_timeout_deprecation_methods,
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read_timeout_sub,
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read_timeout_type,
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)
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from docs.auxil.link_code import LINE_NUMBERS
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ADMONITION_INSERTER = AdmonitionInserter()
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# Some base classes are implementation detail
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# We want to instead show *their* base class
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PRIVATE_BASE_CLASSES = {
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"_ChatUserBaseFilter": "MessageFilter",
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"_Dice": "MessageFilter",
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"_BaseThumbedMedium": "TelegramObject",
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"_BaseMedium": "TelegramObject",
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"_CredentialsBase": "TelegramObject",
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}
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FILE_ROOT = Path(inspect.getsourcefile(telegram)).parent.parent.resolve()
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def autodoc_skip_member(app, what, name, obj, skip, options):
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"""We use this to not document certain members like filter() or check_update() for filters.
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See https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html#skipping-members"""
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included = {"MessageFilter", "UpdateFilter"} # filter() and check_update() only for these.
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included_in_obj = any(inc in repr(obj) for inc in included)
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if included_in_obj: # it's difficult to see if check_update is from an inherited-member or not
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for frame in inspect.stack(): # From https://github.com/sphinx-doc/sphinx/issues/9533
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if frame.function == "filter_members":
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docobj = frame.frame.f_locals["self"].object
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if not any(inc in str(docobj) for inc in included) and name == "check_update":
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return True
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break
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if name == "filter" and obj.__module__ == "telegram.ext.filters":
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if not included_in_obj:
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return True # return True to exclude from docs.
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def autodoc_process_docstring(
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app: Sphinx, what, name: str, obj: object, options, lines: list[str]
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):
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"""We do the following things:
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1) Use this method to automatically insert the Keyword Args and "Shortcuts" admonitions
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for the Bot methods.
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2) Use this method to automatically insert "Returned in" admonition into classes
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that are returned from the Bot methods
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3) Use this method to automatically insert "Available in" admonition into classes
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whose instances are available as attributes of other classes
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4) Use this method to automatically insert "Use in" admonition into classes
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whose instances can be used as arguments of the Bot methods
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5) Misuse this autodoc hook to get the file names & line numbers because we have access
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to the actual object here.
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"""
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# 1) Insert the Keyword Args and "Shortcuts" admonitions for the Bot methods
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method_name = name.split(".")[-1]
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if (
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name.startswith("telegram.Bot.")
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and what == "method"
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and method_name.islower()
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and check_timeout_and_api_kwargs_presence(obj)
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):
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insert_index = find_insert_pos_for_kwargs(lines)
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if not insert_index:
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raise ValueError(
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f"Couldn't find the correct position to insert the keyword args for {obj}."
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)
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get_updates_sub = 1 if (method_name == "get_updates") else 0
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# The below can be done in 1 line with itertools.chain, but this must be modified in-place
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insert_idx = insert_index
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for i in range(insert_index, insert_index + len(keyword_args)):
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to_insert = keyword_args[i - insert_index]
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if (
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"post.write_timeout`. Defaults to" in to_insert
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and method_name in media_write_timeout_deprecation_methods
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):
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effective_insert: list[str] = media_write_timeout_deprecation
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else:
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effective_insert = [to_insert]
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effective_insert = [
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entry.format(
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method=method_name,
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read_timeout=read_timeout_sub[get_updates_sub],
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read_timeout_type=read_timeout_type[get_updates_sub],
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)
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for entry in effective_insert
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]
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lines[insert_idx:insert_idx] = effective_insert
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insert_idx += len(effective_insert)
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ADMONITION_INSERTER.insert_admonitions(
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obj=typing.cast(collections.abc.Callable, obj),
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docstring_lines=lines,
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)
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# 2-4) Insert "Returned in", "Available in", "Use in" admonitions into classes
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# (where applicable)
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if what == "class":
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ADMONITION_INSERTER.insert_admonitions(
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obj=typing.cast(type, obj), # since "what" == class, we know it's not just object
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docstring_lines=lines,
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)
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# 5) Get the file names & line numbers
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# We can't properly handle ordinary attributes.
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# In linkcode_resolve we'll resolve to the `__init__` or module instead
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if what == "attribute":
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return
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# Special casing for properties
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if hasattr(obj, "fget"):
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obj = obj.fget
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# Special casing for filters
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if isinstance(obj, telegram.ext.filters.BaseFilter):
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obj = obj.__class__
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try:
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source_lines, start_line = inspect.getsourcelines(obj)
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end_line = start_line + len(source_lines)
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file = Path(inspect.getsourcefile(obj)).relative_to(FILE_ROOT)
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LINE_NUMBERS[name] = (file, start_line, end_line)
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except Exception:
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pass
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# Since we don't document the `__init__`, we call this manually to have it available for
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# attributes -- see the note above
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if what == "class":
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autodoc_process_docstring(app, "method", f"{name}.__init__", obj.__init__, options, lines)
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def autodoc_process_bases(app, name, obj, option, bases: list):
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"""Here we fine tune how the base class's classes are displayed."""
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for idx, base in enumerate(bases):
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# let's use a string representation of the object
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base = str(base)
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# Special case for abstract context managers which are wrongly resoled for some reason
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if base.startswith("typing.AbstractAsyncContextManager"):
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bases[idx] = ":class:`contextlib.AbstractAsyncContextManager`"
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continue
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# Special case because base classes are in std lib:
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if "StringEnum" in base == "<enum 'StringEnum'>":
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bases[idx] = ":class:`enum.Enum`"
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bases.insert(0, ":class:`str`")
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continue
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if "IntEnum" in base:
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bases[idx] = ":class:`enum.IntEnum`"
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continue
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# Drop generics (at least for now)
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if base.endswith("]"):
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base = base.split("[", maxsplit=1)[0]
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bases[idx] = f":class:`{base}`"
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# Now convert `telegram._message.Message` to `telegram.Message` etc
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if (
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not (match := re.search(pattern=r"(telegram(\.ext|))\.[_\w\.]+", string=base))
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or "_utils" in base
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):
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continue
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parts = match.group(0).split(".")
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# Remove private paths
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for index, part in enumerate(parts):
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if part.startswith("_"):
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parts = parts[:index] + parts[-1:]
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break
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# Replace private base classes with their respective parent
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parts = [PRIVATE_BASE_CLASSES.get(part, part) for part in parts]
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base = ".".join(parts)
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bases[idx] = f":class:`{base}`"
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