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# Hydrogram - Telegram MTProto API Client Library for Python

# This file is part of Hydrogram.

# Hydrogram 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.

# Hydrogram 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 Hydrogram. If not, see <http://www.gnu.org/licenses/>.

import typing

from datetime import datetime

from enum import Enum

from json import dumps

if typing.TYPE_CHECKING:

import hydrogram

class Object:

def __init__(self, client: "hydrogram.Client" = None):

self._client = client

def bind(self, client: "hydrogram.Client"):

"""Bind a Client instance to this and to all nested Hydrogram objects.

Parameters:

client (:obj:`~hydrogram.types.Client`):

The Client instance to bind this object with. Useful to re-enable bound methods after serializing and

deserializing Hydrogram objects with ``repr`` and ``eval``.

"""

self._client = client

for i in self.__dict__:

o = getattr(self, i)

if isinstance(o, Object):

o.bind(client)

@staticmethod

def default(obj: "Object"):

if isinstance(obj, bytes):

return repr(obj)

# https://t.me/hydrogramchat/167281

# Instead of re.Match, which breaks for python <=3.6

if isinstance(obj, typing.Match):

return repr(obj)

if isinstance(obj, Enum):

return str(obj)

if isinstance(obj, datetime):

return str(obj)

return {

"_": obj.__class__.__name__,

**{

attr: ("*" * 9 if attr == "phone_number" else getattr(obj, attr))

for attr in filter(lambda x: not x.startswith("_"), obj.__dict__)

if getattr(obj, attr) is not None

}

def __str__(self) -> str:

return dumps(self, indent=4, default=Object.default, ensure_ascii=False)

def __repr__(self) -> str:

return "hydrogram.types.{}({})".format(

self.__class__.__name__,

", ".join(

f"{attr}={getattr(self, attr)!r}"

for attr in filter(lambda x: not x.startswith("_"), self.__dict__)

if getattr(self, attr) is not None

)

def __eq__(self, other: "Object") -> bool:

for attr in self.__dict__:

try:

if attr.startswith("_"):

continue

if getattr(self, attr) != getattr(other, attr):

return False

except AttributeError:

return False

return True

def __hash__(self):

return hash(tuple(sorted(self.__dict__.items())))

def __setstate__(self, state):

for attr in state:

obj = state[attr]

# Maybe a better alternative would be https://docs.python.org/3/library/inspect.html#inspect.signature

if isinstance(obj, tuple) and len(obj) == 2 and obj[0] == "dt":

state[attr] = datetime.fromtimestamp(obj[1])

self.__dict__ = state

def __getstate__(self):

state = self.__dict__.copy()

state.pop("_client", None)

for attr in state:

obj = state[attr]

if isinstance(obj, datetime):

state[attr] = ("dt", obj.timestamp())

return state

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