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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 re

from datetime import datetime

from importlib import import_module

from typing import Type, Union

from pyrogram import raw

from pyrogram.raw.core import TLObject

from .exceptions.all import exceptions

class RPCError(Exception):

ID = None

CODE = None

NAME = None

MESSAGE = "{value}"

def __init__(

self,

value: Union[int, str, raw.types.RpcError] = None,

rpc_name: str = None,

is_unknown: bool = False,

is_signed: bool = False

):

super().__init__("Telegram says: [{}{} {}] - {} {}".format(

"-" if is_signed else "",

self.CODE,

self.ID or self.NAME,

self.MESSAGE.format(value=value),

f'(caused by "{rpc_name}")' if rpc_name else ""

))

try:

self.value = int(value)

except (ValueError, TypeError):

self.value = value

if is_unknown:

with open("unknown_errors.txt", "a", encoding="utf-8") as f:

f.write(f"{datetime.now()}\t{value}\t{rpc_name}\n")

@staticmethod

def raise_it(rpc_error: "raw.types.RpcError", rpc_type: Type[TLObject]):

error_code = rpc_error.error_code

is_signed = error_code < 0

error_message = rpc_error.error_message

rpc_name = ".".join(rpc_type.QUALNAME.split(".")[1:])

if is_signed:

error_code = -error_code

if error_code not in exceptions:

raise UnknownError(

value=f"[{error_code} {error_message}]",

rpc_name=rpc_name,

is_unknown=True,

is_signed=is_signed

)

error_id = re.sub(r"_\d+", "_X", error_message)

if error_id not in exceptions[error_code]:

raise getattr(

import_module("pyrogram.errors"),

exceptions[error_code]["_"]

)(value=f"[{error_code} {error_message}]",

rpc_name=rpc_name,

is_unknown=True,

is_signed=is_signed)

value = re.search(r"_(\d+)", error_message)

value = value.group(1) if value is not None else value

raise getattr(

import_module("pyrogram.errors"),

exceptions[error_code][error_id]

)(value=value,

rpc_name=rpc_name,

is_unknown=False,

is_signed=is_signed)

class UnknownError(RPCError):

CODE = 520

""":obj:`int`: Error code"""

NAME = "Unknown error"