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# Pyrogram - Telegram MTProto API Client Library for Python

# Copyright (C) 2017-2018 Dan Tès <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 importlib import import_module

from pyrogram.api.types import RpcError

from .exceptions.all import exceptions

class Error(Exception):

"""This is the base exception class for all Telegram API related errors.

For a finer grained control, see the specific errors below.

"""

ID = None

CODE = None

NAME = None

MESSAGE = None

def __init__(self, x: int or RpcError = None, query_type: type = None):

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

self.CODE,

self.ID or self.NAME,

str(self) or self.MESSAGE.format(x=x)

))

try:

self.x = int(x)

except (ValueError, TypeError):

self.x = x

# TODO: Proper log unknown errors

if self.CODE == 520:

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

f.write("{}\t{}\t{}\n".format(x.error_code, x.error_message, query_type))

@staticmethod

def raise_it(rpc_error: RpcError, query_type: type):

code = rpc_error.error_code

if code not in exceptions:

raise UnknownError(x=rpc_error, query_type=query_type)

message = rpc_error.error_message

id = re.sub(r"_\d+", "_X", message)

if id not in exceptions[code]:

raise UnknownError(x=rpc_error, query_type=query_type)

x = re.search(r"_(\d+)", message)

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

raise getattr(

import_module("pyrogram.api.errors"),

exceptions[code][id]

)(x=x)

class UnknownError(Error):

"""This object represents an Unknown Error, that is, an error which

Pyrogram does not know anything about, yet.

"""

CODE = 520

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

NAME = "Unknown error"

MESSAGE = "{x}"