From 9bcfe33be7f1aa7164e690ced133cae4b063efa4 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Wed, 30 Nov 2022 06:10:26 +0530
Subject: [PATCH] [utils] Make `ExtractorError` mutable

---
 yt_dlp/extractor/common.py | 14 ++++----------
 yt_dlp/utils.py            | 21 +++++++++++++++------
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index c2b9970ec..3ca8fe24c 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -692,16 +692,10 @@ def extract(self, url):
         except UnsupportedError:
             raise
         except ExtractorError as e:
-            kwargs = {
-                'video_id': e.video_id or self.get_temp_id(url),
-                'ie': self.IE_NAME,
-                'tb': e.traceback or sys.exc_info()[2],
-                'expected': e.expected,
-                'cause': e.cause
-            }
-            if hasattr(e, 'countries'):
-                kwargs['countries'] = e.countries
-            raise type(e)(e.orig_msg, **kwargs)
+            e.video_id = e.video_id or self.get_temp_id(url),
+            e.ie = e.ie or self.IE_NAME,
+            e.traceback = e.traceback or sys.exc_info()[2]
+            raise
         except http.client.IncompleteRead as e:
             raise ExtractorError('A network error has occurred.', cause=e, expected=True, video_id=self.get_temp_id(url))
         except (KeyError, StopIteration) as e:
diff --git a/yt_dlp/utils.py b/yt_dlp/utils.py
index d351d0e36..ed1b24335 100644
--- a/yt_dlp/utils.py
+++ b/yt_dlp/utils.py
@@ -1095,13 +1095,16 @@ def __init__(self, msg, tb=None, expected=False, cause=None, video_id=None, ie=N
         self.exc_info = sys.exc_info()  # preserve original exception
         if isinstance(self.exc_info[1], ExtractorError):
             self.exc_info = self.exc_info[1].exc_info
+        super().__init__(self.__msg)
 
-        super().__init__(''.join((
-            format_field(ie, None, '[%s] '),
-            format_field(video_id, None, '%s: '),
-            msg,
-            format_field(cause, None, ' (caused by %r)'),
-            '' if expected else bug_reports_message())))
+    @property
+    def __msg(self):
+        return ''.join((
+            format_field(self.ie, None, '[%s] '),
+            format_field(self.video_id, None, '%s: '),
+            self.orig_msg,
+            format_field(self.cause, None, ' (caused by %r)'),
+            '' if self.expected else bug_reports_message()))
 
     def format_traceback(self):
         return join_nonempty(
@@ -1109,6 +1112,12 @@ def format_traceback(self):
             self.cause and ''.join(traceback.format_exception(None, self.cause, self.cause.__traceback__)[1:]),
             delim='\n') or None
 
+    def __setattr__(self, name, value):
+        super().__setattr__(name, value)
+        if getattr(self, 'msg', None) and name not in ('msg', 'args'):
+            self.msg = self.__msg or type(self).__name__
+            self.args = (self.msg, )  # Cannot be property
+
 
 class UnsupportedError(ExtractorError):
     def __init__(self, url):