[build] make_lazy_extractors: Force running without plugins (#11205)

Authored by: Grub4K

yt_dlp/YoutubeDL.py

@@ -4070,6 +4070,10 @@ class YoutubeDL:
 
         write_debug(f'Proxy map: {self.proxies}')
         write_debug(f'Request Handlers: {", ".join(rh.RH_NAME for rh in self._request_director.handlers.values())}')
+        if os.environ.get('YTDLP_NO_PLUGINS'):
+            write_debug('Plugins are forcibly disabled')
+            return
+
         for plugin_type, plugins in {'Extractor': plugin_ies, 'Post-Processor': plugin_pps}.items():
             display_list = ['{}{}'.format(
                 klass.__name__, '' if klass.__name__ == name else f' as {name}')

yt_dlp/plugins.py

@@ -5,6 +5,7 @@ import importlib.machinery
 import importlib.util
 import inspect
 import itertools
+import os
 import pkgutil
 import sys
 import traceback
@@ -137,6 +138,8 @@ def load_module(module, module_name, suffix):
 
 def load_plugins(name, suffix):
     classes = {}
+    if os.environ.get('YTDLP_NO_PLUGINS'):
+        return classes
 
     for finder, module_name, _ in iter_modules(name):
         if any(x.startswith('_') for x in module_name.split('.')):