[build] Enable lazy-extractors in releases

Set the environment variable `YTDLP_NO_LAZY_EXTRACTORS`
to forcefully disable lazy extractor loading

.github/workflows/build.yml

@@ -51,6 +51,10 @@ jobs:
         echo "changelog<<EOF" >> $GITHUB_ENV
         echo "$changelog" >> $GITHUB_ENV
         echo "EOF" >> $GITHUB_ENV
+
+    - name: Build lazy extractors
+      id: lazy_extractors
+      run: python devscripts/make_lazy_extractors.py yt_dlp/extractor/lazy_extractors.py
     - name: Run Make
       run: make all tar
     - name: Get SHA2-256SUMS for yt-dlp
@@ -155,6 +159,9 @@ jobs:
       run: python devscripts/update-version.py
     - name: Print version
       run: echo "${{ steps.bump_version.outputs.ytdlp_version }}"
+    - name: Build lazy extractors
+      id: lazy_extractors
+      run: /usr/bin/python3 devscripts/make_lazy_extractors.py yt_dlp/extractor/lazy_extractors.py
     - name: Run PyInstaller Script
       run: /usr/bin/python3 ./pyinst.py --target-architecture universal2 --onefile
     - name: Upload yt-dlp MacOS binary
@@ -224,6 +231,9 @@ jobs:
       run: python devscripts/update-version.py
     - name: Print version
       run: echo "${{ steps.bump_version.outputs.ytdlp_version }}"
+    - name: Build lazy extractors
+      id: lazy_extractors
+      run: python devscripts/make_lazy_extractors.py yt_dlp/extractor/lazy_extractors.py
     - name: Run PyInstaller Script
       run: python pyinst.py
     - name: Upload yt-dlp.exe Windows binary
@@ -290,6 +300,9 @@ jobs:
       run: python devscripts/update-version.py
     - name: Print version
       run: echo "${{ steps.bump_version.outputs.ytdlp_version }}"
+    - name: Build lazy extractors
+      id: lazy_extractors
+      run: python devscripts/make_lazy_extractors.py yt_dlp/extractor/lazy_extractors.py
     - name: Run PyInstaller Script for 32 Bit
       run: python pyinst.py
     - name: Upload Executable yt-dlp_x86.exe

Makefile

@@ -1,4 +1,4 @@
-all: yt-dlp doc pypi-files
+all: lazy-extractors yt-dlp doc pypi-files
 clean: clean-test clean-dist clean-cache
 completions: completion-bash completion-fish completion-zsh
 doc: README.md CONTRIBUTING.md issuetemplates supportedsites
@@ -40,7 +40,7 @@ SYSCONFDIR = $(shell if [ $(PREFIX) = /usr -o $(PREFIX) = /usr/local ]; then ech
 # set markdown input format to "markdown-smart" for pandoc version 2 and to "markdown" for pandoc prior to version 2
 MARKDOWN = $(shell if [ `pandoc -v | head -n1 | cut -d" " -f2 | head -c1` = "2" ]; then echo markdown-smart; else echo markdown; fi)
 
-install: yt-dlp yt-dlp.1 completions
+install: lazy_extractors yt-dlp yt-dlp.1 completions
 	install -Dm755 yt-dlp $(DESTDIR)$(BINDIR)
 	install -Dm644 yt-dlp.1 $(DESTDIR)$(MANDIR)/man1
 	install -Dm644 completions/bash/yt-dlp $(DESTDIR)$(SHAREDIR)/bash-completion/completions/yt-dlp

yt_dlp/YoutubeDL.py

@@ -3268,8 +3268,11 @@ def print_debug_header(self):
 
         source = detect_variant()
         write_debug('yt-dlp version %s%s\n' % (__version__, '' if source == 'unknown' else f' ({source})'))
-        if _LAZY_LOADER:
-            write_debug('Lazy loading extractors enabled\n')
+        if not _LAZY_LOADER:
+            if os.environ.get('YTDLP_NO_LAZY_EXTRACTORS'):
+                write_debug('Lazy loading extractors is forcibly disabled\n')
+            else:
+                write_debug('Lazy loading extractors is disabled\n')
         if plugin_extractors or plugin_postprocessors:
             write_debug('Plugins: %s\n' % [
                 '%s%s' % (klass.__name__, '' if klass.__name__ == name else f' as {name}')

yt_dlp/extractor/__init__.py

@@ -1,14 +1,15 @@
-from __future__ import unicode_literals
+import os
 
 from ..utils import load_plugins
 
-try:
-    from .lazy_extractors import *
-    from .lazy_extractors import _ALL_CLASSES
-    _LAZY_LOADER = True
-    _PLUGIN_CLASSES = {}
-except ImportError:
-    _LAZY_LOADER = False
+_LAZY_LOADER = False
+if not os.environ.get('YTDLP_NO_LAZY_EXTRACTORS'):
+    try:
+        from .lazy_extractors import *
+        from .lazy_extractors import _ALL_CLASSES
+        _LAZY_LOADER = True
+    except ImportError:
+        pass
 
 if not _LAZY_LOADER:
     from .extractors import *
@@ -19,8 +20,8 @@
     ]
     _ALL_CLASSES.append(GenericIE)
 
-    _PLUGIN_CLASSES = load_plugins('extractor', 'IE', globals())
-    _ALL_CLASSES = list(_PLUGIN_CLASSES.values()) + _ALL_CLASSES
+_PLUGIN_CLASSES = load_plugins('extractor', 'IE', globals())
+_ALL_CLASSES = list(_PLUGIN_CLASSES.values()) + _ALL_CLASSES
 
 
 def gen_extractor_classes():