[youtube] Fix error reporting of "Incomplete data"

[yt-dlp.git] / yt_dlp / __init__.py

diff --git a/yt_dlp/__init__.py b/yt_dlp/__init__.py
index 7caf41c60707a97fb9b28e1378fbff732b4dbba8..317dd26231cea426a8ffa8636e701d70ca5922fc 100644 (file)
--- a/yt_dlp/__init__.py
+++ b/yt_dlp/__init__.py
@@ -1,4 +1,8 @@
-f'You are using an unsupported version of Python. Only Python versions 3.6 and above are supported by yt-dlp'  # noqa: F541
+try:
+    import contextvars  # noqa: F401
+except Exception:
+    raise Exception(
+        f'You are using an unsupported version of Python. Only Python versions 3.7 and above are supported by yt-dlp')  # noqa: F541
 
 __license__ = 'Public Domain'
 
@@ -20,6 +24,8 @@
 from .options import parseOpts
 from .postprocessor import (
     FFmpegExtractAudioPP,
+    FFmpegMergerPP,
+    FFmpegPostProcessor,
     FFmpegSubtitlesConvertorPP,
     FFmpegThumbnailsConvertorPP,
     FFmpegVideoConvertorPP,
@@ -222,6 +228,8 @@ def validate_minmax(min_val, max_val, min_name, max_name=None):
         validate_regex('format sorting', f, InfoExtractor.FormatSort.regex)
 
     # Postprocessor formats
+    validate_regex('merge output format', opts.merge_output_format,
+                   r'({0})(/({0}))*'.format('|'.join(map(re.escape, FFmpegMergerPP.SUPPORTED_EXTS))))
     validate_regex('audio format', opts.audioformat, FFmpegExtractAudioPP.FORMAT_RE)
     validate_in('subtitle format', opts.convertsubtitles, FFmpegSubtitlesConvertorPP.SUPPORTED_EXTS)
     validate_regex('thumbnail format', opts.convertthumbnails, FFmpegThumbnailsConvertorPP.FORMAT_RE)
@@ -899,6 +907,11 @@ def _real_main(argv=None):
     if print_extractor_information(opts, all_urls):
         return
 
+    # We may need ffmpeg_location without having access to the YoutubeDL instance
+    # See https://github.com/yt-dlp/yt-dlp/issues/2191
+    if opts.ffmpeg_location:
+        FFmpegPostProcessor._ffmpeg_location.set(opts.ffmpeg_location)
+
     with YoutubeDL(ydl_opts) as ydl:
         pre_process = opts.update_self or opts.rm_cachedir
         actual_use = all_urls or opts.load_info_filename