From 53de34da5124c10bd6b9ecc39f805164a785ca23 Mon Sep 17 00:00:00 2001
From: rlaphoenix <rlaphoenix@pm.me>
Date: Fri, 29 Dec 2023 16:20:04 +0000
Subject: [PATCH] Add `remove_multi_lang_srt_header()` method to Subtitle class
---
devine/core/tracks/subtitle.py | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/devine/core/tracks/subtitle.py b/devine/core/tracks/subtitle.py
index d7e4fbb..8cbc73e 100644
--- a/devine/core/tracks/subtitle.py
+++ b/devine/core/tracks/subtitle.py
@@ -418,6 +418,27 @@ class Subtitle(Track):
stdout=subprocess.DEVNULL
)
+ def remove_multi_lang_srt_header(self) -> None:
+ """
+ Remove Multi-Language SRT Header from Subtitle.
+
+ Sometimes a SubRip (SRT) format Subtitle has a "MULTI-LANGUAGE SRT" line,
+ when it shouldn't. This can cause Subtitle format/syntax errors in some
+ programs including mkvmerge/MKVToolNix.
+
+ This should only be used if it truly is a normal SubRip (SRT) subtitle
+ just with this line added by mistake.
+ """
+ if not self.path or not self.path.exists():
+ raise ValueError("You must download the subtitle track first.")
+
+ if self.codec != Subtitle.Codec.SubRip:
+ raise ValueError("Only SubRip (SRT) format Subtitles have the 'MULTI-LANGUAGE SRT' header.")
+
+ srt_text = self.path.read_text("utf8")
+ fixed_srt_text = srt_text.replace("MULTI-LANGUAGE SRT\n", "")
+ self.path.write_text(fixed_srt_text, "utf8")
+
def __str__(self) -> str:
return " | ".join(filter(bool, [
"SUB",