python3 script for downloading subtitles from youtube video

subtitle_downloader/README.md

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+# Subtitle Downloader
+```
+This folder contains a python3 script to download subtitles from youtube videos, provided that they have subtitles.
+```
+
+# Requirements
+1. youtube_transcript_api
+
+```
+pip install youtube_transcript_api
+```
+<p align='center'>or</p>
+
+```
+pip install -r requirements.txt
+```
+
+# How this script works
+* Just execute the subtitle_downloader.py file with the youtube video link as a command line argument 
+
+```
+python subtitle_downloader.py <video link>
+```
+
+* A new file named subtitle.txt is created in the same directory.
+
+* This file contains the subtitles of the video given as argument along with timestamps.

subtitle_downloader/requirements.txt

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+youtube_transcript_api==0.4.1

subtitle_downloader/subtitle_downloader.py

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+# Importing necessary modules
+import sys
+from youtube_transcript_api import YouTubeTranscriptApi
+
+if len(sys.argv) != 2:
+    print("Enter valid number of arguments")
+    print("Try python subtitle_downloader.py <video link>")
+    sys.exit()
+
+# The list of dictionaries obtained by the the get_transcript() function
+# is stored in sub variable
+url = sys.argv[1].split("?v=")[1]
+sub = YouTubeTranscriptApi.get_transcript(url)
+
+# Writing subtitles into a file.
+with open("subtitles.txt", "w") as f:
+    for i in sub:
+        f.write("{}\n".format(i))