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https://cdm-project.com/Download-Tools/udemy-downloader.git
synced 2025-04-30 02:04:27 +02:00
Merge branch 'feat-mkv'
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Puyodead1
commit
e835ab6eb1
33
README.md
33
README.md
@ -28,7 +28,7 @@ Windows is the primary development OS, but I've made an effort to support Linux
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# Requirements
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1. You would need to download `ffmpeg`, `aria2c`, `mp4decrypt` (from Bento4 SDK) and ``yt-dlp`` (``pip install yt-dlp``). Ensure they are in the system path (typing their name in cmd should invoke them).
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1. You would need to download `ffmpeg`, `aria2c`, `mp4decrypt` (from Bento4 SDK) and `yt-dlp` (`pip install yt-dlp`). Ensure they are in the system path (typing their name in cmd should invoke them).
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# Usage
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@ -67,8 +67,9 @@ You can now run the program, see the examples below. The course will download to
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# Advanced Usage
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```
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usage: main.py [-h] -c COURSE_URL [-b BEARER_TOKEN] [-q QUALITY] [-l LANG] [-cd CONCURRENT_DOWNLOADS] [--skip-lectures] [--download-assets]
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[--download-captions] [--keep-vtt] [--skip-hls] [--info]
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usage: main.py [-h] -c COURSE_URL [-b BEARER_TOKEN] [-q QUALITY] [-l LANG] [-cc CONCURRENT_CONNECTIONS]
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[--skip-lectures] [--download-assets] [--download-captions] [--keep-vtt] [--skip-hls] [--use_mkv]
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[--info]
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Udemy Downloader
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@ -79,20 +80,30 @@ optional arguments:
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-b BEARER_TOKEN, --bearer BEARER_TOKEN
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The Bearer token to use
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-q QUALITY, --quality QUALITY
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Download specific video quality. If the requested quality isn't available, the closest quality will be used. If not
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specified, the best quality will be downloaded for each lecture
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-l LANG, --lang LANG The language to download for captions, specify 'all' to download all captions (Default is 'en')
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-cd CONCURRENT_DOWNLOADS, --concurrent-downloads CONCURRENT_DOWNLOADS
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The number of maximum concurrent downloads for segments (HLS and DASH, must be a number 1-50)
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Download specific video quality. If the requested quality isn't available, the closest quality
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will be used. If not specified, the best quality will be downloaded for each lecture
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-l LANG, --lang LANG The language to download for captions, specify 'all' to download all captions (Default is
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'en')
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-cc CONCURRENT_CONNECTIONS, --concurrent-connections CONCURRENT_CONNECTIONS
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The number of maximum concurrent connections for segments (HLS and DASH, must be a number
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1-30)
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--skip-lectures If specified, lectures won't be downloaded
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--download-assets If specified, lecture assets will be downloaded
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--download-captions If specified, captions will be downloaded
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--keep-vtt If specified, .vtt files won't be removed
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--skip-hls If specified, hls streams will be skipped (faster fetching) (hls streams usually contain 1080p quality for non-drm
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lectures)
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--skip-hls If specified, HLS streams will be skipped (faster fetching, HLS streams usually contain 1080p
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quality for non-DRM lectures)
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--use_mkv If specified, MKV container will be used instead of MP4, subtitles will be muxed (if subtitles
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are requested)
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--info If specified, only course information will be printed, nothing will be downloaded
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```
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<br>
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### NOTE: Loading bearer token from a .env file or system environment is deprecated and may break in the future, pass the token as a command argument instead!
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## Command Examples:
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- Passing a Bearer Token and Course ID as an argument
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- `python main.py -c <Course URL> -b <Bearer Token>`
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- `python main.py -c https://www.udemy.com/courses/myawesomecourse -b <Bearer Token>`
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@ -121,7 +132,7 @@ optional arguments:
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- Print course information only:
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- `python main.py -c <Course URL> --info`
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- Specify max number of concurrent downloads:
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- `python main.py -c <Course URL> --concurrent-downloads 20`
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- `python main.py -c <Course URL> --concurrent-connections 20`
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- `python main.py -c <Course URL> -cd 20`
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# Credits
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97
main.py
97
main.py
@ -23,8 +23,23 @@ from _version import __version__
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home_dir = os.getcwd()
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download_dir = os.path.join(os.getcwd(), "out_dir")
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keyfile_path = os.path.join(os.getcwd(), "keyfile.json")
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keys = None
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retry = 3
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downloader = None
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dl_assets = False
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skip_lectures = False
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dl_captions = False
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caption_locale = "en"
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quality = None
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bearer_token = None
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portal_name = None
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course_name = None
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keep_vtt = False
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skip_hls = False
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use_mkv = False
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concurrent_connections = 10
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access_token = None
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HEADERS = {
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"Origin": "www.udemy.com",
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"User-Agent":
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@ -779,11 +794,6 @@ class UdemyAuth(object):
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if not os.path.exists(download_dir):
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os.makedirs(download_dir)
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# Get the keys
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with open(keyfile_path, 'r') as keyfile:
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keyfile = keyfile.read()
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keyfile = json.loads(keyfile)
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def durationtoseconds(period):
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"""
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@ -843,7 +853,7 @@ def decrypt(kid, in_filepath, out_filepath):
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"""
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print("> Decrypting, this might take a minute...")
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try:
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key = keyfile[kid.lower()]
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key = keys[kid.lower()]
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if (os.name == "nt"):
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os.system(f"mp4decrypt --key 1:%s \"%s\" \"%s\"" %
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(key, in_filepath, out_filepath))
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@ -984,7 +994,7 @@ def download_aria(url, file_dir, filename):
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print("Return code: " + str(ret_code))
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def process_caption(caption, lecture_title, lecture_dir, keep_vtt, tries=0):
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def process_caption(caption, lecture_title, lecture_dir, tries=0):
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filename = f"%s_%s.%s" % (sanitize(lecture_title), caption.get("language"),
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caption.get("extension"))
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filename_no_ext = f"%s_%s" % (sanitize(lecture_title),
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@ -1020,8 +1030,7 @@ def process_caption(caption, lecture_title, lecture_dir, keep_vtt, tries=0):
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print(f" > Error converting caption: {e}")
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def process_lecture(lecture, lecture_path, lecture_file_name, quality, access_token,
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concurrent_connections, chapter_dir):
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def process_lecture(lecture, lecture_path, lecture_file_name, chapter_dir):
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lecture_title = lecture.get("lecture_title")
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is_encrypted = lecture.get("is_encrypted")
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lecture_sources = lecture.get("video_sources")
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@ -1037,8 +1046,7 @@ def process_lecture(lecture, lecture_path, lecture_file_name, quality, access_to
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lecture_title)
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handle_segments(source.get("download_url"),
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source.get(
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"format_id"), lecture_title, lecture_path, lecture_file_name,
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concurrent_connections, chapter_dir)
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"format_id"), lecture_title, lecture_path, lecture_file_name, chapter_dir)
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else:
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print(f" > Lecture '%s' is missing media links" %
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lecture_title)
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@ -1087,8 +1095,7 @@ def process_lecture(lecture, lecture_path, lecture_file_name, quality, access_to
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print(" > Missing sources for lecture", lecture)
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def parse_new(_udemy, quality, skip_lectures, dl_assets, dl_captions,
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caption_locale, keep_vtt, access_token, concurrent_connections):
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def parse_new(_udemy):
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total_chapters = _udemy.get("total_chapters")
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total_lectures = _udemy.get("total_lectures")
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print(f"Chapter(s) ({total_chapters})")
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@ -1147,9 +1154,8 @@ def parse_new(_udemy, quality, skip_lectures, dl_assets, dl_captions,
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print(" > Failed to write html file: ", e)
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continue
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else:
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process_lecture(lecture, lecture_path, lecture_file_name,
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quality, access_token,
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concurrent_connections, chapter_dir)
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process_lecture(lecture, lecture_path,
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lecture_file_name, chapter_dir)
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if dl_assets:
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assets = lecture.get("assets")
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@ -1218,8 +1224,7 @@ def parse_new(_udemy, quality, skip_lectures, dl_assets, dl_captions,
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for subtitle in subtitles:
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lang = subtitle.get("language")
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if lang == caption_locale or caption_locale == "all":
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process_caption(subtitle, lecture_title, chapter_dir,
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keep_vtt)
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process_caption(subtitle, lecture_title, chapter_dir)
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def _print_course_info(course_data):
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@ -1331,11 +1336,11 @@ if __name__ == "__main__":
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help="The language to download for captions, specify 'all' to download all captions (Default is 'en')",
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)
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parser.add_argument(
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"-cd",
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"--concurrent-downloads",
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dest="concurrent_downloads",
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"-cc",
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"--concurrent-connections",
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dest="concurrent_connections",
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type=int,
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help="The number of maximum concurrent downloads for segments (HLS and DASH, must be a number 1-30)",
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help="The number of maximum concurrent connections for segments (HLS and DASH, must be a number 1-30)",
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)
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parser.add_argument(
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"--skip-lectures",
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@ -1365,7 +1370,13 @@ if __name__ == "__main__":
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"--skip-hls",
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dest="skip_hls",
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action="store_true",
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help="If specified, hls streams will be skipped (faster fetching) (hls streams usually contain 1080p quality for non-drm lectures)",
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help="If specified, HLS streams will be skipped (faster fetching, HLS streams usually contain 1080p quality for non-DRM lectures)",
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)
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parser.add_argument(
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"--use_mkv",
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dest="use_mkv",
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action="store_true",
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help="If specified, MKV container will be used instead of MP4, subtitles will be muxed (if subtitles are requested)",
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)
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parser.add_argument(
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"--info",
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@ -1389,18 +1400,6 @@ if __name__ == "__main__":
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parser.add_argument("-v", "--version", action="version",
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version='You are running version {version}'.format(version=get_version_string()))
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dl_assets = False
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skip_lectures = False
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dl_captions = False
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caption_locale = "en"
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quality = None
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bearer_token = None
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portal_name = None
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course_name = None
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keep_vtt = False
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skip_hls = False
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concurrent_downloads = 10
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args = parser.parse_args()
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if args.download_assets:
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dl_assets = True
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@ -1416,15 +1415,17 @@ if __name__ == "__main__":
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keep_vtt = args.keep_vtt
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if args.skip_hls:
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skip_hls = args.skip_hls
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if args.concurrent_downloads:
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concurrent_downloads = args.concurrent_downloads
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if args.use_mkv:
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use_mkv = args.use_mkv
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if args.concurrent_connections:
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concurrent_connections = args.concurrent_connections
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if concurrent_downloads <= 0:
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if concurrent_connections <= 0:
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# if the user gave a number that is less than or equal to 0, set cc to default of 10
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concurrent_downloads = 10
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elif concurrent_downloads > 30:
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concurrent_connections = 10
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elif concurrent_connections > 30:
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# if the user gave a number thats greater than 30, set cc to the max of 30
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concurrent_downloads = 30
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concurrent_connections = 30
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aria_ret_val = check_for_aria()
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if not aria_ret_val:
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@ -1452,11 +1453,15 @@ if __name__ == "__main__":
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"> 'save_to_file' was specified, data will be saved to json files")
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if not os.path.isfile(keyfile_path):
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print("> Keyfile not found! Did you rename the file correctly?")
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print("❗ Keyfile not found! Did you rename the file correctly? ❗")
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sys.exit(1)
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# Read keys
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with open(keyfile_path, 'r') as keyfile:
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keyfile = keyfile.read()
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keyfile = json.loads(keyfile)
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load_dotenv()
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access_token = None
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if args.bearer_token:
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access_token = args.bearer_token
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else:
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@ -1500,9 +1505,7 @@ if __name__ == "__main__":
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if args.info:
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_print_course_info(_udemy)
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else:
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parse_new(_udemy, quality, skip_lectures, dl_assets, dl_captions,
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caption_locale, keep_vtt, access_token,
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concurrent_downloads)
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parse_new(_udemy)
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else:
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_udemy = {}
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_udemy["access_token"] = access_token
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@ -1737,4 +1740,4 @@ if __name__ == "__main__":
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else:
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parse_new(_udemy, quality, skip_lectures, dl_assets, dl_captions,
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caption_locale, keep_vtt, access_token,
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concurrent_downloads)
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concurrent_connections)
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