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https://cdm-project.com/Download-Tools/udemy-downloader.git
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Biplob Sutradhar
GitHub
parent
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commit
86fa241ded
41
main.py
41
main.py
@ -13,12 +13,11 @@ from vtt_to_srt import convert
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course_id = None
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header_bearer = None
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download_dir = "%s\out_dir" % os.getcwd()
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working_dir = "%s\working_dir" % os.getcwd(
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) # set the folder to download segments for DRM videos
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download_dir = os.path.join(os.getcwd(), "out_dir")
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working_dir = os.path.join(os.getcwd(), "working_dir") # set the folder to download segments for DRM videos
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retry = 3
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home_dir = os.getcwd()
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keyfile_path = "%s\keyfile.json" % os.getcwd()
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keyfile_path = os.path.join(os.getcwd(), "keyfile.json")
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dl_assets = False
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dl_captions = False
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skip_lectures = False
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@ -80,7 +79,7 @@ def download_media(filename, url, lecture_working_dir, epoch=0):
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unit='B',
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unit_scale=True,
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desc=filename)
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with open(f"{lecture_working_dir}\\{filename}",
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with open(os.path.join(lecture_working_dir, filename),
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'wb') as video_file:
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for chunk in media.iter_content(chunk_size=1024):
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if chunk:
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@ -135,7 +134,7 @@ def mux_process(video_title, lecture_working_dir, outfile):
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if os.name == "nt":
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command = f"ffmpeg -y -i \"{lecture_working_dir}\\decrypted_audio.mp4\" -i \"{lecture_working_dir}\\decrypted_video.mp4\" -acodec copy -vcodec copy -fflags +bitexact -map_metadata -1 -metadata title=\"{video_title}\" -metadata creation_time=2020-00-00T70:05:30.000000Z \"{outfile}\""
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else:
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command = f"nice -n 7 ffmpeg -y -i \"{lecture_working_dir}\\decrypted_audio.mp4\" -i \"{lecture_working_dir}\\decrypted_video.mp4\" -acodec copy -vcodec copy -fflags +bitexact -map_metadata -1 -metadata title=\"{video_title}\" -metadata creation_time=2020-00-00T70:05:30.000000Z \"{outfile}\""
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command = f"nice -n 7 ffmpeg -y -i \"{lecture_working_dir}//decrypted_audio.mp4\" -i \"{lecture_working_dir}//decrypted_video.mp4\" -acodec copy -vcodec copy -fflags +bitexact -map_metadata -1 -metadata title=\"{video_title}\" -metadata creation_time=2020-00-00T70:05:30.000000Z \"{outfile}\""
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os.system(command)
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@ -155,7 +154,7 @@ def decrypt(kid, filename, lecture_working_dir):
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)
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else:
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os.system(
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f"nice -n 7 mp4decrypt --key 1:{key} \"{lecture_working_dir}\\encrypted_{filename}.mp4\" \"{lecture_working_dir}\\decrypted_{filename}.mp4\""
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f"nice -n 7 mp4decrypt --key 1:{key} \"{lecture_working_dir}//encrypted_{filename}.mp4\" \"{lecture_working_dir}//decrypted_{filename}.mp4\""
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)
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@ -168,10 +167,10 @@ def handle_irregular_segments(media_info, video_title, lecture_working_dir,
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output_path):
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no_segment, video_url, video_init, video_extension, no_segment, audio_url, audio_init, audio_extension = media_info
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download_media("video_0.seg.mp4", video_init, lecture_working_dir)
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video_kid = extract_kid(f"{lecture_working_dir}\\video_0.seg.mp4")
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video_kid = extract_kid(os.path.join(lecture_working_dir, "video_0.seg.mp4"))
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print("KID for video file is: " + video_kid)
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download_media("audio_0.seg.mp4", audio_init, lecture_working_dir)
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audio_kid = extract_kid(f"{lecture_working_dir}\\audio_0.seg.mp4")
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audio_kid = extract_kid(os.path.join(lecture_working_dir, "audio_0.seg.mp4"))
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print("KID for audio file is: " + audio_kid)
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for count in range(1, no_segment):
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video_segment_url = video_url.replace("$Number$", str(count))
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@ -324,7 +323,7 @@ def process_caption(caption,
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caption.get("locale_id"), caption.get("ext"))
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filename_no_ext = f"%s. %s_%s" % (lecture_index, sanitize(lecture_title),
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caption.get("locale_id"))
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filepath = f"%s\\%s" % (lecture_dir, filename)
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filepath = os.path.join(lecture_dir, filename)
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if os.path.isfile(filepath):
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print("> Captions '%s' already downloaded." % filename)
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@ -384,8 +383,8 @@ def process_lecture(lecture, lecture_index, lecture_path, lecture_dir):
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# encrypted
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print(f"> Lecture '%s' has DRM, attempting to download" %
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lecture_title)
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lecture_working_dir = "%s\%s" % (
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working_dir, lecture_asset["id"]
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lecture_working_dir = os.path.join(
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working_dir, str(lecture_asset["id"])
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) # set the folder to download ephemeral files
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media_sources = lecture_asset["media_sources"]
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if not os.path.exists(lecture_working_dir):
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@ -420,7 +419,7 @@ def process_lecture(lecture, lecture_index, lecture_path, lecture_dir):
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if download_url:
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try:
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download(download_url,
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f"%s\\%s" % (lecture_dir, asset_filename),
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os.path.join(lecture_dir, asset_filename),
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asset_filename)
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except Exception as e:
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print(
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@ -429,14 +428,13 @@ def process_lecture(lecture, lecture_index, lecture_path, lecture_dir):
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continue
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elif asset["asset_type"] == "Article":
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assets.append(asset)
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asset_path = f"%s\\%s.html" % (lecture_dir,
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asset_path = os.path.join(lecture_dir,
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sanitize(lecture_title))
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with open(asset_path, 'w') as f:
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f.write(asset["body"])
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elif asset["asset_type"] == "ExternalLink":
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assets.append(asset)
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asset_path = f"%s\\%s. External URLs.txt" % (lecture_dir,
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lecture_index)
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asset_path = os.path.join(lecture_dir, f"{lecture_index} . External URLs.txt")
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with open(asset_path, 'a') as f:
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f.write(f"%s : %s\n" %
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(asset["title"], asset["external_url"]))
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@ -471,7 +469,7 @@ def process_lecture(lecture, lecture_index, lecture_path, lecture_dir):
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def parse(data):
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course_dir = f"%s\\%s" % (download_dir, course_id)
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course_dir = os.path.join(download_dir, course_id)
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if not os.path.exists(course_dir):
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os.mkdir(course_dir)
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chapters = []
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@ -489,20 +487,17 @@ def parse(data):
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# This is caused by there not being a starting chapter
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lectures.append(obj)
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lecture_index = lectures.index(obj) + 1
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lecture_path = f"%s\\%s. %s.mp4" % (course_dir, lecture_index,
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sanitize(obj["title"]))
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lecture_path = os.path.join(course_dir, f'{lecture_index}. {sanitize(obj["title"])}.mp4')
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process_lecture(obj, lecture_index, lecture_path, download_dir)
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for chapter in chapters:
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chapter_dir = f"%s\\%s. %s" % (course_dir, chapters.index(chapter) + 1,
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sanitize(chapter["title"]))
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chapter_dir = os.path.join(course_dir, f'{chapters.index(chapter) + 1}. {sanitize(chapter["title"])}')
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if not os.path.exists(chapter_dir):
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os.mkdir(chapter_dir)
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for lecture in chapter["lectures"]:
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lecture_index = chapter["lectures"].index(lecture) + 1
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lecture_path = f"%s\\%s. %s.mp4" % (chapter_dir, lecture_index,
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sanitize(lecture["title"]))
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lecture_path = os.path.join(chapter_dir, f'{lecture_index}. {sanitize(lecture["title"])}.mp4')
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process_lecture(lecture, lecture_index, lecture_path, chapter_dir)
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print("\n\n\n\n\n\n\n\n=====================")
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print("All downloads completed for course!")
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