def is_session_exists(self):
is_exists = False
conf = load_configs()
if conf:
cookies = conf.get("cookies")
if cookies:
cookies = extract_cookie_string(cookies)
access_token = cookies.get("access_token")
client_id = cookies.get("client_id")
self._session._set_auth_headers( # pylint: disable=W
access_token=access_token,
client_id=client_id)
self._session._session.cookies.update( # pylint: disable=W
{"access_token": access_token})
try:
url = "https://www.udemy.com/api-2.0/courses/"
resp = self._session._get(url) # pylint: disable=W
resp.raise_for_status()
is_exists = True
except Exception as error: # pylint: disable=W
logger.error(
msg=
f"Udemy Says: {error} session cookie seems to be expired..."
)
is_exists = False
return is_exists, conf
def main():
"""main function"""
sys.stdout.write(banner())
version = "%(prog)s {version}".format(version=udemy.__version__)
description = "A cross-platform python based utility to download courses from udemy for personal offline use."
parser = argparse.ArgumentParser(description=description,
conflict_handler="resolve")
parser.add_argument(
"course",
help="Udemy course or file containing list of course URL(s).",
type=str,
)
general = parser.add_argument_group("General")
general.add_argument("-h", "--help", action="help", help="Shows the help.")
general.add_argument("-v",
"--version",
action="version",
version=version,
help="Shows the version.")
authentication = parser.add_argument_group("Authentication")
authentication.add_argument(
"-u",
"--username",
dest="username",
type=str,
help="Username in udemy.",
metavar="",
)
authentication.add_argument(
"-p",
"--password",
dest="password",
type=str,
help="Password of your account.",
metavar="",
)
authentication.add_argument(
"-k",
"--cookies",
dest="cookies",
type=str,
help="Cookies to authenticate with.",
metavar="",
)
advance = parser.add_argument_group("Advance")
advance.add_argument(
"-o",
"--output",
dest="output",
type=str,
default=os.getcwd(),
help="Download to specific directory.",
metavar="",
)
advance.add_argument(
"-q",
"--quality",
dest="quality",
type=int,
help="Download specific video quality.",
metavar="",
)
advance.add_argument(
"-c",
"--chapter",
dest="chapter",
type=int,
help="Download specific chapter from course.",
metavar="",
)
advance.add_argument(
"-l",
"--lecture",
dest="lecture",
type=int,
help="Download specific lecture from chapter(s).",
metavar="",
)
advance.add_argument(
"-s",
"--sub-lang",
dest="language",
type=str,
help="Download specific subtitle/caption (e.g:- en).",
metavar="",
default="en",
)
advance.add_argument(
"--chapter-start",
dest="chapter_start",
type=int,
help="Download from specific position within course.",
metavar="",
)
advance.add_argument(
"--chapter-end",
dest="chapter_end",
type=int,
help="Download till specific position within course.",
metavar="",
)
advance.add_argument(
"--lecture-start",
dest="lecture_start",
type=int,
help="Download from specific position within chapter(s).",
metavar="",
)
advance.add_argument(
"--lecture-end",
dest="lecture_end",
type=int,
help="Download till specific position within chapter(s).",
metavar="",
)
other = parser.add_argument_group("Others")
other.add_argument(
"--info",
dest="info",
action="store_true",
help="List all lectures with available resolution.",
)
other.add_argument(
"--cache",
dest="cache_session",
action="store_true",
help="Cache your session to avoid providing again.",
)
other.add_argument(
"--keep-vtt",
dest="keep_vtt",
action="store_true",
help="Keep WebVTT caption(s).",
)
other.add_argument(
"--sub-only",
dest="caption_only",
action="store_true",
help="Download captions/subtitle only.",
)
other.add_argument(
"--skip-sub",
dest="skip_captions",
action="store_true",
help="Download course but skip captions/subtitle.",
)
other.add_argument(
"--skip-hls",
dest="skip_hls_stream",
action="store_true",
help="Download course but skip hls streams. (fast fetching).",
)
other.add_argument(
"--assets-only",
dest="assets_only",
action="store_true",
help="Download asset(s) only.",
)
other.add_argument(
"--skip-assets",
dest="skip_assets",
action="store_true",
help="Download course but skip asset(s).",
)
args = parser.parse_args()
if args.cookies:
f_in = open(args.cookies)
with open(args.cookies) as f_in:
cookies = "\n".join(
[line for line in (l.strip() for l in f_in) if line])
args.cookies = cookies
if not args.username and not args.password and not args.cookies:
# check if we already have a session..
configs = load_configs()
if not configs:
# if not ask user for user/pass or access token (cookie)
args.username = getpass.getuser(prompt="Username : "******"Password : "******"\n")
if not args.username and not args.password:
print("")
args.cookies = getpass.get_access_token(
prompt="Access Token : ")
if args.cookies:
print("\n")
if configs:
cookies = configs.get("cookies")
if not cookies:
args.username = configs.get("username")
args.password = configs.get("password")
if cookies:
args.cookies = cookies
args.quality = args.quality if args.quality else configs.get(
"quality")
args.output = args.output if args.output else configs.get("output")
args.language = args.language if args.language else configs.get(
"language")
url_or_courses = extract_url_or_courses(args.course)
if not args.username and not args.password and not args.cookies:
print("\n")
logger.error(
msg=
f"You should either provide fresh access token or username/password for udemy.."
)
sys.exit(0)
udemy_obj = Udemy(
url_or_courses=url_or_courses,
username=args.username,
password=args.password,
cookies=args.cookies,
cache_session=args.cache_session,
)
# setting the caching default so that we can avoid future login attemps.
if args.cache_session:
_ = to_configs(
username=args.username,
password=args.password,
cookies=args.cookies,
quality=args.quality,
output=args.output,
language=args.language,
)
dl_assets = dl_lecture = dl_subtitles = True
if args.assets_only:
dl_lecture = False
dl_subtitles = False
args.skip_hls_stream = True
if args.skip_assets:
dl_assets = False
if args.caption_only:
dl_lecture = False
dl_assets = False
args.skip_hls_stream = True
if args.skip_captions:
dl_subtitles = False
if not args.info:
if args.quality and args.quality > 720 and args.skip_hls_stream:
args.quality = ""
logger.warning(
msg=
"You cannot use --skip-hls and -q/--quality options togather, considering --skip-hls only.."
)
udemy_obj.course_download(
path=args.output,
quality=args.quality,
language=args.language,
dl_assets=dl_assets,
dl_lecture=dl_lecture,
dl_subtitles=dl_subtitles,
chapter_number=args.chapter,
chapter_start=args.chapter_start,
chapter_end=args.chapter_end,
lecture_number=args.lecture,
lecture_start=args.lecture_start,
lecture_end=args.lecture_end,
keep_vtt=args.keep_vtt,
skip_hls_stream=args.skip_hls_stream,
)
if args.info:
udemy_obj.course_listdown(
chapter_number=args.chapter,
chapter_start=args.chapter_start,
chapter_end=args.chapter_end,
lecture_number=args.lecture,
lecture_start=args.lecture_start,
lecture_end=args.lecture_end,
skip_hls_stream=args.skip_hls_stream,
)