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New environment variable value to avoid animation in download progress

See original GitHub issue

Good afternoon, lightpohl, and many thanks for this downloader program. After trying some others, I find yours much more simple and practical.

I’m in the process of creating a python 3 script (that later I will “dockerize”) to automate the downloading of my subscriptions and I have a problem when reading the output of your program using subprocess. Somehow, when I call your script using subprocess module in Python by doing:

o_process = subprocess.Popen(plu_cmd,
                             bufsize=0,
                             universal_newlines=True,
                             stdout=subprocess.PIPE,
                             stderr=subprocess.PIPE)

# METHOD 1
#---------
#o_process.wait()
#u_stdout = o_process.stdout.read()
#u_stderr = o_process.stderr.read()

# METHOD 2
#---------
u_stdout, u_stderr = o_process.communicate()

# --- TEST CODE ---
print('CMD:    %s' % repr(plu_cmd))
print('STDOUT: %s' % repr(u_stdout))
# ------ end ------`

where plu_cmd is the shell call to your script, I don’t get the full stdout output and I precissely miss the animated lines of each episode, where the percentage downloaded is continuously updating.

CMD:    ('/mnt/jupiter/pw_david/projects/coding/docker/podcast_dl/scripts/bin/podcast-dl-linux-x64', '--url', 'https://www.ivoox.com/feed_fg_f133371_filtro_1.xml', '--out-dir', '/mnt/jupiter/pw_david/projects/coding/docker/podcast_dl/test_data/podcasts_private/podcast la hermandad', '--limit', '2', '--episode-template', '{{release_date}}_{{title}}')
STDOUT: 'Starting download of 2 episodes\n\n1 of 2\nTitle: La Hermandad Podcast 10x12: el programa de... algo, pero verano.\nPublish Date: Mon, 02 Aug 2021 12:23:34 +0200\n\n2 of 2\nTitle: La Hermandad Podcast 10x11: veraneando en la guerra del mañana\nPublish Date: Tue, 06 Jul 2021 13:53:26 +0200\n\n'

For that reason I would like to have an extra value for LOG_LEVEL environment variable that just printed a final static line.

Regards and many thanks in advance for taking it into consideration.