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[documentation] Improve --parse-metadata documentation

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pukkandan
2021-04-03 14:03:25 +05:30
parent 84601bb72b
commit 73cd218f5a
2 changed files with 37 additions and 37 deletions
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20
yt_dlp/options.py
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@@ -862,7 +862,7 @@ def parseOpts(overrideArguments=None):
callback_kwargs={
'allowed_keys': '|'.join(OUTTMPL_TYPES.keys()),
'default_key': 'default', 'process': lambda x: x.strip()},
help='Output filename template, see "OUTPUT TEMPLATE" for details')
help='Output filename template; see "OUTPUT TEMPLATE" for details')
filesystem.add_option(
'--output-na-placeholder',
dest='outtmpl_na_placeholder', metavar='TEXT', default='NA',
@@ -1144,22 +1144,10 @@ def parseOpts(overrideArguments=None):
help=optparse.SUPPRESS_HELP)
postproc.add_option(
'--parse-metadata',
metavar='FIELD:FORMAT', dest='metafromfield', action='append',
metavar='FROM:TO', dest='metafromfield', action='append',
help=(
'Parse additional metadata like title/artist from other fields. '
'Give a template or field name to extract data from and the '
'format to interpret it as, separated by a ":". '
'Either regular expression with named capture groups or a '
'similar syntax to the output template can be used for the FORMAT. '
'Similarly, the syntax for output template can be used for FIELD '
'to parse the data from multiple fields. '
'The parsed parameters replace any existing values and can be used in output templates. '
'This option can be used multiple times. '
'Example: --parse-metadata "title:%(artist)s - %(title)s" matches a title like '
'"Coldplay - Paradise". '
'Example: --parse-metadata "%(series)s %(episode_number)s:%(title)s" '
'sets the title using series and episode number. '
'Example (regex): --parse-metadata "description:Artist - (?P<artist>.+?)"'))
'Parse additional metadata like title/artist from other fields; '
'see "MODIFYING METADATA" for details'))
postproc.add_option(
'--xattrs',
action='store_true', dest='xattrs', default=False,