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[options] swap --print and --Print semantics

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--print now outputs values without downloading files
--Print now outputs values AND downloads files

add --Print-to-file with the same difference to --print-to-file
This commit is contained in:
Mike Fährmann
2025-06-22 18:16:49 +02:00
parent 2bcc2f2a17
commit 2cbc5cc454
2 changed files with 26 additions and 11 deletions
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14
docs/options.md
View File

@@ -49,12 +49,16 @@
values for the given URLs
-e, --error-file FILE Add input URLs which returned an error to FILE
-N, --print [EVENT:]FORMAT Write FORMAT during EVENT (default 'prepare')
to standard output. Examples: 'id' or
'post:{md5[:8]}'
--Print [EVENT:]FORMAT Like --print, but also sets --no-download,
--no-skip, and disables other output to stdout
to standard output instead of downloading
files. Can be used multiple times. Examples:
'id' or 'post:{md5[:8]}'
--Print [EVENT:]FORMAT Like --print, but downloads files as well
--print-to-file [EVENT:]FORMAT FILE
Append FORMAT during EVENT to FILE
Append FORMAT during EVENT to FILE instead of
downloading files. Can be used multiple times
--Print-to-file [EVENT:]FORMAT FILE
Like --print-to-file, but downloads files as
well
--list-modules Print a list of available extractor modules
--list-extractors [CATEGORIES]
Print a list of extractor classes with

23
gallery_dl/option.py
View File

@@ -156,7 +156,7 @@ class UgoiraAction(argparse.Action):
class PrintAction(argparse.Action):
def __call__(self, parser, namespace, value, option_string=None):
if self.const:
if self.const == "+":
if self.const == "-":
namespace.options.append(((), "skip", False))
namespace.options.append(((), "download", False))
namespace.options.append((("output",), "mode", False))
@@ -164,6 +164,9 @@ class PrintAction(argparse.Action):
base = None
mode = "w"
else:
if self.const is None:
namespace.options.append(((), "skip", False))
namespace.options.append(((), "download", False))
value, path = value
base, filename = os.path.split(path)
mode = "a"
@@ -405,20 +408,28 @@ def build_parser():
dest="postprocessors", metavar="[EVENT:]FORMAT",
action=PrintAction, const="-", default=[],
help=("Write FORMAT during EVENT (default 'prepare') to standard "
"output. Examples: 'id' or 'post:{md5[:8]}'"),
"output instead of downloading files. "
"Can be used multiple times. "
"Examples: 'id' or 'post:{md5[:8]}'"),
)
output.add_argument(
"--Print",
dest="postprocessors", metavar="[EVENT:]FORMAT",
action=PrintAction, const="+",
help=("Like --print, but also sets --no-download, --no-skip, "
"and disables other output to stdout"),
help="Like --print, but downloads files as well",
)
output.add_argument(
"--print-to-file",
dest="postprocessors", metavar="[EVENT:]FORMAT FILE",
action=PrintAction, nargs=2,
help="Append FORMAT during EVENT to FILE",
action=PrintAction, const=None, nargs=2,
help=("Append FORMAT during EVENT to FILE instead of downloading "
"files. Can be used multiple times"),
)
output.add_argument(
"--Print-to-file",
dest="postprocessors", metavar="[EVENT:]FORMAT FILE",
action=PrintAction, const=False, nargs=2,
help="Like --print-to-file, but downloads files as well",
)
output.add_argument(
"--list-modules",