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Remove tag when an empty string is passed

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This commit is contained in:
Théophile Bastian 2022-07-05 11:34:54 +02:00
parent 74c133bcb9
commit 4c0766b2c1
1 changed files with 10 additions and 9 deletions
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19
flacinfo.py
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@ -38,11 +38,11 @@ class NoSuchTag(Exception):
class MetaflacError(Exception): class MetaflacError(Exception):
""" Raised when an invocation of metaflac failed. """ """Raised when an invocation of metaflac failed."""
def argparser(): def argparser():
""" Parses the arguments from sys.argv """ """Parses the arguments from sys.argv"""
parser = argparse.ArgumentParser( parser = argparse.ArgumentParser(
description="Edit flac files' metadata", description="Edit flac files' metadata",
epilog=( epilog=(
@ -66,7 +66,7 @@ def argparser():
def is_flac_file(path): def is_flac_file(path):
""" Checks whether `path` refers to an existing, writeable flac file """ """Checks whether `path` refers to an existing, writeable flac file"""
if not os.path.isfile(path) or not os.access(path, os.W_OK): if not os.path.isfile(path) or not os.access(path, os.W_OK):
return False return False
try: try:
@ -92,13 +92,14 @@ def make_metaflac_args(in_args):
arg_name = VORBIS_ARG_NAME[arg] arg_name = VORBIS_ARG_NAME[arg]
out_args.append("--remove-tag={}".format(arg_name)) out_args.append("--remove-tag={}".format(arg_name))
out_args.append("--set-tag={}={}".format(arg_name, arg_val)) if arg_val:
out_args.append("--set-tag={}={}".format(arg_name, arg_val))
return out_args return out_args
def edit_flac(args): def edit_flac(args):
""" Perfoms the requested edition operations """ """Perfoms the requested edition operations"""
metaflac_args = make_metaflac_args(args) metaflac_args = make_metaflac_args(args)
metaflac_args += args["file"] metaflac_args += args["file"]
metaflac_args.insert(0, "metaflac") metaflac_args.insert(0, "metaflac")
@ -113,7 +114,7 @@ def edit_flac(args):
def reverse_tag(vorbis_tag): def reverse_tag(vorbis_tag):
""" Reverses a Vorbis tag to an argument name """ """Reverses a Vorbis tag to an argument name"""
for tag in VORBIS_ARG_NAME: for tag in VORBIS_ARG_NAME:
if VORBIS_ARG_NAME[tag] == vorbis_tag: if VORBIS_ARG_NAME[tag] == vorbis_tag:
return tag return tag
@ -121,7 +122,7 @@ def reverse_tag(vorbis_tag):
def get_tags(path): def get_tags(path):
""" Retrieves the relevant tags for a single file """ """Retrieves the relevant tags for a single file"""
metaflac_args = ["metaflac"] metaflac_args = ["metaflac"]
for tag in VORBIS_ARG_NAME: for tag in VORBIS_ARG_NAME:
metaflac_args += ["--show-tag", VORBIS_ARG_NAME[tag]] metaflac_args += ["--show-tag", VORBIS_ARG_NAME[tag]]
@ -150,7 +151,7 @@ def get_tags(path):
def show_tags(path): def show_tags(path):
""" Shows the relevant tags already present in the given flac file """ """Shows the relevant tags already present in the given flac file"""
tags = get_tags(path) tags = get_tags(path)
print("File: {}".format(path)) print("File: {}".format(path))
@ -161,7 +162,7 @@ def show_tags(path):
def main(): def main():
""" Entrypoint function """ """Entrypoint function"""
args = vars(argparser()) args = vars(argparser())
has_errors = False has_errors = False