def poster(prog=None, args=None):
desc = 'generate poster images from videos'
parser = argparse.ArgumentParser(prog=prog, description=desc)
parser.add_argument('-f',
'--format',
dest='fmt',
choices=['png', 'jpg'],
default='jpg',
help='out image format')
parser.add_argument('--dry',
action='store_true',
help='print ffmpeg command but do not execute it')
parser.add_argument('paths',
metavar='PATH',
nargs='+',
help='an audio/video file')
ns = parser.parse_args(args)
for p in ns.paths:
try:
make_poster(p, ns)
except Exception as e:
printerr('path:', p)
printerr(e)
def show(paths):
for path in paths:
try:
vi = VideoIdentifier.from_name(path)
print(vi, path, sep='\t')
except Exception as e:
# printerr(e)
traceback.print_exc()
printerr('bad file:', path)
def _printerr(*args, **kwargs):
parts = []
for a in args:
if isinstance(a, bytes):
parts.append(a.decode())
elif isinstance(a, (deque, list, tuple)):
parts.extend(a)
kwargs.setdefault('sep', ':')
printerr(*parts, **kwargs)
def run(prog, args):
import argparse
desc = 'generate entrypoint script from setup.py'
pr = argparse.ArgumentParser(prog=prog, description=desc)
aa = pr.add_argument
aa('-d', '--dir', help='output dir')
aa('path', help='path to a setup.py or its containing dir')
ns = pr.parse_args(args)
try:
spec = inspect_setuppy(ns.path)
make_entrypoint_script(spec, ns.dir)
except Exception as e:
printerr(e)
def add_vident_prefix(paths):
groups = defaultdict(list)
for path in p_filter_by_extension(paths):
try:
vi, path = VideoIdentifier.rename(path)
except ValueError:
traceback.print_exc()
printerr('bad file:', path)
continue
groups[vi.unikey].append((vi, path))
for pairs in groups.values():
if len(pairs) < 2:
continue
pairs.sort(key=keyfunc, reverse=True)
print('\n# ', pairs[0][1])
for _, path in pairs[1:]:
print('rm -f', path)
def run(prog=None, args=None):
desc = 'convert audio/video format'
parser = argparse.ArgumentParser(prog=prog, description=desc)
utils.add_dry_option(parser)
parser.add_argument('-f',
'--format',
dest='fmt',
default='mp4',
help='out audio/video format, e.g. mp4, ogg, ...')
parser.add_argument('paths',
metavar='PATH',
nargs='+',
help='an audio/video file')
ns = parser.parse_args(args)
for p in ns.paths:
try:
convert_a_file(p, ns)
except Exception as e:
printerr('path:', p)
printerr(e)
def run(prog=None, args=None):
desc = 'Crop images with homogeneously colored margins '
pr = argparse.ArgumentParser(prog=prog, description=desc)
pr.add_argument('-s',
'--stdmax',
default=STDMAX,
type=int,
help='maximum standard deviation')
pr.add_argument('-B',
'--no-backup',
action='store_true',
help='do NOT backup original file')
pr.add_argument('files',
nargs='*',
metavar='PATH',
help='paths to files to be cropped')
ns = pr.parse_args(args)
for path in ns.files:
try:
margin_crop(path, ns.stdmax, not ns.no_backup)
except Exception as e:
printerr('Failed:', path, '--', e)
continue
def remove_vident_prefix(paths):
paths = p_filter_by_extension(paths)
for path in p_filter_by_prefix(paths):
dir_, name = os.path.split(path)
regex = VideoIdentifier.get_regex()
new_name = regex.sub('', name)
if new_name.startswith('.'):
new_name = new_name[1:]
new_path = os.path.join(dir_, new_name)
if new_name and not os.path.exists(new_path):
os.rename(path, new_path)
else:
printerr('cannot rename:')
printerr(' from "{}"'.format(path))
printerr(' to "{}"'.format(new_path))