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import json
import operator
import optparse
import time
import sys
import lvc
from lvc.variables import (
__version__
)
from lvc.widgets import app
from lvc.widgets import initialize
parser = optparse.OptionParser(
usage='%prog [-l] [--list-converters] [-c <converter> <filenames..>]',
version='%prog ' + __version__,
prog='python -m lvc.ui.console')
parser.add_option('-j', '--json', action='store_true',
dest='json',
help='Output JSON documents, rather than text.')
parser.add_option('-l', '--list-converters', action='store_true',
dest='list_converters',
help="Print a list of supported converter types.")
parser.add_option('-c', '--converter', dest='converter',
help="Specify the type of conversion to make.")
class Application(lvc.Application):
def run(self):
(options, args) = parser.parse_args()
if options.list_converters:
for c in sorted(self.converter_manager.list_converters(),
key=operator.attrgetter('name')):
if options.json:
print(json.dumps({'name': c.name,
'identifier': c.identifier}))
else:
print('%s (-c %s)' % (
c.name,
c.identifier))
return
try:
self.converter_manager.get_by_id(options.converter)
except KeyError:
message = '%r is not a valid converter type.' % (
options.converter,)
if options.json:
print(json.dumps({'error': message}))
else:
print('ERROR:', message)
print('Use "%s -l" to get a list of valid converters.' % (
parser.prog,))
print('')
parser.print_help()
sys.exit(1)
any_failed = False
def changed(c):
if c.status == 'failed':
any_failed = True
if options.json:
output = {
'filename': c.video.filename,
'output': c.output,
'status': c.status,
'duration': c.duration,
'progress': c.progress,
'percent': (c.progress_percent * 100 if c.progress_percent
else 0),
}
if c.error is not None:
output['error'] = c.error
print(json.dumps(output))
else:
if c.status == 'initialized':
line = 'starting (output: %s)' % (c.output,)
elif c.status == 'converting':
if c.progress_percent is not None:
line = 'converting (%i%% complete, %is remaining)' % (
c.progress_percent * 100, c.eta)
else:
line = 'converting (0% complete, unknown remaining)'
elif c.status == 'staging':
line = 'staging'
elif c.status == 'failed':
line = 'failed (error: %r)' % (c.error,)
elif c.status == 'finished':
line = 'finished (output: %s)' % (c.output,)
else:
line = c.status
print('%s: %s' % (c.video.filename, line))
for filename in args:
try:
c = app.start_conversion(filename, options.converter)
except ValueError:
message = 'could not parse %r' % filename
if options.json:
any_failed = True
print(json.dumps({'status': 'failed', 'error': message,
'filename': filename}))
else:
print('ERROR:', message)
continue
changed(c)
c.listen(changed)
# XXX real mainloop
while self.conversion_manager.running:
self.conversion_manager.check_notifications()
time.sleep(1)
self.conversion_manager.check_notifications() # one last time
sys.exit(0 if not any_failed else 1)
if __name__ == "__main__":
initialize(None)
app.widgetapp = Application()
app.widgetapp.startup()
app.widgetapp.run()
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