Files
whipper-gui/whipper/command/main.py
2018-05-08 18:39:08 +02:00

110 lines
3.8 KiB
Python

# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
import os
import sys
import pkg_resources
import musicbrainzngs
import whipper
from whipper.command import cd, offset, drive, image, accurip, mblookup
from whipper.command.basecommand import BaseCommand
from whipper.common import common, directory, config
from whipper.extern.task import task
from whipper.program.utils import eject_device
import logging
logger = logging.getLogger(__name__)
def main():
try:
server = config.Config().get_musicbrainz_server()
except KeyError as e:
sys.stderr.write('whipper: %s\n' % e.message)
sys.exit()
musicbrainzngs.set_hostname(server)
# register plugins with pkg_resources
distributions, _ = pkg_resources.working_set.find_plugins(
pkg_resources.Environment([directory.data_path('plugins')])
)
list(map(pkg_resources.working_set.add, distributions))
try:
cmd = Whipper(sys.argv[1:], os.path.basename(sys.argv[0]), None)
ret = cmd.do()
except SystemError as e:
sys.stderr.write('whipper: error: %s\n' % e)
if (type(e) is common.EjectError and
cmd.options.eject in ('failure', 'always')):
eject_device(e.device)
return 255
except RuntimeError as e:
print(e)
return 1
except KeyboardInterrupt:
return 2
except ImportError as e:
raise
except task.TaskException as e:
if isinstance(e.exception, ImportError):
raise ImportError(e.exception)
elif isinstance(e.exception, common.MissingDependencyException):
sys.stderr.write('whipper: error: missing dependency "%s"\n' %
e.exception.dependency)
return 255
if isinstance(e.exception, common.EmptyError):
logger.debug("EmptyError: %r", str(e.exception))
sys.stderr.write('whipper: error: Could not create encoded file.\n') # noqa: E501
return 255
# in python3 we can instead do `raise e.exception` as that would show
# the exception's original context
sys.stderr.write(e.exceptionMessage)
return 255
return ret if ret else 0
class Whipper(BaseCommand):
description = """whipper is a CD ripping utility focusing on accuracy over speed.
whipper gives you a tree of subcommands to work with.
You can get help on subcommands by using the -h option to the subcommand.
"""
no_add_help = True
subcommands = {
'accurip': accurip.AccuRip,
'cd': cd.CD,
'drive': drive.Drive,
'offset': offset.Offset,
'image': image.Image,
'mblookup': mblookup.MBLookup
}
def add_arguments(self):
self.parser.add_argument('-R', '--record',
action='store_true', dest='record',
help="record API requests for playback")
self.parser.add_argument('-v', '--version',
action="store_true", dest="version",
help="show version information")
self.parser.add_argument('-h', '--help',
action="store_true", dest="help",
help="show this help message and exit")
self.parser.add_argument('-e', '--eject',
action="store", dest="eject",
default="always",
choices=('never', 'failure',
'success', 'always'),
help="when to eject disc (default: always)")
def handle_arguments(self):
if self.options.help:
self.parser.print_help()
sys.exit(0)
if self.options.version:
print("whipper %s" % whipper.__version__)
sys.exit(0)