Files
whipper-gui/whipper/command/main.py
2020-02-08 18:24:00 +00:00

130 lines
5.1 KiB
Python

# -*- Mode: Python -*-
# vi:si:et:sw=4:sts=4:ts=4
import os
import sys
import pkg_resources
import musicbrainzngs
import site
import whipper
from distutils.sysconfig import get_python_lib
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():
server = config.Config().get_musicbrainz_server()
https_enabled = server['scheme'] == 'https'
try:
musicbrainzngs.set_hostname(server['netloc'], https_enabled)
# Parameter 'use_https' is missing in versions of musicbrainzngs < 0.7
except TypeError as e:
logger.warning("Parameter 'use_https' is missing in versions of "
"musicbrainzngs < 0.7. This means whipper will only "
"be able to communicate with the configured "
"MusicBrainz server ('%s') over plain HTTP. If a "
"custom server which speaks HTTPS only has been "
"declared, a suitable version of the "
"musicbrainzngs module will be needed "
"to make it work in whipper.", server['netloc'])
musicbrainzngs.set_hostname(server['netloc'])
# Find whipper's plugins paths (local paths have higher priority)
plugins_p = [directory.data_path('plugins')] # local path (in $HOME)
if hasattr(sys, 'real_prefix'): # no getsitepackages() in virtualenv
plugins_p.append(
get_python_lib(plat_specific=False, standard_lib=False,
prefix='/usr/local') + '/whipper/plugins')
plugins_p.append(get_python_lib(plat_specific=False,
standard_lib=False) + '/whipper/plugins')
else:
plugins_p += [x + '/whipper/plugins' for x in site.getsitepackages()]
# register plugins with pkg_resources
distributions, _ = pkg_resources.working_set.find_plugins(
pkg_resources.Environment(plugins_p)
)
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:
logger.critical("SystemError: %s", e)
if (isinstance(e, common.EjectError) and
cmd.options.eject in ('failure', 'always')):
# XXX: Pylint, instance of 'SystemError' has no 'device' member
eject_device(e.device)
return 255
except RuntimeError as e:
print(e)
return 1
except KeyboardInterrupt:
return 2
except ImportError:
raise
except task.TaskException as e:
if isinstance(e.exception, ImportError):
raise ImportError(e.exception)
elif isinstance(e.exception, common.MissingDependencyException):
logger.critical('missing dependency "%s"', e.exception.dependency)
return 255
if isinstance(e.exception, common.EmptyError):
logger.debug("EmptyError: %s", e.exception)
logger.critical('could not create encoded file')
return 255
# in python3 we can instead do `raise e.exception` as that would show
# the exception's original context
logger.critical(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.\n\n"
"whipper gives you a tree of subcommands to work with.\n"
"You can get help on subcommands by using the -h option "
"to the subcommand.\n")
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="success",
choices=('never', 'failure',
'success', 'always'),
help="when to eject disc (default: success)")
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)