remove obsolete CommandLineUtility

This commit is contained in:
Martin Baeuml
2011-06-14 19:17:48 +02:00
parent 7be783f9db
commit d0381c29d2
-82
View File
@@ -247,85 +247,3 @@ class LaxOptionParser(OptionParser):
raise Exception
except:
largs.append(arg)
class CommandLineUtility(object):
"""
A CommandLineUtility has a number of commands, which can be manipulated
by editing the self.commands dictionary.
"""
def __init__(self, argv=None):
self.argv = argv or sys.argv[:]
self.prog_name = os.path.basename(self.argv[0])
def main_help_text(self):
"""
Returns the script's main help text, as a string.
"""
usage = ['', "Type '%s help <subcommand>' for help on a specific subcommand." % self.prog_name,'']
usage.append('Available subcommands:')
commands = get_commands().keys()
commands.sort()
for cmd in commands:
usage.append(' %s' % cmd)
return '\n'.join(usage)
def fetch_command(self, subcommand):
"""
Tries to fetch the given subcommand, printing a message with the
appropriate command called from the command line if it can't be found.
"""
try:
app_name = get_commands()[subcommand]
except KeyError:
sys.stderr.write("Unknown command: %r\nType '%s help' for usage.\n" % \
(subcommand, self.prog_name))
sys.exit(1)
if isinstance(app_name, BaseCommand):
# If the command is already loaded, use it directly.
klass = app_name
else:
klass = load_command_class(app_name, subcommand)
return klass
def execute(self):
"""
Given the command-line arguments, this figures out which subcommand is
being run, creates a parser appropriate to that command, and runs it.
"""
# Preprocess options to extract --settings and --pythonpath.
# These options could affect the commands that are available, so they
# must be processed early.
parser = LaxOptionParser(usage="%prog subcommand [options] [args]",
version=sloth.VERSION,
option_list=BaseCommand.option_list)
try:
options, args = parser.parse_args(self.argv)
#handle_default_options(options)
except:
pass # Ignore any option errors at this point.
try:
subcommand = self.argv[1]
except IndexError:
subcommand = 'help' # Display help if no arguments were given.
if subcommand == 'help':
if len(args) > 2:
self.fetch_command(args[2]).print_help(self.prog_name, args[2])
else:
parser.print_lax_help()
sys.stdout.write(self.main_help_text() + '\n')
sys.exit(1)
# Special-cases: We want 'django-admin.py --version' and
# 'django-admin.py --help' to work, for backwards compatibility.
elif self.argv[1:] == ['--version']:
# LaxOptionParser already takes care of printing the version.
pass
elif self.argv[1:] in (['--help'], ['-h']):
parser.print_lax_help()
sys.stdout.write(self.main_help_text() + '\n')
else:
self.fetch_command(subcommand).run_from_argv(self.argv)
from commands import get_commands