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# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
# Chris Ball <cjb@laptop.org>
# Gianluca Montecchi <gian@grys.it>
# Oleg Romanyshyn <oromanyshyn@panoramicfeedback.com>
# W. Trevor King <wking@drexel.edu>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
A command line interface to Bugs Everywhere.
"""
import optparse
import os
import sys
import libbe
import libbe.bugdir
import libbe.command
import libbe.command.util
import libbe.version
import libbe.ui.util.pager
if libbe.TESTING == True:
import doctest
class CallbackExit (Exception):
pass
class CmdOptionParser(optparse.OptionParser):
def __init__(self, command):
self.command = command
optparse.OptionParser.__init__(self)
self.disable_interspersed_args()
self.remove_option('-h')
self._option_by_name = {}
for option in self.command.options:
self._add_option(option)
def _add_option(self, option):
option.validate()
self._option_by_name[option.name] = option
opt_strings = ['--'+option.name]
dest = option.name.replace('-', '_')
assert '_' not in option.name, \
'Non-reconstructable option name %s' % option.name
if option.short_name != None:
opt_strings.append('-'+option.short_name)
if option.arg == None: # a callback option
opt = optparse.Option(
*opt_strings, action='callback', dest=dest,
callback=self.callback, help=option.help)
else:
kwargs = {}
if option.arg.type == 'bool':
action = 'store_true'
else:
kwargs['type'] = option.arg.type
action = 'store'
opt = optparse.Option(
*opt_strings, metavar=option.arg.metavar,
default=option.arg.default, action=action,
dest=dest, help=option.help, **kwargs)
opt._option = option
self.add_option(opt)
def parse_args(self, args=None, values=None):
args = self._get_args(args)
options,parsed_args = optparse.OptionParser.parse_args(
self, args=args, values=values)
options = options.__dict__
for name,value in options.items():
if '_' in name: # reconstruct original option name
options[name.replace('_', '-')] = options.pop(name)
for name,value in options.items():
if value == '--complete':
argument = None
option = self._option_by_name[name]
if option.arg != None:
argument = option.arg
fragment = None
indices = [i for i,arg in enumerate(args)
if arg == '--complete']
for i in indices:
assert i > 0 # this --complete is an option value
if args[i-1] in ['--%s' % o.name
for o in self.command.options]:
name = args[i-1][2:]
if name == option.name:
break
elif option.short_name != None \
and args[i-1].startswith('-') \
and args[i-1].endswith(option.short_name):
break
if i+1 < len(args):
fragment = args[i+1]
self.complete(argument, fragment)
for i,arg in enumerate(parsed_args):
if arg == '--complete':
if i < len(self.command.args):
argument = self.command.args[i]
else:
argument = self.command.args[-1]
if argument.repeatable == False:
raise libbe.command.UserError('Too many arguments')
fragment = None
if i < len(args) - 1:
fragment = args[i+1]
self.complete(argument, fragment)
if len(parsed_args) > len(self.command.args) \
and self.command.args[-1] == False:
raise libbe.command.UserError('Too many arguments')
for arg in self.command.args[len(parsed_args):]:
if arg.optional == False:
raise libbe.command.UserError(
'Missing required argument %s' % arg.metavar)
return (options, parsed_args)
def callback(self, option, opt, value, parser):
command_option = option._option
if command_option.name == 'complete':
argument = None
fragment = None
if len(parser.rargs) > 0:
fragment = parser.rargs[0]
self.complete(argument, fragment)
else:
print command_option.callback(
self.command, command_option, value)
raise CallbackExit
def complete(self, argument=None, fragment=None):
print argument, fragment
comps = self.command.complete(argument, fragment)
if fragment != None:
comps = [c for c in comps if c.startswith(fragment)]
print '\n'.join(comps)
raise CallbackExit
class BE (libbe.command.Command):
"""Class for parsing the command line arguments for `be`.
This class does not contain a useful _run() method. Call this
module's main() function instead.
>>> be = BE()
>>> p = CmdOptionParser(be)
>>> p.exit_after_callback = False
>>> try:
... options,args = p.parse_args(['--help']) # doctest: +ELLIPSIS
... except CallbackExit:
... pass
usage: be [options] [COMMAND [command-options] [COMMAND-ARGS ...]]
<BLANKLINE>
Options:
-h HELP, --help=HELP Print a help message.
<BLANKLINE>
--complete=STRING Print a list of possible completions.
<BLANKLINE>
--version=VERSION Print version string.
...
>>> options,args = p.parse_args(['--complete']) # doctest: +ELLIPSIS
"""
name = 'be'
def __init__(self, *args, **kwargs):
libbe.command.Command.__init__(self, *args, **kwargs)
self.options.extend([
libbe.command.Option(name='version',
help='Print version string.',
callback=self.version),
libbe.command.Option(name='full-version',
help='Print full version information.',
callback=self.full_version),
libbe.command.Option(name='repo', short_name='r',
help='Select BE repository (see `be help repo`) rather '
'than the current directory.',
arg=libbe.command.Argument(
name='repo', metavar='REPO', default='.',
completion_callback=libbe.command.util.complete_path)),
libbe.command.Option(name='paginate',
help='Pipe all output into less (or if set, $PAGER).'),
libbe.command.Option(name='no-pager',
help='Do not pipe git output into a pager.'),
])
self.args.extend([
libbe.command.Argument(
name='command', optional=False,
completion_callback=libbe.command.util.complete_command),
libbe.command.Argument(
name='args', optional=True, repeatable=True)
])
def _usage(self):
return 'usage: be [options] [COMMAND [command-options] [COMMAND-ARGS ...]]'
def _long_help(self):
cmdlist = []
for name in libbe.command.commands():
module = libbe.command.get_command(name)
Class = getattr(module, name.capitalize())
cmdlist.append((name, Class.__doc__.splitlines()[0]))
cmdlist.sort()
longest_cmd_len = max([len(name) for name,desc in cmdlist])
ret = ['Bugs Everywhere - Distributed bug tracking',
'', 'Supported commands']
for name, desc in cmdlist:
numExtraSpaces = longest_cmd_len-len(name)
ret.append('be %s%*s %s' % (name, numExtraSpaces, '', desc))
ret.extend(['', 'Run', ' be help [command]', 'for more information.'])
return '\n'.join(ret)
def version(self, *args):
return libbe.version.version(verbose=False)
def full_version(self, *args):
return libbe.version.version(verbose=True)
def main():
parser = CmdOptionParser(BE())
try:
options,args = parser.parse_args()
except CallbackExit:
return 0
except libbe.command.UserError, e:
print 'ERROR:\n', e
return 1
paginate = 'auto'
if options['paginate'] == True:
paginate = 'always'
if options['no-pager'] == True:
paginate = 'never'
libbe.ui.util.pager.run_pager(paginate)
command_name = args[0]
try:
module = libbe.command.get_command(command_name)
except libbe.command.UnknownCommand, e:
print e
return 1
Class = getattr(module, command_name.capitalize())
command = Class()
parser = CmdOptionParser(command)
if command.requires_bugdir == True:
storage = libbe.storage.get_storage(options['repo'])
storage.connect()
bugdir = libbe.bugdir.BugDir(storage, from_storage=True)
else:
storage = None
bugdir = None
try:
options,args = parser.parse_args(args[1:])
command.run(bugdir, options, args)
except CallbackExit:
if storage != None: storage.disconnect()
return 0
except libbe.command.UserError, e:
if storage != None: storage.disconnect()
print 'ERROR:\n', e
return 1
if storage != None: storage.disconnect()
return 0
if __name__ == '__main__':
sys.exit(main())
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