tahoe-lafs/setuptools-0.6c16dev5.egg/setuptools/command/alias.py
Daira Hopwood db64bb9dc1 Rename zetuptoolz egg to reflect new version number.
Signed-off-by: Daira Hopwood <daira@jacaranda.org>
2014-10-02 16:42:44 +01:00

80 lines
2.4 KiB
Python

import distutils, os
from setuptools import Command
from distutils.util import convert_path
from distutils import log
from distutils.errors import *
from setuptools.command.setopt import edit_config, option_base, config_file
def shquote(arg):
"""Quote an argument for later parsing by shlex.split()"""
for c in '"', "'", "\\", "#":
if c in arg: return repr(arg)
if arg.split()!=[arg]:
return repr(arg)
return arg
class alias(option_base):
"""Define a shortcut that invokes one or more commands"""
description = "define a shortcut to invoke one or more commands"
command_consumes_arguments = True
user_options = [
('remove', 'r', 'remove (unset) the alias'),
] + option_base.user_options
boolean_options = option_base.boolean_options + ['remove']
def initialize_options(self):
option_base.initialize_options(self)
self.args = None
self.remove = None
def finalize_options(self):
option_base.finalize_options(self)
if self.remove and len(self.args)!=1:
raise DistutilsOptionError(
"Must specify exactly one argument (the alias name) when "
"using --remove"
)
def run(self):
aliases = self.distribution.get_option_dict('aliases')
if not self.args:
print "Command Aliases"
print "---------------"
for alias in aliases:
print "setup.py alias", format_alias(alias, aliases)
return
elif len(self.args)==1:
alias, = self.args
if self.remove:
command = None
elif alias in aliases:
print "setup.py alias", format_alias(alias, aliases)
return
else:
print "No alias definition found for %r" % alias
return
else:
alias = self.args[0]
command = ' '.join(map(shquote,self.args[1:]))
edit_config(self.filename, {'aliases': {alias:command}}, self.dry_run)
def format_alias(name, aliases):
source, command = aliases[name]
if source == config_file('global'):
source = '--global-config '
elif source == config_file('user'):
source = '--user-config '
elif source == config_file('local'):
source = ''
else:
source = '--filename=%r' % source
return source+name+' '+command