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