/usr/share/pyshared/setuptools/command/setopt.py is in python-setuptools 0.6.24-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | import distutils, os
from setuptools import Command
from distutils.util import convert_path
from distutils import log
from distutils.errors import *
__all__ = ['config_file', 'edit_config', 'option_base', 'setopt']
def config_file(kind="local"):
"""Get the filename of the distutils, local, global, or per-user config
`kind` must be one of "local", "global", or "user"
"""
if kind=='local':
return 'setup.cfg'
if kind=='global':
return os.path.join(
os.path.dirname(distutils.__file__),'distutils.cfg'
)
if kind=='user':
dot = os.name=='posix' and '.' or ''
return os.path.expanduser(convert_path("~/%spydistutils.cfg" % dot))
raise ValueError(
"config_file() type must be 'local', 'global', or 'user'", kind
)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
from ConfigParser import RawConfigParser
log.debug("Reading configuration from %s", filename)
opts = RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option,value in options.items():
if value is None:
log.debug("Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section,option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section,option,value)
log.info("Writing %s", filename)
if not dry_run:
f = open(filename,'w'); opts.write(f); f.close()
class option_base(Command):
"""Abstract base class for commands that mess with config files"""
user_options = [
('global-config', 'g',
"save options to the site-wide distutils.cfg file"),
('user-config', 'u',
"save options to the current user's pydistutils.cfg file"),
('filename=', 'f',
"configuration file to use (default=setup.cfg)"),
]
boolean_options = [
'global-config', 'user-config',
]
def initialize_options(self):
self.global_config = None
self.user_config = None
self.filename = None
def finalize_options(self):
filenames = []
if self.global_config:
filenames.append(config_file('global'))
if self.user_config:
filenames.append(config_file('user'))
if self.filename is not None:
filenames.append(self.filename)
if not filenames:
filenames.append(config_file('local'))
if len(filenames)>1:
raise DistutilsOptionError(
"Must specify only one configuration file option",
filenames
)
self.filename, = filenames
class setopt(option_base):
"""Save command-line options to a file"""
description = "set an option in setup.cfg or another config file"
user_options = [
('command=', 'c', 'command to set an option for'),
('option=', 'o', 'option to set'),
('set-value=', 's', 'value of the option'),
('remove', 'r', 'remove (unset) the value'),
] + option_base.user_options
boolean_options = option_base.boolean_options + ['remove']
def initialize_options(self):
option_base.initialize_options(self)
self.command = None
self.option = None
self.set_value = None
self.remove = None
def finalize_options(self):
option_base.finalize_options(self)
if self.command is None or self.option is None:
raise DistutilsOptionError("Must specify --command *and* --option")
if self.set_value is None and not self.remove:
raise DistutilsOptionError("Must specify --set-value or --remove")
def run(self):
edit_config(
self.filename, {
self.command: {self.option.replace('-','_'):self.set_value}
},
self.dry_run
)
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