golden hour

/usr/lib/python3.9/site-packages/setuptools/command

File/Folder	Size	Actions
__init__.py	568 B
__pycache__	-
alias.py	2.33 KB
bdist_egg.py	16.21 KB
bdist_rpm.py	900 B
bdist_wininst.py	922 B
build_clib.py	4.31 KB
build_ext.py	12.72 KB
build_py.py	9.25 KB
develop.py	7.86 KB
dist_info.py	960 B
easy_install.py	83.33 KB
egg_info.py	24.74 KB
install.py	4.59 KB
install_egg_info.py	2.15 KB
install_lib.py	3.78 KB
install_scripts.py	2.46 KB
launcher manifest.xml	628 B
py36compat.py	4.83 KB
register.py	468 B
rotate.py	2.08 KB
saveopts.py	658 B
sdist.py	5.83 KB
setopt.py	4.93 KB
test.py	9.25 KB
upload.py	462 B
upload_docs.py	6.98 KB

Edit: alias.py

from distutils.errors import DistutilsOptionError

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