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"""Subpackage containing all standard commands."""
import os
from packaging.errors import PackagingModuleError
from packaging.util import resolve_name
__all__ = ['get_command_names', 'set_command', 'get_command_class',
'STANDARD_COMMANDS']
STANDARD_COMMANDS = [
# packaging
'check', 'test',
# building
'build', 'build_py', 'build_ext', 'build_clib', 'build_scripts', 'clean',
# installing
'install_dist', 'install_lib', 'install_headers', 'install_scripts',
'install_data', 'install_distinfo',
# distributing
'sdist', 'bdist', 'bdist_dumb', 'bdist_wininst',
'register', 'upload', 'upload_docs',
]
if os.name == 'nt':
STANDARD_COMMANDS.insert(STANDARD_COMMANDS.index('bdist_wininst'),
'bdist_msi')
# XXX maybe we need more than one registry, so that --list-comands can display
# standard, custom and overriden standard commands differently
_COMMANDS = dict((name, 'packaging.command.%s.%s' % (name, name))
for name in STANDARD_COMMANDS)
def get_command_names():
"""Return registered commands"""
return sorted(_COMMANDS)
def set_command(location):
cls = resolve_name(location)
# XXX we want to do the duck-type checking here
_COMMANDS[cls.get_command_name()] = cls
def get_command_class(name):
"""Return the registered command"""
try:
cls = _COMMANDS[name]
except KeyError:
raise PackagingModuleError("Invalid command %s" % name)
if isinstance(cls, str):
cls = resolve_name(cls)
_COMMANDS[name] = cls
return cls
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