from distutils.errors import DistutilsArgError
import inspect
import glob
import warnings
import platform
import distutils.command.install as orig
import setuptools
_install = orig.install
class install(orig.install):
user_options = orig.install.user_options + [
('old-and-unmanageable', None, "Try not to use this!"),
('single-version-externally-managed', None,
"used by system package builders to create 'flat' eggs"),
]
boolean_options = orig.install.boolean_options + [
'old-and-unmanageable', 'single-version-externally-managed',
]
new_commands = [
('install_egg_info', lambda self: True),
('install_scripts', lambda self: True),
]
_nc = dict(new_commands)
def initialize_options(self):
orig.install.initialize_options(self)
self.old_and_unmanageable = None
self.single_version_externally_managed = None
def finalize_options(self):
orig.install.finalize_options(self)
if self.root:
self.single_version_externally_managed = True
elif self.single_version_externally_managed:
if not self.root and not self.record:
raise DistutilsArgError(
"You must specify --record or --root when building system"
" packages"
)
def handle_extra_path(self):
if self.root or self.single_version_externally_managed:
return orig.install.handle_extra_path(self)
self.path_file = None
self.extra_dirs = ''
def run(self):
if self.old_and_unmanageable or self.single_version_externally_managed:
return orig.install.run(self)
if not self._called_from_setup(inspect.currentframe()):
orig.install.run(self)
else:
self.do_egg_install()
@staticmethod
def _called_from_setup(run_frame):
if run_frame is None:
msg = "Call stack not available. bdist_* commands may fail."
warnings.warn(msg)
if platform.python_implementation() == 'IronPython':
msg = "For best results, pass -X:Frames to enable call stack."
warnings.warn(msg)
return True
res = inspect.getouterframes(run_frame)[2]
caller, = res[:1]
info = inspect.getframeinfo(caller)
caller_module = caller.f_globals.get('__name__', '')
return (
caller_module == 'distutils.dist'
and info.function == 'run_commands'
)
def do_egg_install(self):
easy_install = self.distribution.get_command_class('easy_install')
cmd = easy_install(
self.distribution, args="x", root=self.root, record=self.record,
)
cmd.ensure_finalized() cmd.always_copy_from = '.'
cmd.package_index.scan(glob.glob('*.egg'))
self.run_command('bdist_egg')
args = [self.distribution.get_command_obj('bdist_egg').egg_output]
if setuptools.bootstrap_install_from:
args.insert(0, setuptools.bootstrap_install_from)
cmd.args = args
cmd.run(show_deprecation=False)
setuptools.bootstrap_install_from = None
install.sub_commands = (
[cmd for cmd in orig.install.sub_commands if cmd[0] not in install._nc] +
install.new_commands
)