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from distutils.errors import DistutilsArgError | |
import inspect | |
import glob | |
import platform | |
import distutils.command.install as orig | |
import setuptools | |
from ..warnings import SetuptoolsDeprecationWarning, SetuptoolsWarning | |
# Prior to numpy 1.9, NumPy relies on the '_install' name, so provide it for | |
# now. See https://github.com/pypa/setuptools/issues/199/ | |
_install = orig.install | |
class install(orig.install): | |
"""Use easy_install to install the package, w/dependencies""" | |
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): | |
SetuptoolsDeprecationWarning.emit( | |
"setup.py install is deprecated.", | |
""" | |
Please avoid running ``setup.py`` directly. | |
Instead, use pypa/build, pypa/installer or other | |
standards-based tools. | |
""", | |
see_url="https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html", | |
# TODO: Document how to bootstrap setuptools without install | |
# (e.g. by unziping the wheel file) | |
# and then add a due_date to this warning. | |
) | |
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: | |
# explicit backward-compatibility mode, allow extra_path to work | |
return orig.install.handle_extra_path(self) | |
# Ignore extra_path when installing an egg (or being run by another | |
# command without --root or --single-version-externally-managed | |
self.path_file = None | |
self.extra_dirs = '' | |
def run(self): | |
# Explicit request for old-style install? Just do it | |
if self.old_and_unmanageable or self.single_version_externally_managed: | |
return orig.install.run(self) | |
if not self._called_from_setup(inspect.currentframe()): | |
# Run in backward-compatibility mode to support bdist_* commands. | |
orig.install.run(self) | |
else: | |
self.do_egg_install() | |
def _called_from_setup(run_frame): | |
""" | |
Attempt to detect whether run() was called from setup() or by another | |
command. If called by setup(), the parent caller will be the | |
'run_command' method in 'distutils.dist', and *its* caller will be | |
the 'run_commands' method. If called any other way, the | |
immediate caller *might* be 'run_command', but it won't have been | |
called by 'run_commands'. Return True in that case or if a call stack | |
is unavailable. Return False otherwise. | |
""" | |
if run_frame is None: | |
msg = "Call stack not available. bdist_* commands may fail." | |
SetuptoolsWarning.emit(msg) | |
if platform.python_implementation() == 'IronPython': | |
msg = "For best results, pass -X:Frames to enable call stack." | |
SetuptoolsWarning.emit(msg) | |
return True | |
frames = inspect.getouterframes(run_frame) | |
for frame in frames[2:4]: | |
caller, = frame[:1] | |
info = inspect.getframeinfo(caller) | |
caller_module = caller.f_globals.get('__name__', '') | |
if caller_module == "setuptools.dist" and info.function == "run_command": | |
# Starting from v61.0.0 setuptools overwrites dist.run_command | |
continue | |
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() # finalize before bdist_egg munges install cmd | |
cmd.always_copy_from = '.' # make sure local-dir eggs get installed | |
# pick up setup-dir .egg files only: no .egg-info | |
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: | |
# Bootstrap self-installation of setuptools | |
args.insert(0, setuptools.bootstrap_install_from) | |
cmd.args = args | |
cmd.run(show_deprecation=False) | |
setuptools.bootstrap_install_from = None | |
# XXX Python 3.1 doesn't see _nc if this is inside the class | |
install.sub_commands = ( | |
[cmd for cmd in orig.install.sub_commands if cmd[0] not in install._nc] + | |
install.new_commands | |
) | |