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from distutils.errors import DistutilsArgError
import inspect
import glob
import platform
import distutils.command.install as orig
from typing import cast
import setuptools
from ..warnings import SetuptoolsDeprecationWarning, SetuptoolsWarning
from .bdist_egg import bdist_egg as bdist_egg_cls
# 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 = ''
return None
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()
return None
@staticmethod
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'
return False
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')
bdist_egg = cast(bdist_egg_cls, self.distribution.get_command_obj('bdist_egg'))
args = [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
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