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:
# If run_frame is None, just call the parent class logic
return install._called_from_setup(run_frame)
# Because Salt subclasses the setuptools install command, it needs to
# override this static method to provide the right frame for the logic
# so apply.
# We first try the current run_frame in case the issue
# https://github.com/pypa/setuptools/issues/456 is fixed.
first_call = install._called_from_setup(run_frame)
if first_call:
return True
# Fallback to providing the parent frame to have the right logic kick in
second_call = install._called_from_setup(run_frame.f_back)
if second_call is None:
# There was no parent frame?!
return first_call
return second_call
def run(self):
if not _install._called_from_setup(inspect.currentframe()):
# The run function from setuptools.command.install doesn't detect
# install cmd properly in the current setting of sub classing
# Install and therefore we detect it here and do the right thing
# for install command otherwise fall back to super class run for
# the other cases.
_install.run(self)
else:
_install.do_egg_install(self)
self.execute(prepare_release, (self.install_lib, False),
msg='Preparing the installation')
