126 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			126 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from distutils.errors import DistutilsArgError
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import inspect
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import glob
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import warnings
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import platform
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import distutils.command.install as orig
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import setuptools
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# Prior to numpy 1.9, NumPy relies on the '_install' name, so provide it for
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# now. See https://github.com/pypa/setuptools/issues/199/
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_install = orig.install
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class install(orig.install):
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    """Use easy_install to install the package, w/dependencies"""
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    user_options = orig.install.user_options + [
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        ('old-and-unmanageable', None, "Try not to use this!"),
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        ('single-version-externally-managed', None,
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         "used by system package builders to create 'flat' eggs"),
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    ]
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    boolean_options = orig.install.boolean_options + [
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        'old-and-unmanageable', 'single-version-externally-managed',
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    ]
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    new_commands = [
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        ('install_egg_info', lambda self: True),
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        ('install_scripts', lambda self: True),
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    ]
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    _nc = dict(new_commands)
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    def initialize_options(self):
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        orig.install.initialize_options(self)
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        self.old_and_unmanageable = None
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        self.single_version_externally_managed = None
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    def finalize_options(self):
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        orig.install.finalize_options(self)
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        if self.root:
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            self.single_version_externally_managed = True
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        elif self.single_version_externally_managed:
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            if not self.root and not self.record:
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                raise DistutilsArgError(
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                    "You must specify --record or --root when building system"
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                    " packages"
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                )
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    def handle_extra_path(self):
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        if self.root or self.single_version_externally_managed:
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            # explicit backward-compatibility mode, allow extra_path to work
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            return orig.install.handle_extra_path(self)
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        # Ignore extra_path when installing an egg (or being run by another
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        # command without --root or --single-version-externally-managed
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        self.path_file = None
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        self.extra_dirs = ''
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    def run(self):
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        # Explicit request for old-style install?  Just do it
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        if self.old_and_unmanageable or self.single_version_externally_managed:
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            return orig.install.run(self)
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        if not self._called_from_setup(inspect.currentframe()):
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            # Run in backward-compatibility mode to support bdist_* commands.
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            orig.install.run(self)
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        else:
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            self.do_egg_install()
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    @staticmethod
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    def _called_from_setup(run_frame):
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        """
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        Attempt to detect whether run() was called from setup() or by another
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        command.  If called by setup(), the parent caller will be the
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        'run_command' method in 'distutils.dist', and *its* caller will be
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        the 'run_commands' method.  If called any other way, the
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        immediate caller *might* be 'run_command', but it won't have been
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        called by 'run_commands'. Return True in that case or if a call stack
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        is unavailable. Return False otherwise.
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        """
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        if run_frame is None:
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            msg = "Call stack not available. bdist_* commands may fail."
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            warnings.warn(msg)
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            if platform.python_implementation() == 'IronPython':
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                msg = "For best results, pass -X:Frames to enable call stack."
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                warnings.warn(msg)
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            return True
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        res = inspect.getouterframes(run_frame)[2]
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        caller, = res[:1]
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        info = inspect.getframeinfo(caller)
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        caller_module = caller.f_globals.get('__name__', '')
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        return (
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            caller_module == 'distutils.dist'
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            and info.function == 'run_commands'
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        )
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    def do_egg_install(self):
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        easy_install = self.distribution.get_command_class('easy_install')
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        cmd = easy_install(
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            self.distribution, args="x", root=self.root, record=self.record,
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        )
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        cmd.ensure_finalized()  # finalize before bdist_egg munges install cmd
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        cmd.always_copy_from = '.'  # make sure local-dir eggs get installed
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        # pick up setup-dir .egg files only: no .egg-info
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        cmd.package_index.scan(glob.glob('*.egg'))
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        self.run_command('bdist_egg')
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        args = [self.distribution.get_command_obj('bdist_egg').egg_output]
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        if setuptools.bootstrap_install_from:
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            # Bootstrap self-installation of setuptools
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            args.insert(0, setuptools.bootstrap_install_from)
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        cmd.args = args
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        cmd.run(show_deprecation=False)
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        setuptools.bootstrap_install_from = None
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# XXX Python 3.1 doesn't see _nc if this is inside the class
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install.sub_commands = (
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    [cmd for cmd in orig.install.sub_commands if cmd[0] not in install._nc] +
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    install.new_commands
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)
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