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126 lines
4.6 KiB
Python
126 lines
4.6 KiB
Python
5 years ago
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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()
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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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