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75 lines
2.6 KiB
75 lines
2.6 KiB
#!/usr/bin/env python |
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# ignore all lints for this file, since it is run by python2 as well |
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# type: ignore |
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# pylint: disable=deprecated-module |
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import os.path |
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import sysconfig |
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import json |
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import sys |
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import distutils.command.install |
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def get_distutils_paths(scheme=None, prefix=None): |
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import distutils.dist |
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distribution = distutils.dist.Distribution() |
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install_cmd = distribution.get_command_obj('install') |
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if prefix is not None: |
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install_cmd.prefix = prefix |
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if scheme: |
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install_cmd.select_scheme(scheme) |
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install_cmd.finalize_options() |
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return { |
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'data': install_cmd.install_data, |
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'include': os.path.dirname(install_cmd.install_headers), |
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'platlib': install_cmd.install_platlib, |
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'purelib': install_cmd.install_purelib, |
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'scripts': install_cmd.install_scripts, |
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} |
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# On Debian derivatives, the Python interpreter shipped by the distribution uses |
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# a custom install scheme, deb_system, for the system install, and changes the |
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# default scheme to a custom one pointing to /usr/local and replacing |
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# site-packages with dist-packages. |
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# See https://github.com/mesonbuild/meson/issues/8739. |
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# XXX: We should be using sysconfig, but Debian only patches distutils. |
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if 'deb_system' in distutils.command.install.INSTALL_SCHEMES: |
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paths = get_distutils_paths(scheme='deb_system') |
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install_paths = get_distutils_paths(scheme='deb_system', prefix='') |
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else: |
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paths = sysconfig.get_paths() |
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empty_vars = {'base': '', 'platbase': '', 'installed_base': ''} |
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install_paths = sysconfig.get_paths(vars=empty_vars) |
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def links_against_libpython(): |
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from distutils.core import Distribution, Extension |
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cmd = Distribution().get_command_obj('build_ext') |
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cmd.ensure_finalized() |
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return bool(cmd.get_libraries(Extension('dummy', []))) |
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variables = sysconfig.get_config_vars() |
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variables.update({'base_prefix': getattr(sys, 'base_prefix', sys.prefix)}) |
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if sys.version_info < (3, 0): |
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suffix = variables.get('SO') |
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elif sys.version_info < (3, 8, 7): |
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# https://bugs.python.org/issue?@action=redirect&bpo=39825 |
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from distutils.sysconfig import get_config_var |
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suffix = get_config_var('EXT_SUFFIX') |
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else: |
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suffix = variables.get('EXT_SUFFIX') |
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print(json.dumps({ |
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'variables': variables, |
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'paths': paths, |
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'sysconfig_paths': sysconfig.get_paths(), |
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'install_paths': install_paths, |
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'version': sysconfig.get_python_version(), |
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'platform': sysconfig.get_platform(), |
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'is_pypy': '__pypy__' in sys.builtin_module_names, |
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'is_venv': sys.prefix != variables['base_prefix'], |
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'link_libpython': links_against_libpython(), |
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'suffix': suffix, |
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}))
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