1 files changed, 75 insertions, 0 deletions
diff --git a/mesonbuild/scripts/python_info.py b/mesonbuild/scripts/python_info.py
new file mode 100755
index 0000000..a851356
--- /dev/null
+++ b/mesonbuild/scripts/python_info.py
@@ -0,0 +1,75 @@
+#!/usr/bin/env python
+
+# ignore all lints for this file, since it is run by python2 as well
+
+# type: ignore
+# pylint: disable=deprecated-module
+
+import os.path
+import sysconfig
+import json
+import sys
+import distutils.command.install
+
+def get_distutils_paths(scheme=None, prefix=None):
+    import distutils.dist
+    distribution = distutils.dist.Distribution()
+    install_cmd = distribution.get_command_obj('install')
+    if prefix is not None:
+        install_cmd.prefix = prefix
+    if scheme:
+        install_cmd.select_scheme(scheme)
+    install_cmd.finalize_options()
+    return {
+        'data': install_cmd.install_data,
+        'include': os.path.dirname(install_cmd.install_headers),
+        'platlib': install_cmd.install_platlib,
+        'purelib': install_cmd.install_purelib,
+        'scripts': install_cmd.install_scripts,
+    }
+
+# On Debian derivatives, the Python interpreter shipped by the distribution uses
+# a custom install scheme, deb_system, for the system install, and changes the
+# default scheme to a custom one pointing to /usr/local and replacing
+# site-packages with dist-packages.
+# See https://github.com/mesonbuild/meson/issues/8739.
+# XXX: We should be using sysconfig, but Debian only patches distutils.
+
+if 'deb_system' in distutils.command.install.INSTALL_SCHEMES:
+    paths = get_distutils_paths(scheme='deb_system')
+    install_paths = get_distutils_paths(scheme='deb_system', prefix='')
+else:
+    paths = sysconfig.get_paths()
+    empty_vars = {'base': '', 'platbase': '', 'installed_base': ''}
+    install_paths = sysconfig.get_paths(vars=empty_vars)
+
+def links_against_libpython():
+    from distutils.core import Distribution, Extension
+    cmd = Distribution().get_command_obj('build_ext')
+    cmd.ensure_finalized()
+    return bool(cmd.get_libraries(Extension('dummy', [])))
+
+variables = sysconfig.get_config_vars()
+variables.update({'base_prefix': getattr(sys, 'base_prefix', sys.prefix)})
+
+if sys.version_info < (3, 0):
+    suffix = variables.get('SO')
+elif sys.version_info < (3, 8, 7):
+    # https://bugs.python.org/issue?@action=redirect&bpo=39825
+    from distutils.sysconfig import get_config_var
+    suffix = get_config_var('EXT_SUFFIX')
+else:
+    suffix = variables.get('EXT_SUFFIX')
+
+print(json.dumps({
+  'variables': variables,
+  'paths': paths,
+  'sysconfig_paths': sysconfig.get_paths(),
+  'install_paths': install_paths,
+  'version': sysconfig.get_python_version(),
+  'platform': sysconfig.get_platform(),
+  'is_pypy': '__pypy__' in sys.builtin_module_names,
+  'is_venv': sys.prefix != variables['base_prefix'],
+  'link_libpython': links_against_libpython(),
+  'suffix': suffix,
+}))