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authorHaoran S. Diao (刁浩然) <0@hairydiode.xyz>2023-07-05 04:53:17 -0700
committerHaoran S. Diao (刁浩然) <0@hairydiode.xyz>2023-07-05 04:53:17 -0700
commit7cd46f6842cc0e0c8279b1f1607d9ffb4acb9102 (patch)
treee4489aeaa83e3f944d70914689c4a02adb39a52f /e/lib/python3.11/site-packages/setuptools/namespaces.py
initial commit, includes venv
Diffstat (limited to 'e/lib/python3.11/site-packages/setuptools/namespaces.py')
-rw-r--r--e/lib/python3.11/site-packages/setuptools/namespaces.py107
1 files changed, 107 insertions, 0 deletions
diff --git a/e/lib/python3.11/site-packages/setuptools/namespaces.py b/e/lib/python3.11/site-packages/setuptools/namespaces.py
new file mode 100644
index 0000000..44939e1
--- /dev/null
+++ b/e/lib/python3.11/site-packages/setuptools/namespaces.py
@@ -0,0 +1,107 @@
+import os
+from distutils import log
+import itertools
+
+
+flatten = itertools.chain.from_iterable
+
+
+class Installer:
+
+ nspkg_ext = '-nspkg.pth'
+
+ def install_namespaces(self):
+ nsp = self._get_all_ns_packages()
+ if not nsp:
+ return
+ filename, ext = os.path.splitext(self._get_target())
+ filename += self.nspkg_ext
+ self.outputs.append(filename)
+ log.info("Installing %s", filename)
+ lines = map(self._gen_nspkg_line, nsp)
+
+ if self.dry_run:
+ # always generate the lines, even in dry run
+ list(lines)
+ return
+
+ with open(filename, 'wt') as f:
+ f.writelines(lines)
+
+ def uninstall_namespaces(self):
+ filename, ext = os.path.splitext(self._get_target())
+ filename += self.nspkg_ext
+ if not os.path.exists(filename):
+ return
+ log.info("Removing %s", filename)
+ os.remove(filename)
+
+ def _get_target(self):
+ return self.target
+
+ _nspkg_tmpl = (
+ "import sys, types, os",
+ "has_mfs = sys.version_info > (3, 5)",
+ "p = os.path.join(%(root)s, *%(pth)r)",
+ "importlib = has_mfs and __import__('importlib.util')",
+ "has_mfs and __import__('importlib.machinery')",
+ (
+ "m = has_mfs and "
+ "sys.modules.setdefault(%(pkg)r, "
+ "importlib.util.module_from_spec("
+ "importlib.machinery.PathFinder.find_spec(%(pkg)r, "
+ "[os.path.dirname(p)])))"
+ ),
+ (
+ "m = m or "
+ "sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))"
+ ),
+ "mp = (m or []) and m.__dict__.setdefault('__path__',[])",
+ "(p not in mp) and mp.append(p)",
+ )
+ "lines for the namespace installer"
+
+ _nspkg_tmpl_multi = (
+ 'm and setattr(sys.modules[%(parent)r], %(child)r, m)',
+ )
+ "additional line(s) when a parent package is indicated"
+
+ def _get_root(self):
+ return "sys._getframe(1).f_locals['sitedir']"
+
+ def _gen_nspkg_line(self, pkg):
+ pth = tuple(pkg.split('.'))
+ root = self._get_root()
+ tmpl_lines = self._nspkg_tmpl
+ parent, sep, child = pkg.rpartition('.')
+ if parent:
+ tmpl_lines += self._nspkg_tmpl_multi
+ return ';'.join(tmpl_lines) % locals() + '\n'
+
+ def _get_all_ns_packages(self):
+ """Return sorted list of all package namespaces"""
+ pkgs = self.distribution.namespace_packages or []
+ return sorted(flatten(map(self._pkg_names, pkgs)))
+
+ @staticmethod
+ def _pkg_names(pkg):
+ """
+ Given a namespace package, yield the components of that
+ package.
+
+ >>> names = Installer._pkg_names('a.b.c')
+ >>> set(names) == set(['a', 'a.b', 'a.b.c'])
+ True
+ """
+ parts = pkg.split('.')
+ while parts:
+ yield '.'.join(parts)
+ parts.pop()
+
+
+class DevelopInstaller(Installer):
+ def _get_root(self):
+ return repr(str(self.egg_path))
+
+ def _get_target(self):
+ return self.egg_link