SWAMPy

✎ CARVE FLESH

EDITING: namespaces.py

import os
from distutils import log
import itertools

from setuptools.extern.six.moves import map

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):
        # ensure pkg is not a unicode string under Python 2.7
        pkg = str(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

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 __pycache__/	DIR	—	2026-07-19 12:20
📁 _vendor/	DIR	—	2026-07-19 12:20
📁 command/	DIR	—	2026-07-19 12:20
📁 extern/	DIR	—	2026-07-19 12:20
📄 __init__.py	PY	5.6 KB	2025-07-15 09:13	EDIT
📄 archive_util.py	PY	6.4 KB	2025-07-15 09:13	EDIT
📄 build_meta.py	PY	5.5 KB	2025-07-15 09:13	EDIT
📄 config.py	PY	17.6 KB	2025-07-15 09:13	EDIT
📄 dep_util.py	PY	935 B	2025-07-15 09:13	EDIT
📄 depends.py	PY	5.7 KB	2025-07-15 09:13	EDIT
📄 dist.py	PY	41.6 KB	2025-07-15 09:13	EDIT
📄 extension.py	PY	1.7 KB	2025-07-15 09:13	EDIT
📄 glibc.py	PY	3.1 KB	2025-07-15 09:13	EDIT
📄 glob.py	PY	5.1 KB	2025-07-15 09:13	EDIT
📄 launch.py	PY	787 B	2025-07-15 09:13	EDIT
📄 lib2to3_ex.py	PY	2 KB	2025-07-15 09:13	EDIT
📄 monkey.py	PY	5.1 KB	2025-07-15 09:13	EDIT
📄 msvc.py	PY	39.9 KB	2025-07-15 09:13	EDIT
📄 namespaces.py	PY	3.1 KB	2025-07-15 09:13	EDIT
📄 package_index.py	PY	39.4 KB	2025-07-15 09:13	EDIT
📄 pep425tags.py	PY	10.6 KB	2025-07-15 09:13	EDIT
📄 py27compat.py	PY	536 B	2025-07-15 09:13	EDIT
📄 py31compat.py	PY	1.2 KB	2025-07-15 09:13	EDIT
📄 py33compat.py	PY	1.2 KB	2025-07-15 09:13	EDIT
📄 py36compat.py	PY	2.8 KB	2025-07-15 09:13	EDIT
📄 sandbox.py	PY	13.9 KB	2025-07-15 09:13	EDIT
📄 script (dev).tmpl	TMPL	201 B	2025-07-15 09:13	EDIT
📄 script.tmpl	TMPL	138 B	2025-07-15 09:13	EDIT
📄 site-patch.py	PY	2.3 KB	2025-07-15 09:13	EDIT
📄 ssl_support.py	PY	8.3 KB	2025-07-15 09:13	EDIT
📄 unicode_utils.py	PY	996 B	2025-07-15 09:13	EDIT
📄 version.py	PY	144 B	2025-07-15 09:13	EDIT
📄 wheel.py	PY	7.6 KB	2025-07-15 09:13	EDIT
📄 windows_support.py	PY	714 B	2025-07-15 09:13	EDIT