Fix not generating correct .pth for parent namespace packages when

installing --single-version-externally-managed.


git-svn-id: http://svn.python.org/projects/sandbox/trunk/setuptools@53268 6015fed2-1504-0410-9fe1-9d1591cc4771

1 files changed, 44 insertions, 2 deletions

diff --git a/setuptools/command/install_egg_info.py b/setuptools/command/install_egg_info.py
index 193e91a..8f97263 100755
--- a/setuptools/command/install_egg_info.py
+++ b/setuptools/command/install_egg_info.py
@@ -57,9 +57,8 @@ class install_egg_info(Command):
         unpack_archive(self.source, self.target, skimmer)
 
     def install_namespaces(self):
-        nsp = (self.distribution.namespace_packages or [])[:]
+        nsp = self._get_all_ns_packages()
         if not nsp: return
-        nsp.sort()  # set up shorter names first
         filename,ext = os.path.splitext(self.target)
         filename += '-nspkg.pth'; self.outputs.append(filename)
         log.info("Installing %s",filename)
@@ -79,3 +78,46 @@ class install_egg_info(Command):
                     % locals()
                 )
             f.close()
+
+
+    def _get_all_ns_packages(self):
+        nsp = {}
+        for pkg in self.distribution.namespace_packages or []:
+            pkg = pkg.split('.')
+            while pkg:
+                nsp['.'.join(pkg)] = 1
+                pkg.pop()
+        nsp=list(nsp)
+        nsp.sort()  # set up shorter names first
+        return nsp
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