Enhanced setuptools infrastructure to support distutils extensions that

can be plugged in at setup() time to define new setup() arguments or
distutils commands.  This allows modularization and reuse of distutils
extensions in a way that was previously not possible.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041180

1 files changed, 7 insertions, 7 deletions

diff --git a/setuptools/command/egg_info.py b/setuptools/command/egg_info.py
index 8577230f..7d0a1473 100755
--- a/setuptools/command/egg_info.py
+++ b/setuptools/command/egg_info.py
@@ -9,7 +9,6 @@ from distutils.errors import *
 from distutils import log
 from pkg_resources import parse_requirements, safe_name, \
     safe_version, yield_lines, EntryPoint
-from setuptools.dist import iter_distribution_names
 
 class egg_info(Command):
 
@@ -39,6 +38,7 @@ class egg_info(Command):
 
 
 
+
     def finalize_options (self):
         self.egg_name = safe_name(self.distribution.get_name())
         self.egg_version = self.tagged_version()
@@ -149,7 +149,7 @@ class egg_info(Command):
     def write_toplevel_names(self):
         pkgs = dict.fromkeys(
             [k.split('.',1)[0]
-                for k in iter_distribution_names(self.distribution)
+                for k in self.distribution.iter_distribution_names()
             ]
         )
         toplevel = os.path.join(self.egg_info, "top_level.txt")
@@ -164,12 +164,8 @@ class egg_info(Command):
 
     def write_or_delete_dist_arg(self, argname, filename=None):
         value = getattr(self.distribution, argname, None)
-        if value is None:
-            return
-
         filename = filename or argname+'.txt'
         filename = os.path.join(self.egg_info,filename)
-
         if value:
             log.info("writing %s", filename)
             if not self.dry_run:
@@ -177,8 +173,12 @@ class egg_info(Command):
                 f.write('\n'.join(value))
                 f.write('\n')
                 f.close()
-
         elif os.path.exists(filename):
+            if value is None:
+                log.warn(
+                    "%s not set in setup(), but %s exists", argname, filename
+                )
+            return
             log.info("deleting %s", filename)
             if not self.dry_run:
                 os.unlink(filename)