added querying externals to the classes

--HG--
extra : rebase_source : 9b76763b0ba0dc1ac6de130b04f6bb5ebf546fe6

1 files changed, 22 insertions, 0 deletions

diff --git a/setuptools/svn_utils.py b/setuptools/svn_utils.py
index 3311d9cf..d36f64ea 100644
--- a/setuptools/svn_utils.py
+++ b/setuptools/svn_utils.py
@@ -49,6 +49,28 @@ class SVNEntries(object):
         all_revs = self.parse_revision_numbers() + [0]

         return max(all_revs)

 

+    def __get_cached_external_dirs(self):

+        return self.external_dirs

+

+    def get_external_dirs(self):

+        #regard the shell argument, see: http://bugs.python.org/issue8557

+        #       and http://stackoverflow.com/questions/5658622/python-subprocess-popen-environment-path

+        proc = _Popen(['svn', 'propget', self.path], 

+                      stdout=_PIPE, shell=(sys.platform=='win32'))

+        data = unicode(proc.communicate()[0], encoding='utf-8').splitlines()

+        data = [line.split() for line in data]

+

+        # http://svnbook.red-bean.com/en/1.6/svn.advanced.externals.html

+        #there appears to be three possible formats for externals since 1.5

+        #but looks like we only need the local relative path names so it's just

+        #2 either the first column or the last (of 2 or 3)

+        index = -1

+        if all("://" in line[-1] for line in data):

+            index = 0

+        

+        self.external_dirs = [line[index] for line in data]

+        return self.dir_data

+

 class SVNEntriesXML(SVNEntries):

     def is_valid(self):

         return True