Move embedded .py files to virtualenv_embedded_support

Create new top level directory: virtualenv_embedded_support to hold
embedded .py files, so that they can be distributed in the source
tarball.

Fixes #199

MANIFEST.in

@@ -1,9 +1,10 @@
 recursive-include docs *.txt
 recursive-include scripts *
 recursive-include virtualenv_support *.egg *.tar.gz
+recursive-include virtualenv_embedded_support *.py
 recursive-exclude virtualenv_support *.py
 recursive-exclude docs/_templates *.*
 include virtualenv_support/__init__.py
 include *.py
 include AUTHORS.txt
-include LICENSE.txt
+include LICENSE.txt

bin/rebuild-script.py

@@ -29,7 +29,12 @@ def rebuild():
         varname = match.group(2)
         data = match.group(3)
         print('Found reference to file %s' % filename)
-        f = open(os.path.join(here, '..', 'virtualenv_support', filename), 'rb')
+        if filename.endswith('.py'):
+            pathname = os.path.join(here, '..', 'virtualenv_embedded_support',
+                                    filename)
+        else:
+            pathname = os.path.join(here, '..', 'virtualenv_support', filename)
+        f = open(pathname, 'rb')
         c = f.read()
         f.close()
         new_data = c.encode('zlib').encode('base64')

bin/refresh-support-files.py

@@ -12,6 +12,7 @@
 
 here = os.path.dirname(__file__)
 support_files = os.path.join(here, '..', 'virtualenv_support')
+embedded_support_files = os.path.join(here, '..', 'virtualenv_embedded_support')
 
 files = [
     ('http://peak.telecommunity.com/dist/ez_setup.py', 'ez_setup.py'),
@@ -31,7 +32,10 @@ def main():
         content = f.read()
         f.close()
         print('done.')
-        filename = os.path.join(support_files, filename)
+        if filename.endswith('.py'):
+            filename = os.path.join(embedded_support_files, filename)
+        else:
+            filename = os.path.join(support_files, filename)
         if os.path.exists(filename):
             f = open(filename, 'rb')
             cur_content = f.read()