Modernized z2_kgs code and updated it to work with Github.

CHANGES.rst

@@ -4,6 +4,8 @@ Changelog
 0.9 - unreleased
 ----------------
 
+- Modernized `z2_kgs` code and updated it to work with Github.
+
 - Modernized `ztk_kgs` code and skip the `zopeapp-versions` file for ZTK 2+.
 
 0.8 - 2010-09-09

src/zope/z2release/cli.py

@@ -2,12 +2,6 @@
 Generate an index file based on the version.cfg file of Zope 2
 in order to provide a version specific index page generated to be used
 in combination with easy_install -i <some_url>
-
-Usage:
-
-cli.py tags/2.12.0a3 /tmp/index/2.12.0a3
-cli.py branches/2.12 /tmp/index/2.12
-
 """
 
 import os
@@ -20,9 +14,14 @@
 
 
 def fetch_cfg(url, version_file):
-    print >>sys.stderr, 'Fetching %s' % url
-    data = urllib.urlopen(url).read()
-    file(version_file, 'w').write(data)
+    print('Fetching %s' % url)
+    response = urllib.urlopen(url)
+    if response.code == 200:
+        data = response.read()
+        with open(version_file, 'w') as fd:
+            fd.write(data)
+    else:
+        raise ValueError('Failed to fetch %s' % url)
 
 
 def write_versions(version_file, server, dirname):
@@ -44,19 +43,20 @@ def build_version_file(name, dirname, url, server):
 
 def main():
     if len(sys.argv) != 3:
-        print 'Usage: z2_kgs <tag-name> <destination-dirname>'
-        print 'Example: z2_kgs tags/2.12.1 /var/www/download.zope.org/Zope2/index/2.12.1/'
+        print('Usage: z2_kgs <tag-name> <destination-dirname>')
+        print('Example: z2_kgs 2.13.15 '
+            '/var/www/download.zope.org/Zope2/index/2.13.15/')
         sys.exit(1)
 
     tag = sys.argv[1]
     dirname = sys.argv[2]
     if not os.path.exists(dirname):
-        print >>sys.stderr, 'Creating index directory: %s' % dirname
+        print('Creating index directory: %s' % dirname)
         os.makedirs(dirname)
 
     server = Server('http://pypi.python.org/pypi')
 
-    url = 'http://svn.zope.org/*checkout*/Zope/%s/versions.cfg' % tag
+    url = 'https://raw.github.com/zopefoundation/Zope/%s/versions.cfg' % tag
     CP = build_version_file('versions.cfg', dirname, url, server)
 
     buildout = CP.options('buildout')