[library-web] let version_cmp compare version number parts that wouldn't be numbers

[Frederic Peters <fpeters src gnome org>]

commit 6052f571c21a8e1e4f692487e1d8ade8a0e91e15
Author: Frédéric Péters <fpeters 0d be>
Date:   Wed Aug 26 17:01:50 2009 +0200

    let version_cmp compare version number parts that wouldn't be numbers

 src/utils.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/utils.py b/src/utils.py
index 1d6fca6..de43d8b 100644
--- a/src/utils.py
+++ b/src/utils.py
@@ -63,6 +63,12 @@ class FakeTarInfo:
     def __repr__(self):
         return '<FakeTarInfo \'%s\'>' % self.name
 
+def tryint(x):
+    try:
+        return int(x)
+    except ValueError:
+        return x
+
 def version_cmp(x, y):
     # returns < 0 if x < y, 0 if x == y, and > 0 if x > y
     if x == 'nightly' and y == 'nightly':
@@ -72,7 +78,7 @@ def version_cmp(x, y):
     elif y == 'nightly':
         return -1
     try:
-        return cmp([int(j) for j in x.split('.')], [int(k) for k in y.split('.')])
+        return cmp([tryint(j) for j in x.split('.')], [tryint(k) for k in y.split('.')])
     except ValueError:
         logging.warning('failure in version_cmp: %r vs %r' % (x, y))
         return 0