Programmatically decide on the version of mycmp to use based on offlineimap.__version__

1 files changed, 19 insertions, 0 deletions

diff --git a/.offlineimap.py b/.offlineimap.py
index 2d1f5f9..eb6a9bf 100644
--- a/.offlineimap.py
+++ b/.offlineimap.py
@@ -1,8 +1,27 @@
+import offlineimap
 import re
 
 prioritized = ['INBOX', 'QueensU.INBOX']
 
 def mycmp(x, y):
+  if offlineimap.__version__ < '6.4':
+    return mycmp_oldofflineimap(x, y)
+  else:
+    return mycmp_newofflineimap(x, y)
+
+def mycmp_oldofflineimap(x, y):
+  for prefix in prioritized:
+    xsw = x.startswith(prefix)
+    ysw = y.startswith(prefix)
+    if xsw and ysw:
+      return cmp(x, y)
+    elif xsw:
+      return -1
+    elif ysw:
+      return +1
+  return cmp(x, y)
+
+def mycmp_newofflineimap(x, y):
   for prefix in prioritized:
     xsw = x.visiblename.startswith(prefix)
     ysw = y.visiblename.startswith(prefix)