Fix up the time processing, based on time processing fixes from

elsewhere (stupid replicated code; will need to fix in future).

Note that we need the 'compat' module here. Also another fix for
later.


git-svn-id: http://viewvc.tigris.org/svn/viewvc/trunk@539 8cb11bc2-c004-0410-86c3-e597b4017df7

lib/vclib/ccvs/rcsparse/common.py

@@ -22,6 +22,9 @@
 import time
 import string
 
+### compat isn't in vclib right now. need to work up a solution
+import compat
+
 
 class Sink:
   def set_head_revision(self, revision):
@@ -137,9 +140,17 @@ class _Parser:
       # Convert date into timestamp
       date_fields = string.split(date, '.') + ['0', '0', '0']
       date_fields = map(string.atoi, date_fields)
-      if date_fields[0] < 100:
-        date_fields[0] = date_fields[0] + 1900
-      timestamp = time.mktime(tuple(date_fields))
+      # need to make the date four digits for timegm
+      EPOCH = 1970
+      if date_fields[0] < EPOCH:
+          if date_fields[0] < 70:
+              date_fields[0] = date_fields[0] + 2000
+          else:
+              date_fields[0] = date_fields[0] + 1900
+          if date_fields[0] < EPOCH:
+              raise ValueError, 'invalid year'
+
+      timestamp = compat.timegm(tuple(date_fields))
 
       # Parse author
       semi, author, sym = self.ts.mget(3)