use __contains__, index or split instead of str.find
str.find return -1 when the substring is not found, -1 evaluate
to True and is a valid index, which can lead to bugs.
Using alternatives when possible makes the code clearer and less
prone to bugs. (and __contains__ is faster in microbenchmarks)
reverting a
changeset 3:107ce1ee2b43 backs out changeset 1:25a1420a55f8
merging with changeset 2:99a1acecff55
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
abort: invalid date: 'should fail'
transaction abort!
rollback completed
abort: date exceeds 32 bits: 100000000000000000
transaction abort!
rollback completed
abort: impossible time zone offset: 1400000
transaction abort!
rollback completed
Sun Jun 11 00:26:40 2006 -0400
Sat Apr 15 13:30:00 2006 +0200
Sat Apr 15 13:30:00 2006 +0000
Wed Feb 01 13:00:30 2006 -0500
Wed Feb 01 13:00:30 2006 +0000