Use built-in functions to replace for loops:

Old code:

for x in y:
  f(x)

New Code:

map(f, y)

Also use defaultdict instead of simple dict when advantageous and use list comprehensions
instead of for loops where map() could be used but requires lambdas.


svn: r14135

src/gen/db/base.py

@@ -1601,7 +1601,8 @@ class DbWriteBase(object):
             self.set_default_person_handle(None)
     
         # loop through the family list 
-        for family_handle in filter(None, person.get_family_handle_list()):
+        for family_handle in person.get_family_handle_list():
+            if not family_handle: continue
     
             family = self.get_family_from_handle(family_handle)