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/plugins/import/ImportCsv.py

@@ -124,8 +124,7 @@ class UnicodeWriter(object):
         self.queue.truncate(0)
 
     def writerows(self, rows):
-        for row in rows:
-            self.writerow(row)
+        map(self.writerow, rows)
 
     def close(self):
         self.stream.close()