some small cleanup

--HG--
branch : pmacs2

etags.py

@@ -15,7 +15,7 @@ class EtagsRunError(Exception): pass
 
 class TagManager(object):
     lang  = None
-    prune = ('SCCS', 'RCS', 'CVS', '.svn', '.hg', '.git', '.bzr')
+    prune = set(['SCCS', 'RCS', 'CVS', '.svn', '.hg', '.git', '.bzr'])
     exts  = set()
 
     def __init__(self, base='.'):
@@ -133,13 +133,13 @@ class Etags(object):
             raise
         size = int(size)
         subblock = data[n+1:n+size+1]
+
         # ...
         for lineitem in subblock.split('\n'):
-            if len(lineitem) == 0:
-                continue
+            if len(lineitem) == 0: continue
             record = self._parse_record(lineitem, filename)
             self._add_record(record)
-        return n+size+1
+        return n + size + 1
 
     def _parse_record(self, lineitem, filename):
         try:
@@ -177,12 +177,13 @@ class EtagRecord(object):
         return "%s [%s:%d]" % (self.name, self.path, self.line)
 
 
-
 if __name__ == '__main__':
     import sys 
     from pprint import pprint
+
     etags = Etags(sys.argv[1])
     etags.parse()
+
     if len(sys.argv) > 2:
         print etags[sys.argv[2]]
     else: