X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=sqlconvert%2Fprocess_tokens.py;h=886f36d46c02d1f824486593f3263bd06b3cb3b3;hb=b000a48daf78ac2a4c09adfc7bf44fd919764bd6;hp=cb14467ccf958b478d888714ebaa6240e10fede2;hpb=3ca451ce7cd26a5444c2dc3897f7559db062de59;p=sqlconvert.git

diff --git a/sqlconvert/process_tokens.py b/sqlconvert/process_tokens.py
index cb14467..886f36d 100644
--- a/sqlconvert/process_tokens.py
+++ b/sqlconvert/process_tokens.py
@@ -2,9 +2,13 @@
 from sqlparse.sql import Comment
 from sqlobject.converters import sqlrepr
 from sqlparse import parse
-from sqlparse.compat import PY3
 from sqlparse import tokens as T
 
+try:
+    xrange
+except NameError:
+    xrange = range
+
 
 def find_error(token_list):
     """Find an error"""
@@ -36,10 +40,6 @@ def escape_strings(token_list, dbname):
             token.normalized = token.value = value
 
 
-if PY3:
-    xrange = range
-
-
 class StatementGrouper(object):
     """Collect lines and reparse until the last statement is complete"""
 
@@ -54,6 +54,8 @@ class StatementGrouper(object):
 
     def process_lines(self):
         statements = parse(''.join(self.lines), encoding=self.encoding)
+        if not statements:
+            return
         last_stmt = statements[-1]
         for i in xrange(len(last_stmt.tokens) - 1, 0, -1):
             token = last_stmt.tokens[i]