Finalize single-source port for Py2.[67] and Py3.3+.

1 files changed, 9 insertions, 7 deletions

diff --git a/pygments/lexers/sql.py b/pygments/lexers/sql.py
index 94a131ff..4acc5372 100644
--- a/pygments/lexers/sql.py
+++ b/pygments/lexers/sql.py
@@ -42,8 +42,9 @@ import re
 
 from pygments.lexer import Lexer, RegexLexer, do_insertions, bygroups
 from pygments.token import Punctuation, \
-     Text, Comment, Operator, Keyword, Name, String, Number, Generic
+    Text, Comment, Operator, Keyword, Name, String, Number, Generic
 from pygments.lexers import get_lexer_by_name, ClassNotFound
+from pygments.util import iteritems
 
 from pygments.lexers._postgres_builtins import KEYWORDS, DATATYPES, \
      PSEUDO_TYPES, PLPGSQL_KEYWORDS
@@ -176,7 +177,7 @@ class PlPgsqlLexer(PostgresBase, RegexLexer):
     mimetypes = ['text/x-plpgsql']
 
     flags = re.IGNORECASE
-    tokens = dict((k, l[:]) for (k, l) in PostgresLexer.tokens.iteritems())
+    tokens = dict((k, l[:]) for (k, l) in iteritems(PostgresLexer.tokens))
 
     # extend the keywords list
     for i, pattern in enumerate(tokens['root']):
@@ -210,7 +211,7 @@ class PsqlRegexLexer(PostgresBase, RegexLexer):
     aliases = []    # not public
 
     flags = re.IGNORECASE
-    tokens = dict((k, l[:]) for (k, l) in PostgresLexer.tokens.iteritems())
+    tokens = dict((k, l[:]) for (k, l) in iteritems(PostgresLexer.tokens))
 
     tokens['root'].append(
         (r'\\[^\s]+', Keyword.Pseudo, 'psql-command'))
@@ -244,12 +245,13 @@ class lookahead(object):
     def send(self, i):
         self._nextitem = i
         return i
-    def next(self):
+    def __next__(self):
         if self._nextitem is not None:
             ni = self._nextitem
             self._nextitem = None
             return ni
-        return self.iter.next()
+        return next(self.iter)
+    next = __next__
 
 
 class PostgresConsoleLexer(Lexer):
@@ -277,7 +279,7 @@ class PostgresConsoleLexer(Lexer):
             insertions = []
             while 1:
                 try:
-                    line = lines.next()
+                    line = next(lines)
                 except StopIteration:
                     # allow the emission of partially collected items
                     # the repl loop will be broken below
@@ -314,7 +316,7 @@ class PostgresConsoleLexer(Lexer):
             # Emit the output lines
             out_token = Generic.Output
             while 1:
-                line = lines.next()
+                line = next(lines)
                 mprompt = re_prompt.match(line)
                 if mprompt is not None:
                     # push the line back to have it processed by the prompt