update pygments to support python3

vendor/pygments/scripts/check_sources.py

@@ -7,7 +7,7 @@
     Make sure each Python file has a correct file header
     including copyright and license information.
 
-    :copyright: Copyright 2006-2012 by the Pygments team, see AUTHORS.
+    :copyright: Copyright 2006-2013 by the Pygments team, see AUTHORS.
     :license: BSD, see LICENSE for details.
 """
 
@@ -30,7 +30,7 @@ def checker(*suffixes, **kwds):
 
 
 name_mail_re = r'[\w ]+(<.*?>)?'
-copyright_re = re.compile(r'^    :copyright: Copyright 2006-2012 by '
+copyright_re = re.compile(r'^    :copyright: Copyright 2006-2013 by '
                           r'the Pygments team, see AUTHORS\.$', re.UNICODE)
 copyright_2_re = re.compile(r'^                %s(, %s)*[,.]$' %
                             (name_mail_re, name_mail_re), re.UNICODE)

vendor/pygments/scripts/detect_missing_analyse_text.py

@@ -8,6 +8,8 @@ def main():
 
     for name, aliases, filenames, mimetypes in get_all_lexers():
         cls = find_lexer_class(name)
+        if not cls.aliases:
+            print cls, "has no aliases"
         for f in filenames:
             if f not in uses:
                 uses[f] = []

vendor/pygments/scripts/find_codetags.py

@@ -7,7 +7,7 @@
     Find code tags in specified files and/or directories
     and create a report in HTML format.
 
-    :copyright: Copyright 2006-2012 by the Pygments team, see AUTHORS.
+    :copyright: Copyright 2006-2013 by the Pygments team, see AUTHORS.
     :license: BSD, see LICENSE for details.
 """
 

vendor/pygments/scripts/find_error.py

@@ -8,17 +8,16 @@
     the text where Error tokens are being generated, along
     with some context.
 
-    :copyright: Copyright 2006-2012 by the Pygments team, see AUTHORS.
+    :copyright: Copyright 2006-2013 by the Pygments team, see AUTHORS.
     :license: BSD, see LICENSE for details.
 """
 
 import sys, os
 
-try:
-    import pygments
-except ImportError:
-    # try parent path
-    sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+# always prefer Pygments from source if exists
+srcpath = os.path.join(os.path.dirname(__file__), '..')
+if os.path.isdir(os.path.join(srcpath, 'pygments')):
+    sys.path.insert(0, srcpath)
 
 
 from pygments.lexer import RegexLexer