filters: import more modern scripts

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

filters/syntax-highlighting.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+
+# This script uses Pygments and Python3. You must have both installed for this to work.
+# http://pygments.org/
+# http://python.org/
+#
+# It may be used with the source-filter or repo.source-filter settings in cgitrc.
+#
+# The following environment variables can be used to retrieve the configuration
+# of the repository for which this script is called:
+# CGIT_REPO_URL        ( = repo.url       setting )
+# CGIT_REPO_NAME       ( = repo.name      setting )
+# CGIT_REPO_PATH       ( = repo.path      setting )
+# CGIT_REPO_OWNER      ( = repo.owner     setting )
+# CGIT_REPO_DEFBRANCH  ( = repo.defbranch setting )
+# CGIT_REPO_SECTION    ( = section        setting )
+# CGIT_REPO_CLONE_URL  ( = repo.clone-url setting )
+
+
+import sys
+import cgi
+import codecs
+from pygments.lexers import get_lexer_for_filename
+from pygments import highlight
+from pygments.formatters import HtmlFormatter
+
+sys.stdin = codecs.getreader("utf-8")(sys.stdin.detach())
+doc = sys.stdin.read()
+try:
+	lexer = get_lexer_for_filename(sys.argv[1])
+	formatter = HtmlFormatter(style='pastie')
+	sys.stdout.write("<style>")
+	sys.stdout.write(formatter.get_style_defs('.highlight'))
+	sys.stdout.write("</style>")
+
+	highlight(doc, lexer, formatter, sys.stdout)
+except:
+	sys.stdout.write(str(cgi.escape(doc).encode("ascii", "xmlcharrefreplace"), "ascii"))