Lighttpd

#!/usr/bin/env python

import re

# match a simplified form of rule with

# at least one extension

rule = re.compile("""

    ([a-z0-9\/.+-]+)

    \s+

    ([a-z0-9.+-][a-z0-9. +-]*)

""", re.IGNORECASE | re.VERBOSE)

print("mimetype.assign = (")

mime_file = open("/etc/mime.types", "r")

# collapse lines ending with a slash

text = re.sub(r"\\(\n|(\r\n?))", "", mime_file.read())

types = set()

for line in map(str.strip, text.splitlines()):

    # rule matching will prevent comments or

    # empty lines to pass

    match = rule.match(line)

    if not match:

        continue

    mime, exts = match.groups()

    for ext in exts.split():

        if not ext in types:

            types.add(ext)

            print('".%s" => "%s",' % (ext, mime.lower()))

print(")")