phenny-1/modules/validate.py

#!/usr/bin/env python
"""
validate.py - Phenny Validation Module
Copyright 2008, Sean B. Palmer, inamidst.com
Licensed under the Eiffel Forum License 2.

http://inamidst.com/phenny/
"""

import web

def val(phenny, input): 
    """Check a webpage using the W3C Markup Validator."""
    if not input.group(2):
        return phenny.reply("Nothing to validate.")
    uri = input.group(2)
    if not uri.startswith('http://'): 
        uri = 'http://' + uri

    path = '/check?uri=%s;output=xml' % web.urllib.quote(uri)
    info = web.head('http://validator.w3.org' + path)

    result = uri + ' is '

    if isinstance(info, list): 
        return phenny.say('Got HTTP response %s' % info[1])

    if 'X-W3C-Validator-Status' in info: 
        result += str(info['X-W3C-Validator-Status'])
        if info['X-W3C-Validator-Status'] != 'Valid': 
            if 'X-W3C-Validator-Errors' in info: 
                n = int(info['X-W3C-Validator-Errors'].split(' ')[0])
                if n != 1: 
                    result += ' (%s errors)' % n
                else: result += ' (%s error)' % n
    else: result += 'Unvalidatable: no X-W3C-Validator-Status'

    phenny.reply(result)
val.rule = (['val'], r'(?i)(\S+)')
val.example = '.val http://www.w3.org/'

if __name__ == '__main__': 
    print(__doc__.strip())