from django.conf import settings
import markdown

def signature_markdown(acl, text):
    md = markdown.Markdown(
                           safe_mode='escape',
                           output_format=settings.OUTPUT_FORMAT)
    
    if not acl.usercp.allow_signature_links():
        del md.inlinePatterns['link']
        del md.inlinePatterns['autolink']
    if not acl.usercp.allow_signature_images():
        del md.inlinePatterns['image_link']
        del md.inlinePatterns['image_reference']
        
    del md.parser.blockprocessors['hashheader']
    del md.parser.blockprocessors['setextheader']
    del md.parser.blockprocessors['code']
    del md.parser.blockprocessors['quote']
    del md.parser.blockprocessors['hr']
    del md.parser.blockprocessors['olist']
    del md.parser.blockprocessors['ulist']
    
    return md.convert(text)


def post_markdown(request, text):
    md = markdown.Markdown(
                           safe_mode='escape',
                           output_format=settings.OUTPUT_FORMAT)
    return md.convert(text)