import re
import urlparse

def parsename(fullname):
    parts = re.search("(?P<name>[^\(]*)(\((?P<uri>\S+)\))*", fullname)
    if parts:
        parts = parts.groupdict()
        if parts['uri'] and parts['name']:
            parts['name'] = parts['name'].strip()
            urlparts = urlparse.urlparse(parts['uri'])
            if not urlparts[0]:
                if urlparts[2].find("@") > 0:
                    urlparts = list(urlparts)
                    urlparts[0] = "mailto"
                else:
                    return {}
            parts['uri'] = urlparse.urlunparse(urlparts)
            return parts
    return {}

def safeparsename(fullname):
    parts = parsename(fullname)
    if not parts:
        parts = {'uri': '', 'name': 'anonymous'}
    return parts