import xmlrpclib
import pprint
import re

import portage

from euscan import helpers
import euscan

def can_handle(cpv, url):
    return url.startswith('mirror://pypi/')

def guess_package(cp, url):
    match = re.search('mirror://pypi/\w+/(.*)/.*', url)
    if match:
        return match.group(1)

    cat, pkg = cp.split("/")

    return pkg

def scan(cpv, url):
    'http://wiki.python.org/moin/PyPiXmlRpc'


    package = guess_package(cpv, url)

    euscan.output.einfo("Using PyPi XMLRPC: " + package)

    client = xmlrpclib.ServerProxy('http://pypi.python.org/pypi')
    versions = client.package_releases(package)

    if not versions:
        return versions

    versions.reverse()

    cp, ver, rev = portage.pkgsplit(cpv)

    ret = []

    for version in versions:
        if helpers.version_filtered(cp, ver, version):
            continue
        urls = client.release_urls(package, version)
        urls = " ".join([ infos['url'] for infos in urls ])
        ret.append(( urls, version ))

    return ret

def brute_force(cpv, url):
    return []
