package.py 文件源码

def download_archive(self, src, dst):
    for x in self.env.PACKAGE_REPO:
        url = '/'.join((x, src))
        try:
            web = urlopen(url)
            try:
                if web.getcode() != 200:
                    continue
            except AttributeError:
                pass
        except Exception:
            # on python3 urlopen throws an exception
            # python 2.3 does not have getcode and throws an exception to fail
            continue
        else:
            tmp = self.root.make_node(dst)
            tmp.write(web.read())
            Logs.warn('Downloaded %s from %s' % (tmp.abspath(), url))
            break
    else:
        self.fatal('Could not get the package %s' % src)