def _update_version_data(self, result, info):
        name = info.pop('name')
        version = info.pop('version')
        if version in result:
            dist = result[version]
            md = dist.metadata
        else:
            dist = make_dist(name, version, scheme=self.scheme)
            md = dist.metadata
        dist.digest = digest = self._get_digest(info)
        url = info['url']
        result['digests'][url] = digest
        if md.source_url != info['url']:
            md.source_url = self.prefer_url(md.source_url, url)
            result['urls'].setdefault(version, set()).add(url)
        dist.locator = self
        result[version] = dist
Call receiver with arguments and an appropriate subset of named
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/site-packages/pip/_vendor/distlib/locators.py/Locator._update_version_data--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/dispatch/robustapply.py/robustApply