def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def _checkProvenance(self, resp, item, version, user, eventType,
                         matches=None, fileInfo=None, resource='item'):
        if resp is None:
            resp = self._getProvenance(item, user, resource=resource)
        self.assertStatusOk(resp)
        itemProvenance = resp.json
        self.assertEqual(itemProvenance['resourceId'], str(item['_id']))
        provenance = itemProvenance['provenance']
        self.assertEqual(provenance['eventType'], eventType)
        self.assertEqual(provenance['version'], version)
        self.assertEqual(str(provenance['eventUser']), str(user['_id']))
        if matches:
            for key in matches:
                self.assertEqual(provenance[key], matches[key])
        if fileInfo:
            for key in fileInfo:
                if isinstance(fileInfo[key], dict):
                    for subkey in fileInfo[key]:
                        self.assertEqual(provenance['file'][0][key][subkey],
                                         fileInfo[key][subkey])
                else:
                    self.assertEqual(provenance['file'][0][key], fileInfo[key])