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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def post(self, id=None):
 """ Create a new object resource :json: Object to create :returns: json string representation :rtype: JSON """

        try:

            try:
                base_object = json_util.loads(self.request.body)
            except TypeError:
                base_object = json_util.loads(self.request.body.decode())

            #assert not hasattr(base_object, "_id")

            toa = self.request.headers.get("Caesium-TOA", None)

            if toa:
                # Async create flow
                stack = AsyncSchedulableDocumentRevisionStack(self.client.collection_name, self.settings)

                revision_id = yield stack.push(base_object, toa=int(toa), meta=self._get_meta_data())
                resource = yield stack.preview(revision_id)

                if isinstance(revision_id, str):
                    self.set_header("Caesium-TOA", toa)
                    self.return_resource(resource.get("snapshot"))
                else:
                    self.raise_error(404, "Revision not scheduled for object: %s" % id)

            else:

                id = yield self.client.insert(base_object)
                base_object = yield self.client.find_one_by_id(id)

                self.return_resource(base_object)

        except ValidationError as vex:
            self.logger.error("%s validation error" % self.object_name, vex)
            self.raise_error(400, "Your %s cannot be created because it is missing required fields, see docs" % self.object_name)
        except ValueError as ex:
            self.raise_error(400, "Invalid JSON Body, check formatting. %s" % ex[0])
        except Exception as ex:
            self.logger.error(ex)
            self.raise_error()