+ def process(self, scenario_name, steps="all", **kwargs):
+ scenario = self.scenarios[scenario_name]
+ selected_steps = []
+
+ if type(steps) == str or type(steps) == int:
+ selected_steps += self.select_steps(scenario, steps)
+ else:
+ for step in steps:
+ selected_steps += self.select_steps(scenario, step)
+ for step in selected_steps:
+ self.process_step(scenario_name, step, kwargs)
+
+ def process_step(self, scenario_name, step, kwargs):
+ process_name = "process_{}__{}_{}".format(scenario_name, step["number"], step["name"])
+ self.market.report.log_stage("{}_begin".format(process_name))
+ if "begin" in step.get("fetch_balances", []):
+ self.market.balances.fetch_balances(tag="{}_begin".format(process_name))
+
+ for action in self.ordered_actions:
+ if action in step:
+ self.run_action(action, step[action], kwargs)
+
+ if "end" in step.get("fetch_balances", []):
+ self.market.balances.fetch_balances(tag="{}_end".format(process_name))
+ self.market.report.log_stage("{}_end".format(process_name))
+
+ def method_arguments(self, action):
+ import inspect
+
+ if action == "wait_for_recent":
+ method = portfolio.Portfolio.wait_for_recent
+ elif action == "prepare_trades":
+ method = self.market.prepare_trades
+ elif action == "prepare_orders":
+ method = self.market.trades.prepare_orders
+ elif action == "move_balances":
+ method = self.market.move_balances
+ elif action == "run_orders":
+ method = self.market.trades.run_orders
+ elif action == "follow_orders":
+ method = self.market.follow_orders
+ elif action == "close_trades":
+ method = self.market.trades.close_trades
+
+ signature = inspect.getfullargspec(method)
+ defaults = signature.defaults or []
+ kwargs = signature.args[-len(defaults):]
+
+ return [method, kwargs]
+
+ def parse_args(self, action, default_args, kwargs):
+ method, allowed_arguments = self.method_arguments(action)
+ args = {k: v for k, v in {**default_args, **kwargs}.items() if k in allowed_arguments }
+
+ if "repartition" in args and "base_currency" in args["repartition"]:
+ r = args["repartition"]
+ r[args.get("base_currency", "BTC")] = r.pop("base_currency")
+
+ return method, args
+
+ def run_action(self, action, default_args, kwargs):
+ method, args = self.parse_args(action, default_args, kwargs)
+
+ if action == "wait_for_recent":
+ method(self.market, **args)
+ else:
+ method(**args)