introduced JSONConfigurable class and demanded class entry in config

recommerce/configuration/hyperparameter_config.py

@@ -260,5 +260,6 @@ def load(cls, filename: str) -> AttrDict:
 			config = json.load(config_file)
 		# HyperparameterConfigValidator.validate_config(config)
 		# config_attr_dict = cls.flat_and_convert_to_attrdict(config)
+		assert 'class' in config, "Every config file must contain a 'class' key"
 		print(config)
 		return AttrDict(config)

recommerce/configuration/json_configurable.py

@@ -0,0 +1,8 @@
+from abc import ABC, abstractmethod
+
+
+class JSONConfigurable(ABC):
+	@staticmethod
+	@abstractmethod
+	def get_configurable_fields(cls):
+		raise NotImplementedError

recommerce/market/circular/circular_sim_market.py

@@ -18,6 +18,10 @@ def get_competitor_classes() -> list:
 		import recommerce.market.circular.circular_vendors as c_vendors
 		return sorted(ut.filtered_class_str_from_dir('recommerce.market.circular.circular_vendors', dir(c_vendors), '.*CE.*Agent.*'))
 
+	@staticmethod
+	def get_configurable_fields() -> list:
+		return ['max_price', 'max_quality', 'production_price', 'number_of_customers']
+
 	def _setup_action_observation_space(self, support_continuous_action_space: bool) -> None:
 		# cell 0: number of products in the used storage, cell 1: number of products in circulation
 		self.max_storage = self.config.max_storage

recommerce/market/linear/linear_sim_market.py

@@ -16,6 +16,10 @@ def get_competitor_classes() -> list:
 		import recommerce.market.linear.linear_vendors as l_vendors
 		return sorted(ut.filtered_class_str_from_dir('recommerce.market.linear.linear_vendors', dir(l_vendors), '.*LE.*Agent.*'))
 
+	@staticmethod
+	def get_configurable_fields() -> list:
+		return ['max_price', 'max_quality', 'production_price', 'number_of_customers']
+
 	def _setup_action_observation_space(self, support_continuous_action_space: bool) -> None:
 		"""
 		The observation array has the following format:

recommerce/market/sim_market.py

@@ -1,10 +1,11 @@
-from abc import ABC, abstractmethod
+from abc import abstractmethod
 from typing import Tuple
 
 import gym
 import numpy as np
 from attrdict import AttrDict
 
+from recommerce.configuration.json_configurable import JSONConfigurable
 from recommerce.configuration.utils import filtered_class_str_from_dir
 
 # An offer is a market state that contains all prices and qualities
@@ -15,7 +16,7 @@
 # Third: vendor's actions from the former round which needs to be saved and influence the other's decision e.g. prices
 
 
-class SimMarket(gym.Env, ABC):
+class SimMarket(gym.Env, JSONConfigurable):
 	"""
 	The superclass to all market environments.
 	Abstract class that cannot be instantiated.

tests/test_data/configuration_files/market_config.json

@@ -1,4 +1,5 @@
 {
+	"class": "recommerce.market.circular.circular_sim_market.CircularEconomyRebuyPriceMonopoly",
 	"max_storage": 100,
 	"episode_length": 50,
 	"max_price": 10,

tests/test_data/configuration_files/rl_config.json

@@ -1,4 +1,5 @@
 {
+	"class": "recommerce.rl.q_learning.q_learning_agent.QLearningAgent",
 	"gamma": 0.99,
 	"batch_size": 8,
 	"replay_size": 350,