runSim.py

'''
Runs a simulation

Command line args:
	-cfg: Path to simulation cfg json. Defaults to "SimulationSettings/test.json
	-log: Determine output level for agent/controller log files. Options are [CRITICAL, ERROR, WARNING, INFO, DEBUG]. Defaults to WARNING.
'''
import argparse
import json
import traceback
import os

from SimulationRunner import RunSimulation


def runSim(settingsFilePath, logLevel="INFO"):
	try:
		if (not os.path.exists(settingsFilePath)):
			raise ValueError("\"{}\" does not exist".format(settingsFilePath))

		fileDict = {}
		try:
			file = open(settingsFilePath, "r")
			fileDict = json.load(file)
			file.close()
		except:
			print(traceback.format_exc())
			raise ValueError("Could not open \"{}\"".format(settingsFilePath))

		outputDirPath = None
		if ("name" in fileDict):
			print("#### {} ####".format(fileDict["name"]))
			outputDirPath = os.path.join("OUTPUT", fileDict["name"])

		if ("description" in fileDict):
			description = fileDict["description"]
			print("\n{}\n".format(description))

		if (not "settings" in fileDict):
			raise ValueError("\"settings\" missing from \"{}\"".format(settingsFilePath))

		settingsDict = fileDict["settings"]
		RunSimulation(settingsDict, logLevel, outputDir=outputDirPath)
	except:
		print(traceback.format_exc())

if __name__ == "__main__":
	parser = argparse.ArgumentParser()
	parser.add_argument("-cfg", dest="cfgPath", default="SimulationSettings\\test.json", help="Path to simulation cfg json. Defaults to \"SimulationSettings\\test.json\"")
	parser.add_argument("-log", dest="logLevel", default="INFO", help="Determine output level for generated agent/controller log files. Options are [CRITICAL, ERROR, WARNING, INFO, DEBUG]. Defaults to INFO.")

	args = parser.parse_args()

	settingsFilePath = args.cfgPath
	runSim(settingsFilePath, args.logLevel)