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# This is the entry-point for all Luxcena-Neo python-scripts
# The script should be in the same folder as this, and be named "script.py"
# In the future you could possibly have more files and stuff alongside the "script.py"-file as well
import sys
import json
import importlib
import datetime
import argparse
import configparser
import time
import threading
import select
import traceback
from os import path
from luxcena_neo.strip import Strip
def init_strip(strip_config_file):
""" Initialize a strip object with a config file path. """
print("> Loading pixel-configuration...")
strip_config_obj = configparser.ConfigParser()
strip_config_obj.read(args.strip_config)
strip_config = dict(strip_config_obj.items("DEFAULT"))
strip_config["matrix"] = json.loads(strip_config["matrix"].replace('"', ""))
strip_config["segments"] = [int(x) for x in strip_config["segments"].split(" ")]
strip_config["led_channel"] = int(strip_config["led_channel"])
strip_config["led_dma"] = int(strip_config["led_dma"])
strip_config["led_freq_hz"] = int(strip_config["led_freq_hz"])
strip_config["led_invert"] = (strip_config["led_invert"] == "false")
strip_config["led_pin"] = int(strip_config["led_pin"])
strip = Strip(strip_config)
return strip
def init_package(package_path, entry_module, strip):
""" Initialize the package we are going to run. """
print ("> Initializing package (mode)...")
sys.path.append(package_path)
module = importlib.import_module(entry_module)
module_entry_instance = module.Main(package_path)
# Make the strip instance available in our modules
setattr(module, "strip", strip)
module_entry_instance.declare_variables()
return module_entry_instance
def exec_module(module_executor_loop_func):
""" Create and start a new thread to run the package loop. """
th = threading.Thread(target=module_executor_loop_func, daemon=True)
th.start()
return th
class NeoRuntime:
def __init__(self, package_path, entry_module, strip_config_file):
self.__strip = init_strip(strip_config_file)
self.__module_entry_instance = init_package(package_path, entry_module, self.__strip)
self.__module_th = None
def start(self):
# The mode is starting in it's own thread
print("> Running the mode...")
self.__module_th = exec_module(self.__module_loop)
# This will run in this thread.
print("> Starting to listen on stdin")
try:
self.__command_listener_loop()
except KeyboardInterrupt:
print("Exiting...")
except Exception as e:
traceback.print_exc()
def __command_listener_loop(self):
last_send = time.perf_counter()
while True:
if not self.__module_th.is_alive(): break
while sys.stdin in select.select([sys.stdin], [], [], 0)[0]:
line = sys.stdin.readline()
if line:
line = line.replace("\n", "")
if (line[0:10] == ":::setvar:"):
name, value = (line.split(" ", 1)[1]).replace("\"", "").split(":", 1)
if name in self.__module_entry_instance.vars:
self.__module_entry_instance.vars[name] = value
elif (line[0:11] == ":::setglob:"):
name, value = (line.split(" ", 1)[1]).replace("\"", "").split(":", 1)
if name == "brightness":
self.__strip.brightness = int(value)
elif name == "power_on":
self.__strip.power_on = value == "true"
else:
print(f"Unknown globvar \"{name}\"")
else:
if (time.perf_counter() - last_send) > 0.5:
_vars = "{"
for name, var in self.__module_entry_instance.vars:
_vars += f" \"{name}\" : {{ \"value\": \"{var.value}\", \"var_type\": \"{var.var_type}\" }}, "
if len(_vars) > 2:
_vars = _vars[0:-2]
_vars += "}"
globvars = "{ \"power_on\": " + str(self.__strip.power_on).lower() + ", "
globvars += " \"brightness\":" + str(self.__strip.brightness) + " }"
print(f"{{ \":::data:\": {{ \"variables\": {_vars}, \"globvars\": {globvars} }} }}")
last_send = time.perf_counter()
def __module_loop(self):
self.__module_entry_instance.on_start()
self.__module_last_tick = time.perf_counter()
self.__module_last_second = time.perf_counter()
self.__module_last_minute = self.__module_last_second
self.__module_last_hour = self.__module_last_second
self.__module_last_day = self.__module_last_second
while True:
c_time = time.perf_counter()
try:
self.__module_tick(c_time, c_time - self.__module_last_tick)
except Exception as e:
traceback.print_exc()
self.__module_last_tick = time.perf_counter()
def __module_tick(self, runningtime, deltatime):
self.__module_entry_instance.each_tick()
if (runningtime - self.__module_last_second > 1):
self.__module_entry_instance.each_second()
self.__module_last_second = time.perf_counter()
if (((runningtime - self.__module_last_minute) % 60) > 1):
self.__module_entry_instance.each_minute()
self.__module_last_minute = time.perf_counter()
if (((runningtime - self.__module_last_hour) % 3600) > 1):
self.__module_entry_instance.each_minute()
self.__module_last_hour = time.perf_counter()
if (((runningtime - self.__module_last_day) % 86400) > 1):
self.__module_entry_instance.each_minute()
self.__module_last_day = time.perf_counter()
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument('--strip-config', help='Path to the strip config file.')
parser.add_argument('--mode-path', help='Path of the folder the mode is in.')
parser.add_argument('--mode-entry', help='Path of the module that is the entry-point of the module.')
args = parser.parse_args()
args.strip_config = args.strip_config.replace("\"", "")
args.mode_path = args.mode_path.replace("\"", "")
args.mode_entry = args.mode_entry.replace("\"", "")
if not path.exists(args.strip_config):
print(f"Strip config not found ({args.strip_config}).")
sys.exit(1)
if not path.exists(args.mode_path):
print(f"Mode path not found ({args.mode_path}).")
sys.exit(1)
if not path.exists(f"{args.mode_path}/{args.mode_entry}.py"):
print(f"Mode entry not found in mode path ({args.mode_path}/{args.mode_entry}).")
sys.exit(1)
print(f"StripConfig: {args.strip_config}")
print(f"Module : {args.mode_path}/{args.mode_entry}")
print(f"> Starting \"{args.mode_path}\" in NeoRuntime.")
runtime = NeoRuntime(args.mode_path, args.mode_entry, args.strip_config)
runtime.start()
print ("> NeoRuntime exited...")
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