mehrere oft verwendete Routinen in eigene utils.py eingebaut

lib/routing.py

@@ -8,24 +8,10 @@ import os
 import configparser
 import matplotlib.pyplot as plt
 
+from utils import load_json, to_json, write_results
+
 
 # Funktionen
-def load_json(jsonfilename):
-    with open(jsonfilename, encoding='utf-8') as fh:
-        return json.load(fh)
-    
-def write_results(jsnResults, outdir, filename):
-    """ write results to a json file
-    """
-    print("writing results to a json file ...")
-    outfile = Path(outdir) / filename
-    with open(outfile, 'w', encoding='utf-8') as fh:
-        fh.write(jsnResults)
-    print("done")
-
-def to_json(d, pretty: bool = True) -> str:
-    return json.dumps(d, indent=2 if pretty else None, ensure_ascii=False, default=str) #ensure_ascii false für darstellung von "ue"
-
 def create_plant(racks:dict, sensors:dict, distributors:dict, mapping:dict, tunnels: dict, tunlength:dict ) -> dict:
 
     # racks = {'Rack_1-0': [Point(0, 0), Point(0, 10)],