예제 #1
0
 def persist_pathways(self):
     ensure_dir(PATHWAY_FILE_PATH)
     try:
         f = open(PATHWAY_FILE_PATH, "w")  # write mode to replace any old version of the file
         # TODO need to make sure that changes aren't going to be lost with multiple instances
         # overwriting each other. For now just stick to workflows that will prevent this.
         pickle.dump(self._pathways, f)
         f.close()
     except IOError:
         raise IOError("unable to save pathways")
예제 #2
0
 def __init__(self):
     # Unpickle list of pathways if present
     ensure_dir(PATHWAY_FILE_PATH)
     try:
         f = open(PATHWAY_FILE_PATH, "r")
         self._pathways = pickle.load(f)
         f.close()
     except IOError:
         # file doesn't exist, use empty list
         self._pathways = []