task_test.py

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# Copyright (c) 2016-2019, Portland State University
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import epastack.backend.backend
import epastack.backend.backendConfig
import json


'''
This file was written to test the feasibility of writing and loading Tasks to and from
JSON. 

The Task object itself is not serializable; saving the argsdict instead appears to be 
the better option.
'''



def load_tasks_from_file(filename):

    tasksdict = epastack.backend.backend.Task.load_tasks_from_text(filename)

    for taskname in tasksdict.keys():
        t = epastack.backend.backend.Task(tasksdict[taskname])
        print "Task: "
        print t
        raw_input("ENTER for again...")



def task_dump():
    argsdict = {}

    # All user-input values will be interpreted as ints unless prepended with 's ' or 'f '
    for item in epastack.backend.backend.Task.param_names.keys():
        print item
        vals = raw_input("Desired Value: ").split(' ')
        if len(vals) == 1:
            arg = int(vals[0])
            argsdict[item] = arg
        elif vals[0] == 's':
            arg = vals[1]
            argsdict[item] = arg
        elif vals[0] == 'f':
            arg = float(vals[1])
            argsdict[item] = arg

    #t = epastack.backend.backend.Task(argsdict)    # Runtime error

    print "dumping Task..."

    with open("testfile.json", 'w+') as fname:
        json.dump(argsdict, fname)

def task_load():
    print "loading..."

    with open("testfile.json", 'r') as fname:
        contents = json.load(fname)

    print "contents:"
    print contents

    t = epastack.backend.backend.Task(contents)

    print "task: "
    print t


#task_dump()
#task_load()
load_tasks_from_file('epastack/backend/tasks.txt')
print "Done."