forked from zietzm/Helmholtz_Test_Bench
Martin Zietz
69 lines
2.6 KiB
Python
69 lines
2.6 KiB
Python
from os.path import exists
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import traceback
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from tkinter import messagebox
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import cage_func as func
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from User_Interface import HelmholtzGUI
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from User_Interface import ui_print
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import User_Interface as ui
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import globals as g
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import config_handling as config
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def program_end():
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g.exitFlag = True # tell everything else the application has been closed
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if g.app is not None:
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if g.app.pages[ui.ExecuteCSVMode].csv_thread is not None: # end possible csv execution thread
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g.app.pages[ui.ExecuteCSVMode].csv_thread.stop() # stop thread
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g.app.pages[ui.ExecuteCSVMode].csv_thread.join() # wait for thread to finish
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# g.app = None # reset to None so nothing tries to print in the UI output
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func.shut_down_all() # shut down devices
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if g.app is not None:
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g.app.destroy() # close application
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try: # start normal operations
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config.CONFIG_FILE = 'config.ini'
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# ToDo: remember what the last config file was
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if not exists(config.CONFIG_FILE):
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print("Config file not found, creating new from defaults.")
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config.reset_config_to_default(config.CONFIG_FILE)
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config.write_config_to_file(config.CONFIG_OBJECT)
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config.CONFIG_OBJECT = config.get_config_from_file(config.CONFIG_FILE)
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print("Starting setup...")
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func.setup_all() # initiate communication, set handles
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print("\nOpening User Interface...")
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g.app = HelmholtzGUI()
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g.exitFlag = False
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g.app.state('zoomed') # open maximized
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g.app.StatusDisplay.continuous_label_update(g.app, 500) # initiate regular Status Display updates (ms)
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ui_print("Program Initialized")
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config.check_config(config.CONFIG_OBJECT) # check config for values exceeding limits
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ui_print("\nStarting setup...") # do it again, so it is printed in the UI console ToDo: do it only once
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func.setup_all() # initiate communication, set handles
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g.app.protocol("WM_DELETE_WINDOW", program_end) # call program end function if user closes the application
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g.app.mainloop()
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except Exception as e: # if there is an error, print what happened
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print("\nAn error occurred, Shutting down.")
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# shop pup-up error message:
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message = "%s.\nSee python console traceback for more details. " \
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"\nShutting down devices, check equipment to confirm." % e
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messagebox.showerror("Error!", message)
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print(traceback.print_exc())
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program_end() # safely close everything and shut down devices
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# ToDo: rework window closing code https://bytes.com/topic/python/answers/431323-detect-tkinter-window-being-closed
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# https://stackoverflow.com/questions/14694408/runtimeerror-main-thread-is-not-in-main-loop
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# ToDo: logging
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