Config file is now saved/loaded from an Appdata directory.

main.py

@@ -13,15 +13,14 @@ import src.csv_logging as log
 from src.magnetometer import MagnetometerProxy
 from src.user_interface import HelmholtzGUI
 from src.socket_control import SocketInterfaceThread
-from src.utility import ui_print, save_dict_list_to_csv
+from src.utility import ui_print
 
 
 def program_start():
     """ Application entry point """
     print("Starting application")
 
-    config.CONFIG_FILE = 'config.ini'  # set the config file path
-    # ToDo: remember what the last config file was
+    config.CONFIG_FILE = config.get_default_config_path()  # set the config file path
     if not exists(config.CONFIG_FILE):  # config file does not exist yet
         print("Config file not found, creating new from defaults.")
         config.reset_config_to_default()  # create configuration object from defaults

requirements.txt

@@ -1,6 +1,14 @@
+appdirs==1.4.4
+cycler==0.10.0
+future==0.18.2
+kiwisolver==1.3.2
+matplotlib==3.3.4
 numpy==1.19.3
-pyserial~=3.5
-future~=0.18.2
-pandas~=1.1.5
-matplotlib~=3.3.2
-scipy
+pandas==1.1.5
+Pillow==8.4.0
+pyparsing==2.4.7
+pyserial==3.5
+python-dateutil==2.8.2
+pytz==2021.3
+scipy==1.7.1
+six==1.16.0

src/config_handling.py

@@ -2,6 +2,8 @@
 # The configparser module is used for processing. Config files are of type .ini
 
 # import packages:
+import pathlib
+import appdirs
 from configparser import ConfigParser
 from tkinter import messagebox
 
@@ -132,3 +134,9 @@ def reset_config_to_default():  # reset values in config object to defaults (set
     config.add_section("Supplies")  # add section for PSU serial ports
     for key in g.default_psu_config.keys():  # go through dictionary of default serial ports
         config.set("Supplies", key, str(g.default_psu_config[key]))  # set the value for each axis
+
+
+def get_default_config_path():
+    config_folder = pathlib.Path(appdirs.user_config_dir(appname="helmholtz_test_bench", appauthor="IRS"))
+    config_folder.mkdir(parents=True, exist_ok=True)
+    return str(config_folder.joinpath("config.ini"))