New Demo Programs - SDK Help used in the Udemy course

DemoPrograms/Demo_SDK_Help_Init_Update_Parms.py

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+import PySimpleGUI as sg
+import inspect
+
+"""
+    Displays a window showing the Init and Update parms for the PySimpleGUI Elements
+    
+    The Function based elements (e.g. Push) can be found using the Demo Program Demo_SDK_Help_Func_Parms.py
+    
+    If you've seen the Udemy course, then you saw this tool used in the element lessons
+    
+    The Pink parameter signify the "Common" paramters that are shared among many of the elements
+    
+    Copyright 2022 PySimpleGUI Project
+"""
+
+def main():
+    """
+    Display a window that displays the parms for the init and update methods for each element
+
+    """
+
+    common_parms = ['key','k','font','pad','p', 'visible','size','s', 'change_submits', 'enable_events','right_click_menu','tooltip','metadata', 'expand_x', 'expand_y']
+    element_classes = sg.Element.__subclasses__()
+    element_names = {element.__name__: element for element in element_classes}
+    element_names['Window'] = sg.Window
+    element_names['SystemTray'] = sg.SystemTray
+    # vars3 = [m for m in inspect.getmembers(sys.modules[__name__])]
+    element_arg_default_dict = {}
+    element_arg_default_dict_update = {}
+    for element in element_classes:
+        # Build info about init method
+        args = inspect.getfullargspec(element.__init__).args[1:]
+        defaults = inspect.getfullargspec(element.__init__).defaults
+        if len(args) != len(defaults):
+            diff = len(args) - len(defaults)
+            defaults = ('NO DEFAULT',)*diff + defaults
+        args_defaults = []
+        for i, a in enumerate(args):
+            args_defaults.append((a, defaults[i]))
+        element_arg_default_dict[element.__name__] = args_defaults
+
+        # Build info about update method
+        args = inspect.getfullargspec(element.update).args[1:]
+        defaults = inspect.getfullargspec(element.update).defaults
+        if args is None or defaults is None:
+            element_arg_default_dict_update[element.__name__] = (('',''),)
+            continue
+        if len(args) != len(defaults):
+            diff = len(args) - len(defaults)
+            defaults = ('NO DEFAULT',)*diff + defaults
+        args_defaults = []
+        for i, a in enumerate(args):
+            args_defaults.append((a, defaults[i]))
+        element_arg_default_dict_update[element.__name__] = args_defaults if len(args_defaults) else (('',''),)
+
+    sg.theme('black')
+    sg.theme_background_color('#131314')
+    sg.theme_text_element_background_color('#131314')
+    sg.theme_input_background_color('#131314')
+    ml = sg.Multiline(size=(40, 30), key='-ML-', write_only=True, reroute_stdout=True, expand_y=True, expand_x=True)
+    layout = [  [sg.Titlebar('Element Init & Update Parm Viewer', background_color='#131314', text_color='white')],
+                [sg.Combo([e for e in sorted(element_names.keys())],background_color='#131314', size=(25,30), enable_events=True, readonly=True, expand_x=True, key='-COMBO-')],
+              sg.vtop([ml], expand_y=True, expand_x=True) ] + [[sg.Sizegrip()]]
+    # layout += [[Button('Exit', size=(15, 1))]]
+
+    window = sg.Window('Init & Update Parms', layout, use_default_focus=False, keep_on_top=True, no_titlebar=True, margins=(0,0),font='Courier 12', right_click_menu=sg.MENU_RIGHT_CLICK_EDITME_EXIT, resizable=True)
+    # ml = window['-ML-']     # type: sg.MLine
+    while True:  # Event Loop
+        event, values = window.read()
+        if event in (sg.WIN_CLOSED, 'Exit'):
+            break
+        # ml.print(event, values)
+        if event == '-COMBO-':
+            element_chosen = values[event]
+        else:
+            element_chosen = None
+        if element_chosen in element_arg_default_dict:
+            window['-ML-'].update('')
+            ml.print('========== Init Parms ==========', background_color='#FFFF00', text_color='black')
+            for parm, default in element_arg_default_dict[element_chosen]:
+                ml.print(f'{parm:18}', text_color='hot pink' if parm in common_parms else 'green yellow', end=' = ')
+                ml.print(default, text_color='hot pink' if parm in common_parms else 'white', end = ',\n')
+            ml.print('========== Update Parms ==========', background_color='#FFFF00', text_color='black')
+            # print(element_arg_default_dict_update[element_chosen])
+            for parm, default in element_arg_default_dict_update[element_chosen]:
+                ml.print(f'{parm:18}', text_color='hot pink' if parm in common_parms else 'green yellow', end=' = ')
+                ml.print(default, text_color='hot pink' if parm in common_parms else 'white', end = ',\n')
+        elif event == 'Edit Me':
+            sg.execute_editor(__file__)
+
+    window.close()
+
+
+
+if __name__ == '__main__':
+    main()