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Addition of flag to turn off the widget not created errors. Gets around Debug Print race condition

This commit is contained in:
PySimpleGUI 2022-04-06 15:20:06 -04:00
parent 935e430420
commit 9382772d3f
1 changed files with 19 additions and 10 deletions
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PySimpleGUI.py
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@ -1,6 +1,6 @@
#!/usr/bin/python3
version = __version__ = "4.59.0.1 Released 5-Apr-2022"
version = __version__ = "4.59.0.2 Released 5-Apr-2022"
_change_log = """
Changelog since 4.59.0 released to PyPI on 5-Apr-2022
@ -8,7 +8,10 @@ _change_log = """
4.59.0.1
Addition of the blocking parameter to the Print function. Enables using Print through an entire program with the last
Print call setting the blocking parameter so that the window doesn't close until user interacts with the Debug Output Window
4.59.0.2
Added SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS as a way to turn off checking for widgets to be finalized. Needed to get around some race conditions.
It's possible (likely) that a debug window is closed while printing to the debug window. This would normally generate an error. Use this flag to
turn off this error checking temporarily
"""
@ -606,7 +609,7 @@ CUSTOM_MENUBAR_METADATA_MARKER = 'This is a custom menubar'
SUPPRESS_ERROR_POPUPS = False
SUPPRESS_RAISE_KEY_ERRORS = True
SUPPRESS_KEY_GUESSING = False
SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS = False
ENABLE_TREEVIEW_869_PATCH = True
# These are now set based on the global settings file
@ -1549,8 +1552,10 @@ class Element():
if self.Widget is not None:
return True
else:
warnings.warn('You cannot Update element with key = {} until the window.read() is called or finalized=True when creating window'.format(self.Key),
UserWarning)
if SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS:
return False
warnings.warn('You cannot Update element with key = {} until the window.read() is called or finalized=True when creating window'.format(self.Key), UserWarning)
if not SUPPRESS_ERROR_POPUPS:
_error_popup_with_traceback('Unable to complete operation on element with key {}'.format(self.Key),
'You cannot perform operations (such as calling update) on an Element until:',
@ -16739,6 +16744,9 @@ class _DebugWin():
return
def Print(self, *args, end=None, sep=None, text_color=None, background_color=None, erase_all=False, font=None, blocking=None):
global SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS
suppress = SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS
SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS = True
sepchar = sep if sep is not None else ' '
endchar = end if end is not None else '\n'
if self.window is None: # if window was destroyed already re-open it
@ -16753,7 +16761,7 @@ class _DebugWin():
self.__init__(size=self.size, location=self.location, relative_location=self.relative_location, font=self.font, no_titlebar=self.no_titlebar,
no_button=self.no_button, grab_anywhere=self.grab_anywhere, keep_on_top=self.keep_on_top,
do_not_reroute_stdout=self.do_not_reroute_stdout, resizable=self.resizable, echo_stdout=self.echo_stdout, blocking=blocking)
if erase_all:
if erase_all:
self.window['-MULTILINE-'].update('')
if self.do_not_reroute_stdout:
end_str = str(end) if end is not None else '\n'
@ -16771,10 +16779,10 @@ class _DebugWin():
else:
print(*args, sep=sepchar, end=endchar)
# This is tricky....changing the button type depending on the blocking parm. If blocking, then the "Quit" button should become a normal button
if blocking:
if blocking and blocking != self.blocking:
self.quit_button.BType = BUTTON_TYPE_READ_FORM
self.quit_button.update(text='More')
else:
elif blocking != self.blocking:
self.quit_button.BType = BUTTON_TYPE_CLOSES_WIN_ONLY
self.quit_button.update(text='Quit')
@ -16782,6 +16790,8 @@ class _DebugWin():
if event == WIN_CLOSED or (not blocking and event == 'Quit'):
self.Close()
SUPPRESS_WIDGET_NOT_FINALIZED_WARNINGS = suppress
def Close(self):
if self.window.XFound: # increment the number of open windows to get around a bug with debug windows
Window._IncrementOpenCount()
@ -16790,8 +16800,7 @@ class _DebugWin():
def easy_print(*args, size=(None, None), end=None, sep=None, location=(None, None), relative_location=(None, None), font=None, no_titlebar=False,
no_button=False, grab_anywhere=False, keep_on_top=None, do_not_reroute_stdout=True, echo_stdout=False, text_color=None, background_color=None, colors=None, c=None,
erase_all=False, resizable=True, blocking=None):
no_button=False, grab_anywhere=False, keep_on_top=None, do_not_reroute_stdout=True, echo_stdout=False, text_color=None, background_color=None, colors=None, c=None, erase_all=False, resizable=True, blocking=None):
"""
Works like a "print" statement but with windowing options. Routes output to the "Debug Window"