Pier CeccoPierangioliEugenio
5 months ago
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GitHub
19 changed files with 392 additions and 163 deletions
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Summary of the main pyTermTk Threading (26/Oct/2025) [8148cf0a] |
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```text |
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MainThread (mainlop) |
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│ └─▶ Wait on inputQueue ─> Signal ┬─▶ inputEvent |
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│ ▲ └─▶ pasteEvent |
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│ │ |
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│ (push to inputQueue) |
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├─▶ TTkInput Thread │ |
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│ └─▶ Wait on select(Stdin) |
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│ |
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└─▶ TTk (Draw) |
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└─▶ Wait on timeout (~65 fps) ──▶ Refresh Screen |
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``` |
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import threading |
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import traceback |
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def custom_thread_excepthook(args): |
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""" |
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Args is a named tuple with: |
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- exc_type: Exception class |
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- exc_value: Exception instance |
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- exc_traceback: Traceback object |
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- thread: Thread object where exception occurred |
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""" |
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print(f"Thread {args.thread.name} crashed!") |
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print(f"Exception: {args.exc_type.__name__}: {args.exc_value}") |
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# Print full traceback like default handler |
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print("\nFull traceback:") |
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traceback.print_exception(args.exc_type, args.exc_value, args.exc_traceback, colorize=True) |
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# Or to match default format exactly: |
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# ßsys.stderr.write(f"\n\nPIPPO\n\nException in thread {args.thread.name}:\n") |
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# traceback.print_exception(args.exc_type, args.exc_value, args.exc_traceback, file=sys.stderr) |
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# Set custom handler |
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threading.excepthook = custom_thread_excepthook |
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# Example thread that will crash |
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def worker(): |
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raise ValueError("Something went wrong!") |
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thread = threading.Thread(name='Pippo', target=worker) |
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try: |
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thread.start() |
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thread.join() |
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except Exception as e: |
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print(e) |
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print('EUGENIO') |
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@ -0,0 +1,70 @@
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#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2025 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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import sys, os |
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import threading |
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sys.path.append(os.path.join(sys.path[0],'../../libs/pyTermTk')) |
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import TermTk as ttk |
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ttk.TTkLog.use_default_file_logging() |
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@ttk.pyTTkSlot() |
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def _raise(): |
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raise Exception('_raise FAIL!!!') |
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class Fail(ttk.TTkWidget): |
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fail_state:bool = False |
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def mousePressEvent(self, evt): |
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Fail.fail_state = True |
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self.update() |
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return True |
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def paintEvent(self, canvas): |
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if Fail.fail_state: |
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raise Exception('Fail FAIL!!!') |
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canvas.fill(color=ttk.TTkColor.BG_RED) |
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canvas.drawText(text='X', pos=(2,1)) |
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timer = ttk.TTkTimer() |
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timer.timeout.connect(_raise) |
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root = ttk.TTk() |
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# simulate error |
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# Fail in the main Thread |
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ttk.TTkButton(parent=root,text=' X ',border=True).clicked.connect(_raise) |
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# Fail in the draw Thread |
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Fail(parent=root,pos=(0,3), size=(5,3)) |
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# Generic Failure on a generic thread |
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ttk.TTkButton(parent=root,pos=(0,6),text=' X ',border=True).clicked.connect(lambda:threading.Thread(target=_raise).start()) |
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# Generic Failure on a TTkTimer |
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ttk.TTkButton(parent=root,pos=(0,9),text=' X ',border=True).clicked.connect(lambda:timer.start()) |
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# Generic Quit |
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ttk.TTkButton(parent=root,pos=(0,13),text=' X ',border=True).clicked.connect(root.quit) |
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ttk.TTkButton(parent=root,pos=(0,16),text=' X ',border=True).clicked.connect(ttk.TTkHelper.quit) |
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win=ttk.TTkWindow(parent=root, pos=(5,0), size=(100,30), border=True, layout=ttk.TTkGridLayout()) |
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ttk.TTkLogViewer(parent=win) |
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root.mainloop() |
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