chore: improve typing and tests (#573)

.github/workflows/testing.yml

@@ -55,10 +55,10 @@ jobs:
         tools/check.import.sh
 
     - name: Install dependencies
+      shell: bash
       run: |
         python -m pip install --upgrade pip
-        python -m pip install flake8 pytest
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        python -m pip install -e 'libs/pyTermTk[test]'
 
     - name: Lint with flake8
       run: |

libs/pyTermTk/TermTk/TTkAbstract/abstractscrollview.py

@@ -503,7 +503,8 @@ class TTkAbstractScrollViewGridLayout(TTkGridLayout, TTkAbstractScrollViewInterf
             return
         self._excludeEvent = True
         for widget in self.iterWidgets():
-            widget.viewMoveTo(x,y)
+            if isinstance(widget, TTkAbstractScrollViewInterface):
+                widget.viewMoveTo(x,y)
         self._excludeEvent = False
         self._viewOffsetX = x
         self._viewOffsetY = y
@@ -595,9 +596,10 @@ class TTkAbstractScrollViewGridLayout(TTkGridLayout, TTkAbstractScrollViewInterf
         '''
         w,h=0,0
         for widget in self.iterWidgets():
-            ww,wh = widget.viewFullAreaSize()
-            w = max(w,ww)
-            h = max(h,wh)
+            if isinstance(widget, TTkAbstractScrollViewInterface):
+                ww,wh = widget.viewFullAreaSize()
+                w = max(w,ww)
+                h = max(h,wh)
         return w,h
 
     # Override this function
@@ -609,9 +611,10 @@ class TTkAbstractScrollViewGridLayout(TTkGridLayout, TTkAbstractScrollViewInterf
         '''
         w,h=0,0
         for widget in self.iterWidgets():
-            ww,wh = widget.viewDisplayedSize()
-            w = max(w,ww)
-            h = max(h,wh)
+            if isinstance(widget, TTkAbstractScrollViewInterface):
+                ww,wh = widget.viewDisplayedSize()
+                w = max(w,ww)
+                h = max(h,wh)
         return w,h
 
     def getViewOffsets(self) -> Tuple[int,int]:

libs/pyTermTk/TermTk/TTkCore/timer.py

@@ -23,9 +23,12 @@
 __all__ = ['TTkTimer']
 
 import importlib.util
+from typing import TYPE_CHECKING
+
+from .timer_interface import _TTkTimer_Interface as TTkTimer
 
 if importlib.util.find_spec('pyodideProxy'):
-    from .timer_pyodide import TTkTimer
+    from .timer_pyodide import _TTkTimer_Pyodide as TTkTimer
 else:
-    from .timer_unix import TTkTimer
+    from .timer_unix import _TTkTimer_Unix as TTkTimer
 

libs/pyTermTk/TermTk/TTkCore/timer_interface.py

@@ -0,0 +1,65 @@
+# MIT License
+#
+# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+__all__ = []
+
+from typing import Callable,Optional,Protocol
+
+from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot
+
+class _TTkTimer_Interface(Protocol):
+    '''Protocol defining the interface for timer implementations.'''
+
+    timeout: pyTTkSignal
+
+    def __init__(
+            self,
+            name: Optional[str] = None,
+            excepthook: Optional[Callable[[Exception], None]] = None) -> None:
+        '''Initialize timer with optional name and exception handler.
+
+        :param name: Optional name for the timer
+        :type name: str, optional
+        :param excepthook: Optional callback for exception handling
+        :type excepthook: Callable[[Exception], None], optional
+        '''
+        ...
+
+    def quit(self) -> None:
+        '''Stop the timer and cleanup resources.'''
+        ...
+
+    def run(self) -> None:
+        '''Main timer loop (typically runs in a thread).'''
+        ...
+
+    def start(self, sec: float = 0.0) -> None:
+        '''Start the timer with specified interval.
+
+        :param sec: Interval in seconds
+        :type sec: float
+        '''
+        ...
+
+    def stop(self) -> None:
+        '''Stop the timer without cleanup.'''
+        ...

libs/pyTermTk/TermTk/TTkCore/timer_pyodide.py

@@ -22,17 +22,18 @@
 
 from __future__ import annotations
 
-__all__ = ['TTkTimer']
+__all__ = []
 
 from typing import Optional,Callable,Dict
 
 from TermTk.TTkCore.helper import TTkHelper
 from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
+from TermTk.TTkCore.timer_interface import _TTkTimer_Interface
 
-import pyodideProxy
+import pyodideProxy  # type: ignore[import-not-found]
 
-class TTkTimer():
-    _timers:Dict[int,TTkTimer] = {}
+class _TTkTimer_Pyodide(_TTkTimer_Interface):
+    _timers:Dict[int,_TTkTimer_Pyodide] = {}
     _uid = 0
 
     __slots__ = (
@@ -50,38 +51,38 @@ class TTkTimer():
         self._running = True
         self._timer = None
 
-        self._id = TTkTimer._uid
-        TTkTimer._uid +=1
-        TTkTimer._timers[self._id] = self
+        self._id = _TTkTimer_Pyodide._uid
+        _TTkTimer_Pyodide._uid +=1
+        _TTkTimer_Pyodide._timers[self._id] = self
 
     @staticmethod
-    def triggerTimerId(tid):
-        if tid in TTkTimer._timers:
+    def triggerTimerId(tid) -> None:
+        if tid in _TTkTimer_Pyodide._timers:
             # Little hack to avoid deadloop in pyodide
             if rw := TTkHelper._rootWidget:
                 rw._paintEvent.set()
-            TTkTimer._timers[tid].timeout.emit()
+            _TTkTimer_Pyodide._timers[tid].timeout.emit()
 
     @staticmethod
-    def pyodideQuit():
-        for timer in TTkTimer._timers:
-            TTkTimer._timers[timer].timeout.clearAll()
-            TTkTimer._timers[timer]._running = False
-            TTkTimer._timers[timer].quit()
-        TTkTimer._timers = {}
+    def pyodideQuit() -> None:
+        for timer in _TTkTimer_Pyodide._timers:
+            _TTkTimer_Pyodide._timers[timer].timeout.clearAll()
+            _TTkTimer_Pyodide._timers[timer]._running = False
+            _TTkTimer_Pyodide._timers[timer].quit()
+        _TTkTimer_Pyodide._timers = {}
 
-    def quit(self):
+    def quit(self) -> None:
         pass
 
     @pyTTkSlot(float)
-    def start(self, sec=0.0):
+    def start(self, sec=0.0) -> None:
         self.stop()
         if self._running:
             self._timer = pyodideProxy.setTimeout(int(sec*1000), self._id)
             # pyodideProxy.consoleLog(f"Timer {self._timer}")
 
     @pyTTkSlot()
-    def stop(self):
+    def stop(self) -> None:
         # pyodideProxy.consoleLog(f"Timer {self._timer}")
         if self._timer:
             pyodideProxy.stopTimeout(self._timer)

libs/pyTermTk/TermTk/TTkCore/timer_unix.py

@@ -20,7 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-__all__ = ['TTkTimer']
+__all__ = []
 
 from typing import Optional,Callable
 
@@ -28,8 +28,9 @@ import threading
 
 from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
 from TermTk.TTkCore.helper import TTkHelper
+from TermTk.TTkCore.timer_interface import _TTkTimer_Interface
 
-class TTkTimer(threading.Thread):
+class _TTkTimer_Unix(threading.Thread, _TTkTimer_Interface):
     __slots__ = (
         'timeout', '_delay',
         '_timer', '_quit', '_start',
@@ -51,14 +52,14 @@ class TTkTimer(threading.Thread):
         super().__init__(name=name)
         TTkHelper.quitEvent.connect(self.quit)
 
-    def quit(self):
+    def quit(self) -> None:
         TTkHelper.quitEvent.disconnect(self.quit)
         self.timeout.clear()
         self._quit.set()
         self._timer.set()
         self._start.set()
 
-    def run(self):
+    def run(self) -> None:
         try:
             while not self._quit.is_set():
                 self._start.wait()
@@ -73,7 +74,7 @@ class TTkTimer(threading.Thread):
                 raise e
 
     @pyTTkSlot(float)
-    def start(self, sec:float=0.0):
+    def start(self, sec:float=0.0) -> None:
         self._delay = sec
         self._timer.set()
         self._timer.clear()
@@ -82,5 +83,5 @@ class TTkTimer(threading.Thread):
             super().start()
 
     @pyTTkSlot()
-    def stop(self):
+    def stop(self) -> None:
         self._timer.set()

libs/pyTermTk/TermTk/TTkTestWidgets/tominspector.py

@@ -151,7 +151,12 @@ class TTkTomInspector(TTkContainer):
         self.setLayout(layout)
 
         self._domTree = TTkTree()
-        self._domTree.setHeaderLabels(["Object", "Class", "Visibility", "Layout"])
+        self._domTree.setHeaderLabels([
+            TTkString("Object"),
+            TTkString("Class"),
+            TTkString("Visibility"),
+            TTkString("Layout")
+        ])
         if TTkHelper._rootWidget:
             self._domTree.addTopLevelItem(TTkTomInspector._getTomTreeItem(TTkHelper._rootWidget._widgetItem))
 

libs/pyTermTk/pyproject.toml

@@ -39,6 +39,13 @@
 [tool.setuptools.packages.find]
     where = ["."]
 
+[project.optional-dependencies]
+    test = [
+        "pytest>=8.3.4",
+        "flake8>=7.2.0",
+        "mypy>=1.15.0"
+    ]
+
 [tool.setuptools.dynamic]
     version = {attr = "TermTk.__version__"}