Updated shabang to use env python3

src/fenrirscreenreader/core/brailleDriver.py

@@ -1,41 +1,85 @@
-#!/bin/python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-
 # Fenrir TTY screen reader
-# By Chrys, Storm Dragon, and contributers.
+# By Chrys, Storm Dragon, and contributors.
 
+import brlapi
 from fenrirscreenreader.core import debug
 
 class brailleDriver():
     def __init__(self):
         self._isInitialized = False
         self.deviceSize = None
+        self._brl = None
+        
     def initialize(self, environment):
+        """Initialize the BRLTTY connection."""
         self.env = environment
-        self._isInitialized = True        
+        try:
+            self._brl = brlapi.Connection()
+            self._brl.enterTtyMode()
+            self.deviceSize = self._brl.displaySize
+            self._isInitialized = True
+            return True
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Initializing braille failed:' + str(e),debug.debugLevel.ERROR)
+            return False
 
     def getDeviceSize(self):
+        """Get the size of the braille display."""
         if not self._isInitialized:
-            return (0,0)
-        return (0,0)
+            return (0, 0)
+        return self.deviceSize if self.deviceSize else (0, 0)
 
-    def writeText(self,text):
+    def writeText(self, text):
+        """Write text to the braille display."""
         if not self._isInitialized:
             return
+        try:
+            # Ensure text doesn't exceed display width
+            if self.deviceSize:
+                text = text[:self.deviceSize[0]]
+            self._brl.writeText(text)
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Writing braille failed:' + str(e),debug.debugLevel.ERROR)
 
     def connectDevice(self):
-        pass
+        """Attempt to connect to the braille device."""
+        try:
+            if self._brl:
+                self._brl.enterTtyMode()
+            return True
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Connecting braille failed:' + str(e),debug.debugLevel.ERROR)
+            return False
 
     def enterScreen(self, screen):
+        """Enter a new screen context."""
         if not self._isInitialized:
             return
+        try:
+            self._brl.enterTtyModeWithPath(screen)
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Entering screen failed:' + str(e),debug.debugLevel.ERROR)
 
-    def leveScreen(self):
+    def leaveScreen(self):
+        """Leave the current screen context."""
         if not self._isInitialized:
             return
+        try:
+            self._brl.leaveTtyMode()
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Leaving screen failed:' + str(e),debug.debugLevel.ERROR)
 
     def shutdown(self):
+        """Shutdown the braille driver."""
         if not self._isInitialized:
             return
-        self.leveScreen()
-        self._isInitialized = False            
+        try:
+            self.leaveScreen()
+            if self._brl:
+                self._brl.closeConnection()
+            self._brl = None
+            self._isInitialized = False
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('ERROR: Shutting down braille failed:' + str(e),debug.debugLevel.ERROR)

src/fenrirscreenreader/core/debug.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 from enum import Enum
 

src/fenrirscreenreader/core/debugManager.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # Debugger module for the Fenrir screen reader.
 
 from fenrirscreenreader.core import debug

src/fenrirscreenreader/core/speechDriver.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Fenrir TTY screen reader