0.0°
Pitch (Forward/Back)
Initializing...
No measurements saved yet
--:--
Accelerometer:
Initializing...
Gyroscope:
Initializing...
Magnetometer:
Initializing...
Orientation:
Initializing...
'''
class LevelAppHandler(http.server.BaseHTTPRequestHandler):
"""Level & Elevation App HTTP Handler optimized for BlackBerry Passport"""
def log_message(self, format, *args):
"""Enable request logging"""
print(f"[{time.strftime('%H:%M:%S')}] {format % args}")
def do_GET(self):
"""Handle GET requests"""
try:
if self.path == '/':
self.serve_html()
elif self.path == '/api/measurements':
self.handle_measurements_api()
else:
self.send_error(404, 'Not Found')
except Exception as e:
print(f"GET request error: {e}")
self.send_error(500, 'Internal Server Error')
def do_POST(self):
"""Handle POST requests"""
try:
if self.path == '/api/save-measurement':
self.handle_save_measurement_api()
else:
self.send_error(404, 'Not Found')
except Exception as e:
print(f"POST request error: {e}")
self.send_error(500, 'Internal Server Error')
def serve_html(self):
"""Serve the main HTML page"""
try:
self.send_response(200)
self.send_header('Content-Type', 'text/html; charset=utf-8')
self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
self.send_header('Pragma', 'no-cache')
self.send_header('Expires', '0')
self.end_headers()
self.wfile.write(HTML_CONTENT.encode('utf-8'))
except Exception as e:
print(f"Error serving HTML: {e}")
self.send_error(500, 'Error loading page')
def send_json(self, data, status_code=200):
"""Send JSON response"""
try:
self.send_response(status_code)
self.send_header('Content-Type', 'application/json; charset=utf-8')
self.send_header('Cache-Control', 'no-cache, no-store, must-revalidate')
self.send_header('Pragma', 'no-cache')
self.send_header('Expires', '0')
self.end_headers()
json_str = json.dumps(data, separators=(',', ':'), ensure_ascii=False)
self.wfile.write(json_str.encode('utf-8'))
except Exception as e:
print(f"Error sending JSON: {e}")
self.send_error(500, 'JSON encoding error')
def handle_measurements_api(self):
"""Handle measurements API request"""
try:
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute('''
SELECT timestamp, pitch, roll, elevation, compass_heading, location_name, notes
FROM measurements
ORDER BY timestamp DESC
LIMIT 10
''')
results = cursor.fetchall()
conn.close()
measurements = []
for result in results:
measurements.append({
'timestamp': result[0],
'pitch': result[1],
'roll': result[2],
'elevation': result[3],
'heading': result[4],
'location': result[5],
'notes': result[6]
})
self.send_json({'measurements': measurements})
except Exception as e:
print(f"Error handling measurements API: {e}")
self.send_json({'error': 'Failed to load measurements'}, 500)
def handle_save_measurement_api(self):
"""Handle save measurement API request"""
try:
content_length = int(self.headers.get('Content-Length', 0))
post_data = self.rfile.read(content_length)
data = json.loads(post_data.decode('utf-8'))
conn = sqlite3.connect(DB_PATH)
cursor = conn.cursor()
cursor.execute('''
INSERT INTO measurements
(timestamp, pitch, roll, elevation, compass_heading, location_name, notes)
VALUES (?, ?, ?, ?, ?, ?, ?)
''', (
data.get('timestamp'),
data.get('pitch', 0),
data.get('roll', 0),
data.get('elevation', 0),
data.get('heading', 0),
data.get('location', ''),
data.get('notes', '')
))
conn.commit()
conn.close()
self.send_json({'status': 'success', 'message': 'Measurement saved'})
except Exception as e:
print(f"Error saving measurement: {e}")
self.send_json({'status': 'error', 'message': 'Failed to save measurement'}, 500)
class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
"""Threaded TCP Server for BlackBerry Passport applications"""
allow_reuse_address = True
daemon_threads = True
timeout = 30
def run_server(port=PORT):
"""Run the Level & Elevation App server"""
try:
# Initialize database
init_database()
print("=" * 60)
print("BlackBerry Passport Level & Elevation App")
print("=" * 60)
print(f"Port: {port}")
print(f"Database: {DB_PATH}")
print(f"Base Directory: {BASE_DIR}")
print("")
print("Features:")
print("- Digital level with bubble display")
print("- Pitch and roll measurements")
print("- Digital compass")
print("- Elevation angle calculation")
print("- Sensor calibration")
print("- Measurement history")
print("- ES5 compatible JavaScript")
print("- BlackBerry Passport optimized UI")
print("")
print(f"🚀 Starting server on http://localhost:{port}")
print("📱 Optimized for BlackBerry Passport")
print("📐 Ready to level your world!")
print("⏹️ Press Ctrl+C to stop")
print("=" * 60)
with ThreadedTCPServer(("", port), LevelAppHandler) as httpd:
httpd.serve_forever()
except KeyboardInterrupt:
print("\n" + "=" * 60)
print("👋 Shutting down Level & Elevation App")
print("=" * 60)
except Exception as e:
print(f"❌ Server error: {e}")
sys.exit(1)
if __name__ == "__main__":
run_server()