from typing import Dict, Any, List, Optional
import json
import asyncio
from datetime import datetime
from ..core.quantum_symbolic.circuit import QuantumCircuit
from ..core.quantum_symbolic.symbolic import SymbolicExpression
from .websocket_handler import websocket_manager
class QuantumSymbolicHandler:
def __init__(self):
self.active_computations: Dict[str, Dict[str, Any]] = {}
self.circuit_cache: Dict[str, QuantumCircuit] = {}
self.expression_cache: Dict[str, SymbolicExpression] = {}
async def _create_capability_expression(self, capability: str, config: Dict[str, Any]) -> Optional[Dict[str, Any]]:
"""Create a quantum symbolic expression for a given capability"""
try:
# Create quantum circuit based on capability type
circuit = QuantumCircuit(
num_qubits=config.get('numQubits', 5),
depth=config.get('circuitDepth', 3)
)
# Configure circuit based on computation type
computation_type = config.get('computationType', 'HYBRID')
if computation_type == 'PATTERN_MATCHING':
circuit.add_pattern_matching_gates()
elif computation_type == 'OPTIMIZATION':
circuit.add_optimization_gates()
elif computation_type == 'LOGICAL_INFERENCE':
circuit.add_inference_gates()
# Create symbolic expression
expression = SymbolicExpression.from_circuit(circuit)
# Cache the circuit and expression
computation_id = f"{capability}_{datetime.now().timestamp()}"
self.circuit_cache[computation_id] = circuit
self.expression_cache[computation_id] = expression
# Broadcast progress
await websocket_manager.broadcast_quantum_update(
progress=50,
details=f"Created quantum expression for {capability}"
)
return {
'id': computation_id,
'type': computation_type,
'circuit_params': circuit.get_parameters(),
'expression': expression.to_json()
}
except Exception as e:
await websocket_manager.broadcast_error(
error=f"Error creating quantum expression: {str(e)}",
details={'capability': capability}
)
return None
async def evaluate_expression(self, expression_id: str, inputs: Dict[str, Any]) -> Dict[str, Any]:
"""Evaluate a quantum symbolic expression with given inputs"""
try:
if expression_id not in self.expression_cache:
raise ValueError(f"Expression {expression_id} not found")
expression = self.expression_cache[expression_id]
circuit = self.circuit_cache[expression_id]
# Update computation status
self.active_computations[expression_id] = {
'status': 'running',
'progress': 0,
'start_time': datetime.now()
}
# Broadcast start
await websocket_manager.broadcast_quantum_update(
progress=0,
details="Starting quantum computation"
)
# Simulate quantum computation progress
for i in range(5):
await asyncio.sleep(0.1) # Simulate computation time
progress = (i + 1) * 20
self.active_computations[expression_id]['progress'] = progress
await websocket_manager.broadcast_quantum_update(
progress=progress,
details=f"Quantum computation in progress: {progress}%"
)
# Evaluate expression
result = expression.evaluate(inputs)
# Update circuit parameters based on result
circuit.update_parameters(result.get('circuit_updates', {}))
# Cache updated circuit
self.circuit_cache[expression_id] = circuit
# Update computation status
self.active_computations[expression_id].update({
'status': 'completed',
'progress': 100,
'end_time': datetime.now(),
'result': result
})
# Broadcast completion
await websocket_manager.broadcast_quantum_update(
progress=100,
details="Quantum computation completed"
)
return result
except Exception as e:
error_msg = f"Error evaluating expression: {str(e)}"
if expression_id in self.active_computations:
self.active_computations[expression_id].update({
'status': 'error',
'error': error_msg
})
await websocket_manager.broadcast_error(
error=error_msg,
details={'expression_id': expression_id}
)
return {'error': error_msg}
def get_computation_status(self, computation_id: str) -> Dict[str, Any]:
"""Get the status of a quantum computation"""
return self.active_computations.get(computation_id, {
'status': 'not_found',
'error': f"Computation {computation_id} not found"
})
def cleanup_old_computations(self, max_age_hours: int = 24):
"""Clean up old computation records"""
now = datetime.now()
to_remove = []
for comp_id, comp_data in self.active_computations.items():
start_time = comp_data.get('start_time')
if start_time and (now - start_time).total_seconds() > max_age_hours * 3600:
to_remove.append(comp_id)
for comp_id in to_remove:
del self.active_computations[comp_id]
if comp_id in self.circuit_cache:
del self.circuit_cache[comp_id]
if comp_id in self.expression_cache:
del self.expression_cache[comp_id]
# Global quantum symbolic handler instance
quantum_handler = QuantumSymbolicHandler()
