Skip to main content
Version: V2.0.5.1

3.5.Implementation Details

Multithreading Synchronization Mechanisms​

1. Lock​

import threading

lock = threading.Lock()

# Use when modifying shared variables in multithreading
with lock:
    shared_variable = new_value  # Safe operation

2. Queue​

from queue import Queue

q = Queue(maxsize=1)  # Thread-safe queue

# Producer thread
q.put(data)

# Consumer thread
data = q.get(timeout=1)  # 1 second timeout

3. Event​

import threading

event = threading.Event()

# Thread 1: Wait for event
event.wait()  # Block until event is set

# Thread 2: Set event
event.set()

# Clear event
event.clear()

Exception Handling Pattern​

try:
    # Code that might fail
    result = network_call()
except Timeout:
    # Network timeout
    logging.error("Request timeout")
except ConnectionError:
    # Connection error
    logging.error("Connection failed")
except Exception as e:
    # All other exceptions
    logging.error(f"Unknown error: {e}")
    traceback.print_exc()  # Print stack trace
finally:
    # Executed regardless of exception
    cleanup_resources()

Streaming Processing Pattern​

# Generator: produce data one by one, not load all at once
def stream_data():
    for chunk in data_chunks:
        yield chunk

# Use generator
for chunk in stream_data():
    process(chunk)  # Process immediately, no need to wait for all data