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fix module 'eventlet.hubs' has no attribute 'handle_error'

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CakeCN
2026-01-07 23:57:25 +08:00
parent f8e0b461ba
commit 4dd2667785
1 changed files with 116 additions and 97 deletions
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109
code-server-like/app/__init__.py
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@@ -14,21 +14,11 @@ try:
import eventlet
import traceback
# 获取当前的 hub 实例
current_hub = hubs.get_hub()
# 保存原始的方法
original_handle_error = hubs.handle_error
# 只修改存在的属性，避免引用错误
if hasattr(hubs, 'trampoline'):
# 保存原始的trampoline方法
original_trampoline = hubs.trampoline
def custom_handle_error(context, type, value, tb):
# 捕获并打印所有 eventlet.hubs 相关错误，不再往外raise
print(f"[Eventlet Hub Error] Type: {type.__name__}, Value: {value}")
print(f"[Context] {context}")
print("[Traceback]")
traceback.print_tb(tb)
# 不再调用原始方法，直接返回，不往外传播错误
def custom_trampoline(fd, read=False, write=False, timeout=None, timeout_exc=None):
try:
return original_trampoline(fd, read, write, timeout, timeout_exc)
@@ -42,57 +32,82 @@ try:
return None
# 替换原始方法
hubs.handle_error = custom_handle_error
hubs.trampoline = custom_trampoline
# 同样处理 greenio 模块的所有相关方法，捕获所有异常
from eventlet import greenio
# 保存原始的 greenio 方法
# 保存并替换原始的 greenio 方法（只修改存在的方法）
if hasattr(greenio.base.GreenSocket, '_recv_loop'):
original_recv_loop = greenio.base.GreenSocket._recv_loop
original_recv_into = greenio.base.GreenSocket.recv_into
original_send_loop = greenio.base.GreenSocket._send_loop
original_send = greenio.base.GreenSocket.send
def safe_io_operation(io_func, *args, **kwargs):
"""安全执行 IO 操作，捕获所有异常"""
try:
return io_func(*args, **kwargs)
except Exception as e:
# 捕获所有 IO 操作异常
print(f"[Eventlet IO Error] {io_func.__name__}: {type(e).__name__}: {e}")
print("[Traceback]")
traceback.print_exc()
# 根据操作类型返回适当的默认值
if 'recv' in io_func.__name__ or 'read' in io_func.__name__:
return b'' if 'recv' in io_func.__name__ else ''
elif 'send' in io_func.__name__ or 'write' in io_func.__name__:
return 0
return None
def custom_recv_loop(self, recv_func, recv_args, *args, **kwargs):
return safe_io_operation(original_recv_loop, self, recv_func, recv_args, *args, **kwargs)
try:
return original_recv_loop(self, recv_func, recv_args, *args, **kwargs)
except Exception as e:
# 捕获所有 IO 操作异常
print(f"[Eventlet IO Error] _recv_loop: {type(e).__name__}: {e}")
print("[Traceback]")
traceback.print_exc()
# 返回空字节串继续运行
return b''
greenio.base.GreenSocket._recv_loop = custom_recv_loop
if hasattr(greenio.base.GreenSocket, 'recv_into'):
original_recv_into = greenio.base.GreenSocket.recv_into
def custom_recv_into(self, buffer, nbytes=0, flags=0):
return safe_io_operation(original_recv_into, self, buffer, nbytes, flags)
try:
return original_recv_into(self, buffer, nbytes, flags)
except Exception as e:
# 捕获所有 IO 操作异常
print(f"[Eventlet IO Error] recv_into: {type(e).__name__}: {e}")
print("[Traceback]")
traceback.print_exc()
# 返回 0 继续运行
return 0
greenio.base.GreenSocket.recv_into = custom_recv_into
if hasattr(greenio.base.GreenSocket, '_send_loop'):
original_send_loop = greenio.base.GreenSocket._send_loop
def custom_send_loop(self, send_func, data, *args, **kwargs):
return safe_io_operation(original_send_loop, self, send_func, data, *args, **kwargs)
try:
return original_send_loop(self, send_func, data, *args, **kwargs)
except Exception as e:
# 捕获所有 IO 操作异常
print(f"[Eventlet IO Error] _send_loop: {type(e).__name__}: {e}")
print("[Traceback]")
traceback.print_exc()
# 返回 0 继续运行
return 0
greenio.base.GreenSocket._send_loop = custom_send_loop
if hasattr(greenio.base.GreenSocket, 'send'):
original_send = greenio.base.GreenSocket.send
def custom_send(self, data, flags=0):
return safe_io_operation(original_send, self, data, flags)
try:
return original_send(self, data, flags)
except Exception as e:
# 捕获所有 IO 操作异常
print(f"[Eventlet IO Error] send: {type(e).__name__}: {e}")
print("[Traceback]")
traceback.print_exc()
# 返回 0 继续运行
return 0
# 替换 greenio 方法
greenio.base.GreenSocket._recv_loop = custom_recv_loop
greenio.base.GreenSocket.recv_into = custom_recv_into
greenio.base.GreenSocket._send_loop = custom_send_loop
greenio.base.GreenSocket.send = custom_send
# 处理 WSGI 中的所有错误
try:
import eventlet.wsgi
if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_request'):
original_wsgi_handle_one_request = eventlet.wsgi.HttpProtocol.handle_one_request
original_wsgi_handle_one_response = eventlet.wsgi.HttpProtocol.handle_one_response
def custom_wsgi_handle_one_request(self):
try:
@@ -109,6 +124,11 @@ try:
pass
return
eventlet.wsgi.HttpProtocol.handle_one_request = custom_wsgi_handle_one_request
if hasattr(eventlet.wsgi.HttpProtocol, 'handle_one_response'):
original_wsgi_handle_one_response = eventlet.wsgi.HttpProtocol.handle_one_response
def custom_wsgi_handle_one_response(self):
try:
return original_wsgi_handle_one_response(self)
@@ -124,13 +144,12 @@ try:
pass
return
eventlet.wsgi.HttpProtocol.handle_one_request = custom_wsgi_handle_one_request
eventlet.wsgi.HttpProtocol.handle_one_response = custom_wsgi_handle_one_response
except Exception as e:
# 如果修改失败，忽略错误
print(f"[WSGI Patch Error] {e}")
print("[Eventlet Error Handling] All eventlet.hubs errors will be caught and printed, not raised")
print("[Eventlet Error Handling] Eventlet errors will be caught and printed, not raised")
except Exception as e:
# 如果修改失败，打印错误但继续运行
print(f"[Eventlet Patch Initialization Error] {e}")