#!/usr/bin/env python
#coding:utf-8
from wsgiref.simple_server import make_server
def DaoServer(environ, start_response):
start_response('200 OK', [('Content-Type', 'text/html')])
return '<h1>Hello,dao!</h1>'
if __name__ == '__main__':
httpd = make_server('', 8000, DaoServer)
print ("Serving HTTP on port 8000...")
httpd.serve_forever()
错误栈如下
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 53872)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 53873)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:18:51] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 53874)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54000)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54001)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:20:53] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54002)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54018)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54019)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:21:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54020)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54098)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54099)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 200 0
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
127.0.0.1 - - [20/Dec/2018 07:26:54] "GET / HTTP/1.1" 500 59
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 54100)
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 266, in write
"write() argument must be a bytes instance"
AssertionError: write() argument must be a bytes instance
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 141, in run
self.handle_error()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 368, in handle_error
self.finish_response()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 180, in finish_response
self.write(data)
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 274, in write
self.send_headers()
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 331, in send_headers
if not self.origin_server or self.client_is_modern():
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 344, in client_is_modern
return self.environ['SERVER_PROTOCOL'].upper() != 'HTTP/0.9'
TypeError: 'NoneType' object is not subscriptable
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\Program\Python\Python37\lib\socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 344, in process_request
self.finish_request(request, client_address)
File "D:\Program\Python\Python37\lib\socketserver.py", line 357, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "D:\Program\Python\Python37\lib\socketserver.py", line 717, in __init__
self.handle()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 133, in handle
handler.run(self.server.get_app())
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 144, in run
self.close()
File "D:\Program\Python\Python37\lib\wsgiref\simple_server.py", line 35, in close
self.status.split(' ',1)[0], self.bytes_sent
AttributeError: 'NoneType' object has no attribute 'split'
----------------------------------------
解决方法
查看报错代码
run方法
File "D:\Program\Python\Python37\lib\wsgiref\handlers.py", line 138, in run
def run(self, application):
"""Invoke the application"""
# Note to self: don't move the close()! Asynchronous servers shouldn't
# call close() from finish_response(), so if you close() anywhere but
# the double-error branch here, you'll break asynchronous servers by
# prematurely closing. Async servers must return from 'run()' without
# closing if there might still be output to iterate over.
try:
self.setup_environ()
self.result = application(self.environ, self.start_response)
self.finish_response() # 此处报错
except:
try:
self.handle_error()
except:
# If we get an error handling an error, just give up already!
self.close()
raise # ...and let the actual server figure it out.
finish_response 方法
def finish_response(self):
"""Send any iterable data, then close self and the iterable
Subclasses intended for use in asynchronous servers will
want to redefine this method, such that it sets up callbacks
in the event loop to iterate over the data, and to call
'self.close()' once the response is finished.
"""
try:
if not self.result_is_file() or not self.sendfile():
for data in self.result:
self.write(data) # write 方法报错
self.finish_content()
finally:
self.close()
write方法
def write(self, data):
"""'write()' callable as specified by PEP 3333"""
### 此处断言data 必须为byte类型
assert type(data) is bytes, \
"write() argument must be a bytes instance"
if not self.status:
raise AssertionError("write() before start_response()")
elif not self.headers_sent:
# Before the first output, send the stored headers
self.bytes_sent = len(data) # make sure we know content-length
self.send_headers()
else:
self.bytes_sent += len(data)
# XXX check Content-Length and truncate if too many bytes written?
self._write(data)
self._flush()
打印data类型
def finish_response(self):
"""Send any iterable data, then close self and the iterable
Subclasses intended for use in asynchronous servers will
want to redefine this method, such that it sets up callbacks
in the event loop to iterate over the data, and to call
'self.close()' once the response is finished.
"""
try:
if not self.result_is_file() or not self.sendfile():
for data in self.result:
print('dao dao dao data type:'+str(type(data)))
# self.write(data)
#self.finish_content()
finally:
self.close()
结果为
127.0.0.1 - - [20/Dec/2018 08:29:07] "GET / HTTP/1.1" 200 0
dao dao dao data type:<class 'str'>
dao dao dao data type:<class 'str'>
dao dao dao data type:<class 'str'>
修复方式，通过encode方法，转为byte类型
def finish_response(self):
"""Send any iterable data, then close self and the iterable
Subclasses intended for use in asynchronous servers will
want to redefine this method, such that it sets up callbacks
in the event loop to iterate over the data, and to call
'self.close()' once the response is finished.
"""
try:
if not self.result_is_file() or not self.sendfile():
for data in self.result:
print('dao dao dao data type:'+str(type(data)))
data=data.encode()
self.write(data)
self.finish_content()
finally:
self.close()
修复后可成功返回
Hello,dao!