Python not服务器不工作
Python not服务器不工作
提问于 2017-10-02 03:58:43
我正在构建一个基本的python web服务器，但我一直有一个问题，它不能发送任何数据(顺便说一句，我在运行它的同一台计算机上访问网站，并且我有服务器试图访问的文件)以下是我的代码：
import socket
HOST, PORT = '', 80
def between(left,right,s):
before,_,a = s.partition(left)
a,_,after = a.partition(right)
return a
filereq = ""
listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
listen_socket.bind((HOST, PORT))
lines = []
print("Started!")
listen_socket.listen(1)
print("Listening")
while True:
try:
lines = []
client_connection, client_address = listen_socket.accept()
print("Connected")
request = client_connection.recv(1024)
print("Received Data!")
filereq = between("GET /", " HT", request)
print(filereq)
filereq = open(filereq)
for line in filereq:
lines.append(line)
print(lines)
sendata = ''.join(lines)
print(sendata)
http_response = """\
HTTP/1.1 200 OK
{}
""".format(sendata)
print(http_response)
client_connection.sendall(http_response)
print("Sent the Data!")
client_connection.close()
print("Connection Closed!")
except:
5+5Stack Overflow用户
发布于 2017-10-05 14:21:27
问题是服务器是用Python3实现的，但代码混合了字节和字符串，这在Python2中有效，但在Python3中不起作用。
这会在being函数中导致错误，因为partition是在bytes对象上调用的，但提供了str分隔符的值。
>>> data = b'abc'
>>> data.partition('b')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: a bytes-like object is required, not 'str'要解决此问题，请在从套接字读取数据时将数据从bytes解码为str，然后在发送响应之前编码回bytes (socket.sendall需要bytes作为参数)。
此外，打印出发生的任何异常，以便您可以对其进行调试。
import socket
import sys
import traceback
HOST, PORT = '', 80
def between(left,right,s):
before,_,a = s.partition(left)
a,_,after = a.partition(right)
return a
filereq = ""
listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
listen_socket.bind((HOST, PORT))
lines = []
print("Started!")
listen_socket.listen(1)
print("Listening")
while True:
try:
lines = []
client_connection, client_address = listen_socket.accept()
print("Connected")
request = client_connection.recv(1024)
print("Received Data!")
# Decode the data before processing.
decoded = request.decode('utf-8')
filereq = between("GET /", " HT", decoded)
print(filereq)
filereq = open(filereq)
for line in filereq:
lines.append(line)
print(lines)
sendata = ''.join(lines)
print(sendata)
http_response = """\
HTTP/1.1 200 OK
{}
""".format(sendata)
print(http_response)
# Encode the response before sending.
encoded = http_response.encode('utf-8')
client_connection.sendall(encoded)
print("Sent the Data!")
client_connection.close()
print("Connection Closed!")
except Exception:
# Print the traceback if there's an error.
traceback.print_exc(file=sys.stderr)页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/46516347
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