Python - Reading HTTP Request Body

Question

I am trying to send data to my Python server using HTTP.

My JavaScript code:

xmlHttp = new XMLHttpRequest(); 
xmlHttp.open("POST", url, true);
xmlHttp.send(String.fromCharCode(0xf5));

My Python code:

#sock is a socket object
header = readline(sock)
contl = 0
while(len(header) > 0):
    header = readline(sock)
    dat = header.split(': ')
    if(len(dat) >= 2):
        if(dat[0] == 'Content-Length'):
            contl = int(float(dat[1]))
print sock.recv(contl)

readline function:

def readLine(sock):
    s = ""
    while(True):
        a = sock.recv(1)
        if(len(a) < 1):
            return s
        elif(a == '\n'):
            return s
        elif(a == '\r'):
            b = sock.recv(1)
            if(b == '\n'):
                return s
            else:
                s += a + b
        else:
            s += a

Instead of my Python code printing \xf5 it prints \xc3\xb5. Is there something I'm missing?

What is your readline function doing. Can you post the method code? — Nagaraj Tantri
– Nagaraj Tantri, Commented Feb 2, 2014 at 5:57

falsetru · Accepted Answer · 2014-02-02 06:17:44Z

2

\xc3\xb5 is UTF-8 representation of U+00F5

>>> u'\xf5'.encode('utf-8')
'\xc3\xb5'

You can covert it back using str.decode (bytes.decode in Python 3.x):

>>> b'\xc3\xb5'.decode('utf-8')
u'\xf5'

answered Feb 2, 2014 at 6:17

falsetru

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