I need to read data from socket byte by byte. I try to do with this code:
lineF = ''
for DataByte in client[0].recv(1):
lineF += DataByte
result lineF must be an data string.
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1 Answer
What type of object is client[0]? Assuming it is a socket object from the standard library, then recv() already gives you a bytestring. If you want it as a text string, you would use the .decode() with whatever encoding whoever is sending you the data is using - eg,
data = client[0].recv(1).decode('utf-8')
EDIT: in the case that, per your comment below, you don't know the length of the stream in advance, you need to keep reading until the data comes back empty. The built-in iter() helps with this:
def read_socket():
return client[0].recv(1)
data = b''.join(iter(read_socket, b''))
Also, if this is the only reason for reading a byte at a time - you can, and probably should, use a larger buffer size. If there's fewer bytes in the stream than the buffer can hold, it will just give you those bytes.
1 Comment
Sir D
Yes. recv() gives me a bytestring. I can get whole string using client[0].recv(1024) but i don't khow string length. It may be various. I need to get all data byte by byte and then get a bytestring.