simple photograph server

photographTOServerSocket.py

import io
import socket
import struct
#u should do this:
# pip install --upgrade pip
# pip install image
from PIL import Image
# NOTICE:
#   The server script should be run first (don't run in pi)·
#   to ensure there’s a listening socket ready to accept a connection from the client script

# Start a socket listening for connections on 0.0.0.0:8000 (0.0.0.0 means all interfaces)
server_socket = socket.socket()
server_socket.bind(('0.0.0.0', 8000))
server_socket.listen(0)

# Accept a single connection and make a file-like object out of it
# @TODO: use select/poll  or use epoll/kqueue for more connections 10k>
connection = server_socket.accept()[0].makefile('rb')
try:
    while True:
        # Read the length of the image as a 32-bit unsigned int. If the
        # length is zero, quit the loop
        image_len = struct.unpack('<L', connection.read(4))[0]
        if not image_len:
            break
        # Construct a stream to hold the image data and read the image
        # data from the connection
        image_stream = io.BytesIO()
        image_stream.write(connection.read(image_len))
        # Rewind the stream, open it as an image with PIL and do some
        # processing on it
        image_stream.seek(0)
        image = Image.open(image_stream)
        print('Image is %dx%d' % image.size)
        image.verify()
        print('Image is verified')
finally:
    connection.close()
    server_socket.close()