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web_service.py
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web_service.py
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#!/usr/bin/python
# -*- coding: UTF8 -*-
from ocr.config import DAEMON, DEBUG
from ocr.functions import free_port
from ocr.web_service import WebView
import os
import socket
def valid_port(value):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
ivalue = int(value)
result = sock.connect_ex(('127.0.0.1', ivalue))
except (OverflowError, ValueError):
sock.close()
raise argparse.ArgumentTypeError("%s is not a valid port [0-65555]." % value)
if result == 0:
sock.close()
raise argparse.ArgumentTypeError("The port %s is alread in use." % value)
sock.close()
return ivalue
def valid_ip(value):
try:
socket.inet_aton(value)
except socket.error:
raise argparse.ArgumentTypeError("%s is not a valid ip." % value)
return value
if __name__ == "__main__":
import argparse
parser = argparse.ArgumentParser(description='WebService for OCR.')
parser.add_argument('-H', '--host', metavar='IP', nargs='?', type=valid_ip, help='Host ip', default='0.0.0.0')
parser.add_argument('-p', '--port', metavar='PORT', nargs='?', type=valid_port, help='Port number', default=5000)
args = parser.parse_args()
if args.port == 0:
args.port = free_port()
f = os.open(DAEMON, os.O_WRONLY | os.O_CREAT)
os.write(f, str(args.port))
os.close(f)
web = WebView(debug=DEBUG, port=args.port, host=args.host)
web.start()
try:
os.remove(DAEMON)
except OSError:
if DEBUG:
# Em caso de debug este comando roda duas vezes.
pass
else:
raise OSError