Created
September 2, 2012 08:30
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Asynchronous HTTP Request
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# -*- coding: utf-8 -*- | |
import threading | |
import urllib | |
def get_async(url, data=None, callback=None): | |
request_async(url, data, get, callback) | |
def post_async(url, data=None, callback=None): | |
request_async(url, data, post, callback) | |
def request_async(url, data, method, callback): | |
event = threading.Event() | |
runner = threading.Thread(target=run, | |
args=(event, url, data, method, callback)) | |
runner.start() | |
event.wait() | |
def run(event, url, data, method, callback): | |
event.set() | |
result = method(url, data) | |
if callback: | |
callback(result) | |
def get(url, data): | |
if data: | |
params = urllib.urlencode(data) | |
url = '?'.join(url, params) | |
return urllib.urlopen(url).read() | |
def post(url, data): | |
if data: | |
params = urllib.urlencode(data) | |
return urllib.urlopen(url, params).read() | |
else: | |
return urllib.urlopen(url).read() | |
if __name__ == '__main__': | |
def print_response(response): | |
print(response) | |
get_async('http://localhost:8080', callback=print_response) | |
print('done.') |
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