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application.py
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application.py
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import selenium.webdriver
WEBSITE_URL = 'http://localhost/#!'
PHANTOMJS_PORT = 64750
DELETE_FRAGMENT_FROM_RENDERED = True
DELETE_FRAGMENT_SCRIPT = '''
var i, refAttr;
var metaTags = document.getElementsByTagName('meta');
for(i = metaTags.length-1; i >= 0; i--){
if((nameAttr = metaTags[i].getAttribute("name")) && (nameAttr == 'fragment')){
metaTags[i].parentNode.removeChild(metaTags[i]);
}
}
var scriptTags = document.getElementsByTagName('script');
for(i = scriptTags.length-1; i >= 0; i--){
scriptTags[i].parentNode.removeChild(scriptTags[i]);
}
'''
def get_driver_data(url):
driver = selenium.webdriver.PhantomJS(port=PHANTOMJS_PORT)
driver.get(url)
if DELETE_FRAGMENT_FROM_RENDERED is True:
driver.execute_script(DELETE_FRAGMENT_SCRIPT)
content = driver.page_source
driver.quit()
return content
def application(env, start_response):
query_string = env['QUERY_STRING']
keyparam = query_string.split('&')
escaped_fragment_value = None
for kp in keyparam:
try:
key, value = kp.split('=', 1)
if key == '_escaped_fragment_':
escaped_fragment_value = value
except ValueError:
pass
# If there is no _escaped_fragment_ then return error 404 (It should be handled by nginx anyway)
if escaped_fragment_value is None:
start_response('404 Not Found', [('Content-Type', 'text/html')])
return []
start_response('200 OK', [('Content-Type', 'text/html')])
url = "%s%s" % (WEBSITE_URL, escaped_fragment_value)
response = get_driver_data(url)
return [response.encode('utf-8')]