Permalink
Fetching contributors…
Cannot retrieve contributors at this time
101 lines (81 sloc) 2.97 KB
# Copyright 2016 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Sample application that demonstrates different ways of fetching
URLS on App Engine
"""
import logging
import urllib
# [START urllib2-imports]
import urllib2
# [END urllib2-imports]
# [START urlfetch-imports]
from google.appengine.api import urlfetch
# [END urlfetch-imports]
import webapp2
class UrlLibFetchHandler(webapp2.RequestHandler):
""" Demonstrates an HTTP query using urllib2"""
def get(self):
# [START urllib-get]
url = 'http://www.google.com/humans.txt'
try:
result = urllib2.urlopen(url)
self.response.write(result.read())
except urllib2.URLError:
logging.exception('Caught exception fetching url')
# [END urllib-get]
class UrlFetchHandler(webapp2.RequestHandler):
""" Demonstrates an HTTP query using urlfetch"""
def get(self):
# [START urlfetch-get]
url = 'http://www.google.com/humans.txt'
try:
result = urlfetch.fetch(url)
if result.status_code == 200:
self.response.write(result.content)
else:
self.response.status_code = result.status_code
except urlfetch.Error:
logging.exception('Caught exception fetching url')
# [END urlfetch-get]
class UrlPostHandler(webapp2.RequestHandler):
""" Demonstrates an HTTP POST form query using urlfetch"""
form_fields = {
'first_name': 'Albert',
'last_name': 'Johnson',
}
def get(self):
# [START urlfetch-post]
try:
form_data = urllib.urlencode(UrlPostHandler.form_fields)
headers = {'Content-Type': 'application/x-www-form-urlencoded'}
result = urlfetch.fetch(
url='http://localhost:8080/submit_form',
payload=form_data,
method=urlfetch.POST,
headers=headers)
self.response.write(result.content)
except urlfetch.Error:
logging.exception('Caught exception fetching url')
# [END urlfetch-post]
class SubmitHandler(webapp2.RequestHandler):
""" Handler that receives UrlPostHandler POST request"""
def post(self):
self.response.out.write((self.request.get('first_name')))
app = webapp2.WSGIApplication([
('/', UrlLibFetchHandler),
('/url_fetch', UrlFetchHandler),
('/url_post', UrlPostHandler),
('/submit_form', SubmitHandler)
], debug=True)