sample script to log in and upload an answer to a problem

common/lib/sample-post.py

+# A simple script demonstrating how to have an external program save results to the server
+
+import requests
+import sys
+
+def prompt(msg, default=None):
+    d = ' [{0}]'.format(default) if default is not None else ''
+    print 'Enter {msg}{default}: '.format(msg=msg, default=d)
+    x = sys.stdin.readline().strip()
+    if x == '' and default is not None:
+        return default
+    return x
+
+#     http://127.0.0.1:8000/courses/MITx/7012x/2013_Spring/modx/i4x://MITx/7012x/problem/example_functional_groups/problem_check
+
+
+server = prompt('Server (no trailing slash)',  'http://127.0.0.1:8000')
+course_id = prompt('Course id', 'MITx/7012x/2013_Spring')
+location = prompt('problem location', 'i4x://MITx/7012x/problem/example_upload_answer')
+value = prompt('value to upload')
+
+print "logging in"
+session = requests.session()
+r = session.get(server + '/')
+r.raise_for_status()
+print session.cookies
+
+# for some reason, the server expects a header containing the csrf cookie, not just the
+# cookie itself.
+session.headers['X-CSRFToken'] = session.cookies['csrftoken']
+login_url = '/'.join([server, 'login'])
+
+r = session.post(login_url, {'email': 'victor@edx.org', 'password': 'abc123'})
+print "request headers: ", r.request.headers
+print "response headers: ", r.headers
+r.raise_for_status()
+
+url = '/'.join([server, 'courses', course_id, 'modx', location, 'problem_check'])
+data = {'input_{0}_2_1'.format(location.replace('/','-').replace(':','').replace('--','-')): value}
+#data = {'input_i4x-MITx-7012x-problem-example_upload_answer_2_1': value}
+
+
+
+print "Posting to '{0}': {1}".format(url, data)
+
+r = session.post(url, data)
+r.raise_for_status()