72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
# A simple script demonstrating how to have an external program post problem
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# responses to an edx server.
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#
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# ***** NOTE *****
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# This is not intended as a stable public API. In fact, it is almost certainly
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# going to change. If you use this for some reason, be prepared to change your
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# code.
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#
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# We will be working to define a stable public API for external programs. We
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# don't have have one yet (Feb 2013).
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import requests
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import sys
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import getpass
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def prompt(msg, default=None, safe=False):
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d = ' [{0}]'.format(default) if default is not None else ''
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prompt = 'Enter {msg}{default}: '.format(msg=msg, default=d)
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if not safe:
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print prompt
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x = sys.stdin.readline().strip()
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else:
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x = getpass.getpass(prompt=prompt)
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if x == '' and default is not None:
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return default
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return x
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server = 'https://www.edx.org'
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course_id = 'HarvardX/PH207x/2012_Fall'
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location = 'i4x://HarvardX/PH207x/problem/ex_practice_2'
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#server = prompt('Server (no trailing slash)', 'http://127.0.0.1:8000')
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#course_id = prompt('Course id', 'MITx/7012x/2013_Spring')
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#location = prompt('problem location', 'i4x://MITx/7012x/problem/example_upload_answer')
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value = prompt('value to upload')
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username = prompt('username on server', 'victor@edx.org')
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password = prompt('password', 'abc123', safe=True)
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print "get csrf cookie"
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session = requests.session()
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r = session.get(server + '/')
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r.raise_for_status()
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# print session.cookies
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# for some reason, the server expects a header containing the csrf cookie, not just the
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# cookie itself.
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session.headers['X-CSRFToken'] = session.cookies['csrftoken']
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# for https, need a referer header
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session.headers['Referer'] = server + '/'
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login_url = '/'.join([server, 'login'])
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print "log in"
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r = session.post(login_url, {'email': 'victor@edx.org', 'password': 'Secret!', 'remember': 'false'})
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#print "request headers: ", r.request.headers
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#print "response headers: ", r.headers
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r.raise_for_status()
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url = '/'.join([server, 'courses', course_id, 'modx', location, 'problem_check'])
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data = {'input_{0}_2_1'.format(location.replace('/','-').replace(':','').replace('--','-')): value}
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#data = {'input_i4x-MITx-7012x-problem-example_upload_answer_2_1': value}
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print "Posting to '{0}': {1}".format(url, data)
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r = session.post(url, data)
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r.raise_for_status()
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print ("To see the uploaded answer, go to {server}/courses/{course_id}/jump_to/{location}"
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.format(server=server, course_id=course_id, location=location))
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