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generate_request_xml: add LTI launch url option #81

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generate_request_xml: add LTI launch url option #81

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9b20bfa
generate_request_xml: add LTI launch url option
sdreher Dec 27, 2017
f4cb5cc
add default parameter
sdreher Dec 27, 2017
250cc3e
flake8
sdreher Dec 27, 2017
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7 changes: 6 additions & 1 deletion pylti/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -306,7 +306,7 @@ def verify_request_common(consumers, url, method, headers, params):


def generate_request_xml(message_identifier_id, operation,
lis_result_sourcedid, score):
lis_result_sourcedid, score, launch_url=None):
# pylint: disable=too-many-locals
"""
Generates LTI 1.1 XML for posting result to LTI consumer.
Expand All @@ -315,6 +315,7 @@ def generate_request_xml(message_identifier_id, operation,
:param operation:
:param lis_result_sourcedid:
:param score:
:param launch_url:
:return: XML string
"""
root = etree.Element(u'imsx_POXEnvelopeRequest',
Expand Down Expand Up @@ -343,6 +344,10 @@ def generate_request_xml(message_identifier_id, operation,
language.text = 'en'
text_string = etree.SubElement(result_score, 'textString')
text_string.text = score.__str__()
if launch_url:
result_data = etree.SubElement(result, 'resultData')
lti_launch_url = etree.SubElement(result_data, 'ltiLaunchUrl')
lti_launch_url.text = launch_url
ret = "<?xml version='1.0' encoding='utf-8'?>\n{}".format(
etree.tostring(root, encoding='utf-8').decode('utf-8'))

Expand Down
14 changes: 14 additions & 0 deletions pylti/tests/test_common.py
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Expand Up @@ -219,6 +219,20 @@ def test_generate_xml(self):
<imsx_POXBody><operationRequest><resultRecord><sourcedGUID><sourcedId>\
lis_result_sourcedid</sourcedId></sourcedGUID></resultRecord></operationRequest>\
</imsx_POXBody></imsx_POXEnvelopeRequest>""")
xml = generate_request_xml('message_identifier_id', 'operation',
'lis_result_sourcedid', 'score',
'https://somelaunchurl/')
self.assertEqual(xml, """<?xml version='1.0' encoding='utf-8'?>
<imsx_POXEnvelopeRequest xmlns="http://www.imsglobal.org/services/ltiv1p1/xsd/\
imsoms_v1p0"><imsx_POXHeader><imsx_POXRequestHeaderInfo><imsx_version>V1.0\
</imsx_version><imsx_messageIdentifier>message_identifier_id\
</imsx_messageIdentifier></imsx_POXRequestHeaderInfo></imsx_POXHeader>\
<imsx_POXBody><operationRequest><resultRecord><sourcedGUID><sourcedId>\
lis_result_sourcedid</sourcedId></sourcedGUID><result><resultScore>\
<language>en</language><textString>score</textString></resultScore>\
<resultData><ltiLaunchUrl>https://somelaunchurl/</ltiLaunchUrl></resultData>\
</result></resultRecord></operationRequest></imsx_POXBody>\
</imsx_POXEnvelopeRequest>""")

@staticmethod
def generate_oauth_request(url_to_sign=None):
Expand Down