57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
"""Generates common contexts"""
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import logging
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from opaque_keys.edx.locations import SlashSeparatedCourseKey
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from opaque_keys.edx.keys import CourseKey
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from opaque_keys import InvalidKeyError
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from util.request import COURSE_REGEX
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log = logging.getLogger(__name__)
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def course_context_from_url(url):
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"""
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Extracts the course_context from the given `url` and passes it on to
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`course_context_from_course_id()`.
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"""
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url = url or ''
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match = COURSE_REGEX.match(url)
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course_id = None
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if match:
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course_id_string = match.group('course_id')
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try:
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course_id = SlashSeparatedCourseKey.from_deprecated_string(course_id_string)
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except InvalidKeyError:
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log.warning(
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'unable to parse course_id "{course_id}"'.format(
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course_id=course_id_string
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),
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exc_info=True
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)
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return course_context_from_course_id(course_id)
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def course_context_from_course_id(course_id):
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"""
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Creates a course context from a `course_id`.
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Example Returned Context::
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{
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'course_id': 'org/course/run',
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'org_id': 'org'
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}
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"""
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if course_id is None:
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return {'course_id': '', 'org_id': ''}
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# TODO: Make this accept any CourseKey, and serialize it using .to_string
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assert isinstance(course_id, CourseKey)
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return {
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'course_id': course_id.to_deprecated_string(),
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'org_id': course_id.org,
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}
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