27 lines
885 B
Python
27 lines
885 B
Python
"""
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:class:`~xblock.field_data.FieldData` subclasses used by the LMS
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"""
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from xblock.field_data import ReadOnlyFieldData, SplitFieldData
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from xblock.fields import Scope
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def lms_field_data(authored_data, student_data):
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"""
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Returns a new :class:`~xblock.field_data.FieldData` that
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reads all UserScope.ONE and UserScope.ALL fields from `student_data`
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and all UserScope.NONE fields from `authored_data`. It also prevents
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writing to `authored_data`.
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"""
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authored_data = ReadOnlyFieldData(authored_data)
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return SplitFieldData({
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Scope.content: authored_data,
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Scope.settings: authored_data,
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Scope.parent: authored_data,
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Scope.children: authored_data,
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Scope.user_state_summary: student_data,
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Scope.user_state: student_data,
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Scope.user_info: student_data,
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Scope.preferences: student_data,
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})
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