mirror of
https://github.com/SELinuxProject/setools
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2d755c46ca
* Remove "Model" from names of model classes. * Remove remaining *_detail() functions. * Add typing. * Make models dir a package. * Update for superclass data() method as fallback. * Switch to match/case statements. Signed-off-by: Chris PeBenito <pebenito@ieee.org>
100 lines
3.6 KiB
Python
100 lines
3.6 KiB
Python
# Copyright 2016, Tresys Technology, LLC
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#
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# SPDX-License-Identifier: LGPL-2.1-only
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#
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#
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from PyQt5 import QtCore
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import setools
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from . import modelroles
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from .table import SEToolsTableModel
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from .. import details
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class MLSRuleTable(SEToolsTableModel[setools.MLSRule]):
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"""A table-based model for MLS rules."""
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headers = ["Rule Type", "Source", "Target", "Object Class", "Default Range"]
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def data(self, index: QtCore.QModelIndex, role: int = QtCore.Qt.ItemDataRole.DisplayRole):
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if not self.item_list or not index.isValid():
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return None
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row = index.row()
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col = index.column()
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rule = self.item_list[row]
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match role:
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case QtCore.Qt.ItemDataRole.DisplayRole:
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match col:
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case 0:
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return rule.ruletype.name
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case 1:
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return rule.source.name
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case 2:
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return rule.target.name
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case 3:
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return rule.tclass.name
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case 4:
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return str(rule.default)
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case modelroles.ContextMenuRole:
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match col:
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case 1:
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return (details.type_or_attr_detail_action(rule.source), )
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case 2:
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return (details.type_or_attr_detail_action(rule.target), )
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case 3:
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return (details.objclass_detail_action(rule.tclass), )
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case QtCore.Qt.ItemDataRole.ToolTipRole:
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match col:
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case 1:
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return details.type_or_attr_tooltip(rule.source)
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case 2:
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return details.type_or_attr_tooltip(rule.target)
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case 3:
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return details.objclass_tooltip(rule.tclass)
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case QtCore.Qt.ItemDataRole.WhatsThisRole:
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match col:
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case 0:
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column_whatsthis = \
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f"""
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<p>The Rule Type column is the type of the rule; it is one of:</p>
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<ul>
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{"".join(f"<li>{t.name}</li>" for t in setools.MLSRuletype)}
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</ul>
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"""
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case 1:
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column_whatsthis = \
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"""
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<p>This is the source type or type attribute (subject) in the rule.</p>
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"""
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case 2:
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column_whatsthis = \
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"""
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<p>This is the target type or type attribute (object) in the rule.</p>
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"""
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case 3:
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column_whatsthis = "<p>This is the object class of the rule.</p>"
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case 4:
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column_whatsthis = \
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"""
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<p>Default Range: This the the default range specified in the rule.</p>
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"""
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case _:
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column_whatsthis = ""
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return \
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f"""
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<b><p>Table Representation of Multi-Level Security Rules</p></b>
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<p>Each part of the rule is represented as a column in the table.</p>
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{column_whatsthis}
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"""
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return super().data(index, role)
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