Files
codeql/python/ql/test/library-tests/frameworks
copilot-swe-agent[bot] 0ea1b8596e Add PEP249 connection tracking through class attribute wrappers
Introduce two new Connection::InstanceSource subclasses in PEP249.qll:

- ConnectionGetterAttributeRead: recognises self._conn reads inside
  getter methods of classes whose __init__ stores a connect() call in
  that attribute. The AttrRead node coincides with the return node, so
  the existing TypeTracker returnStep propagates the connection type to
  all call sites automatically.

- ConnectionConstructorAttributeRead: recognises ClassName()._conn
  direct attribute reads on constructor-call results.

Both classes share the classStoresConnectionInInit helper predicate
that checks for the self.attr = dbapi.connect() store pattern in __init__.

Also adds test cases for the new patterns in the hdbcli test suite
and a change note.
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