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5b9803e03c
Flips the Python dataflow trunk from the legacy CFG (semmle/python/Flow.qll) and legacy ESSA SSA (semmle/python/essa/*) to the new shared CFG facade (semmle.python.controlflow.internal.Cfg) and the new SSA adapter (semmle.python.dataflow.new.internal.SsaImpl), both introduced additively in the preceding PRs in this stack. This is the trunk-flip equivalent of the original draft PR #21894 (kept around as documentation), rebased on top of the four preparatory PRs: P1: Remove AstNode.getAFlowNode() and rewrite callers (#21919). P2: Qualify Flow.qll's AST references with Py:: prefix (#21920). P3: Add new shared-CFG-backed control flow graph (#21921). P4: Add new shared-SSA-backed SSA adapter (#21923). The Python dataflow library (semmle/python/dataflow/new/) now imports the new CFG facade and SSA adapter. All CFG-typed predicates (ControlFlowNode, CallNode, BasicBlock, NameNode, AttrNode, ...) are qualified with the Cfg:: prefix; SSA references switch from EssaVariable/EssaDefinition to SsaImpl::Definition/SourceVariable. GuardNode is redesigned to use the new CFG's outcome-node model (isAfterTrue / isAfterFalse) instead of the legacy ConditionBlock + flipped indirection. Only BarrierGuard<...> is preserved as public API. Framework files (Bottle, FastApi, Django, Tornado, Pyramid, Stdlib, ...) are updated to take CFG nodes from the new facade. A handful of dataflow consistency tweaks for the new CFG: - Augmented-assignment targets are treated as both load and store. - 'from X import *' produces uncertain SSA writes for unknown names. - CFG nodes are canonicalised so dataflow does not see equivalent pre/post-order pairs as distinct nodes. Two AST tweaks for the new CFG: - AstNodeImpl: omit PEP 695 type-parameter names from FunctionDefExpr / ClassDefExpr children. - ImportResolution: drop the legacy essa import. Test churn (~175 files): reblessed library- and query-test .expected files reflect slightly different CFG granularity, different toString output, and a handful of true alert deltas in security queries. Verification: all 367 lib + src + consistency-queries compile clean. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
41 lines
5.6 KiB
Plaintext
41 lines
5.6 KiB
Plaintext
#select
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| resources_test.py:4:10:4:25 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:5:5:5:33 | After Attribute() | this operation |
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| resources_test.py:9:10:9:25 | After open() | File is opened but is not closed. | file://:0:0:0:0 | (none) | this operation |
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| resources_test.py:20:10:20:25 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:22:9:22:37 | After Attribute() | this operation |
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| resources_test.py:30:14:30:29 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:31:9:31:37 | After Attribute() | this operation |
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| resources_test.py:39:14:39:29 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:40:9:40:37 | After Attribute() | this operation |
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| resources_test.py:49:14:49:29 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:50:9:50:37 | After Attribute() | this operation |
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| resources_test.py:58:14:58:29 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:59:9:59:37 | After Attribute() | this operation |
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| resources_test.py:69:11:69:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:71:9:71:40 | After Attribute() | this operation |
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| resources_test.py:69:11:69:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:72:9:72:40 | After Attribute() | this operation |
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| resources_test.py:79:11:79:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:81:9:81:40 | After Attribute() | this operation |
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| resources_test.py:79:11:79:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:82:9:82:40 | After Attribute() | this operation |
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| resources_test.py:91:11:91:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:93:9:93:40 | After Attribute() | this operation |
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| resources_test.py:91:11:91:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:94:9:94:40 | After Attribute() | this operation |
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| resources_test.py:108:11:108:20 | After open() | File is opened but is not closed. | file://:0:0:0:0 | (none) | this operation |
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| resources_test.py:112:11:112:28 | After opener_func2() | File may not be closed if $@ raises an exception. | resources_test.py:113:5:113:22 | After Attribute() | this operation |
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| resources_test.py:123:11:123:24 | After opener_func2() | File is opened but is not closed. | file://:0:0:0:0 | (none) | this operation |
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| resources_test.py:129:15:129:24 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:130:9:130:26 | After Attribute() | this operation |
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| resources_test.py:141:11:141:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:143:9:143:40 | After Attribute() | this operation |
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| resources_test.py:141:11:141:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:144:9:144:40 | After Attribute() | this operation |
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| resources_test.py:182:15:182:54 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:186:9:186:25 | After Attribute() | this operation |
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| resources_test.py:225:11:225:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:227:9:227:25 | After Attribute() | this operation |
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| resources_test.py:237:11:237:26 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:239:9:239:25 | After Attribute() | this operation |
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| resources_test.py:248:11:248:25 | After open() | File is opened but is not closed. | file://:0:0:0:0 | (none) | this operation |
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| resources_test.py:252:11:252:25 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:254:9:254:23 | After Attribute() | this operation |
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| resources_test.py:269:10:269:27 | After Attribute() | File may not be closed if $@ raises an exception. | resources_test.py:271:5:271:19 | After Attribute() | this operation |
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| resources_test.py:275:10:275:35 | After Attribute() | File may not be closed if $@ raises an exception. | resources_test.py:278:9:278:23 | After Attribute() | this operation |
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| resources_test.py:285:11:285:20 | After open() | File may not be closed if $@ raises an exception. | resources_test.py:287:5:287:31 | After Attribute() | this operation |
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testFailures
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| resources_test.py:20:10:20:25 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:30:14:30:29 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:39:14:39:29 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:58:14:58:29 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:69:11:69:26 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:79:11:79:26 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:91:11:91:26 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:182:15:182:54 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:225:11:225:26 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:252:11:252:25 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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| resources_test.py:275:10:275:35 | File may not be closed if $@ raises an exception. | Unexpected result: Alert |
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