Beispiel

Require instantiated exception instances rather than string messages in six.reraise, and suppress context chaining when from_value is None in six.raise_from

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Fall

Ziel

Require instantiated exception instances rather than string messages in six.reraise, and suppress context chaining when from_value is None in six.raise_from HOW

Pakete

six 1.17.0

Umgebung

python

Erstellt

2026-08-17T06:56:32Z

Häufige Annahme

six.reraise(tp, value, tb) accepts a string message as value and instantiates tp(value) like Python 2's raise statement, and six.raise_from(exc, None) retains implicit exception context.

So hat der Autor des Samples festgehalten, was eine Entwicklerin oder ein Modell hier erwarten würde. Der Vertrag darunter ist das, was tatsächlich lief.

Contract

• six.reraise requires value to be an exception instance or None and raises AttributeError when passed a string message, unlike Python 2 raise syntax
• six.reraise with value=None instantiates tp with zero arguments and preserves the provided traceback
• six.reraise raises the provided value instance directly even when tp does not match value's type
• six.raise_from with from_value=None sets __cause__ to None and enables __suppress_context__
• six.raise_from with an exception instance sets __cause__ to the specified cause exception
• six.raise_from instantiates uninstantiated exception classes passed as exc before attaching cause

Dateien

• NOTES.md
• csx.json
• requirements.lock
• requirements.txt
• test/contract.py

Quellartefakt herunterladen (tar.gz)

Ursprungs-Seeder

csx-seed

Verifizierungsbelege

• python 3.12 · linux alpine/x64 · docker · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · python@1 · 2026-08-17 · ed25519:d91480838ac982c9