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Python: CG trace: Ignore IMPORT_NAME

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Rasmus Wriedt Larsen
2020-07-21 22:17:17 +02:00
parent 6830804112
commit ebbea0cd61
1 changed files with 11 additions and 3 deletions
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14
python/tools/recorded-call-graph-metrics/src/cg_trace/bytecode_reconstructor.py
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@@ -180,10 +180,18 @@ def expr_from_instruction(instructions: List[Instruction], index: int) -> Byteco
assert isinstance(name_expr, BytecodeConst)
return BytecodeMakeFunction(qualified_name=name_expr)
# LOAD_BUILD_CLASS is included here intentionally for now, since I don't really
# know what to do about it.
if inst.opname not in ["LOAD_BUILD_CLASS"]:
# Special cases ignored for now:
#
# - LOAD_BUILD_CLASS: Called when constructing a class.
# - IMPORT_NAME: Observed to result in a call to filename='<frozen
# importlib._bootstrap>', linenum=389, funcname='parent'
if inst.opname not in ["LOAD_BUILD_CLASS", "IMPORT_NAME"]:
LOGGER.warning(f"Don't know how to handle this type of instruction: {inst}")
# Uncomment to stop execution when encountering non-ignored unknown instruction
# class MyBytecodeException(BaseException):
# pass
#
# raise MyBytecodeException()
return BytecodeUnknown(inst.opname)