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bpo-42246: Make sure that f_lasti, and thus f_lineno, is set correctly after raising or reraising an exception (GH-23803)

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* Ensure that f_lasti is set correctly after an exception is raised to conform to PEP 626.

* Update importlib

* Add NEWS.
This commit is contained in:
Mark Shannon 2020-12-17 13:55:28 +00:00 • committed by GitHub
parent 40125ab325
commit bf353f3c2d
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 317 additions and 225 deletions
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14
Lib/test/test_dis.py
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@ -313,9 +313,9 @@ dis_traceback = """\
>> 50 LOAD_CONST 0 (None)
52 STORE_FAST 0 (e)
54 DELETE_FAST 0 (e)
56 RERAISE
56 RERAISE 1
%3d >> 58 RERAISE
%3d >> 58 RERAISE 0
""" % (TRACEBACK_CODE.co_firstlineno + 1,
TRACEBACK_CODE.co_firstlineno + 2,
TRACEBACK_CODE.co_firstlineno + 5,
@ -370,7 +370,7 @@ dis_tryfinally = """\
>> 14 LOAD_FAST 1 (b)
16 CALL_FUNCTION 0
18 POP_TOP
20 RERAISE
20 RERAISE 0
""" % (_tryfinally.__code__.co_firstlineno + 1,
_tryfinally.__code__.co_firstlineno + 2,
_tryfinally.__code__.co_firstlineno + 4,
@ -389,7 +389,7 @@ dis_tryfinallyconst = """\
>> 14 LOAD_FAST 0 (b)
16 CALL_FUNCTION 0
18 POP_TOP
20 RERAISE
20 RERAISE 0
""" % (_tryfinallyconst.__code__.co_firstlineno + 1,
_tryfinallyconst.__code__.co_firstlineno + 2,
_tryfinallyconst.__code__.co_firstlineno + 4,
@ -1076,7 +1076,7 @@ expected_opinfo_jumpy = [
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=136, starts_line=None, is_jump_target=False),
Instruction(opname='POP_EXCEPT', opcode=89, arg=None, argval=None, argrepr='', offset=138, starts_line=None, is_jump_target=False),
Instruction(opname='JUMP_FORWARD', opcode=110, arg=46, argval=188, argrepr='to 188', offset=140, starts_line=None, is_jump_target=False),
Instruction(opname='RERAISE', opcode=48, arg=None, argval=None, argrepr='', offset=142, starts_line=None, is_jump_target=True),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=142, starts_line=None, is_jump_target=True),
Instruction(opname='LOAD_FAST', opcode=124, arg=0, argval='i', argrepr='i', offset=144, starts_line=25, is_jump_target=True),
Instruction(opname='SETUP_WITH', opcode=143, arg=24, argval=172, argrepr='to 172', offset=146, starts_line=None, is_jump_target=False),
Instruction(opname='STORE_FAST', opcode=125, arg=1, argval='dodgy', argrepr='dodgy', offset=148, starts_line=None, is_jump_target=False),
@ -1093,7 +1093,7 @@ expected_opinfo_jumpy = [
Instruction(opname='JUMP_FORWARD', opcode=110, arg=16, argval=188, argrepr='to 188', offset=170, starts_line=None, is_jump_target=False),
Instruction(opname='WITH_EXCEPT_START', opcode=49, arg=None, argval=None, argrepr='', offset=172, starts_line=None, is_jump_target=True),
Instruction(opname='POP_JUMP_IF_TRUE', opcode=115, arg=178, argval=178, argrepr='', offset=174, starts_line=None, is_jump_target=False),
Instruction(opname='RERAISE', opcode=48, arg=None, argval=None, argrepr='', offset=176, starts_line=None, is_jump_target=False),
Instruction(opname='RERAISE', opcode=119, arg=1, argval=1, argrepr='', offset=176, starts_line=None, is_jump_target=False),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=178, starts_line=None, is_jump_target=True),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=180, starts_line=None, is_jump_target=False),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=182, starts_line=None, is_jump_target=False),
@ -1110,7 +1110,7 @@ expected_opinfo_jumpy = [
Instruction(opname='LOAD_CONST', opcode=100, arg=10, argval="OK, now we're done", argrepr='"OK, now we\'re done"', offset=204, starts_line=None, is_jump_target=False),
Instruction(opname='CALL_FUNCTION', opcode=131, arg=1, argval=1, argrepr='', offset=206, starts_line=None, is_jump_target=False),
Instruction(opname='POP_TOP', opcode=1, arg=None, argval=None, argrepr='', offset=208, starts_line=None, is_jump_target=False),
Instruction(opname='RERAISE', opcode=48, arg=None, argval=None, argrepr='', offset=210, starts_line=None, is_jump_target=False),
Instruction(opname='RERAISE', opcode=119, arg=0, argval=0, argrepr='', offset=210, starts_line=None, is_jump_target=False),
]
# One last piece of inspect fodder to check the default line number handling