10000 bpo-6700: Fix inspect.getsourcelines for module level frames/tracebacks by vladima · Pull Request #8864 · python/cpython · GitHub
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bpo-6700: Fix inspect.getsourcelines for module level frames/tracebacks #8864

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Merged
merged 4 commits into from
Aug 24, 2018
Merged

bpo-6700: Fix inspect.getsourcelines for module level frames/tracebacks #8864

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2c9a55e
bpo-6700: fix inspect.getsourcelines for module level frames/tracebacks
vladima Aug 23, 2018
b2b7917
add entry to Misc/NEWS.d
vladima Aug 23, 2018
0ceff9d
pass None as generic pointer to last line
vladima Aug 23, 2018
28bd987
add mention of contributor in NEWS
taleinat Aug 24, 2018
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bpo-6700: fix inspect.getsourcelines for module level frames/tracebacks
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@vladima
vladima committed Aug 23, 2018
commit 2c9a55e2cb4ba1a7a0f4d6b5731e19e3a12fb82c
7 changes: 6 additions & 1 deletion Lib/inspect.py
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Original file line number Diff line number Diff line change
Expand Up @@ -954,7 +954,12 @@ def getsourcelines(object):
object = unwrap(object)
lines, lnum = findsource(object)

if ismodule(object):
if istraceback(object):
object = object.tb_frame

# for module or frame that correspond to module return all source lines
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"... correspond to a module return ..." -> "... corresponds to a module, return ..."

if (ismodule(object) or
(isframe(object) and object.f_code.co_name == "<module>")):
return lines, 0
else:
return getblock(lines[lnum:]), lnum + 1
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6 changes: 6 additions & 0 deletions Lib/test/inspect_fodder.py
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Expand Up @@ -74,3 +74,9 @@ def contradiction(self):

async def lobbest(grenade):
pass

currentframe = inspect.currentframe()
try:
raise Exception()
except:
tb = sys.exc_info()[2]
11 changes: 10 additions & 1 deletion Lib/test/test_inspect.py
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Expand Up @@ -527,6 +527,15 @@ def monkey(filename, module_globals=None):
def test_getsource_on_code_object(self):
self.assertSourceEqual(mod.eggs.__code__, 12, 18)

class TestGettingSourceOfToplevelFrames(GetSourceBase):
fodderModule = mod

def test_range_toplevel_frame(self):
self.assertSourceEqual(mod.currentframe, 1, 82)
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The 82 here (and below) is fragile, it would need to be updated after almost any minor change to the "fodder module". I suggest using None, which is equivalent to an open-ended slice, e.g. lines[1:].


def test_range_traceback_toplevel_frame(self):
self.assertSourceEqual(mod.tb, 1, 82)

class TestDecorators(GetSourceBase):
fodderModule = mod2

Expand Down Expand Up @@ -3870,7 +3879,7 @@ def test_main():
TestBoundArguments, TestSignaturePrivateHelpers,
TestSignatureDefinitions, TestIsDataDescriptor,
TestGetClosureVars, TestUnwrap, TestMain, TestReload,
TestGetCoroutineState
TestGetCoroutineState, TestGettingSourceOfToplevelFrames
)

if __name__ == "__main__":
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0