10000 gh-103225: Fixed zero lineno issue for pdb by gaogaotiantian · Pull Request #103265 · python/cpython · GitHub
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gh-103225: Fixed zero lineno issue for pdb #103265

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Merged
merged 3 commits into from
Apr 7, 2023
Merged

gh-103225: Fixed zero lineno issue for pdb #103265

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0b3c3b8
Fixed zero lineno issue for pdb
gaogaotiantian Apr 5, 2023
b157545
Update Misc/NEWS.d/next/Library/2023-04-05-01-28-53.gh-issue-103225.Q…
gaogaotiantian Apr 6, 2023
e7dd1f6
Create a helper function for getsourcelines
gaogaotiantian Apr 6, 2023
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6 changes: 6 additions & 0 deletions Lib/pdb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1352,6 +1352,9 @@ def do_longlist(self, arg):
breaklist = self.get_file_breaks(filename)
try:
lines, lineno = inspect.getsourcelines(self.curframe)
# inspect.getsourcelines() returns lineno = 0 for
# module-level frame which breaks our code print line number
lineno = max(1, lineno)
except OSError as err:
self.error(err)
return
Expand All @@ -1368,6 +1371,9 @@ def do_source(self, arg):
return
try:
lines, lineno = inspect.getsourcelines(obj)
# inspect.getsourcelines() returns lineno = 0 for
# module-level frame which breaks our code print line number
lineno = max(1, lineno)
except (OSError, TypeError) as err:
self.error(err)
return
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25 changes: 25 additions & 0 deletions Lib/test/test_pdb.py
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Expand Up @@ -1675,6 +1675,31 @@ def test_pdb_issue_gh_101673():
(Pdb) continue
"""

def test_pdb_issue_gh_103225():
"""See GH-103225

Make sure longlist uses 1-based line numbers in frames that correspond to a module

>>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
... 'longlist',
... 'continue'
... ]):
... a = 1
... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
... b = 2
> <doctest test.test_pdb.test_pdb_issue_gh_103225[0]>(7)<module>()
-> b = 2
(Pdb) longlist
1 with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
2 'longlist',
3 'continue'
4 ]):
5 a = 1
6 import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
7 -> b = 2
(Pdb) continue
"""


@support.requires_subprocess()
class PdbTestCase(unittest.TestCase):
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2023-04-05-01-28-53.gh-issue-103225.QD3JVU.rst
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@@ -0,0 +1 @@
Fixed the line number display bug on modules for :mod:`pdb`
0