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-rwxr-xr-xLib/pdb.py13
-rw-r--r--Lib/test/test_pdb.py29
-rw-r--r--Misc/NEWS.d/next/Library/2023-02-09-19-40-41.gh-issue-101673.mX-Ppq.rst1
3 files changed, 32 insertions, 11 deletions
diff --git a/Lib/pdb.py b/Lib/pdb.py
index 78d0ce5..f11fc55 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -107,15 +107,6 @@ def find_function(funcname, filename):
return funcname, filename, lineno
return None
-def getsourcelines(obj):
- lines, lineno = inspect.findsource(obj)
- if inspect.isframe(obj) and obj.f_globals is obj.f_locals:
- # must be a module frame: do not try to cut a block out of it
- return lines, 1
- elif inspect.ismodule(obj):
- return lines, 1
- return inspect.getblock(lines[lineno:]), lineno+1
-
def lasti2lineno(code, lasti):
linestarts = list(dis.findlinestarts(code))
linestarts.reverse()
@@ -1357,7 +1348,7 @@ class Pdb(bdb.Bdb, cmd.Cmd):
filename = self.curframe.f_code.co_filename
breaklist = self.get_file_breaks(filename)
try:
- lines, lineno = getsourcelines(self.curframe)
+ lines, lineno = inspect.getsourcelines(self.curframe)
except OSError as err:
self.error(err)
return
@@ -1373,7 +1364,7 @@ class Pdb(bdb.Bdb, cmd.Cmd):
except:
return
try:
- lines, lineno = getsourcelines(obj)
+ lines, lineno = inspect.getsourcelines(obj)
except (OSError, TypeError) as err:
self.error(err)
return
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 48f419e..d91bd0b 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -1474,6 +1474,35 @@ def test_pdb_issue_gh_94215():
(Pdb) continue
"""
+def test_pdb_issue_gh_101673():
+ """See GH-101673
+
+ Make sure ll won't revert local variable assignment
+
+ >>> def test_function():
+ ... a = 1
+ ... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+
+ >>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE
+ ... '!a = 2',
+ ... 'll',
+ ... 'p a',
+ ... 'continue'
+ ... ]):
+ ... test_function()
+ --Return--
+ > <doctest test.test_pdb.test_pdb_issue_gh_101673[0]>(3)test_function()->None
+ -> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+ (Pdb) !a = 2
+ (Pdb) ll
+ 1 def test_function():
+ 2 a = 1
+ 3 -> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+ (Pdb) p a
+ 2
+ (Pdb) continue
+ """
+
@support.requires_subprocess()
class PdbTestCase(unittest.TestCase):
diff --git a/Misc/NEWS.d/next/Library/2023-02-09-19-40-41.gh-issue-101673.mX-Ppq.rst b/Misc/NEWS.d/next/Library/2023-02-09-19-40-41.gh-issue-101673.mX-Ppq.rst
new file mode 100644
index 0000000..4e673ba
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-02-09-19-40-41.gh-issue-101673.mX-Ppq.rst
@@ -0,0 +1 @@
+Fix a :mod:`pdb` bug where ``ll`` clears the changes to local variables.