aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
-rw-r--r--Doc/library/pdb.rst19
-rwxr-xr-xLib/pdb.py17
-rw-r--r--Lib/test/test_pdb.py53
-rw-r--r--Misc/NEWS.d/next/Library/2023-10-23-03-49-34.gh-issue-102980.aXBd54.rst1
4 files changed, 86 insertions, 4 deletions
diff --git a/Doc/library/pdb.rst b/Doc/library/pdb.rst
index bbc6aacc62a..2495dcf50bb 100644
--- a/Doc/library/pdb.rst
+++ b/Doc/library/pdb.rst
@@ -570,10 +570,27 @@ can be overridden by the local file.
Start an interactive interpreter (using the :mod:`code` module) whose global
namespace contains all the (global and local) names found in the current
- scope.
+ scope. Use ``exit()`` or ``quit()`` to exit the interpreter and return to
+ the debugger.
+
+ .. note::
+
+ Because interact creates a new global namespace with the current global
+ and local namespace for execution, assignment to variables will not
+ affect the original namespaces.
+ However, modification to the mutable objects will be reflected in the
+ original namespaces.
.. versionadded:: 3.2
+ .. versionadded:: 3.13
+ ``exit()`` and ``quit()`` can be used to exit :pdbcmd:`interact`
+ command.
+
+ .. versionchanged:: 3.13
+ :pdbcmd:`interact` directs its output to the debugger's
+ output channel rather than :data:`sys.stderr`.
+
.. _debugger-aliases:
.. pdbcommand:: alias [name [command]]
diff --git a/Lib/pdb.py b/Lib/pdb.py
index 9d124189df1..83b7fefec63 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -207,6 +207,15 @@ class _ModuleTarget(str):
)
+class _PdbInteractiveConsole(code.InteractiveConsole):
+ def __init__(self, ns, message):
+ self._message = message
+ super().__init__(locals=ns, local_exit=True)
+
+ def write(self, data):
+ self._message(data, end='')
+
+
# Interaction prompt line will separate file and call info from code
# text using value of line_prefix string. A newline and arrow may
# be to your liking. You can set it once pdb is imported using the
@@ -672,8 +681,8 @@ class Pdb(bdb.Bdb, cmd.Cmd):
# interface abstraction functions
- def message(self, msg):
- print(msg, file=self.stdout)
+ def message(self, msg, end='\n'):
+ print(msg, end=end, file=self.stdout)
def error(self, msg):
print('***', msg, file=self.stdout)
@@ -1786,7 +1795,9 @@ class Pdb(bdb.Bdb, cmd.Cmd):
contains all the (global and local) names found in the current scope.
"""
ns = {**self.curframe.f_globals, **self.curframe_locals}
- code.interact("*interactive*", local=ns, local_exit=True)
+ console = _PdbInteractiveConsole(ns, message=self.message)
+ console.interact(banner="*pdb interact start*",
+ exitmsg="*exit from pdb interact command*")
def do_alias(self, arg):
"""alias [name [command]]
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 50d8c8f52a9..d53fe3c611b 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -778,6 +778,59 @@ def test_pdb_where_command():
(Pdb) continue
"""
+def test_pdb_interact_command():
+ """Test interact command
+
+ >>> g = 0
+ >>> dict_g = {}
+
+ >>> def test_function():
+ ... x = 1
+ ... lst_local = []
+ ... import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+
+ >>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
+ ... 'interact',
+ ... 'x',
+ ... 'g',
+ ... 'x = 2',
+ ... 'g = 3',
+ ... 'dict_g["a"] = True',
+ ... 'lst_local.append(x)',
+ ... 'exit()',
+ ... 'p x',
+ ... 'p g',
+ ... 'p dict_g',
+ ... 'p lst_local',
+ ... 'continue',
+ ... ]):
+ ... test_function()
+ --Return--
+ > <doctest test.test_pdb.test_pdb_interact_command[2]>(4)test_function()->None
+ -> import pdb; pdb.Pdb(nosigint=True, readrc=False).set_trace()
+ (Pdb) interact
+ *pdb interact start*
+ ... x
+ 1
+ ... g
+ 0
+ ... x = 2
+ ... g = 3
+ ... dict_g["a"] = True
+ ... lst_local.append(x)
+ ... exit()
+ *exit from pdb interact command*
+ (Pdb) p x
+ 1
+ (Pdb) p g
+ 0
+ (Pdb) p dict_g
+ {'a': True}
+ (Pdb) p lst_local
+ [2]
+ (Pdb) continue
+ """
+
def test_convenience_variables():
"""Test convenience variables
diff --git a/Misc/NEWS.d/next/Library/2023-10-23-03-49-34.gh-issue-102980.aXBd54.rst b/Misc/NEWS.d/next/Library/2023-10-23-03-49-34.gh-issue-102980.aXBd54.rst
new file mode 100644
index 00000000000..d4bae4790d6
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-10-23-03-49-34.gh-issue-102980.aXBd54.rst
@@ -0,0 +1 @@
+Redirect the output of ``interact`` command of :mod:`pdb` to the same channel as the debugger. Add tests and improve docs.