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merged 5 commits into from
Jul 24, 2025
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gh-136980: Remove unused C tracing code in bdb #136981

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c8965ff
Remove unused C tracing code in bdb
FredericDT Jul 22, 2025
8bfd968
Remove 'Python' from docs which previously distinguishing from c events
FredericDT Jul 23, 2025
a60511d
📜🤖 Added by blurb_it.
blurb-it[bot] Jul 23, 2025
5800fad
Trim tail space
FredericDT Jul 23, 2025
ad8028f
For inline literals, use double backticks
FredericDT Jul 23, 2025
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6 changes: 1 addition & 5 deletions Doc/library/bdb.rst
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Expand Up @@ -192,12 +192,8 @@ The :mod:`bdb` module also defines two classes:
entered.
* ``"return"``: A function or other code block is about to return.
* ``"exception"``: An exception has occurred.
* ``"c_call"``: A C function is about to be called.
* ``"c_return"``: A C function has returned.
* ``"c_exception"``: A C function has raised an exception.

For the Python events, specialized functions (see below) are called. For
the C events, no action is taken.
For all the events, specialized functions (see below) are called.

The *arg* parameter depends on the previous event.

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13 changes: 2 additions & 11 deletions Lib/bdb.py
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Expand Up @@ -267,12 +267,9 @@ def trace_dispatch(self, frame, event, arg):
is entered.
return: A function or other code block is about to return.
exception: An exception has occurred.
c_call: A C function is about to be called.
c_return: A C function has returned.
c_exception: A C function has raised an exception.

For the Python events, specialized functions (see the dispatch_*()
methods) are called. For the C events, no action is taken.
For all the events, specialized functions (see the dispatch_*()
methods) are called.

The arg parameter depends on the previous event.
"""
Expand All @@ -288,12 +285,6 @@ def trace_dispatch(self, frame, event, arg):
return self.dispatch_return(frame, arg)
if event == 'exception':
return self.dispatch_exception(frame, arg)
if event == 'c_call':
return self.trace_dispatch
if event == 'c_exception':
return self.trace_dispatch
if event == 'c_return':
return self.trace_dispatch
if event == 'opcode':
return self.dispatch_opcode(frame, arg)
print('bdb.Bdb.dispatch: unknown debugging event:', repr(event))
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2025-07-23-11-59-48.gh-issue-136980.BIJzkB.rst
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@@ -0,0 +1 @@
Remove unused C tracing code in bdb for event type ``c_call``, ``c_return`` and ``c_exception``
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