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gh-121468: Support async breakpoint in pdb #132576

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Merged
gaogaotiantian merged 13 commits into from
Apr 29, 2025
Merged

gh-121468: Support async breakpoint in pdb #132576

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1b77cdb
Add set_trace_async for async support
gaogaotiantian Apr 13, 2025
285efe2
Merge branch 'main' into support-async-breakpoint
gaogaotiantian Apr 16, 2025
677c952
Update docs
gaogaotiantian Apr 16, 2025
15290d5
📜🤖 Added by blurb_it.
blurb-it[bot] Apr 16, 2025
a3401e9
reorder the if checks
gaogaotiantian Apr 16, 2025
50c3c9c
Add breakpoint tests
gaogaotiantian Apr 16, 2025
a6c580d
Merge branch 'main' into support-async-breakpoint
gaogaotiantian Apr 16, 2025
090715b
Update test
gaogaotiantian Apr 16, 2025
ebdc161
Add whatsnew entry
gaogaotiantian Apr 16, 2025
109d8b1
Restructure default function
gaogaotiantian Apr 22, 2025
e953532
Add context var tests
gaogaotiantian Apr 22, 2025
968472d
Merge branch 'main' into support-async-breakpoint
gaogaotiantian Apr 25, 2025
ff09ab2
Add an extra check for get_var()
gaogaotiantian Apr 25, 2025
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Add context var tests
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@gaogaotiantian
gaogaotiantian committed Apr 22, 2025
commit e95353206ed297269f700cfa6a7972704a9d85fa
60 changes: 58 additions & 2 deletions Lib/test/test_pdb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2155,7 +2155,7 @@ def test_pdb_await_support():
... return 42

>>> async def main():
... import pdb;
... import pdb
... task = asyncio.create_task(test())
... await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()
... pass
Expand Down Expand Up @@ -2218,7 +2218,7 @@ def test_pdb_await_with_breakpoint():
... return 42

>>> async def main():
... import pdb;
... import pdb
... task = asyncio.create_task(test())
... await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()

Expand Down Expand Up @@ -2255,6 +2255,62 @@ def test_pdb_await_with_breakpoint():
(Pdb) continue
"""

def test_pdb_await_contextvar():
"""Testing await support context vars

>>> import asyncio
>>> import contextvars

>>> var = contextvars.ContextVar('var')

>>> async def get_var():
... return var.get()

>>> async def set_var(val):
... var.set(val)
... return var.get()

>>> async def main():
... var.set(42)
... import pdb
... await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()

>>> def test_function():
... asyncio.run(main(), loop_factory=asyncio.EventLoop)

>>> with PdbTestInput([
... 'p var.get()',
... 'print(await get_var())',
... 'print(await asyncio.create_task(set_var(100)))',
... 'p var.get()',
... 'print(await set_var(99))',
... 'p var.get()',
... 'continue',
... ]):
... test_function()
> <doctest test.test_pdb.test_pdb_await_contextvar[5]>(4)main()
-> await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()
(Pdb) p var.get()
42
(Pdb) print(await get_var())
42
> <doctest test.test_pdb.test_pdb_await_contextvar[5]>(4)main()
-> await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()
(Pdb) print(await asyncio.create_task(set_var(100)))
100
> <doctest test.test_pdb.test_pdb_await_contextvar[5]>(4)main()
-> await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()
(Pdb) p var.get()
42
(Pdb) print(await set_var(99))
99
> <doctest test.test_pdb.test_pdb_await_contextvar[5]>(4)main()
-> await pdb.Pdb(nosigint=True, readrc=False).set_trace_async()
(Pdb) p var.get()
Comment thread
kumaraditya303 marked this conversation as resolved.
99
(Pdb) continue
"""

def test_pdb_next_command_for_coroutine():
"""Testing skip unwinding stack on yield for coroutines for "next" command

Expand Down
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