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Draft: Working towards pdb debugging support. #499

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@andrewleech andrewleech commented Jun 16, 2022 •
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Details TBD

Requires: micropython/micropython#8767

@andrewleech andrewleech mentioned this pull request Jun 16, 2022
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andrewleech commented Jun 16, 2022 •
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BDB Tested with bdb-example-1.zip / https://gist.github.com/Averroes/a208c5883c601992de08
Output doesn't quite match cpython at this stage, but seems to mostly work.

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andrewleech commented Jun 21, 2022 •
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anl@STEP: ~/micropython/ports/unix $ ./micropython-dev -m pdb ../../tests/net_inet/test_tls_sites.py
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(1)<module>()
-> try:
(Pdb) b 48
Breakpoint 1 at /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py:48
(Pdb) c
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(48)main()
-> for site in SITES:
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(48)main()
-> for site in SITES:
(Pdb) unt 50
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(50)main()
-> if isinstance(site, dict):
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(54)main()
-> try:
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(55)main()
-> test_one(site, opts)
(Pdb) s
--Call--
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(14)test_one()
-> def test_one(site, opts):
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(15)test_one()
-> ai = _socket.getaddrinfo(site, 443)
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(16)test_one()
-> addr = ai[0][-1]
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(18)test_one()
-> s = _socket.socket()
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(20)test_one()
-> try:
(Pdb) s
> /home/anl/micropython/ports/unix/../../tests/net_inet/test_tls_sites.py(21)test_one()
-> s.connect(addr)
(Pdb) p addr
*** NameError("name 'addr' isn't defined",)
(Pdb)

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  • As expected, printing a local variable fails.
  • breakpoints seem to be stopped on the previous line... breaking on a function name main didn't work (presumably because it tried to break on previous line number`
  • pretty easy to crash
(Pdb) exit
FATAL: uncaught NLR 0x7f68a6961fa0

@andrewleech andrewleech force-pushed the pdb branch 5 times, most recently from 949e922 to b7fceca Compare June 22, 2022 06:18
@andrewleech andrewleech mentioned this pull request Nov 8, 2023
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@jonnor jonnor mentioned this pull request Aug 2, 2024
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pi-anl and others added 14 commits June 11, 2025 09:16
@pi-anl
stdlib/os: Update method of extending builtin os.
204900b
@pi-anl
stdlib/os: Provide namedtuple response for os.stat().
63c2c03
@pi-anl
bdb: Add bdb (debugging) module from cpython 3.10.
2bb641c 
Not yet updated for micropython.
Source: https://raw.githubusercontent.com/python/cpython/3.10/Lib/bdb.py
@pi-anl
linecache: Add module from cpython 3.11.
1ef2457 
source: https://github.com/python/cpython/blob/3.11/Lib/linecache.py
@pi-anl
tokenize: Add minimal stub to support linecache.
8eced76
@pi-anl
bdb: Add initial micropython support.
1f036b1 
Requires micropython to be compiled with MICROPY_PY_SYS_SETTRACE.
Also requires micropython/micropython#8767
@HowManyOliversAreThere @pi-anl
code: Add module from cpython 3.11.
f6680d9 
source: https://github.com/python/cpython/blob/3.11/Lib/code.py
@HowManyOliversAreThere @pi-anl
codeop: Add module from cpython 3.11.
7f91a7d 
source: https://github.com/python/cpython/blob/3.11/Lib/codeop.py
@pi-anl
pdb: Add module from cpython 3.11.
d9f4463 
source: https://github.com/python/cpython/blob/3.11/Lib/pdb.py
@HowManyOliversAreThere @pi-anl
code: Initial micropython support.
5f0bac9
@HowManyOliversAreThere @pi-anl
codeop: Initial micropython support.
ac67b6e
@pi-anl
cmd: Add (unused) completekey arg for compatibility.
f1d13d3
@pi-anl
pdb: Initial micropython support.
1d5113d
@pi-anl
os.path: Add stub realpath() function.
b7c81d7
@andrewleech andrewleech mentioned this pull request Jun 11, 2025
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@andrewleech @pi-anl @HowManyOliversAreThere