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Title: gs-usb WinUSB support and timeout=none is forever by BenGardiner · Pull Request #2031 · hardbyte/python-can · GitHub

Open Graph Title: gs-usb WinUSB support and timeout=none is forever by BenGardiner · Pull Request #2031 · hardbyte/python-can

X Title: gs-usb WinUSB support and timeout=none is forever by BenGardiner · Pull Request #2031 · hardbyte/python-can

Description: Summary of Changes This changes gs_usb handling of timeout=None to 'forever' by passing 0 to the underlying layer as suggested by @zariiii9003 in #2026 . But first I needed to make gs_usb use WinUSB instead of libusbK because I didn't want to zadig anymore. I had no clue how to do this so I got copilot claude opus 4.6 to make those base changes. Here's what they said in BenGardiner#1 The upstream gs_usb package hardcodes backend=libusb1.get_backend() in GsUsb.scan() and GsUsb.find(), which forces the libusb1 backend and requires libusbK on Windows. WCID-compatible devices (e.g. candleLight) auto-install WinUSB, but the forced backend prevents it from working. Additionally, the gs_usb interface directly imports usb (pyusb) but pyusb was only a transitive dependency via the gs-usb package, causing No module named 'usb' on import. can/interfaces/gs_usb.py: Replace GsUsb.scan() / GsUsb.find() with local _scan_gs_usb_devices() / _find_gs_usb_device() that call usb.core.find() without specifying a backend, letting pyusb auto-detect (WinUSB, libusbK, libusb, etc.) pyproject.toml: Add pyusb>=1.0.2 as explicit dependency in the gs-usb optional group since we now import usb directly doc/interfaces/gs_usb.rst: Update Windows driver guidance to reflect both WinUSB and libusbK support test/test_interface_gs_usb.py: Add tests verifying no backend is forced in device discovery I have tested here on a 500Kbps medium load bus; I used the same device and setup with all of the cantact, candle and gs_usb python-can drivers and got the same results Related Issues / Pull Requests Related to #2026 Type of Change Bug fix New feature Documentation update Refactoring Other (please describe): Checklist I have followed the contribution guide. I have added or updated tests as appropriate. I have added or updated documentation as appropriate. I have added a news fragment for towncrier. All checks and tests pass (tox). Additional Notes I will add news frag once I know what the PR # is.

Open Graph Description: Summary of Changes This changes gs_usb handling of timeout=None to 'forever' by passing 0 to the underlying layer as suggested by @zariiii9003 in #2026 . But first I needed to make gs_usb ...

X Description: Summary of Changes This changes gs_usb handling of timeout=None to 'forever' by passing 0 to the underlying layer as suggested by @zariiii9003 in #2026 . But first I needed to make...

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b335bbd Update gs_usb driver to support WinUSB by not forcing libusb1 backend Copilot Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/b335bbda21e004de3ac14db6ccded14331494851
eecde92 Add pyusb as explicit dependency in gs-usb optional group Copilot Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/eecde923084b617e2bbd5615547f768bfa2205c7
2408840 gs_usb: treat timeout=None as forever BenGardiner Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/2408840284fc53dcc0b93293fe56dd2942f126ac
d7e2e3a add news fragment BenGardiner Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/d7e2e3a4acc624dffa89b1b1484d407ae1521c38
1e68110 formatting fixes BenGardiner Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/1e68110dffc867f1976b05b677752fd1ae2357ae
f0cbee0 gs_usb module needed in tests deps now BenGardiner Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/f0cbee0b90b659801a05f9b50091ba5126003df8
4367d90 Fix gs_usb shutdown to always call parent BusABC.shutdown() Copilot Feb 23, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/4367d9071a8e042b6133996876e15634c3a2918c
9618934 note pyusb not WinUSB in news and news frags are a sentence not a lis… BenGardiner Mar 4, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/961893479bfd5bb432e66a46bde1cb5727737140
ea01de5 put gs-usb dep into tox.ini (@zariiii9003) BenGardiner Mar 4, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/ea01de5870a594282543920252509a6b02c510a4
75fe619 combine _scan_gs_usb_devices() and _find_gs_usb_device() (@zariiii9003) BenGardiner Mar 4, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/75fe6190556a02107bb970f1fe5925b808e00247
3e5b1c0 don't instantiate a GsUsb device for every one detected (@zariiii9003) BenGardiner Mar 4, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/3e5b1c062ea6166f19680d64b0c5e68736aaef2d
22a3cbd remove gs-usb from mypy (@zariiii9003) BenGardiner Mar 6, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/22a3cbde0aaf177e0772764f276657707f208a8b
ceeef98 gs_usb: explicitly handle timeout=None separate from =0 (@zariiii9003) BenGardiner Mar 6, 2026 https://github.com/hardbyte/python-can/pull/2031/commits/ceeef98bc9424782251e2169d09e0fb4f1df89a6
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