bazel-contrib / bazel-contrib/rules_python
bazel_dep rules_python cause Tkinter xcb error
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# 🐞 bug report
### Affected Rule
The issue is caused by the rule:
`py_binary`
### Is this a regression?
previous rules_python not work, for example 0.28.0
### Description
use `bazel_dep` `rules_python` cause Tkinter xcb error
```
$ bazel run //app:app
INFO: Analyzed target //app:app (75 packages loaded, 2984 targets configured).
INFO: Found 1 target...
Target //app:app up-to-date:
bazel-bin/app/app
INFO: Elapsed time: 0.363s, Critical Path: 0.05s
INFO: 5 processes: 5 internal.
INFO: Build completed successfully, 5 total actions
INFO: Running command line: bazel-bin/app/app
[xcb] Unknown sequence number while appending request
[xcb] You called XInitThreads, this is not your fault
[xcb] Aborting, sorry about that.
python3: ../../src/xcb_io.c:157: append_pending_request: Assertion `!xcb_xlib_unknown_seq_number' failed.
Aborted (core dumped)
```
`MODULE.bazel`
```
bazel_dep(name = "rules_python", version = "0.31.0")
```
`app.py`
```
import ctypes
x11 = ctypes.cdll.LoadLibrary("libX11.so")
x11.XInitThreads()
import tkinter as tk
app = tk.Tk()
button = tk.Button(app, text="Press me")
button.pack()
app.mainloop()
```
## 🔬 Minimal Reproduction
you can clone my repo to reproduce issue
https://github.com/redheli/bazel_issue_reproduce
## 🔥 Exception or Error
[xcb] Unknown sequence number while appending request
[xcb] You called XInitThreads, this is not your fault
[xcb] Aborting, sorry about that.
python3: ../../src/xcb_io.c:157: append_pending_request: Assertion `!xcb_xlib_unknown_seq_number' failed.
Aborted (core dumped)
## 🌍 Your Environment
**Operating System:**
$ uname -a
Linux max-ga503rm 5.19.0-40-generic #41~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 31 16:00:14 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
**Output of `bazel version`:**
$ bazel --version
bazel 7.0.2
**Rules_python version:**
0.31.0
**Anything else relevant?**
workaround is to use `--noenable_bzlmod` , but it is not an option for my project.
Beitragsleitfaden
Rechercherichtung
Start with MODULE.bazel and app.py in the linked minimal reproduction, then run `bazel run //app:app` with rules_python 0.31.0 and `--noenable_bzlmod` for comparison. Trace the `py_binary` launch under bazel_dep and confirm the fix prevents the Tkinter XCB abort while preserving normal application startup.
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Bewertung
- Tech-Stack
- python
- Bereich
- build-system
- Issue-Typ
- Bug
- Schwierigkeit
- 3/5
- Geschätzter Aufwand
- 1-2 Tage
- Aktivitätsstatus
- Veraltet
- Klarheit
- Größtenteils klar
- Anfängerfreundlichkeit
- 35/100