tmedicci opened a new pull request, #3487:
URL: https://github.com/apache/nuttx-apps/pull/3487
## Summary
Say hello to Python's `pip` on NuttX!
* interpreters/python: Enable using `pip` to install Python packages
* `pip` is provided as a pre-compiled (pyc) built-in distributed along
with cpython.
Please note that this is an initial development. There are many things to
develop, but this is the starting point. Help is needed (and appreciated, for
sure)!
## Impact
Impact on user: Yes. Provide them `pip` to install Python packages.
Impact on build: No.
Impact on hardware: No.
Impact on documentation: No.
Impact on security: No.
Impact on compatibility: No.
## Testing
`rv-virt:python` can be used to test it:
### Building
```
make -j distclean
./tools/configure.sh -S rv-virt:python
kconfig-tweak -e FS_TMPFS && kconfig-tweak --set-val FS_HEAPSIZE 2097152
kconfig-tweak --set-val RAM_SIZE 67108864
kconfig-tweak -e INTERPRETERS_CPYTHON_ENABLE_PIP
make olddefconfig
make -j$(nproc)
```
### Running
Please note that this Python distribution does not support the `_ssl` module
yet, so `pip` can't download packages directly, but it still can be used to
install packages locally. That being said, some preparation is required to
download a python package on the host machine and, then, transferring it to
QEMU.
#### Preparing the Host to serve the Python package
On the host machine, download the Python package and enable a local HTTP
server:
```
pip download --no-deps six -d /tmp/pip_serve/
cd /tmp/pip_serve && python3 -m http.server 8080
```
#### Running RISC-V QEMU
```
qemu-system-riscv32 -semihosting -M virt,aclint=on -cpu rv32 -smp 8 -m 128 \
-global virtio-mmio.force-legacy=false \
-device virtio-serial-device,bus=virtio-mmio-bus.0 \
-chardev
socket,telnet=on,host=127.0.0.1,port=3450,server=on,wait=off,id=foo \
-device virtconsole,chardev=foo \
-device virtio-rng-device,bus=virtio-mmio-bus.1 \
-netdev
user,id=u1,hostfwd=tcp:127.0.0.1:10023-10.0.2.15:23,hostfwd=tcp:127.0.0.1:15001-10.0.2.15:5001
\
-device virtio-net-device,netdev=u1,bus=virtio-mmio-bus.2 \
-drive file=./mydisk-1gb.img,if=none,format=raw,id=hd \
-device virtio-blk-device,bus=virtio-mmio-bus.3,drive=hd \
-bios none -kernel ./nuttx -nographic
ABC[ 0.040000] board_userled: LED 1 set to 0
[ 0.040000] board_userled: LED 2 set to 0
[ 0.040000] board_userled: LED 3 set to 0
telnetd [5:100]
NuttShell (NSH) NuttX-10.4.0
nsh>
```
Then, use `wget -o /tmp/six-1.17.0-py2.py3-none-any.whl
http://<host_ip>:8080/six-1.17.0-py2.py3-none-any.whl` to download the package
to the running QEMU. And, finally, install it with `pip`:
```
nsh> wget -o /tmp/six-1.17.0-py2.py3-none-any.whl
http://192.168.32.163:8080/six-1.17.0-py2.py3-none-any.whl
nsh> python -m pip install --no-build-isolation --no-deps --no-index
--target /tmp /tmp/six-1.17.0-py2.py3-none-any.whl
[ 46.190000] check_and_mount_romfs: Mounting ROMFS filesystem at
target=/usr/local/lib with source=/dev/ram1
WARNING: Disabling truststore since ssl support is missing
Processing /tmp/six-1.17.0-py2.py3-none-any.whl
Installing collected packages: six
Successfully installed six-1.17.0
WARNING: Running pip as the 'root' user can result in broken permissions and
conflicting behaviour with the system package manager, possibly rendering your
system unusable.It is recommended to use a virtual environment instead:
https://pip.pypa.io/warnings/venv. Use the --root-user-action option if you
know what you are doing and want to suppress this warning.
```
Installing the package may take a while (there is still room to optimize it.
Help needed!)
### Results
Check the package's version on Python:
```
nsh> python
[ 288.150000] check_and_mount_romfs: Device is already mounted at
/usr/local/lib
Python 3.13.0 (main, May 14 2026, 12:56:07) [GCC 14.2.0] on nuttx
Type "help", "copyright", "credits" or "license" for more information.
>>> import six
>>> six.__version__
'1.17.0'
>>>
```
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