dosubot[bot] commented on issue #33241:
URL: https://github.com/apache/superset/issues/33241#issuecomment-2830219121
<!-- Answer -->
To resolve the "No module named 'MySQLdb'" error when upgrading to Superset
version 5.0.0rc2 using the official Docker image, you can follow these steps:
1. **Create a `requirements-local.txt` file** in the Docker directory:
```bash
touch ./docker/requirements-local.txt
```
2. **Add `mysqlclient` to the file**:
```bash
echo "mysqlclient" >> ./docker/requirements-local.txt
```
3. **Launch Superset** with the appropriate Docker Compose file:
- If you are using a stock (non-customized) Superset image, run:
```bash
docker compose -f docker-compose-non-dev.yml up
```
4. **For a customized Docker image**, create a custom Dockerfile that
includes the necessary build dependencies before installing the `mysqlclient`
package. This is important because starting from Superset version 4.1.0,
database drivers were removed from the base Docker image to create a leaner
image.
5. **Rebuild your local image** with the new driver and dependencies
included:
```bash
docker compose build --force-rm
```
After rebuilding, relaunch Superset by running:
```bash
docker compose up
```
6. **Verify the installation** by entering the running container:
```bash
docker exec -it <container_name> bash
```
Then run `pip freeze` to check that the `mysqlclient` package is listed.
Additionally, the use of `uv` for package installation in the Superset
Docker image can cause permission issues. If you encounter a 'uv: command not
found' error, you can modify the installation script to check for the presence
of 'uv' and use 'pip' if 'uv' is not available. Here's a snippet to handle this:
```bash
if command -v uv > /dev/null 2>&1; then
uv pip install --no-cache-dir -r "${REQUIREMENTS_LOCAL}"
else
pip install --no-cache-dir -r "${REQUIREMENTS_LOCAL}"
fi
```
These steps should help ensure that the `mysqlclient` package is installed
and accessible by the Superset user within the Docker environment
<sup>[[1]](https://github.com/apache/superset/discussions/31432)</sup><sup>[[2]](https://github.com/apache/superset/issues/32733)</sup>.
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