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Virtual Environment

run Command​

When using dora with the run command, all python environment will be handled by the current environment.

You should activate the right env before running dora.

You can make sure

start command​

When using dora start, you have to make sure that the daemon is running within the right environement.

It is the one that is handled within the dora up command.

In case of confusion, you can use dora destroy && dora up in the env, you want to be.

Setting an arbitrary environment​

You can overwrite an environment using the VIRTUAL_ENV environment variable within the dataflow specification:

- id: llm
  build: |
    pip install flash-attn --no-build-isolation
    pip install -e ../../node-hub/dora-phi4
  path: dora-phi4
  inputs:
    text: input/text
  outputs:
    - text
  env:
    VIRTUAL_ENV: /home/peter/Documents/work/dora/node-hub/dora-phi4/.venv

And run your datflow with uv:

dora run dataflow.yml --uv

Using uv with --uv flag​

In order to avoid having to activate and deactivate environment you can create an environment using:

uv venv

And run dora pipeline without activating environment with:

dora build dataflow.yml --uv
dora run dataflow.yml --uv