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Add environment variable for --no-build-isolation #3309

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morotti opened this issue Apr 29, 2024 · 1 comment · Fixed by #3318
Closed

Add environment variable for --no-build-isolation #3309

morotti opened this issue Apr 29, 2024 · 1 comment · Fixed by #3318
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configuration Settings and such

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@morotti
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morotti commented Apr 29, 2024 •
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Hello,

I am trying to use the --no-build-isolation option, introduced in #2258
It's necessary to make uv/pip use the current venv when installing or building packages.
It's largely used in build systems and environments where a venv is already prepared to build/install packages.

I am finding that the option is not working when set by an environment variable? I think it might not be implemented.
Or the environment variable name/value might be something else. I've tried a few variants I could think of but that did not help.

# pass
uv pip install -e . --no-build-isolation

# fail
UV_NO_BUILD_ISOLATION=true uv pip install -e .

uv version 0.1.39 (latest as of today)
@zanieb
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zanieb commented Apr 29, 2024

Yeah, we don't provide an environment variable for this yet.

@zanieb zanieb added the configuration Settings and such label Apr 29, 2024
@zanieb zanieb changed the title UV_NO_BUILD_ISOLATION=true has no effect Add environment variable for --no-build-isolation Apr 29, 2024
@flyaroundme flyaroundme mentioned this issue Apr 30, 2024
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charliermarsh pushed a commit that referenced this issue Apr 30, 2024
@flyaroundme
Add UV_NO_BUILD_ISOLATION as environment variable (#3318)
f77583e 
## Summary
Hi! Added `UV_NO_BUILD_ISOLATION` as a boolean environment variable for
the `--no-build-isolation` command-line option.

Closes #3309

## Test Plan

Added new test `respect_no_build_isolation_env_var` to check that the
behaviour is the same as if the ``--no-build-isolation``
command-line-option is set.
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Add UV_NO_BUILD_ISOLATION as environment variable flyaroundme/uv
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@zanieb @morotti