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45 lines
2.1 KiB
Markdown
45 lines
2.1 KiB
Markdown
# Configuration files
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uv supports persistent configuration files at both the project- and user-level.
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Specifically, uv will search for a `pyproject.toml` or `uv.toml` file in the current directory, or
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in the nearest parent directory.
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If a `pyproject.toml` file is found, uv will read configuration from the `[tool.uv.pip]` table.
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For example, to set a persistent index URL, add the following to a `pyproject.toml`:
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```toml title="project.toml"
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[tool.uv.pip]
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index-url = "https://test.pypi.org/simple"
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```
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(If there is no such table, the `pyproject.toml` file will be ignored, and uv will continue searching in
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the directory hierarchy.)
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If a `uv.toml` file is found, uv will read from the `[pip]` table. For example:
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```toml title="uv.toml"
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[pip]
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index-url = "https://test.pypi.org/simple"
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```
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uv will also discover user-level configuration at `~/.config/uv/uv.toml` (or
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`$XDG_CONFIG_HOME/uv/uv.toml`) on macOS and Linux, or `%APPDATA%\uv\uv.toml` on Windows. User-level
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configuration must use the `uv.toml` format, rather than the `pyproject.toml` format, as a
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`pyproject.toml` is intended to define a Python _project_.
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If both project- and user-level configuration are found, the settings will be merged, with the
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project-level configuration taking precedence. Specifically, if a string, number, or boolean is
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present in both tables, the project-level value will be used, and the user-level value will be
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ignored. If an array is present in both tables, the arrays will be concatenated, with the
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project-level settings appearing earlier in the merged array.
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Settings provided via environment variables take precedence over persistent configuration, and
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settings provided via the command line take precedence over both.
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uv accepts a `--isolated` command-line argument which, when provided, disables the discovery of any
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persistent configuration.
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uv also accepts a `--config-file` command-line argument, which accepts a path to a `uv.toml` to use
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as the configuration file. When provided, this file will be used in place of _any_ discovered
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configuration files (e.g., user-level configuration will be ignored).
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