Charlie Marsh
614c07329b
## Summary Closes https://github.com/astral-sh/uv/issues/2529. ## Test Plan - `mkdir .venv` - `touch .venv/foo` - `cargo run venv` (ensure failure) - `cargo run venv --force` (ensure success) - `cargo run venv --force` (ensure success again)
63 lines
1.8 KiB
Rust
63 lines
1.8 KiB
Rust
use std::io;
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use std::path::Path;
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use thiserror::Error;
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use platform_tags::PlatformError;
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use uv_interpreter::{Interpreter, PythonEnvironment};
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pub use crate::bare::create_bare_venv;
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mod bare;
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#[derive(Debug, Error)]
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pub enum Error {
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#[error(transparent)]
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IO(#[from] io::Error),
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#[error("Failed to determine python interpreter to use")]
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InterpreterError(#[from] uv_interpreter::Error),
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#[error(transparent)]
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Platform(#[from] PlatformError),
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#[error("Could not find a suitable Python executable for the virtual environment based on the interpreter: {0}")]
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NotFound(String),
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}
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/// The value to use for the shell prompt when inside a virtual environment.
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#[derive(Debug)]
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pub enum Prompt {
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/// Use the current directory name as the prompt.
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CurrentDirectoryName,
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/// Use the fixed string as the prompt.
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Static(String),
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/// Default to no prompt. The prompt is then set by the activator script
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/// to the virtual environment's directory name.
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None,
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}
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impl Prompt {
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/// Determine the prompt value to be used from the command line arguments.
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pub fn from_args(prompt: Option<String>) -> Self {
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match prompt {
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Some(prompt) if prompt == "." => Self::CurrentDirectoryName,
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Some(prompt) => Self::Static(prompt),
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None => Self::None,
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}
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}
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}
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/// Create a virtualenv.
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pub fn create_venv(
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location: &Path,
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interpreter: Interpreter,
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prompt: Prompt,
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system_site_packages: bool,
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force: bool,
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) -> Result<PythonEnvironment, Error> {
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// Create the virtualenv at the given location.
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let virtualenv = create_bare_venv(location, &interpreter, prompt, system_site_packages, force)?;
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// Create the corresponding `PythonEnvironment`.
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let interpreter = interpreter.with_virtualenv(virtualenv);
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Ok(PythonEnvironment::from_interpreter(interpreter))
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}
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