Charlie Marsh
b3d7beb1a0
## Summary
This appears to be a consistent 1% performance improvement and should
also reduce memory quite a bit. We've also decided to use these for
markers, so it's nice to use the same optimization here.
```
❯ hyperfine "./uv pip compile --universal scripts/requirements/airflow.in" "./arcstr pip compile --universal scripts/requirements/airflow.in" --min-runs 50 --warmup 20
Benchmark 1: ./uv pip compile --universal scripts/requirements/airflow.in
Time (mean ± σ): 136.3 ms ± 4.0 ms [User: 139.1 ms, System: 241.9 ms]
Range (min … max): 131.5 ms … 149.5 ms 50 runs
Benchmark 2: ./arcstr pip compile --universal scripts/requirements/airflow.in
Time (mean ± σ): 134.9 ms ± 3.2 ms [User: 137.6 ms, System: 239.0 ms]
Range (min … max): 130.1 ms … 151.8 ms 50 runs
Summary
./arcstr pip compile --universal scripts/requirements/airflow.in ran
1.01 ± 0.04 times faster than ./uv pip compile --universal scripts/requirements/airflow.in
```
72 lines
1.9 KiB
Rust
72 lines
1.9 KiB
Rust
use std::fmt;
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use std::fmt::{Display, Formatter};
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use std::str::FromStr;
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use std::sync::LazyLock;
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use serde::{Deserialize, Deserializer, Serialize, Serializer};
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use crate::small_string::SmallString;
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use crate::{validate_and_normalize_owned, validate_and_normalize_ref, InvalidNameError};
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/// The normalized name of a dependency group.
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///
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/// See:
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/// - <https://peps.python.org/pep-0735/>
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/// - <https://packaging.python.org/en/latest/specifications/name-normalization/>
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#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
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#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
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pub struct GroupName(SmallString);
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impl GroupName {
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/// Create a validated, normalized group name.
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pub fn new(name: String) -> Result<Self, InvalidNameError> {
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validate_and_normalize_owned(name).map(Self)
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}
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}
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impl FromStr for GroupName {
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type Err = InvalidNameError;
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fn from_str(name: &str) -> Result<Self, Self::Err> {
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validate_and_normalize_ref(name).map(Self)
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}
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}
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impl<'de> Deserialize<'de> for GroupName {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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let s = String::deserialize(deserializer)?;
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Self::from_str(&s).map_err(serde::de::Error::custom)
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}
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}
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impl Serialize for GroupName {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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self.0.serialize(serializer)
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}
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}
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impl Display for GroupName {
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fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
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self.0.fmt(f)
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}
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}
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impl AsRef<str> for GroupName {
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fn as_ref(&self) -> &str {
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&self.0
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}
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}
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/// The name of the global `dev-dependencies` group.
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///
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/// Internally, we model dependency groups as a generic concept; but externally, we only expose the
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/// `dev-dependencies` group.
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pub static DEV_DEPENDENCIES: LazyLock<GroupName> =
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LazyLock::new(|| GroupName::new("dev".to_string()).unwrap());
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