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Read package metadata from pyproject.toml
when statically defined
#2676
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@@ -987,7 +986,7 @@ fn reinstall_build_system() -> Result<()> { | |||
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----- stderr ----- | |||
Resolved 8 packages in [TIME] | |||
Downloaded 7 packages in [TIME] | |||
Downloaded 8 packages in [TIME] |
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This is correct, because we no longer download flit-core
during the resolution phase.
/// PEP 621 project metadata. | ||
/// | ||
/// This is a subset of the full metadata specification, and only includes the fields that are | ||
/// relevant for dependency resolution. |
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/// relevant for dependency resolution. | |
/// relevant for dependency resolution. | |
/// See <https://packaging.python.org/en/latest/specifications/pyproject-toml>. |
let s = r#" | ||
[project] | ||
name = "asdf" | ||
"#; | ||
let meta = Metadata23::parse_pyproject_toml(s); | ||
assert!(matches!(meta, Err(Error::FieldNotFound("version")))); |
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That is even an invalid pyproject.toml ("The keys which are required but may be specified either statically or listed as dynamic are: version")
assert!(meta.provides_extras.is_empty()); | ||
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let s = r#" | ||
[project] |
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I'm pretty sure most users don't get that eliding the dependencies
key means declaring that you have no deps, but that's the spec.
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Summary
Now that we're resolving metadata more aggressively for local sources, it's worth doing this. We now pull metadata from the
pyproject.toml
directly if it's statically-defined.Closes #2629.