Char support #1282
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Char support #1282
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davidhewitt
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Nov 19, 2020
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davidhewitt
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👍 looks great, thanks! I made some minor nitpicks, only one I'd definitely like to see is the error message formatting.
Also CHANGELOG entry 😉
src/conversion.rs
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| where | ||
| T: ToPyObject, | ||
| { | ||
| impl<'a, T: ?Sized + ToPyObject> ToPyObject for &'a T { |
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👍 nice! I think the lifetime can maybe also be anonymous
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| impl<'a, T: ?Sized + ToPyObject> ToPyObject for &'a T { | |
| impl<T: ?Sized + ToPyObject> ToPyObject for &'_ T { |
src/types/string.rs
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| impl<'source> FromPyObject<'source> for char { | ||
| fn extract(obj: &'source PyAny) -> PyResult<Self> { |
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Similarly can skip the lifetime here:
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| impl<'source> FromPyObject<'source> for char { | |
| fn extract(obj: &'source PyAny) -> PyResult<Self> { | |
| impl FromPyObject<'_> for char { | |
| fn extract(obj: &PyAny) -> PyResult<Self> { |
src/types/string.rs
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| Ok(ch) | ||
| } else { | ||
| Err(crate::exceptions::PyValueError::new_err(format!( | ||
| "Expected a sting of length 1", |
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typo sting -> string, and I think the recommendation in #1212 (comment) was that it's better for us to make errors start with lowercase
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| "Expected a sting of length 1", | |
| "expected a string of length 1", |
| #[test] | ||
| fn test_extract_char() { | ||
| Python::with_gil(|py| { | ||
| let ch = '😃'; |
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I'm working on a PR to fix the clippy errors with new Rust 1.48. |
birkenfeld
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Nov 19, 2020
| let ch = '😃'; | ||
| let py_string = ch.to_object(py); | ||
| let ch2: char = FromPyObject::extract(py_string.as_ref(py)).unwrap(); | ||
| assert_eq!(ch, ch2); |
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Is there a test for the error case (string with len > 1)?
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Rebase on master to fix CI (see #1284). |
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Resolve #1281. Support char and
PyStringconversion.I'm sorry this PR includes some unrelated cleanups. Since recently I don't have much time for PyO3, I think it would be better to do some cleanups when I find the necessity.