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Add hashlib hasher repr #5833

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Merged
merged 1 commit into from
Jun 24, 2025
Merged

Add hashlib hasher repr #5833

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4 changes: 0 additions & 4 deletions Lib/test/test_hashlib.py
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Original file line number Diff line number Diff line change
Expand Up @@ -456,8 +456,6 @@ def check_blocksize_name(self, name, block_size=0, digest_size=0,
# split for sha3_512 / _sha3.sha3 object
self.assertIn(name.split("_")[0], repr(m))

# TODO: RUSTPYTHON
@unittest.expectedFailure
def test_blocksize_name(self):
self.check_blocksize_name('md5', 64, 16)
self.check_blocksize_name('sha1', 64, 20)
Expand Down Expand Up @@ -500,8 +498,6 @@ def test_extra_sha3(self):
self.check_sha3('shake_128', 256, 1344, b'\x1f')
self.check_sha3('shake_256', 512, 1088, b'\x1f')

# TODO: RUSTPYTHON implement all blake2 params
@unittest.expectedFailure
@requires_blake2
def test_blocksize_name_blake2(self):
self.check_blocksize_name('blake2b', 128, 64)
Expand Down
14 changes: 12 additions & 2 deletions stdlib/src/hashlib.rs
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Expand Up @@ -6,11 +6,12 @@ pub(crate) use _hashlib::make_module;
pub mod _hashlib {
use crate::common::lock::PyRwLock;
use crate::vm::{
PyObjectRef, PyPayload, PyResult, VirtualMachine,
Py, PyObjectRef, PyPayload, PyResult, VirtualMachine,
builtins::{PyBytes, PyStrRef, PyTypeRef},
convert::ToPyObject,
function::{ArgBytesLike, ArgStrOrBytesLike, FuncArgs, OptionalArg},
protocol::PyBuffer,
types::Representable,
};
use blake2::{Blake2b512, Blake2s256};
use digest::{DynDigest, core_api::BlockSizeUser};
Expand Down Expand Up @@ -96,7 +97,7 @@ pub mod _hashlib {
}
}

#[pyclass]
#[pyclass(with(Representable))]
impl PyHasher {
fn new(name: &str, d: HashWrapper) -> Self {
PyHasher {
Expand Down Expand Up @@ -146,6 +147,15 @@ pub mod _hashlib {
}
}

impl Representable for PyHasher {
fn repr_str(zelf: &Py<Self>, _vm: &VirtualMachine) -> PyResult<String> {
Ok(format!(
"<{} _hashlib.HASH object @ {:#x}>",
zelf.name, zelf as *const _ as usize
))
}
}

#[pyattr]
#[pyclass(module = "_hashlib", name = "HASHXOF")]
#[derive(PyPayload)]
Expand Down
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