Update hashlib usage (#8058)

src/poetry/publishing/uploader.py

@@ -27,8 +27,6 @@ if TYPE_CHECKING:
 
 
     from poetry.poetry import Poetry
     from poetry.poetry import Poetry
 
 
-_has_blake2 = hasattr(hashlib, "blake2b")
-
 
 
 class UploadError(Exception):
 class UploadError(Exception):
     def __init__(self, error: ConnectionError | HTTPError | str) -> None:
     def __init__(self, error: ConnectionError | HTTPError | str) -> None:
@@ -115,7 +113,6 @@ class Uploader:
 
 
         file_type = self._get_type(file)
         file_type = self._get_type(file)
 
 
-        if _has_blake2:
         blake2_256_hash = hashlib.blake2b(digest_size=256 // 8)
         blake2_256_hash = hashlib.blake2b(digest_size=256 // 8)
 
 
         md5_hash = hashlib.md5()
         md5_hash = hashlib.md5()
@@ -124,14 +121,10 @@ class Uploader:
             for content in iter(lambda: fp.read(io.DEFAULT_BUFFER_SIZE), b""):
             for content in iter(lambda: fp.read(io.DEFAULT_BUFFER_SIZE), b""):
                 md5_hash.update(content)
                 md5_hash.update(content)
                 sha256_hash.update(content)
                 sha256_hash.update(content)
-
-                if _has_blake2:
                 blake2_256_hash.update(content)
                 blake2_256_hash.update(content)
 
 
         md5_digest = md5_hash.hexdigest()
         md5_digest = md5_hash.hexdigest()
         sha2_digest = sha256_hash.hexdigest()
         sha2_digest = sha256_hash.hexdigest()
-        blake2_256_digest: str | None = None
-        if _has_blake2:
         blake2_256_digest = blake2_256_hash.hexdigest()
         blake2_256_digest = blake2_256_hash.hexdigest()
 
 
         py_version: str | None = None
         py_version: str | None = None

tests/utils/test_helpers.py

@@ -74,17 +74,9 @@ def test_default_hash(fixture_dir: FixtureDirGetter) -> None:
     assert get_file_hash(fixture_dir("distributions") / "demo-0.1.0.tar.gz") == sha_256
     assert get_file_hash(fixture_dir("distributions") / "demo-0.1.0.tar.gz") == sha_256
 
 
 
 
-try:
-    from hashlib import algorithms_guaranteed
-except ImportError:
-    algorithms_guaranteed = {"md5", "sha1", "sha224", "sha256", "sha384", "sha512"}
-
-
 @pytest.mark.parametrize(
 @pytest.mark.parametrize(
     "hash_name,expected",
     "hash_name,expected",
     [
     [
-        (hash_name, value)
-        for hash_name, value in [
         ("sha224", "d26bd24163fe91c16b4b0162e773514beab77b76114d9faf6a31e350"),
         ("sha224", "d26bd24163fe91c16b4b0162e773514beab77b76114d9faf6a31e350"),
         (
         (
             "sha3_512",
             "sha3_512",
@@ -120,8 +112,6 @@ except ImportError:
             "sha3_256",
             "sha3_256",
             "7da5c08b416e6bcb339d6bedc0fe077c6e69af00607251ef4424c356ea061fcb",
             "7da5c08b416e6bcb339d6bedc0fe077c6e69af00607251ef4424c356ea061fcb",
         ),
         ),
-        ]
-        if hash_name in algorithms_guaranteed
     ],
     ],
 )
 )
 def test_guaranteed_hash(
 def test_guaranteed_hash(