fix(model): Do a simplified process of hash algorithm

Signed-off-by: Helio Chissini de Castro <helio.chissini.de.castro@cariad.technology>

Author: heliocastro

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "uv_build"
 
 [project]
 name = "python-ort"
-version = "0.8.6"
+version = "0.8.7"
 description = "A Python Ort model serialization library"
 readme = "README.md"
 license = "MIT"

src/ort/models/__init__.py

@@ -18,7 +18,6 @@
 from .dependency_graph_node import DependencyGraphNode
 from .dependency_reference import DependencyReference
 from .hash import Hash
-from .hash_algorithm import HashAlgorithm
 from .identifier import Identifier
 from .issue import Issue
 from .ort_result import OrtResult
@@ -48,7 +47,6 @@
     "DependencyGraphNode",
     "DependencyReference",
     "Hash",
-    "HashAlgorithm",
     "Identifier",
     "Includes",
     "Excludes",

src/ort/models/hash.py

@@ -1,9 +1,16 @@
 # SPDX-FileCopyrightText: 2025 Helio Chissini de Castro <heliocastro@gmail.com>
 # SPDX-License-Identifier: MIT
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, field_validator
 
-from .hash_algorithm import HashAlgorithm
+ALGO_LIST: dict[str, list] = {
+    "MD5": ["MD5"],
+    "SHA1": ["SHA-1", "SHA1"],
+    "SHA256": ["SHA-256", "SHA256"],
+    "SHA384": ["SHA-384", "SHA384"],
+    "SHA512": ["SHA-512", "SHA512"],
+    "SHA1GIT": ["SHA-1-GIT", "SHA1-GIT", "SHA1GIT", "SWHID"],
+}
 
 
 class Hash(BaseModel):
@@ -15,5 +22,18 @@ class Hash(BaseModel):
         algorithm (HashAlgorithm): The algorithm used to calculate the hash value.
     """
 
-    value: str = Field(description="The value calculated using the hash algorithm.")
-    algorithm: HashAlgorithm = Field(description="The algorithm used to calculate the hash value.")
+    value: str = Field(
+        description="The value calculated using the hash algorithm.",
+    )
+    algorithm: str = Field(
+        default="NONE",
+        description="The algorithm used to calculate the hash value.",
+    )
+
+    @field_validator("algorithm", mode="before")
+    @classmethod
+    def validate_algorithm(cls, value):
+        for key, item in ALGO_LIST.items():
+            if value in item:
+                return key
+        return "UNKNOWN"