Pydantic V2 migration (#16)

Co-authored-by: Trevor Manz <[email protected]>

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           node-version: '20.x'
       - run: npm install -g ajv-cli
-      - run: ajv validate -s schema.json -d "tests/fixtures/{docs/examples/viewconfs,test/{view-configs,view-configs-more}}/*.json"
+      - run: ajv validate --spec=draft2020 -s schema.json -d "tests/fixtures/{docs/examples/viewconfs,test/{view-configs,view-configs-more}}/*.json"
 
   Test:
     name: Test ${{ matrix.python-version }}

pyproject.toml

@@ -10,7 +10,7 @@ license = { text = "MIT" }
 readme = "README.md"
 requires-python = ">=3.8"
 dynamic = ["version"]
-dependencies = ["pydantic>=1.10,<2.0", "rich>=13.0.0"]
+dependencies = ["pydantic>=2.0", "rich>=13.0.0"]
 
 [project.urls]
 homepage = "https://github.com/higlass/higlass-schema"

src/higlass_schema/cli.py

@@ -17,9 +17,11 @@ def check(args: argparse.Namespace) -> None:
     try:
         if args.path == "-":
             raw = "\n".join(sys.stdin.readlines())
-            Viewconf[View[Track]].parse_raw(raw)
+            Viewconf[View[Track]].model_validate_json(raw)
         else:
-            Viewconf[View[Track]].parse_file(args.path)
+            with open(args.path) as file:
+                raw = file.read()
+            Viewconf[View[Track]].model_validate_json(raw)
         console.print("✅ valid viewconf.", style="green")
     except ValidationError:
         msg = "❌ Invalid viewconf."