jsonschema -> fastjsonschema

.cirrus.yml

@@ -23,8 +23,7 @@ test_task:
     - POETRY_HOME=/opt/poetry
     - $PYTHON -m venv $POETRY_HOME
     - $POETRY_HOME/bin/pip install --upgrade pip setuptools wheel
-    # jsonschema 4.18 uses Rust-based libraries which causes issues when building from source
-    - $POETRY_HOME/bin/pip install poetry "jsonschema<4.18.0"
+    - $POETRY_HOME/bin/pip install poetry
     - echo "PATH=$POETRY_HOME/bin:$PATH" >> $CIRRUS_ENV
   install_and_test_script:
     - poetry install

pyproject.toml

@@ -39,10 +39,9 @@ cachecontrol = { version = "^0.13.0", extras = ["filecache"] }
 cleo = "^2.0.0"
 crashtest = "^0.4.1"
 dulwich = "^0.21.2"
+fastjsonschema = "^2.18.0"
 importlib-metadata = { version = ">=4.4", python = "<3.10" }
 installer = "^0.7.0"
-# jsonschema 4.18 uses Rust-based libraries which causes issues when building from source
-jsonschema = ">=4.10.0,<4.18.0"
 keyring = "^24.0.0"
 # packaging uses calver, so version is unclamped
 packaging = ">=20.4"
@@ -74,7 +73,6 @@ pytest-xdist = { version = "^3.1", extras = ["psutil"] }
 
 [tool.poetry.group.typing.dependencies]
 mypy = ">=1.0"
-types-jsonschema = ">=4.9.0"
 types-requests = ">=2.28.8"
 
 # only used in github actions
@@ -181,6 +179,7 @@ warn_unused_ignores = false
 [[tool.mypy.overrides]]
 module = [
     'deepdiff.*',
+    'fastjsonschema.*',
     'httpretty.*',
     'keyring.*',
     'pexpect.*',

src/poetry/json/__init__.py

@@ -5,8 +5,9 @@
 from pathlib import Path
 from typing import Any
 
-import jsonschema
+import fastjsonschema
 
+from fastjsonschema.exceptions import JsonSchemaException
 from poetry.core.json import SCHEMA_DIR as CORE_SCHEMA_DIR
 
 
@@ -21,18 +22,13 @@ def validate_object(obj: dict[str, Any]) -> list[str]:
     schema_file = Path(SCHEMA_DIR, "poetry.json")
     schema = json.loads(schema_file.read_text(encoding="utf-8"))
 
-    validator = jsonschema.Draft7Validator(schema)
-    validation_errors = sorted(validator.iter_errors(obj), key=lambda e: e.path)
+    validate = fastjsonschema.compile(schema)
 
     errors = []
-
-    for error in validation_errors:
-        message = error.message
-        if error.path:
-            path = ".".join(str(x) for x in error.absolute_path)
-            message = f"[{path}] {message}"
-
-        errors.append(message)
+    try:
+        validate(obj)
+    except JsonSchemaException as e:
+        errors = [e.message]
 
     core_schema = json.loads(
         (CORE_SCHEMA_DIR / "poetry-schema.json").read_text(encoding="utf-8")

tests/json/test_schema_sources.py

@@ -29,8 +29,8 @@ def test_pyproject_toml_invalid_priority() -> None:
     content = toml["tool"]["poetry"]
     assert Factory.validate(content) == {
         "errors": [
-            "[source.0.priority] 'arbitrary' is not one of ['primary', 'default',"
-            " 'secondary', 'supplemental', 'explicit']"
+            "data.source[0].priority must be one of ['primary', 'default', "
+            "'secondary', 'supplemental', 'explicit']"
         ],
         "warnings": [],
     }
@@ -42,12 +42,6 @@ def test_pyproject_toml_invalid_priority_legacy_and_new() -> None:
     ).read()
     content = toml["tool"]["poetry"]
     assert Factory.validate(content) == {
-        "errors": [
-            "[source.0] {'name': 'pypi-simple', 'url': "
-            "'https://pypi.org/simple/', 'default': False, 'priority': "
-            "'primary'} should not be valid under {'anyOf': [{'required': "
-            "['priority', 'default']}, {'required': ['priority', "
-            "'secondary']}]}"
-        ],
+        "errors": ["data.source[0] must NOT match a disallowed definition"],
         "warnings": [],
     }