Forward all dataclass arguments when no pattern is specified

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.8 (unreleased)
+
+- Updated the `@datafile(...)` decorator to be used as a drop-in replacement for `@dataclass(...)`.
+
 # 0.7 (2020-02-20)
 
 - Added a `YAML_LIBRARY` setting to control the underlying YAML library.

datafiles/decorators.py

@@ -13,16 +13,23 @@
 
 
 def datafile(
-    pattern: Union[str, Callable],
+    pattern: Union[str, Callable, None] = None,
     attrs: Optional[Dict[str, Converter]] = None,
     manual: bool = Meta.datafile_manual,
     defaults: bool = Meta.datafile_defaults,
     auto_load: bool = Meta.datafile_auto_load,
     auto_save: bool = Meta.datafile_auto_save,
     auto_attr: bool = Meta.datafile_auto_attr,
+    **kwargs,
 ):
     """Synchronize a data class to the specified path."""
 
+    if pattern is None:
+        return dataclasses.dataclass(**kwargs)
+
+    if callable(pattern):
+        return dataclasses.dataclass(pattern)  # type: ignore
+
     def decorator(cls=None):
         if dataclasses.is_dataclass(cls):
             dataclass = cls
@@ -40,9 +47,6 @@ def decorator(cls=None):
             auto_attr=auto_attr,
         )
 
-    if callable(pattern):
-        return dataclasses.dataclass(pattern)  # type: ignore
-
     return decorator
 
 

datafiles/tests/test_decorators.py

@@ -30,3 +30,11 @@ class Sample:
         cls = decorators.datafile(Sample)
 
         expect(is_dataclass(cls)) == True
+
+    def it_forwards_arguments_dataclass_decorator(expect):
+        class Sample:
+            pass
+
+        cls = decorators.datafile(order=True)(Sample)
+
+        expect(is_dataclass(cls)) == True

pyproject.toml

@@ -1,7 +1,7 @@
 [tool.poetry]
 
 name = "datafiles"
-version = "0.7"
+version = "0.8b1"
 description = "File-based ORM for dataclasses."
 
 license = "MIT"

pytest.ini

@@ -22,7 +22,7 @@ markers =
 
 ignore =.cache,htmlcov,tml
 
-runner = pytest --failed-first --maxfail=1 --disable-warnings
+runner = pytest --failed-first --maxfail=1 --disable-warnings --no-flaky-report
 
 clear = true
 nobeep = true