allowed string seeds

fileformats/core/fileset.py

@@ -905,7 +905,10 @@ def mock(cls, *fspaths: ty.Tuple[ty.Union[Path, str]]) -> "FileSet":
 
     @classmethod
     def sample(
-        cls, dest_dir: ty.Optional[Path] = None, seed: int = 0, stem: str = None
+        cls,
+        dest_dir: ty.Optional[Path] = None,
+        seed: ty.Union[int, str] = 0,
+        stem: str = None,
     ) -> Self:
         """Return an sample instance of the file-set type for classes where the
         `test_data` extra has been implemented

fileformats/core/mixin.py

@@ -659,13 +659,13 @@ def namespace(cls):  # pylint: disable=no-self-argument
             namespace = super().namespace
         return namespace
 
-    @property
-    def type_name(self):
+    @classproperty
+    def type_name(cls):
         """Name of type including classifiers to be used in __repr__"""
-        if self.is_classified:
-            unclassified = self.unclassified.__name__
+        if cls.is_classified:
+            unclassified = cls.unclassified.__name__
         else:
-            unclassified = type(self).__name__
+            unclassified = type(cls).__name__
         return (
-            unclassified + "[" + ", ".join(t.type_name for t in self.classifiers) + "]"
+            unclassified + "[" + ", ".join(t.type_name for t in cls.classifiers) + "]"
         )

fileformats/core/sampling.py

@@ -20,7 +20,7 @@ class SampleFileGenerator:
     """
 
     dest_dir: Path
-    seed: int
+    seed: ty.Union[int, str]
     fname_stem: str
 
     FNAME_STEM_LENGTH = 24