path implementation added in the data

micromagneticdata/data.py

@@ -1,14 +1,13 @@
 import glob
 import os
+from pathlib import Path
 
 import ipywidgets
 import pandas as pd
-import ubermagutil.typesystem as ts
 
 import micromagneticdata as md
 
 
-@ts.typesystem(name=ts.Typed(expected_type=str), dirname=ts.Typed(expected_type=str))
 class Data:
     """Computational magnetism data class.
 
@@ -43,15 +42,37 @@ class Data:
 
     """
 
-    def __init__(self, name, dirname="./"):
-        self.name = name
-        self.dirname = dirname
-        self.path = os.path.join(dirname, name)
-
+    def __init__(self, name=None, dirname="./", path=None):
+        if path is not None:
+            if name is not None:
+                raise TypeError("No other arguments can be passed with `path`.")
+            self.path = path
+        else:
+            if name is None:
+                raise TypeError("`name` must be provided if `path` is not given.")
+            self.path = Path(dirname) / name
         if not os.path.exists(self.path):
-            msg = f"Directory {self.path=} cannot be found."
+            msg = f"Directory {self.path} cannot be found."
             raise OSError(msg)
 
+    @property
+    def path(self):
+        return self._path
+
+    @path.setter
+    def path(self, path):
+        if not isinstance(path, (str, Path)):
+            raise TypeError(f"Unsupported {type(path)=}; expected str or pathlib.Path")
+        self._path = Path(path).absolute()
+
+    @property
+    def name(self):
+        return self.path.name
+
+    @property
+    def dirname(self):
+        return self.path.parent
+
     def __repr__(self):
         """Representation string.
 
@@ -74,7 +95,7 @@ def __repr__(self):
         Data(...)
 
         """
-        return f"Data(name='{self.name}', dirname='{self.dirname}')"
+        return f"Data(path='{self.path}')"
 
     @property
     def info(self):
@@ -169,7 +190,7 @@ def __getitem__(self, item):
         return md.Drive(
             name=self.name,
             number=range(self.n)[item],
-            dirname=self.dirname,
+            dirname=str(self.dirname),
         )
 
     def __iter__(self):