fix: make Engine.recognizes static and pass MPIService comm as attrib…

…ute.

bsb/storage/__init__.py

@@ -389,7 +389,7 @@ def open_storage(root, comm=None):
     """
     engines = get_engines()
     for name, engine in engines.items():
-        if engine.peek_exists(root) and engine.recognizes(root):
+        if engine.peek_exists(root) and engine.recognizes(root, MPIService(comm)):
             return Storage(name, root, comm, missing_ok=False)
     else:
         for name, engine in engines.items():
@@ -417,7 +417,7 @@ def view_support(engine=None):
     """
     if engine is None:
         return {
-            # Loop over all enginges
+            # Loop over all engines
             engine_name: {
                 # Loop over all features, check whether they're supported
                 feature_name: not isinstance(feature, NotSupported)

bsb/storage/fs/__init__.py

@@ -29,8 +29,8 @@ def versions(self):
         path = Path(self._root) / "versions.txt"
         return json.loads(path.read_text())
 
-    @classmethod
-    def recognizes(cls, root):
+    @staticmethod
+    def recognizes(root, comm):
         try:
             return os.path.exists(root) and os.path.isdir(root)
         except Exception:

bsb/storage/interfaces.py

@@ -114,8 +114,9 @@ def root_slug(self):
         """
         pass
 
+    @staticmethod
     @abc.abstractmethod
-    def recognizes(self, root):
+    def recognizes(root, comm):
         """
         Must return whether the given argument is recognized as a valid storage object.
         """