Remove the supports_mtime meta feature

Author: althonos

fs/base.py

@@ -712,8 +712,6 @@ def getmodified(self, path):
         it might only have limited accuracy.
 
         """
-        if self.getmeta().get("supports_mtime", False):
-            return self.getinfo(path, namespaces=["modified"]).modified
         return self.getinfo(path, namespaces=["details"]).modified
 
     def getmeta(self, namespace="standard"):
@@ -753,8 +751,6 @@ def getmeta(self, namespace="standard"):
         read_only           `True` if this filesystem is read only.
         supports_rename     `True` if this filesystem supports an
                             `os.rename` operation.
-        supports_mtime      `True` if this filesystem supports a native
-                            operation to retrieve the "last modified" time.
         =================== ============================================
 
         Most builtin filesystems will provide all these keys, and third-

fs/info.py

@@ -317,9 +317,9 @@ def modified(self):
                 namespace is not in the Info.
 
         """
-        namespace = "modified" if self.has_namespace("modified") else "details"
-        self._require_namespace(namespace)
-        return self._make_datetime(self.get(namespace, "modified"))
+        self._require_namespace("details")
+        _time = self._make_datetime(self.get("details", "modified"))
+        return _time
 
     @property
     def created(self):

fs/osfs.py

@@ -145,7 +145,6 @@ def __init__(
             "network": False,
             "read_only": False,
             "supports_rename": True,
-            "supports_mtime": False,
             "thread_safe": True,
             "unicode_paths": os.path.supports_unicode_filenames,
             "virtual": False,