add is_dev_drive()

Author: scivision

+stdlib/+python/is_dev_drive.m

@@ -0,0 +1,9 @@
+function y = is_dev_drive(fpath)
+% https://github.com/python/cpython/blob/9ee0214b5dd982ac9fbe18dcce0e8787456e29af/Modules/posixmodule.c#L4916
+try
+  y = py.os.path.isdevdrive(fpath);
+catch
+  y = false;
+end
+
+end

+stdlib/+sys/is_dev_drive.m

@@ -0,0 +1,19 @@
+function [y, cmd] = is_dev_drive(fpath)
+arguments
+  fpath (1,1) string
+end
+
+y = false;
+cmd = '';
+
+
+if ispc()
+  cmd = sprintf('fsutil devdrv query ''%s''', fpath);
+  [s, m] = system(cmd);
+  if s == 0
+    y = contains(m, ["This is a trusted developer volume", "this developer volume"]);
+  else
+    y = logical.empty;
+  end
+end
+end

+stdlib/Backend.m

@@ -80,6 +80,9 @@
           if ispc(), continue, end
         case 'is_admin'
           if ispc() || stdlib.matlabOlderThan('R2024a'), continue, end
+        case 'is_dev_drive'
+          pyv = stdlib.python_version();
+          if any(pyv(1:2) < [3, 12]), continue, end
       end
     case 'native'
 

+stdlib/is_dev_drive.m

@@ -0,0 +1,13 @@
+%% IS_DEV_DRIVE is path on a Windows Dev Drive developer volume
+
+function [y, b] = is_dev_drive(fpath, backend)
+arguments
+  fpath (1,1) string
+  backend (1,:) string = ["python", "sys"]
+end
+
+o = stdlib.Backend(mfilename(), backend);
+y = o.func(fpath);
+b = o.backend;
+
+end

test/TestDisk.m

@@ -16,17 +16,19 @@
 B_filesystem_type
 B_owner
 B_device
+B_is_dev_drive
 end
 
 methods (TestParameterDefinition, Static)
-function [B_disk, B_is_removable, B_is_mount, B_hard_link_count, B_filesystem_type, B_owner, B_device] = setupBackends()
+function [B_disk, B_is_removable, B_is_mount, B_hard_link_count, B_filesystem_type, B_owner, B_device, B_is_dev_drive] = setupBackends()
 B_disk = init_backend("disk_available");
 B_is_removable = init_backend("is_removable");
 B_is_mount = init_backend("is_mount");
 B_hard_link_count = init_backend("hard_link_count");
 B_filesystem_type = init_backend("filesystem_type");
 B_owner = init_backend("get_owner");
 B_device = init_backend("device");
+B_is_dev_drive = init_backend('is_dev_drive');
 end
 end
 
@@ -109,6 +111,11 @@ function test_filesystem_type(tc, Ps, B_filesystem_type)
 end
 
 
+function test_is_dev_drive(tc, B_is_dev_drive)
+tc.verifyClass(stdlib.is_dev_drive(pwd(), B_is_dev_drive), 'logical')
+end
+
+
 function test_remove_file(tc)
 
 f = tempname();