Matlab < R2022b improved compaitiblity

Author: scivision

+stdlib/device.m

@@ -1,25 +1,25 @@
 %% DEVICE filesystem device index of path
 
-function i = device(path)
+function i = device(p)
 arguments
-  path {mustBeTextScalar}
+  p {mustBeTextScalar}
 end
 
 i = [];
 
 if stdlib.has_python()
-  i = uint64(py.pathlib.Path(path).stat().st_dev);
+  i = uint64(int64(py.os.stat(p).st_dev)); % int64 first is for Matlab <= R2022a
 elseif ispc() && stdlib.has_dotnet()
-  i = device_dotnet(path);
+  i = device_dotnet(p);
 elseif stdlib.isoctave()
-  [s, err] = stat(path);
+  [s, err] = stat(p);
   if err == 0
     i = s.dev;
   end
 elseif isunix() && stdlib.java_api() >= 11
   % Java 1.8 is buggy in some corner cases, so we require at least 11.
   opt = javaMethod("values", "java.nio.file.LinkOption");
-  i = java.nio.file.Files.getAttribute(javaPathObject(path), "unix:dev", opt);
+  i = java.nio.file.Files.getAttribute(javaPathObject(p), "unix:dev", opt);
 end
 
 end

+stdlib/disk_available.m

@@ -14,7 +14,7 @@
 
 if stdlib.has_python()
   di = py.shutil.disk_usage(d);
-  f = uint64(di.free);
+  f = uint64(int64(di.free)); % int64 first is for Matlab <= R2022a
 elseif stdlib.has_dotnet()
   f = System.IO.DriveInfo(stdlib.absolute(d)).AvailableFreeSpace();
   % https://learn.microsoft.com/en-us/dotnet/api/system.io.driveinfo.availablefreespace

+stdlib/disk_capacity.m

@@ -12,7 +12,7 @@
 
 if stdlib.has_python()
   di = py.shutil.disk_usage(d);
-  f = uint64(di.total);
+  f = uint64(int64(di.total)); % int64 first is for Matlab <= R2022a
 elseif stdlib.has_dotnet()
   f = System.IO.DriveInfo(stdlib.absolute(d)).TotalSize();
   % https://learn.microsoft.com/en-us/dotnet/api/system.io.driveinfo.totalsize

+stdlib/hard_link_count.m

@@ -13,7 +13,7 @@
 c = [];
 
 if stdlib.has_python()
-  c = uint64(py.pathlib.Path(p).stat().st_nlink);
+  c = uint64(int64(py.os.stat(p).st_nlink)); % int64 first is for Matlab <= R2022a
 elseif stdlib.isoctave()
   [s, err] = stat(p);
   if err == 0

+stdlib/has_python.m

@@ -6,7 +6,7 @@
 
 try
   pe = pyenv();
-  y = ~isempty(pe.Version);
+  y = strlength(pe.Version) > 0;
 catch
   y = false;
 end

+stdlib/inode.m

@@ -2,21 +2,21 @@
 %
 % Windows always returns 0, Unix returns inode number.
 
-function i = inode(path)
+function i = inode(p)
 arguments
-  path {mustBeTextScalar}
+  p {mustBeTextScalar}
 end
 
 i = [];
 
 if stdlib.has_python()
-  i = uint64(py.pathlib.Path(path).stat().st_ino);
+  i = uint64(int64(py.os.stat(p).st_ino)); % int64 first is for Matlab <= R2022a
 elseif isunix() && stdlib.java_api() >= 11
   % Java 1.8 is buggy in some corner cases, so we require at least 11.
   opt = javaMethod("values", "java.nio.file.LinkOption");
-  i = javaMethod("getAttribute", "java.nio.file.Files", javaPathObject(path), "unix:ino", opt);
+  i = javaMethod("getAttribute", "java.nio.file.Files", javaPathObject(p), "unix:ino", opt);
 elseif stdlib.isoctave()
-  [s, err] = stat(path);
+  [s, err] = stat(p);
   if err == 0
     i = s.ino;
   end

+stdlib/remove.m

@@ -5,20 +5,20 @@
 % open files on Windows. This function mitigates that limitation by returning
 % a boolean success status.
 
-function ok = remove(apath)
+function ok = remove(p)
 arguments
-  apath {mustBeTextScalar}
+  p {mustBeTextScalar}
 end
 
 ok = false;
 
-if stdlib.isoctave() && ~stdlib.exists(apath)
+if stdlib.isoctave() && ~stdlib.exists(p)
   return
 end
 
 %% fallback for if MEX not compiled
 try %#ok<*TRYNC>
-  delete(apath);
+  delete(p);
   ok = true;
 end