disk_available: python optional

Author: scivision

+stdlib/disk_available.m

@@ -1,5 +1,4 @@
 %% DISK_AVAILABLE disk available space (bytes)
-% optional: mex
 %
 % example:  stdlib.disk_available('/')
 %
@@ -13,7 +12,10 @@
 f = uint64(0);
 if ~stdlib.exists(d), return, end
 
-if stdlib.has_dotnet()
+if stdlib.has_python()
+  di = py.shutil.disk_usage(d);
+  f = uint64(di.free);
+elseif stdlib.has_dotnet()
   f = System.IO.DriveInfo(stdlib.absolute(d)).AvailableFreeSpace();
   % https://learn.microsoft.com/en-us/dotnet/api/system.io.driveinfo.availablefreespace
 elseif stdlib.has_java()

buildfile.m

@@ -263,14 +263,14 @@ function build_exe(context)
 srcs = {
 "src/remove.cpp", ...
 ["src/normalize.cpp", normal], ...
-"src/disk_available.cpp", ...
 "src/disk_capacity.cpp", ...
 "src/set_permissions.cpp", ...
 };
 
 if ~stdlib.has_python() || build_all
 srcs{end+1} = "src/is_char_device.cpp";
 srcs{end+1} = ["src/is_admin.cpp", "src/admin_fs.cpp"];
+srcs{end+1} = "src/disk_available.cpp";
 end
 
 if (isMATLABReleaseOlderThan("R2024b") && ~stdlib.has_dotnet()) || build_all

test/TestJava.m

@@ -80,11 +80,6 @@ function test_touch_modtime(tc)
 tc.verifyGreaterThanOrEqual(t1, t0)
 end
 
-
-function test_get_modtime(tc)
-tc.verifyEmpty(stdlib.get_modtime(""))
-end
-
 function test_set_modtime(tc)
 tc.verifyEqual(stdlib.set_modtime("", datetime("now")), false)
 end

test/TestTime.m

@@ -0,0 +1,12 @@
+classdef TestTime < matlab.unittest.TestCase
+
+methods (Test)
+
+function test_get_modtime(tc)
+tc.verifyEmpty(stdlib.get_modtime(""))
+end
+
+
+end
+
+end