python_version use float

Author: scivision

+stdlib/platform_tell.m

@@ -14,7 +14,7 @@ function platform_tell()
 end
 
 if stdlib.has_python()
-  fprintf('Python: %s  Home: %s\n', stdlib.python_version(), stdlib.python_home());
+  fprintf('Python: %0.2f  Home: %s\n', stdlib.python_version(), stdlib.python_home());
 end
 
 if ismac()

+stdlib/python_version.m

@@ -2,7 +2,11 @@
 
 function v = python_version()
 
-pe = pyenv();
-v = pe.Version;
+try
+  pe = pyenv();
+  v = str2double(pe.Version);
+catch
+  v = [];
+end
 
 end

+stdlib/relative_to.m

@@ -47,7 +47,7 @@
 ois = stdlib.is_absolute(other);
 
 if bis ~= ois
-  rel = ""; 
+  rel = "";
   return
 end
 
@@ -68,7 +68,7 @@
 
 try
   bp = py.pathlib.Path(other);
-  if stdlib.python_version() >= "3.12"
+  if stdlib.python_version() >= 3.12
     r = bp.relative_to(base, pyargs(walk_up=true));
   else
     r = bp.relative_to(base);

test/TestRelative.m

@@ -37,7 +37,7 @@ function test_proximate_to(tc, pp)
 };
 % NOTE: ".." in relative_to(base) is ambiguous including for python.pathlib, C++ <filesystem>, etc.
 
-if stdlib.has_dotnet() || stdlib.python_version() >= "3.12"
+if stdlib.has_dotnet() || stdlib.python_version() >= 3.12
 p = [p, {
 {"a/b/c/d", "a/b", fullfile("..", "..")}, ...
 {"a/b", "a/c", fullfile("..", "c")}, ...
@@ -49,7 +49,7 @@ function test_proximate_to(tc, pp)
 
 if ispc
 
-if stdlib.has_dotnet() || stdlib.python_version() >= "3.12"
+if stdlib.has_dotnet() || stdlib.python_version() >= 3.12
 p = [p, { ...
 {"C:/a/b", "C:/", fullfile("..", "..")}, ...
 {"c:/a/b", "c:/a", ".."}, ...

test/TestSys.m

@@ -26,7 +26,7 @@ function test_dotnet_version(tc)
 function test_has_python(tc)
 tc.assumeTrue(stdlib.has_python())
 v = stdlib.python_version();
-tc.verifyGreaterThan(strlength(v), 0, "expected non-empty Python version")
+tc.verifyGreaterThanOrEqual(v, 3.8, "expected Python >= 3.8")
 end
 
 function test_os_version(tc)