new lib python to call python scripts from ahk

lib/Autohotkey/lib/python.ahk

@@ -0,0 +1,56 @@
+; a2 Autohotkey python lib
+
+python_get_output(py_file, args := "") {
+    py_exe := python_get_console_path()
+    cmd = "%py_exe%" "%py_file%" %args%
+    shell := ComObjCreate("WScript.Shell")
+    exec := shell.Exec(cmd)
+    errors := exec.StdErr.ReadAll()
+    if (errors)
+        msgbox_error(errors, "python_get_output-ERROR")
+    else {
+        result := exec.StdOut.ReadAll()
+        return result
+    }
+}
+
+python_get_console_path() {
+    exe_type := {filename: "python.exe", reg_name: "ExecutablePath"}
+    return _py_get_path(exe_type)
+}
+
+python_get_path() {
+    exe_type := {filename: "pythonw.exe", reg_name: "WindowedExecutablePath"}
+    return _py_get_path(exe_type)
+}
+
+_py_get_path(exe_type) {
+    pypath := python_check_registry(exe_type)
+    if (pypath != "")
+        Return pypath
+
+    versions_string := string_join(python_supported_versions)
+    MsgBox, 16, No Matching Python Version!, Could not find a Python installation!`nSupported versions include: %versions_string%!
+}
+
+
+python_check_registry(exe_type) {
+    reg_name := exe_type["reg_name"]
+    for i, version in python_supported_versions
+    {
+        py_key = HKEY_CURRENT_USER\Software\Python\PythonCore\%version%\InstallPath
+        RegRead, pypath, %py_key%, %reg_name%
+
+        if !string_endswith(pypath, exe_type.filename)
+        {
+            py_key = HKEY_LOCAL_MACHINE\Software\Python\PythonCore\%version%\InstallPath
+            RegRead, pypath, %py_key%, %reg_name%
+        }
+
+        IfExist, %pypath%
+        {
+            global a2_PY_VERSION_SHORT := version
+            Return, pypath
+        }
+    }
+}

lib/a2_globals.ahk

@@ -8,6 +8,7 @@ global WIN_10 := 10.0
 
 global WEB_TLDS := ["html", "com", "de", "net", "org", "co.uk"]
 global A_AppDataLocal := path_join(path_dirname(A_AppData), "Local")
+global PYTHON_SUPPORTED_VERSIONS := ["3.10", "3.9", "3.8", "3.7", "3.6"]
 
 ; groups for explorer classes
 GroupAdd, ExplorerGroup, ahk_class ExploreWClass