CLI: Make compatible with python3.6

Wrapper generation is still only compatible with python3.7 and above

Change-Id: I33cdc3925cd3fab80c9ce5f4540e1a981a5cc1f0
Signed-off-by: Galantsev, Dmitrii <dmitrii.galantsev@amd.com>


[ROCm/amdsmi commit: adceb8033d]

projects/amdsmi/amdsmi_cli/CMakeLists.txt

@@ -9,18 +9,7 @@ set(PY_CLI_INSTALL_DIR
     "${CMAKE_INSTALL_LIBEXECDIR}" CACHE STRING
     "CLI tool installation directory")
 
-# if Python3 is found but the version is below 3.7 - Python3_FOUND is set to FALSE
-find_package(Python3 3.7 COMPONENTS Interpreter Development)
-
-# WARN: This is a HACK to pass compile on AMD rhel8 and centos7 CI systems!
-#       Those still use python3.6 which is too old for this project!
-# TODO: Promote to an error when python3.7 or above is installed on CI
-if(NOT Python3_FOUND)
-    message(AUTHOR_WARNING "Python3 DOESN'T EXIST OR VERSION IS TOO OLD!: ${Python3_VERSION}")
-    message(AUTHOR_WARNING "The CLI tool will not be created and the project will not be packaged!")
-    # WARN: EXIT CURRENT CMAKE FILE
-    return()
-endif()
+find_package(Python3 3.6 COMPONENTS Interpreter Development REQUIRED)
 
 # hard-linking instead of copying avoids unnecessarry regeneration of packaged files
 add_custom_command(

projects/amdsmi/amdsmi_cli/amdsmi_logger.py

@@ -372,9 +372,18 @@ class AMDSMILogger():
 
         if self.destination == 'stdout':
             if watch_output:
-                return
                 # print_output may need another value: flush_output vs watch_output
-            print(human_readable)
+                return
+            # printing as unicode may fail if locale is not set properly
+            # see: https://stackoverflow.com/questions/9942594/unicodeencodeerror-ascii-codec-cant-encode-character-u-xa0-in-position-20
+            # export PYTHONIOENCODING=utf8
+            try:
+                # print as unicode
+                print(human_readable)
+            except UnicodeEncodeError:
+                # print as ascii, ignore incompatible characters
+                print(human_readable.encode('ascii', 'ignore').decode('ascii'))
+
         else:
             if watch_output:
                 return

projects/amdsmi/amdsmi_cli/amdsmi_parser.py

@@ -56,9 +56,7 @@ class AMDSMIParser(argparse.ArgumentParser):
         subparsers = self.add_subparsers(
             title="AMD-SMI Commands",
             parser_class=argparse.ArgumentParser,
-            required=True,
             help="Descriptions:",
-            # dest='cmd',
             metavar="")
 
         # Add all subparsers