tools: process progression for flash action output

tools/idf_py_actions/serial_ext.py

@@ -184,7 +184,7 @@ def action_extensions(base_actions: Dict, project_path: str) -> Dict:
         if extra_args:
             extra += shlex.split(extra_args)
         env = {'ESPBAUD': str(args.baud), 'ESPPORT': args.port, 'SERIAL_TOOL_EXTRA_ARGS': ';'.join(extra)}
-        run_target(action, args, env)
+        run_target(action, args, env, force_progression=True)
 
     def erase_flash(action: str, ctx: click.core.Context, args: PropertyDict) -> None:
         ensure_build_directory(args, ctx.info_name)

tools/idf_py_actions/tools.py

@@ -293,6 +293,12 @@ class RunTool:
             print('\r' + fit_text_in_terminal(output.strip('\n\r')) + '\x1b[K', end='', file=output_stream)
             output_stream.flush()
 
+        def is_progression(output: str) -> bool:
+            # try to find possible progression by a pattern match
+            if re.match(r'^\[\d+/\d+\]|.*\(\d+ \%\)$', output):
+                return True
+            return False
+
         async def read_stream() -> Optional[str]:
             try:
                 output_b = await input_stream.readline()
@@ -324,6 +330,8 @@ class RunTool:
         # used in interactive mode to print hints after matched line
         hints = load_hints()
         last_line = ''
+        is_progression_last_line = False
+        is_progression_processing_enabled = self.force_progression and output_stream.isatty() and '-v' not in self.args
 
         try:
             with open(output_filename, 'w', encoding='utf8') as output_file:
@@ -344,10 +352,13 @@ class RunTool:
                     if not output_stream.isatty():
                         output = output_noescape
 
-                    if self.force_progression and output[0] == '[' and '-v' not in self.args and output_stream.isatty():
-                        # print output in progression way but only the progression related (that started with '[') and if verbose flag is not set
+                    if is_progression_processing_enabled and is_progression(output):
                         print_progression(output)
+                        is_progression_last_line = True
                     else:
+                        if is_progression_last_line:
+                            output_converter.write(os.linesep)
+                            is_progression_last_line = False
                         output_converter.write(output)
                         output_converter.flush()