scripts: Fix twisterlib for ruff - F541

This fixes ruff linting error F541,
where an fstring is used when a normal
string would suffice.

Signed-off-by: Lukasz Mrugala <lukaszx.mrugala@intel.com>

.ruff-excludes.toml

@@ -766,7 +766,6 @@
 ]
 "./scripts/pylib/twister/twisterlib/coverage.py" = [
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
     "UP032",    # https://docs.astral.sh/ruff/rules/f-string
 ]
@@ -776,7 +775,6 @@
 ]
 "./scripts/pylib/twister/twisterlib/handlers.py" = [
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP007",    # https://docs.astral.sh/ruff/rules/non-pep604-annotation
     "UP030",    # https://docs.astral.sh/ruff/rules/format-literals
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
@@ -788,7 +786,6 @@
 ]
 "./scripts/pylib/twister/twisterlib/harness.py" = [
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
     "UP032",    # https://docs.astral.sh/ruff/rules/f-string
 ]
@@ -802,13 +799,11 @@
 ]
 "./scripts/pylib/twister/twisterlib/reports.py" = [
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
     "UP032",    # https://docs.astral.sh/ruff/rules/f-string
 ]
 "./scripts/pylib/twister/twisterlib/runner.py" = [
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
     "UP032",    # https://docs.astral.sh/ruff/rules/f-string
 ]
@@ -824,7 +819,6 @@
     "E402",     # https://docs.astral.sh/ruff/rules/module-import-not-at-top-of-file
     "E501",     # https://docs.astral.sh/ruff/rules/line-too-long
     "F401",     # https://docs.astral.sh/ruff/rules/unused-import
-    "F541",     # https://docs.astral.sh/ruff/rules/f-string-missing-placeholders
     "UP031",    # https://docs.astral.sh/ruff/rules/printf-string-formatting
     "UP032",    # https://docs.astral.sh/ruff/rules/f-string
 ]

scripts/pylib/twister/twisterlib/coverage.py

@@ -413,7 +413,7 @@ def run_coverage(testplan, options):
         elif os.path.exists(zephyr_sdk_gcov_tool):
             gcov_tool = zephyr_sdk_gcov_tool
         else:
-            logger.error(f"Can't find a suitable gcov tool. Use --gcov-tool or set ZEPHYR_SDK_INSTALL_DIR.")
+            logger.error("Can't find a suitable gcov tool. Use --gcov-tool or set ZEPHYR_SDK_INSTALL_DIR.")
             sys.exit(1)
     else:
         gcov_tool = str(options.gcov_tool)

scripts/pylib/twister/twisterlib/handlers.py

@@ -137,7 +137,7 @@ class Handler:
         self.instance.execution_time = handler_time
         for tc in self.instance.testcases:
             tc.status = TwisterStatus.FAIL
-        self.instance.reason = f"Testsuite mismatch"
+        self.instance.reason = "Testsuite mismatch"
         logger.debug("Test suite names were not printed or some of them in " \
                      "output do not correspond with expected: %s",
                      str(expected_suite_names))

scripts/pylib/twister/twisterlib/harness.py

@@ -201,7 +201,7 @@ class Robot(Harness):
                     command.append(f'{v}')
 
         if self.path is None:
-            raise PytestHarnessException(f'The parameter robot_testsuite is mandatory')
+            raise PytestHarnessException('The parameter robot_testsuite is mandatory')
 
         if isinstance(self.path, list):
             for suite in self.path:

scripts/pylib/twister/twisterlib/reports.py

@@ -106,7 +106,7 @@ class Reporting:
         else:
             if status == TwisterStatus.NONE:
                 logger.debug(f"{name}: No status")
-                ET.SubElement(eleTestcase, ReportStatus.SKIP, type=f"untested", message="No results captured, testsuite misconfiguration?")
+                ET.SubElement(eleTestcase, ReportStatus.SKIP, type="untested", message="No results captured, testsuite misconfiguration?")
             else:
                 logger.error(f"{name}: Unknown status '{status}'")
 
@@ -523,7 +523,7 @@ class Reporting:
             log_txt = f"The following issues were found (showing the all {count} items):"
         elif self.env.options.report_summary:
             count = self.env.options.report_summary
-            log_txt = f"The following issues were found "
+            log_txt = "The following issues were found "
             if count > self.instance_fail_count:
                 log_txt += f"(presenting {self.instance_fail_count} out of the {count} items requested):"
             else:
@@ -551,7 +551,7 @@ class Reporting:
                 break
         if cnt == 0 and self.env.options.report_summary is not None:
             logger.info("-+" * 40)
-            logger.info(f"No errors/fails found")
+            logger.info("No errors/fails found")
 
         if cnt and example_instance:
             cwd_rel_path = os.path.relpath(example_instance.testsuite.source_dir, start=os.getcwd())
@@ -563,7 +563,7 @@ class Reporting:
             logger.info("")
             logger.info(f"west twister -p {example_instance.platform.name} -s {example_instance.testsuite.name}"
                         f"{extra_parameters}")
-            logger.info(f"or with west:")
+            logger.info("or with west:")
             logger.info(f"west build -p -b {example_instance.platform.name} {cwd_rel_path} -T {example_instance.testsuite.id}")
             logger.info("-+" * 40)
 

scripts/pylib/twister/twisterlib/runner.py

@@ -1018,7 +1018,7 @@ class ProjectBuilder(FilterBuilder):
                     if self.instance.status == TwisterStatus.NOTRUN:
                         run_conditions =  f"(run:{self.instance.run}, handler.ready:{self.instance.handler.ready})"
                         logger.debug(f"Instance {self.instance.name} can't run {run_conditions}")
-                        self.instance.add_missing_case_status(TwisterStatus.NOTRUN, f"Nowhere to run")
+                        self.instance.add_missing_case_status(TwisterStatus.NOTRUN, "Nowhere to run")
                     next_op = 'report'
             except StatusAttributeError as sae:
                 logger.error(str(sae))

scripts/pylib/twister/twisterlib/testplan.py

@@ -786,7 +786,7 @@ class TestPlan:
         if platform_filter:
             logger.debug(f"Checking platform filter: {platform_filter}")
             # find in aliases and rename
-            self.verify_platforms_existence(platform_filter, f"platform_filter")
+            self.verify_platforms_existence(platform_filter, "platform_filter")
             for pf in platform_filter:
                 logger.debug(f"Checking platform in filter: {pf}")
                 if pf in self.platform_names:
@@ -981,7 +981,7 @@ class TestPlan:
                     # Search and check that all required snippet files are found
                     for this_snippet in snippet_args['snippets']:
                         if this_snippet not in found_snippets:
-                            logger.error(f"Can't find snippet '%s' for test '%s'", this_snippet, ts.name)
+                            logger.error("Can't find snippet '%s' for test '%s'", this_snippet, ts.name)
                             instance.status = TwisterStatus.ERROR
                             instance.reason = f"Snippet {this_snippet} not found"
                             missing_snippet = True