Better error handling when parallel proc fails

Author: timvink

src/mkdocs_git_revision_date_localized_plugin/plugin.py

@@ -180,10 +180,14 @@ def on_files(self, files: Files, config: MkDocsConfig):
         else:
             original_source = None
 
-        if not self.last_revision_commits:
-            self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=False)
-        if not self.created_commits:
-            self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=True)
+        try:
+            if not self.last_revision_commits:
+                self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=False)
+            if not self.created_commits:
+                self.parallel_compute_commit_timestamps(files=files, original_source=original_source, is_first_commit=True)
+        except Exception as e:
+            logging.warning(f"Parallel processing failed: {str(e)}.\n To fall back to serial processing, use 'enable_parallel_processing: False' setting.")
+            
 
     def on_page_markdown(self, markdown: str, page: Page, config: config_options.Config, files, **kwargs) -> str:
         """

tests/fixtures/basic_project/mkdocs_no_parallel.yml

@@ -0,0 +1,7 @@
+site_name: test gitrevisiondatelocalized_plugin
+use_directory_urls: true
+
+plugins:
+    - search
+    - git-revision-date-localized:
+        enable_parallel_processing: False

tests/test_builds.py

@@ -333,6 +333,7 @@ def validate_mkdocs_file(temp_path: str, mkdocs_yml_file: str):
     "basic_project/mkdocs_fallback_to_build_date.yml",
     "basic_project/mkdocs_locale.yml",
     "basic_project/mkdocs_meta.yml",
+    "basic_project/mkdocs_no_parallel.yml",
     "basic_project/mkdocs_plugin_locale.yml",
     "basic_project/mkdocs.yml",
     "basic_project/mkdocs_theme_timeago_locale.yml",