Add the EXTRA_PATH_METADATA setting

Useful for altering static output paths when you don't want to encode
extra metadata in the static file's source path.

pelican/readers.py

@@ -413,9 +413,12 @@ def default_metadata(settings=None, process=None):
 
 def path_metadata(full_path, source_path, settings=None):
     metadata = {}
-    if settings and settings.get('DEFAULT_DATE', None) == 'fs':
-        metadata['date'] = datetime.datetime.fromtimestamp(
-            os.stat(path).st_ctime)
+    if settings:
+        if settings.get('DEFAULT_DATE', None) == 'fs':
+            metadata['date'] = datetime.datetime.fromtimestamp(
+                os.stat(full_path).st_ctime)
+        metadata.update(settings.get('EXTRA_PATH_METADATA', {}).get(
+                source_path, {}))
     return metadata
 
 

pelican/settings.py

@@ -95,6 +95,7 @@ DEFAULT_CONFIG = {
     'DEFAULT_METADATA': (),
     'FILENAME_METADATA': '(?P<date>\d{4}-\d{2}-\d{2}).*',
     'PATH_METADATA': '',
+    'EXTRA_PATH_METADATA': {},
     'DEFAULT_STATUS': 'published',
     'ARTICLE_PERMALINK_STRUCTURE': '',
     'TYPOGRIFY': False,