Extracting date and slug from filename

pelican/contents.py

@@ -3,6 +3,7 @@
 import locale
 import logging
 import functools
+import os
 
 from datetime import datetime
 from os import getenv
@@ -69,8 +70,20 @@ def __init__(self, content, metadata=None, settings=None,
             self.in_default_lang = (self.lang == default_lang)
 
         # create the slug if not existing, from the title
-        if not hasattr(self, 'slug') and hasattr(self, 'title'):
-            self.slug = slugify(self.title)
+        if not hasattr(self, 'slug'):
+            if settings['DEFAULT_SLUG'] == 'filename':
+                basename = os.path.basename(filename).rsplit('.')[0]
+                if settings['DEFAULT_DATE'] == 'filename':
+                    # delete date in filename
+                    try:
+                        datetime(*[int(i) for i in basename.split('-')[:3]])
+                        self.slug = slugify('-'.join(basename.split('-')[3:]))
+                    except Exception:
+                        self.slug = slugify(basename)
+                else:
+                    self.slug = slugify(basename)
+            elif hasattr(self, 'title'):
+                self.slug = slugify(self.title)
 
         if filename:
             self.filename = filename

pelican/generators.py

@@ -293,6 +293,15 @@ def generate_context(self):
                 if self.settings['DEFAULT_DATE'] == 'fs':
                     metadata['date'] = datetime.datetime.fromtimestamp(
                             os.stat(f).st_ctime)
+                elif self.settings['DEFAULT_DATE'] == 'filename':
+                    filename = os.path.basename(f)
+                    try:
+                        metadata['date'] = datetime.datetime(*[int(i) for i in filename.split('-')[:3]])
+                    except Exception as e:
+                        logger.warning(u"Failed to extract date from filename `%s'. Using file ctime instead" % (filename,))
+                        logger.warning(u"Reason: %s:%s" % (type(e), e))
+                        metadata['date'] = datetime.datetime.fromtimestamp(
+                                os.stat(f).st_ctime)
                 else:
                     metadata['date'] = datetime.datetime(
                             *self.settings['DEFAULT_DATE'])

pelican/settings.py

@@ -79,6 +79,7 @@
                    'WEBASSETS': False,
                    'PLUGINS': [],
                    'MARKDOWN_EXTENSIONS': ['toc', ],
+                   'DEFAULT_SLUG': 'metadata',
                    }