Added a new signal finalized that is dispatched when pelican finishes.

This signal can then be used for post processing.

docs/plugins.rst

@@ -57,6 +57,7 @@ Here is the list of currently implemented signals:
 Signal                      Arguments                      Description
 =========================   ============================   =========================================
 initialized                 pelican object
+finalized                   pelican object
 article_generate_context    article_generator, metadata
 article_generator_init      article_generator              invoked in the ArticlesGenerator.__init__
 pages_generate_context      pages_generator, metadata

pelican/__init__.py

@@ -178,6 +178,8 @@ class Pelican(object):
             if hasattr(p, 'generate_output'):
                 p.generate_output(writer)
 
+        signals.finalized.send(self)
+
     def get_generator_classes(self):
         generators = [StaticGenerator, ArticlesGenerator, PagesGenerator]
         if self.settings['PDF_GENERATOR']:

pelican/signals.py

@@ -1,6 +1,7 @@
 from blinker import signal
 
 initialized = signal('pelican_initialized')
+finalized = signal('pelican_finalized')
 article_generate_context = signal('article_generate_context')
 article_generator_init = signal('article_generator_init')
 pages_generate_context = signal('pages_generate_context')