Add a new signal generator_init, invoked at the end of Generator.__init__.

pelican/generators.py

@@ -61,6 +61,8 @@ class Generator(object):
         custom_filters = self.settings.get('JINJA_FILTERS', {})
         self.env.filters.update(custom_filters)
 
+        signals.generator_init.send(self)
+
     def get_template(self, name):
         """Return the template by name.
         Use self.theme to get the templates to use, and return a list of

pelican/signals.py

@@ -2,6 +2,7 @@ from blinker import signal
 
 initialized = signal('pelican_initialized')
 finalized = signal('pelican_finalized')
+generator_init = signal('generator_init')
 article_generate_context = signal('article_generate_context')
 article_generator_init = signal('article_generator_init')
 article_generator_finalized = signal('article_generate_finalized')