Added signals to plugin for pages generation

docs/plugins.rst

@@ -59,6 +59,8 @@ Signal                      Arguments                      Description
 initialized                 pelican object
 article_generate_context    article_generator, metadata
 article_generator_init      article_generator              invoked in the ArticlesGenerator.__init__
+pages_generate_context      pages_generator, metadata
+pages_generator_init        pages_generator                invoked in the PagesGenerator.__init__
 =========================   ============================   =========================================
 
 The list is currently small, don't hesitate to add signals and make a pull

pelican/generators.py

@@ -363,6 +363,7 @@ class PagesGenerator(Generator):
         self.hidden_pages = []
         self.hidden_translations = []
         super(PagesGenerator, self).__init__(*args, **kwargs)
+        signals.pages_generator_init.send(self)
  
     def generate_context(self):
         all_pages = []
@@ -388,6 +389,7 @@ class PagesGenerator(Generator):
                                (repr(unicode.encode(page.status, 'utf-8')),
                                 repr(f)))
 
+        signals.pages_generate_context.send(self,metadata=metadata) 
         self.pages, self.translations = process_translations(all_pages)
         self.hidden_pages, self.hidden_translations = process_translations(hidden_pages)
 

pelican/signals.py

@@ -3,3 +3,5 @@ from blinker import signal
 initialized = signal('pelican_initialized')
 article_generate_context = signal('article_generate_context')
 article_generator_init = signal('article_generator_init')
+pages_generate_context = signal('pages_generate_context')
+pages_generator_init = signal('pages_generator_init')