old_contents: from os import path
  
  from nib import Processor, render
  
  @render
  class BreadcrumbProcessor(Processor):
      def process(self, documents, resources):
          uris = {d.uri.strip('/'): d for d in documents}
  
          for doc in documents:
              if 'nocrumbs' in doc:
                  continue
  
              breadcrumbs = []
              segments = doc.uri.strip('/').split('/')
              uri = ''
  
              for segment in segments:
                  uri = path.join(uri, segment).strip('/')
                  print(uri)
                  if uri in uris:
                      page = uris[uri]
                      if 'title' in page and page['title']:
                          print(page['title'])
                          breadcrumbs.append(uris[uri])
  
              doc['breadcrumbs'] = breadcrumbs
  
          return documents, resources
  
new_contents: from os import path
  
  from nib import Processor, render
  
  @render
  class BreadcrumbProcessor(Processor):
      def process(self, documents, resources):
          uris = {d.uri.strip('/'): d for d in documents}
  
          for doc in documents:
              if 'nocrumbs' in doc:
                  continue
  
              breadcrumbs = []
              segments = doc.uri.strip('/').split('/')
              uri = ''
  
              for segment in segments:
                  uri = path.join(uri, segment).strip('/')
                  if uri in uris:
                      page = uris[uri]
                      if 'title' in page and page['title']:
                          breadcrumbs.append(uris[uri])
  
              doc['breadcrumbs'] = breadcrumbs
  
          return documents, resources
  
subject: Remove some debug output