Adjust website build to work with colab badges:

Author: jakevdp

website/README.md

@@ -1,4 +1,4 @@
-# Tools for creating http://jakevdp.github.io/PythonDataScienceHandbook/
+2# Tools for creating http://jakevdp.github.io/PythonDataScienceHandbook/
 
 The website is generated using the [Pelican](http://docs.getpelican.com/) static site generator.
 The themes here are adapted from those used for my blog: https://github.com/jakevdp/jakevdp.github.io-source
@@ -20,6 +20,9 @@ Install the required packages:
 $ conda create -n pelican-blog python=3.5 jupyter notebook
 $ source activate pelican-blog
 $ pip install pelican Markdown ghp-import
+$ mkdir plugins
+$ git submodule add git://github.com/danielfrg/pelican-ipynb.git plugins/ipynb
+$ git submodule add https://github.com/getpelican/pelican-plugins.git plugins/pelican-plugins
 ```
 
 Copy the notebook content to the right location (this script also modifies some links for the HTML):

website/copy_notebooks.py

@@ -33,6 +33,11 @@ def abspath_from_here(*args):
 
 
 def copy_notebooks():
+    if not os.path.exists(NB_DEST_DIR):
+        os.makedirs(NB_DEST_DIR)
+    if not os.path.exists(PAGE_DEST_DIR):
+        os.makedirs(PAGE_DEST_DIR)
+
     nblist = sorted(nb for nb in os.listdir(NB_SOURCE_DIR)
                     if nb.endswith('.ipynb'))
     name_map = {nb: nb.rsplit('.', 1)[0].lower() + '.html'
@@ -57,11 +62,17 @@ def copy_notebooks():
                                 as_version=4)
 
         if nb == 'Index.ipynb':
+            # content[0] is the title
+            # content[1] is the cover image
+            # content[2] is the license
             cells = '1:'
             template = 'page'
             title = 'Python Data Science Handbook'
             content.cells[2].source = INTRO_TEXT
         else:
+            # content[0] is the book information
+            # content[1] is the navigation bar
+            # content[2] is the title
             cells = '2:'
             template = 'booksection'
             title = content.cells[2].source
@@ -70,7 +81,7 @@ def copy_notebooks():
             title = title.lstrip('#').strip()
 
             # put nav below title
-            content.cells[0], content.cells[1], content.cells[2] = content.cells[2], content.cells[0], content.cells[1]
+            content.cells.insert(0, content.cells.pop(2))
 
         # Replace internal URLs and figure links in notebook
         for cell in content.cells:
@@ -81,7 +92,10 @@ def copy_notebooks():
                 for figname, newfigname in figure_map.items():
                     if figname in cell.source:
                         cell.source = cell.source.replace(figname, newfigname)
-                        
+            if cell.source.startswith("<!--NAVIGATION-->"):
+                # Undo replacement of notebook link in the colab badge
+                cell.source = nb.join(cell.source.rsplit(name_map[nb], 1))
+
         nbformat.write(content, os.path.join(NB_DEST_DIR, nb))
 
         pagefile = os.path.join(PAGE_DEST_DIR, base + '.md')
@@ -95,5 +109,3 @@ def copy_notebooks():
 
 if __name__ == '__main__':
     copy_notebooks()
-
-