text: #!/usr/bin/env python
  # Settings and definitions for importing notebooks
  
  # We want to import notebooks as modules
  # Source: http://jupyter-notebook.readthedocs.io/en/stable/examples/Notebook/Importing%20Notebooks.html
  
  import io, os, sys, types
  from IPython import get_ipython
  from nbformat import read
  from IPython.core.interactiveshell import InteractiveShell
  
  def find_notebook(fullname, path=None):
      """find a notebook, given its fully qualified name and an optional path
  
      This turns "foo.bar" into "foo/bar.ipynb"
      and tries turning "Foo_Bar" into "Foo Bar" if Foo_Bar
      does not exist.
      """
      name = fullname.rsplit('.', 1)[-1]
      if not path:
          path = ['']
      for d in path:
          nb_path = os.path.join(d, name + ".ipynb")
          if os.path.isfile(nb_path):
              return nb_path
          # let import Notebook_Name find "Notebook Name.ipynb"
          nb_path = nb_path.replace("_", " ")
          if os.path.isfile(nb_path):
              return nb_path
  
  class NotebookLoader(object):
      """Module Loader for Jupyter Notebooks"""
      def __init__(self, path=None):
          self.shell = InteractiveShell.instance()
          self.path = path
  
      def load_module(self, fullname):
          """import a notebook as a module"""
          path = find_notebook(fullname, self.path)
  
          print ("importing Jupyter notebook from %s" % path)
  
          # load the notebook object
          with io.open(path, 'r', encoding='utf-8') as f:
              nb = read(f, 4)
  
  
          # create the module and add it to sys.modules
          # if name in sys.modules:
          #    return sys.modules[name]
          mod = types.ModuleType(fullname)
          mod.__file__ = path
          mod.__loader__ = self
          mod.__dict__['get_ipython'] = get_ipython
          sys.modules[fullname] = mod
  
          # extra work to ensure that magics that would affect the user_ns
          # actually affect the notebook module's ns
          save_user_ns = self.shell.user_ns
          self.shell.user_ns = mod.__dict__
  
          try:
            for cell in nb.cells:
              if cell.cell_type == 'code':
                  # transform the input to executable Python
                  code = self.shell.input_transformer_manager.transform_cell(cell.source)
                  # run the code in themodule
                  exec(code, mod.__dict__)
          finally:
              self.shell.user_ns = save_user_ns
          return mod
  
  class NotebookFinder(object):
      """Module finder that locates Jupyter Notebooks"""
      def __init__(self):
          self.loaders = {}
  
      def find_module(self, fullname, path=None):
          nb_path = find_notebook(fullname, path)
          if not nb_path:
              return
  
          key = path
          if path:
              # lists aren't hashable
              key = os.path.sep.join(path)
  
          if key not in self.loaders:
              self.loaders[key] = NotebookLoader(path)
          return self.loaders[key]
  
  sys.meta_path.append(NotebookFinder())
  