a_b.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "def a():\n",
    "    return 'aaa'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "def b():\n",
    "    return 'bbb'"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "ur-3.7.4",
   "language": "python",
   "name": "ur-3.7.4"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.4"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}

c.ipynb

conv-import-tests.sh

#!/usr/bin/env bash
# Convert various notebook-based import tests to Python (to additionally test that they work there)

set -e

for style in abs; do
  for type in py nb; do
    name="${style}_${type}"
    nb="nb_${name}.ipynb"
    py="py_${name}.py"
    jupyter nbconvert "$nb" --to python --stdout | \
    perl -pe 's/def nb_/def py_/' \
    > "$py"
  done
done

d.py

def ddd(): return 'DDD!'

nb_abs_nb.ipynb

nb_abs_py.ipynb

py_abs_nb.py

#!/usr/bin/env python
# coding: utf-8

# Import from a notebook:

# In[ ]:


import ur
from a_b import a, b
def py_abs_nb(): return a() + b()

py_abs_py.py

#!/usr/bin/env python
# coding: utf-8

# Import from a Python file:

# In[ ]:


import ur
from d import ddd
def py_abs_py(): return ddd() + 'yay'

relative-imports-failure-test.ipynb