Complete the run all section

Author: Tania Allard

03_ProcessData.ipynb

@@ -167,14 +167,69 @@
    "source": [
     "# Packaging\n",
     "\n",
-    "Since are using a modular approach we need to ensure we can call our functions from a **run all script**.\n",
+    "We used a modular approach here, so we can use and reuse the functions more efficiently. \n",
+    "The next step it to make a `runall` script to minimize the user interaction. \n",
+    "\n",
+    "First, we need to make sure that Python recognizes our scripts as a package so we can call functions from the multiple modules.\n",
     "\n",
     "From the shell: \n",
     "```\n",
-    "$ touch src/__init__/py\n",
+    "$ touch src/data/__init__.py  # Create empty file\n",
+    "$ touch src/visualization/__init__.py  # Create empty file\n",
+    "$ touch src/__init__.py\n",
+    "```"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "subslide"
+    }
+   },
+   "source": [
+    "# Creating the `run all` script\n",
+    "\n",
+    "<div class='info'> \n",
+    "    We will run everything from the root directory.<br>\n",
+    "    As such all the paths will be relative to the top level of your project\n",
+    "</div>\n",
+    "\n",
+    "Since our modules start with digits (i.e. `01`, `02`) we cannot do the import as we'd normally do\n",
+    "```python \n",
+    "from mypackage import myawesomemodule\n",
+    "```\n",
+    "Instead we need to do it like so:\n",
+    "```python\n",
+    "subset = importlib.import_module('.data.01_subset-data-GBP', 'scripts')\n",
+    "plotwines = importlib.import_module('.visualization.02_visualize-wines', 'scripts')\n",
+    "country_sub = importlib.import_module('.data.03_country-subset', 'scripts')\n",
+    "```\n",
+    "\n",
+    "Also we need to make sure the imports are declared in `src/__init__.py`\n",
+    "```python\n",
+    "from . import data\n",
+    "from . import visualization\n",
     "```"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### TO DO:\n",
+    "\n",
+    "How would you do to run the analysis from step 01 (process the data) to 03 subset for a country and plot the results?\n",
+    "\n",
+    "\n",
+    "Once you have done this and make sure you can run it from your shell and commit the changes to git.\n",
+    "\n",
+    "Note you might need to run this from the shell like so \n",
+    "```\n",
+    "python -m scripts.runall-wine-analysis\n",
+    "``` \n"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 1,