add fire

book/cooltools/Chapter.ipynb

@@ -2379,6 +2379,56 @@
     "async def hello(request: Request):\n",
     "    return {\"response\":\"Hello\"}"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Create CLI out of any Python Object with `fire`"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Transform any Python object into a CLI with `fire`.\n",
+    "\n",
+    "`fire` is a neat library for turn your Python object into a CLI and to make the transition between Python and Bash easier."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!pip install fire"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# hello.py\n",
+    "import fire\n",
+    "\n",
+    "def hello(name=\"World\"):\n",
+    "  return \"Hello %s!\" % name\n",
+    "\n",
+    "if __name__ == '__main__':\n",
+    "  fire.Fire(hello)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!python hello.py --name=David"
+   ]
   }
  ],
  "metadata": {