demo

.gitignore

+myenv

.ipynb_checkpoints/in-checkpoint.yml

+services:
+    client:
+        image: original-client
+        otherField: 1
+    server:
+        image: original-server
+        otherField: 2
\ No newline at end of file

.ipynb_checkpoints/out-checkpoint.yml

+services:
+  client:
+    image: custom-client
+    otherField: 1
+  server:
+    image: original-server
+    otherField: 2

.ipynb_checkpoints/yaml_manipulation-checkpoint.ipynb

+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

in.yml

+services:
+    client:
+        image: original-client
+        otherField: 1
+    server:
+        image: original-server
+        otherField: 2
\ No newline at end of file

yaml_manipulation.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "4fc7132f-85e5-4080-a057-2fed296fb621",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import yaml"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "d67f71af-63d6-451e-bd99-a75615022dbc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "with open('in.yml', 'r') as file:\n",
+    "    data = yaml.safe_load(file)\n",
+    "\n",
+    "# print('original client image: \"', data['services']['client']['image'], '\"')\n",
+    "\n",
+    "data['services']['client']['image'] = 'custom-client'\n",
+    "\n",
+    "# print('new client image: \"', data['services']['client']['image'], '\"')\n",
+    "\n",
+    "with open('out.yml', 'w') as file:\n",
+    "    yaml.dump(data, file, default_flow_style=False)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 17,
+   "id": "4692d95b-8280-4527-bca0-fcc98b518829",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "data from output file {'services': {'client': {'image': 'custom-client', 'otherField': 1}, 'server': {'image': 'original-server', 'otherField': 2}}}\n"
+     ]
+    }
+   ],
+   "source": [
+    "with open('out.yml', 'r') as file:\n",
+    "    data = yaml.safe_load(file)\n",
+    "\n",
+    "print('data from output file', data)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.10"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}