generate_properties.ipynb

{
 "metadata": {
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.8.3"
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  "kernelspec": {
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   "display_name": "Python 3.8.3  ('etl': venv)"
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  "metadata": {
   "interpreter": {
    "hash": "92fe8ba986d9bb1d6e312afde57801726bf663e00db413394e6ff6c128215ab8"
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 "nbformat": 4,
 "nbformat_minor": 2,
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#code to generate detect and update schema changes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import json"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "tap_stream_id=\"metaorigin-usercreditaccount\"\n",
    "SINGER_DATA = '/home/navneetsajwan/airflow/singer_data/'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "fpath = f\"{SINGER_DATA}properties.json\"\n",
    "# Opening JSON file\n",
    "with open(fpath) as json_file:\n",
    "    data = json.load(json_file)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "schema = {\"streams\":[]}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "schema"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "streams_list = data['streams']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "for stream in streams_list:\n",
    "    if stream[\"tap_stream_id\"] == tap_stream_id:\n",
    "        print(stream[\"tap_stream_id\"])\n",
    "        schema['streams'].append(stream)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "schema"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "schema['streams'][0]['metadata'][0]['metadata']['selected']= True"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "schema['streams'][0]['metadata'][0]['metadata']['replication-method']= \"FULL_TABLE\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(f\"{SINGER_DATA}metaorigin_properties.json\", \"w\") as outfile: \n",
    "    json.dump(schema, outfile)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ]
}