update,

Man1130/jupyter/jupyter-helloworld/Listing.ipynb

@@ -0,0 +1,101 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from datetime import datetime\n",
+    "import pytz"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Imports: \n",
+    "* datetime: parse epoch time from listings, compare to current time\n",
+    "* pytz: specify timezone for datetime operations"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "class listing:\n",
+    "    ID = None\n",
+    "    title = None\n",
+    "    desc = None\n",
+    "    time = None\n",
+    "    price = None\n",
+    "    condition = None\n",
+    "    location = None # requires visiting listing URL\n",
+    "    image = None\n",
+    "    url = None\n",
+    "    seller = None\n",
+    "    likes = None\n",
+    "    diffTime = None\n",
+    "    listtype = None # bump, new user etc\n",
+    "\n",
+    "    def __init__(self, parsedDict):\n",
+    "        self.ID = parsedDict['id']\n",
+    "        self.seller = parsedDict['seller']['username']\n",
+    "        self.image = parsedDict['photoUrls'][0].replace('_thumbnail','')\n",
+    "        epochTime = self.image.split('_')[-2]\n",
+    "        sgTZ = pytz.timezone('Asia/Singapore')\n",
+    "        currentTime = datetime.now().astimezone(sgTZ)\n",
+    "        self.time = datetime.fromtimestamp(int(epochTime), tz=sgTZ)\n",
+    "        self.diffTime = currentTime - self.time\n",
+    "        self.title = parsedDict['title']\n",
+    "        self.price = parsedDict['price']\n",
+    "        self.desc = parsedDict['belowFold'][2]['stringContent']\n",
+    "        self.condition = parsedDict['belowFold'][3]['stringContent']\n",
+    "        self.listtype = parsedDict['aboveFold'][0]['component']\n",
+    "        # self.likes = parsedDict['likesCount'] invalid if no likes yet\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "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": "3.10.9"
+  },
+  "metadata": {
+   "interpreter": {
+    "hash": "22f70f503a14852dda6f3675b02ae61e38835edc56b87f63457d6e30f459ac44"
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}