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app.py
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app.py
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# import necessary libraries
from flask import Flask, render_template, redirect
from flask_pymongo import PyMongo
import scrape_mars
# create instance of Flask app
app = Flask(__name__)
# Use PyMongo to establish Mongo connection
mongo = PyMongo(app, uri="mongodb://localhost:27017/mars_app")
# create route that renders index.html template
@app.route("/")
def home():
# Find one record of data from the mongo database
mars_data = mongo.db.collection.find_one()
# Return template and data
return render_template("index.html", mars=mars_data)
@app.route("/scrape")
def scrape():
# Run the scrape function
scraped_data = scrape_mars.scrape()
# Update the Mongo database using update and upsert=True
mongo.db.collection.update({}, scraped_data, upsert=True)
# Redirect back to home page
return redirect("/", code=302)
if __name__ == "__main__":
app.run(debug=True)