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URL Shortener Iteration 4
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import md5 | |
import base64 | |
import random | |
import json | |
from flask import Flask | |
from flask import request, redirect | |
import redis | |
app = Flask(__name__) | |
# DB | |
redis_connection = redis.StrictRedis("localhost", 6379) | |
# TESTS | |
def test_lookup(): | |
random_url = "Test URL: %s" % random.random() | |
code = create_code_for_url(random_url) | |
assert random_url == get_url_for_code(code) | |
# LIB | |
def minihash(url): | |
return base64.b64encode(md5.new(url).digest())[:6] | |
def create_code_for_url(url): | |
#TODO: handle collisions | |
code = minihash(url) | |
redis_connection.set(code, url) | |
return code | |
def get_url_for_code(code): | |
return redis_connection.get(code) | |
# ROUTES | |
@app.route("/create") | |
def route_create(): | |
url = request.args.get('url') | |
return create_code_for_url(url) | |
@app.route("/<path:path>") | |
def route_redirect(path): | |
return redirect(get_url_for_code(path)) | |
# STARTUP | |
if __name__ == "__main__": | |
app.debug = True | |
app.run() |
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