def index():
short_url = None
if request.method == "POST":
if "url" in request.form:
try:
# is the url already stored?
record = Url.retrieve_by_url(request.form["url"])
if record is not None:
id = record.id
else:
# stores the url:
id = Url(request.form["url"]).store()
short_url = base_conv(id, input_base=10, output_base=62)
except Exception as e:
return undefined_error()
bg_color = random.choice(["pink", "#3366FF", "#00FF33", "#FFFF66",
"#FF99FF"])
return render_template("index.html",
short_url=short_url,
bg_color=bg_color,
)
