utils.py

import re

ALERTS_TEMPLATES = {
    "error": """<div
        class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded relative"
        role="alert"
      >
        <strong class="font-bold">Error Encountered!</strong>
        <span class="block sm:inline">{}</span>
        <span class="absolute top-0 bottom-0 right-0 px-4 py-3">
          <svg
            class="fill-current h-6 w-6 text-red-500"
            role="button"
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 20 20"
          >
            <title>Close</title>
          </svg>
        </span>
      </div>""",
    "success": """<div
  class="bg-green-100 rounded-lg py-5 px-6 mb-3 text-base text-green-700 inline-flex items-center w-full"
  role="alert"
>
  <svg
    aria-hidden="true"
    focusable="false"
    data-prefix="fas"
    data-icon="check-circle"
    class="w-4 h-4 mr-2 fill-current"
    role="img"
    xmlns="http://www.w3.org/2000/svg"
    viewBox="0 0 512 512"
  >
    <path
      fill="currentColor"
      d="M504 256c0 136.967-111.033 248-248 248S8 392.967 8 256 119.033 8 256 8s248 111.033 248 248zM227.314 387.314l184-184c6.248-6.248 6.248-16.379 0-22.627l-22.627-22.627c-6.248-6.249-16.379-6.249-22.628 0L216 308.118l-70.059-70.059c-6.248-6.248-16.379-6.248-22.628 0l-22.627 22.627c-6.248 6.248-6.248 16.379 0 22.627l104 104c6.249 6.249 16.379 6.249 22.628.001z"
    ></path>
    <title>Success</title>
  </svg>
  Success - UnShortened
  <a href="{}" class="font-bold text-green-800">&nbsp; Link</a>
</div>

<div
  class="bg-indigo-100 rounded-lg py-2 px-6 text-indigo-700 flex items-center"
  role="alert"
>
  <svg
    aria-hidden="true"
    focusable="false"
    data-prefix="fas"
    data-icon="chevron-circle-right"
    class="w-4 h-4 mr-2 fill-current"
    role="img"
    xmlns="http://www.w3.org/2000/svg"
    viewBox="0 0 512 512"
  >
    <path
      fill="currentColor"
      d="M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zm113.9 231L234.4 103.5c-9.4-9.4-24.6-9.4-33.9 0l-17 17c-9.4 9.4-9.4 24.6 0 33.9L285.1 256 183.5 357.6c-9.4 9.4-9.4 24.6 0 33.9l17 17c9.4 9.4 24.6 9.4 33.9 0L369.9 273c9.4-9.4 9.4-24.6 0-34z"
    ></path>
    <title>Arrow</title>
  </svg>
  <a href="{}"> {}</a>
</div>
""",
}


def valid_url(url):

    # Regex taken from google
    re_exp = (
        "((http|https)://)(www.)?"
        + "[a-zA-Z0-9@:%._\\+~#?&//=]"
        + "{2,256}\\.[a-z]"
        + "{2,6}\\b([-a-zA-Z0-9@:%"
        + "._\\+~#?&//=]*)"
    )
    exp = re.compile(re_exp)
    if re.search(exp, url):
        return True
    return False