Demonstrate how to scrape ciphertext from http://homebrew.herokuapp.com/

blah.py

# python blah.py my plaintext here
# F3C3ECD09B3238CB8060C2AF55BFC31451FF8C8DA0B6A0FC876FFA54D6D72B9BE3CAD927F8
# http://homebrew.herokuapp.com/?plaintext=my+plaintext+here

import requests
from HTMLParser import HTMLParser
from urllib import quote
import sys


CIPHER_URL = "http://homebrew.herokuapp.com/?plaintext={}"


def main(args):
    plaintext = " ".join(args[1:])
    request_url = CIPHER_URL.format(quote(plaintext))

    r = requests.get(request_url)
    if r.status_code == 200:
        # all good
        parser = CipherTextParser()
        parser.get_ciphertext_data(r.text)
        print(parser.ret)  # <---- ciphertext
    else:
        print("failure")


class CipherTextParser(HTMLParser):
    '''Parses the HTML from the website and returns the ciphertext.
    Most of the useful code was stolen from
    http://stackoverflow.com/questions/7204056/python-htmlparser
    '''

    def get_ciphertext_data(self, html, element="textarea", attr="disabled"):
        self.tags = []
        self.element = element
        self.attribute = attr
        self.ret = ""  # ciphertext will be placed here

        self.feed(html)

    def handle_starttag(self, tag, attrs):
        self.tags.append((tag.lower(), attrs))

    def handle_endtag(self, tag):
        self.tags.pop()

    def handle_data(self, data):
        element = self.tags[-1][0]  # so bad
        attributes = self.tags[-1][1]
        if element == self.element and (u'disabled', None) in attributes:
            self.ret = data


if __name__ == "__main__":
    main(sys.argv)  # " ".join(sys.argv[1:]) will be the plaintext

Or you can do that :P