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# This file is part of GNU TALER.
# Copyright (C) 2017 Taler Systems SA
#
# TALER is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 2.1, or (at your option) any later version.
#
# TALER is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with
# GNU TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
#
# @author Marcello Stanisci
import flask
import os
import base64
from talersurvey.talerconfig import TalerConfig
base_dir = os.path.dirname(os.path.abspath(__file__))
app = flask.Flask(__name__, template_folder=base_dir)
app.debug = True
app.secret_key = base64.b64encode(os.urandom(64)).decode('utf-8')
tc = TalerConfig.from_env()
BACKEND_URL = tc["frontends"]["backend"].value_string(required=True)
CURRENCY = tc["taler"]["currency"].value_string(required=True)
app.config.from_object(__name__)
@app.context_processor
def utility_processor():
def join_urlparts(*parts):
s = ""
i = 0
while i < len(parts):
n = parts[i]
i += 1
if s.endswith("/"):
n = n.lstrip("/")
elif s and not n.startswith("/"):
n = "/" + n
s += n
return s
def url(my_url):
return join_urlparts(flask.request.script_root, my_url)
def env(name, default=None):
return os.environ.get(name, default)
return dict(url=url, env=env)
@app.route("/")
def index():
return flask.render_template("templates/index.html", merchant_currency=CURRENCY)
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