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-rw-r--r--talerdonations/helpers.py101
1 files changed, 0 insertions, 101 deletions
diff --git a/talerdonations/helpers.py b/talerdonations/helpers.py
deleted file mode 100644
index 614e463..0000000
--- a/talerdonations/helpers.py
+++ /dev/null
@@ -1,101 +0,0 @@
-# This file is part of TALER
-# (C) 2016 INRIA
-#
-# TALER is free software; you can redistribute it and/or modify it under the
-# terms of the GNU Affero General Public License as published by the Free Software
-# Foundation; either version 3, 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License along with
-# TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
-#
-# @author Florian Dold
-# @author Marcello Stanisci
-
-from urllib.parse import urljoin, urlencode
-import logging
-import json
-import flask
-from .talerconfig import TalerConfig
-
-LOGGER = logging.getLogger(__name__)
-
-TC = TalerConfig.from_env()
-BACKEND_URL = TC["frontends"]["backend"].value_string(required=True)
-NDIGITS = TC["frontends"]["NDIGITS"].value_int()
-CURRENCY = TC["taler"]["CURRENCY"].value_string()
-
-FRACTION_BASE = 1e8
-
-if not NDIGITS:
- NDIGITS = 2
-
-class MissingParameterException(Exception):
- def __init__(self, param):
- self.param = param
- super().__init__()
-
-def amount_to_float(amount):
- return amount['value'] + (float(amount['fraction']) / float(FRACTION_BASE))
-
-
-def amount_from_float(floatx):
- value = int(floatx)
- fraction = int((floatx - value) * FRACTION_BASE)
- return dict(currency=CURRENCY, value=value, fraction=fraction)
-
-
-def join_urlparts(*parts):
- ret = ""
- part = 0
- while part < len(parts):
- buf = parts[part]
- part += 1
- if ret.endswith("/"):
- buf = buf.lstrip("/")
- elif ret and not buf.startswith("/"):
- buf = "/" + buf
- ret += buf
- return ret
-
-
-def make_url(page, *query_params):
- """
- Return a URL to a page in the current Flask application with the given
- query parameters (sequence of key/value pairs).
- """
- query = urlencode(query_params)
- if page.startswith("/"):
- root = flask.request.url_root
- page = page.lstrip("/")
- else:
- root = flask.request.base_url
- url = urljoin(root, "%s?%s" % (page, query))
- # urlencode is overly eager with quoting, the wallet right now
- # needs some characters unquoted.
- return url.replace("%24", "$").replace("%7B", "{").replace("%7D", "}")
-
-
-def expect_parameter(name, alt=None):
- value = flask.request.args.get(name, None)
- if value is None and alt is None:
- LOGGER.error("Missing parameter '%s' from '%s'." % (name, flask.request.args))
- raise MissingParameterException(name)
- return value if value else alt
-
-
-def get_query_string():
- return flask.request.query_string
-
-def backend_error(requests_response):
- LOGGER.error("Backend error: status code: "
- + str(requests_response.status_code))
- try:
- return flask.jsonify(requests_response.json()), requests_response.status_code
- except json.decoder.JSONDecodeError:
- LOGGER.error("Backend error (NO JSON returned): status code: "
- + str(requests_response.status_code))
- return flask.jsonify(dict(error="Backend died, no JSON got from it")), 502