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authorChristian Grothoff <christian@grothoff.org>2020-08-23 12:10:06 +0200
committerChristian Grothoff <christian@grothoff.org>2020-08-23 12:10:06 +0200
commitfd74c419ac1b308f314dd9d47c7dd98103aa0e80 (patch)
treee997be21744ec3732acfbb0a2f69b4c778c5b058 /talermerchantdemos/survey/survey.py
parenta1f8eb232edfd13b91207d9a20bb81d9eaee31bc (diff)
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generate proper error message on configuration error (fixes #6512)
Diffstat (limited to 'talermerchantdemos/survey/survey.py')
-rw-r--r--talermerchantdemos/survey/survey.py14
1 files changed, 10 insertions, 4 deletions
diff --git a/talermerchantdemos/survey/survey.py b/talermerchantdemos/survey/survey.py
index ef8e946..562b817 100644
--- a/talermerchantdemos/survey/survey.py
+++ b/talermerchantdemos/survey/survey.py
@@ -24,8 +24,9 @@ import logging
from urllib.parse import urljoin
import flask
import traceback
-from taler.util.talerconfig import TalerConfig
+from taler.util.talerconfig import TalerConfig, ConfigurationError
from ..httpcommon import backend_get, backend_post
+import sys
if not sys.version_info.major == 3 and sys.version_info.minor >= 6:
print("Python 3.6 or higher is required.")
@@ -37,9 +38,14 @@ 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)
-APIKEY = TC["frontends"]["backend_apikey"].value_string(required=True)
+try:
+ BACKEND_URL = TC["frontends"]["backend"].value_string(required=True)
+ CURRENCY = TC["taler"]["currency"].value_string(required=True)
+ APIKEY = TC["frontends"]["backend_apikey"].value_string(required=True)
+except ConfigurationError as ce:
+ print(ce)
+ exit(1)
+
app.config.from_object(__name__)
LOGGER = logging.getLogger(__name__)
INSTANCED_URL = urljoin(BACKEND_URL, f"instances/survey/")