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-rw-r--r--talermerchantdemos/httpcommon/__init__.py4
1 files changed, 4 insertions, 0 deletions
diff --git a/talermerchantdemos/httpcommon/__init__.py b/talermerchantdemos/httpcommon/__init__.py
index 0584cba..ca61b66 100644
--- a/talermerchantdemos/httpcommon/__init__.py
+++ b/talermerchantdemos/httpcommon/__init__.py
@@ -199,3 +199,7 @@ def make_utility_processor(pagename):
)
return utility_processor
+
+# Ask the env the value of X-Forwarded-Prefix.
+def get_app_root():
+ return flask.request.environ.get("SCRIPT_NAME", "")