Namespace all modules under gn2.

We move all modules under a gn2 directory. This is important for
"correct" packaging and deployment as a Guix service.

1 files changed, 16 insertions, 0 deletions

diff --git a/gn2/wqflask/correlation/exceptions.py b/gn2/wqflask/correlation/exceptions.py
new file mode 100644
index 00000000..f4e2b72b
--- /dev/null
+++ b/gn2/wqflask/correlation/exceptions.py
@@ -0,0 +1,16 @@
+"""Correlation-Specific Exceptions"""
+
+class WrongCorrelationType(Exception):
+    """Raised when a correlation is requested for incompatible datasets."""
+
+    def __init__(self, trait, target_dataset, corr_method):
+        corr_method = {
+            "lit": "Literature",
+            "tissue": "Tissue"
+        }[corr_method]
+        message = (
+            f"It is not possible to compute the '{corr_method}' correlations "
+            f"between trait '{trait.name}' and the data in the "
+            f"'{target_dataset.fullname}' dataset. "
+            "Please try again after selecting another type of correlation.")
+        super().__init__(message)