From 910b95c9425e2b7bbc30dc7363ddce806ae98192 Mon Sep 17 00:00:00 2001
From: Brett Smith <brettcsmith@brettcsmith.org>
Date: Thu, 5 Mar 2020 13:57:20 -0500
Subject: [PATCH] errors: Add a __repr__.

This makes the errors easier to understand in test failures.
---
 conservancy_beancount/plugin/errors.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/conservancy_beancount/plugin/errors.py b/conservancy_beancount/plugin/errors.py
index 59b8525..6bd6842 100644
--- a/conservancy_beancount/plugin/errors.py
+++ b/conservancy_beancount/plugin/errors.py
@@ -20,6 +20,13 @@ class _BaseError(Exception):
         self.entry = entry
         self.source = entry.meta if source is None else source
 
+    def __repr__(self):
+        return "{clsname}<{source[filename]}:{source[lineno]}: {message}>".format(
+            clsname=type(self).__name__,
+            message=self.message,
+            source=self.source,
+        )
+
 
 class InvalidMetadataError(_BaseError):
     def __init__(self, txn, post, key, value=None, source=None):