From a3bc059031d76d20b13d788f6c57ff043a357261 Mon Sep 17 00:00:00 2001
From: Martijn Vermaat <martijn@vermaat.name>
Date: Tue, 16 Feb 2016 17:49:28 +0100
Subject: [PATCH] Improve error message when reference is too large

This will mainly help when the user tries to use a chromosomal NC
reference in the name checker.
---
 mutalyzer/Retriever.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/mutalyzer/Retriever.py b/mutalyzer/Retriever.py
index 192716c4..153b06dd 100644
--- a/mutalyzer/Retriever.py
+++ b/mutalyzer/Retriever.py
@@ -382,8 +382,10 @@ class GenBankRetriever(Retriever):
                 return None
             if length > settings.MAX_FILE_SIZE:
                 self._output.addMessage(
-                    __file__, 4, 'ERETR', 'Could not retrieve {}.'.format(
-                        name))
+                    __file__, 4, 'ERETR',
+                    'Could not retrieve {} (exceeds maximum file size of {} '
+                    'megabytes).'.format(
+                        name, settings.MAX_FILE_SIZE // 1048576))
                 return None
             try:
                 net_handle = Entrez.efetch(
-- 
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