From b33c83af0a0f657ae0e48a7b945011d4c35dc4c6 2018-06-20 19:59:56
From: Brett Smith <brettcsmith@brettcsmith.org>
Date: 2018-06-20 19:59:56
Subject: [PATCH] importers: Catch and handle CSV parse errors in can_import.

import2ledger bailed on one of these exceptions when trying to import
a recent XLS file that had a null byte on a line.

---

diff --git a/import2ledger/importers/_csv.py b/import2ledger/importers/_csv.py
index 25c4480584ad7595505f332297bb74d27df33b18..325dcf5e0d97a42a4f1633463d61982c16cc94fd 100644
--- a/import2ledger/importers/_csv.py
+++ b/import2ledger/importers/_csv.py
@@ -63,8 +63,12 @@ class CSVImporterBase:
 
     @classmethod
     def can_import(cls, input_file):
-        _, fields = cls._read_header(input_file)
-        return cls._NEEDED_KEYS.issubset(fields or ())
+        try:
+            _, fields = cls._read_header(input_file)
+        except csv.Error:
+            return False
+        else:
+            return cls._NEEDED_KEYS.issubset(fields or ())
 
     def __init__(self, input_file):
         self.entry_seed, fields = self._read_header(input_file)
diff --git a/setup.py b/setup.py
index 728143e0027525f596ca89c2305e633419d5c010..b11cee9998be5006872942d80ca9e147ce28371c 100755
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ REQUIREMENTS['tests_require'] = [
 setup(
     name='import2ledger',
     description="Import different sources of financial data to Ledger",
-    version='0.3',
+    version='0.4',
     author='Brett Smith',
     author_email='brettcsmith@brettcsmith.org',
     license='GNU AGPLv3+',