From adfeccd2095cb0cba8c6f5c81bf23610f6290916 Mon Sep 17 00:00:00 2001
From: Pat Ekman <pat@ekman.cx>
Date: Sat, 6 Feb 2021 17:29:47 -0800
Subject: [PATCH] Fixing parse error "unknown encoding: cpNONE"

This handles the case where the encoding is "USASCII" and the charset is
the string "NONE" instead of a valid charset. I've seen this in files
from two different institutions.
---
 ofxparse/ofxparse.py |  2 ++
 tests/test_parse.py  | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/ofxparse/ofxparse.py b/ofxparse/ofxparse.py
index 8af6c60..6b853c4 100644
--- a/ofxparse/ofxparse.py
+++ b/ofxparse/ofxparse.py
@@ -124,6 +124,8 @@ def handle_encoding(self):
             cp = ascii_headers.get("CHARSET", "1252")
             if cp == "8859-1":
                 encoding = "iso-8859-1"
+            elif cp == "NONE":
+                encoding = "1252"
             else:
                 encoding = "cp%s" % (cp, )
 
diff --git a/tests/test_parse.py b/tests/test_parse.py
index 78bd779..7208b2b 100644
--- a/tests/test_parse.py
+++ b/tests/test_parse.py
@@ -123,6 +123,24 @@ def testBrokenLineEndings(self):
         ofx_file = self.OfxFileCls(fh)
         self.assertEqual(len(ofx_file.headers.keys()), 2)
 
+    def testUSASCIICharsetNone(self):
+        fh = six.BytesIO(six.b("""OFXHEADER:100
+DATA:OFXSGML
+VERSION:102
+SECURITY:NONE
+ENCODING:USASCII
+CHARSET:NONE
+COMPRESSION:NONE
+OLDFILEUID:NONE
+NEWFILEUID:NONE
+"""))
+        ofx_file = self.OfxFileCls(fh)
+        headers = ofx_file.headers
+        result = ofx_file.fh.read()
+
+        self.assertTrue(type(result) is six.text_type)
+        self.assertHeadersTypes(headers)
+
 
 class TestOfxPreprocessedFile(TestOfxFile):
     OfxFileCls = OfxPreprocessedFile