Fixed issue Parser behaving different on Linux vs Windows #136

src/mailparser/core.py

@@ -564,7 +564,12 @@ def __getattr__(self, name):
         # object headers
         elif name_header in ADDRESSES_HEADERS:
             h = decode_header_part(self.message.get(name_header, six.text_type()))
-            return email.utils.getaddresses([h])
+            h_parsed = email.utils.getaddresses([h], strict=True)
+            return (
+                h_parsed
+                if h_parsed != [("", "")]
+                else email.utils.getaddresses([h], strict=False)
+            )
 
         # others headers
         else:

tests/mails/mail_test_17

@@ -0,0 +1,102 @@
+Received: from apiron13.triara.com (200.57.129.98) by APCNHUB11.correo.local
+ (172.18.31.175) with Microsoft SMTP Server id 14.3.498.0; Mon, 10 Oct 2022
+ 15:11:35 -0500
+Authentication-Results: mailb.triara.com; spf=None smtp.mailfrom=www-data@vps-051e4cda.vps.ovh.net
+Received-SPF: None (mailb.triara.com: no sender authenticity
+  information available from domain of
+  www-data@vps-051e4cda.vps.ovh.net) identity=mailfrom;
+  client-ip=152.228.133.10; receiver=mailb.triara.com;
+  envelope-from="www-data@vps-051e4cda.vps.ovh.net";
+  x-sender="www-data@vps-051e4cda.vps.ovh.net";
+  x-conformance=spf_only
+X-IPAS-Result: =?us-ascii?q?A0C0kgB4e0RjYQqF5JhaGgEBAQEBKwEBAQEDAQEBAQEBA?=
+ =?us-ascii?q?QMBAQEBAgIBAQEBAgEJAYFmTFMbAgFlBzFJKwEpEB8EC0IDA4RLXIgihXEtg?=
+ =?us-ascii?q?yULiwaKFWSFYyKBAgNfAQEBAQEBAQEBBAEEEgIRDwgGBAEBhVYBAQeEHAIjT?=
+ =?us-ascii?q?QECBAEBAQEDAgMBAQEBAQEDAQEBBAEBAQIBAwQEB0kFEgorhWgNgiIBhEkag?=
+ =?us-ascii?q?RkCBEobgweDDxEDBQulbodVgTKBAYNQAYELg1gngRgQgSYVAgEBAYFRhT4Fg?=
+ =?us-ascii?q?TgBgwqCJ4IvJ4FnQhKBA4U4Q08CAQEBF4ITgwoYgk4EmTN7BFIDMxEdEyMBC?=
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+ =?us-ascii?q?QIDImoDAwQoLAMJQAcoJAQ4B1g6BQMCECI8BgMJAwIkWYEkDRkFAw0XJggFN?=
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+ =?us-ascii?q?DWBWgyBW4FMWAEBggABCToOGQ+NfoMrhFqBI4R1VUQxAgEBGR4CBgEKAQEDC?=
+ =?us-ascii?q?QGCOohaAQE?=
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+ OmojWAgsQR4pDOik9w0hL7OgIYEorgr3Tth28NteIS1FEV3aJi6CIAWsD+acY17XpF6K1w=
+IronPort-Data: A9a23:P1Ts4KAPg74kWhVW/xXjw5YqxClBgxIJ4kV8jS/XYbTApDoj0DRTm
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+ g==
+IronPort-HdrOrdr: A9a23:IE0U3q0tRN9Bymkrd2qGBQqjBNUkLtp133Aq2lEZdPWPSL36qy
+ nAppkmPHPP6Qr5O0tBpTn/AsW9qBrnnPYfi7X5W43SPjUO01HHEGgN1+Tf/wE=
+X-IronPort-Anti-Spam-Filtered: true
+Subject: =?UTF-8?B?VHJhbnNmZXJlbmNpYSBJbnRlcmJhbmNhcmlhIEJhbmNhIGVuIEzDrW5lYQ==?=
+X-IronPort-AV: E=Sophos;i="5.95,173,1661835600";
+   d="html'217?zip'217,48?scan'217,48,208,48,217";a="1030153556"
+X-MGA-submission: =?us-ascii?q?MDFfnUeOjYtx/kPz1rQrHfQrNIBGcOsaef6Pxd?=
+ =?us-ascii?q?fYLajkW0aqpJS8e/pX+Kfz9sRkdcd5xyISxIOdF+YXiKE+ILG7RI8546?=
+ =?us-ascii?q?G6AgtU3PrBER1OQ5hnnprxu8FcYwakAkY4OSc=3D?=
+Received: from vps-051e4cda.vps.ovh.net ([152.228.133.10])  by
+ apiron13.triara.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 10 Oct 2022
+ 15:11:34 -0500
+Received: from vps-051e4cda.vps.ovh.net (localhost [127.0.0.1])	by
+ vps-051e4cda.vps.ovh.net (8.15.2/8.15.2/Debian-10) with ESMTP id
+ 29AKBWdZ005349	for <compliance@akaancasadebolsa.com.mx>; Mon, 10 Oct 2022
+ 20:11:32 GMT
+Received: (from www-data@localhost)	by vps-051e4cda.vps.ovh.net
+ (8.15.2/8.15.2/Submit) id 29AKBWwn005317;	Mon, 10 Oct 2022 20:11:32 GMT
+Date: Mon, 10 Oct 2022 20:11:32 +0000
+Message-ID: <202210102011.29AKBWwn005317@vps-051e4cda.vps.ovh.net>
+To: <compliance@akaancasadebolsa.com.mx>
+From: =?UTF-8?B?bm90aWZpY2FjY2lvbi1jbGllbnRlc0BiYnZhLm14?=
+	<notificaccion-clientes@bbva.mx>
+Reply-To: <info@alejandrosalcedo.es>
+Return-Path: www-data@vps-051e4cda.vps.ovh.net
+X-MS-Exchange-Organization-AuthSource: APCNHUB11.correo.local
+X-MS-Exchange-Organization-AuthAs: Anonymous
+Content-Type: multipart/mixed; boundary="B_3748259537_1769991493"
+MIME-Version: 1.0
+
+--B_3748259537_1769991493
+Content-Type: multipart/alternative; boundary="B_3748259537_911412125"
+
+--B_3748259537_911412125
+Content-Type: text/plain; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+
+
+--B_3748259537_911412125
+Content-Type: text/html; charset="UTF-8"
+Content-Transfer-Encoding: quoted-printable
+
+<html><head>
+<meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dutf-8">
+</head>
+<body>Test</body>
+</html>
+
+--B_3748259537_911412125--

tests/test_mail_parser.py

@@ -62,6 +62,7 @@
 mail_test_14 = os.path.join(base_path, "mails", "mail_test_14")
 mail_test_15 = os.path.join(base_path, "mails", "mail_test_15")
 mail_test_16 = os.path.join(base_path, "mails", "mail_test_16")
+mail_test_17 = os.path.join(base_path, "mails", "mail_test_17")
 mail_malformed_1 = os.path.join(base_path, "mails", "mail_malformed_1")
 mail_malformed_2 = os.path.join(base_path, "mails", "mail_malformed_2")
 mail_malformed_3 = os.path.join(base_path, "mails", "mail_malformed_3")
@@ -702,3 +703,10 @@ def test_issue_139(self):
             "Subject": "Test spam mail (GTUBE)",
             "To": [("Recipient", "recipient@example.net")],
         }
+
+    def test_issue_136(self):
+        mail = mailparser.parse_from_file(mail_test_17)
+        assert mail.from_ == [
+            ("", "notificaccion-clientes@bbva.mx"),
+            ("", "notificaccion-clientes@bbva.mx"),
+        ]