Fix UnicodeEncodeError error while reporting invalid email address.

Fixes #148.

CHANGELOG.rst

@@ -36,6 +36,9 @@ Fixes
 * Support using `AnymailMessage` with django-mailer and similar packages that pickle
   messages. (See `#147`_. Thanks to `@ewingrj`_ for identifying the problem.)
 
+* Fix UnicodeEncodeError error while reporting invalid email address on Python 2.7.
+  (See `#148`_. Thanks to `@fdemmer`_ for reporting the problem.)
+
 
 v6.0
 ----
@@ -941,12 +944,14 @@ Features
 .. _#112: https://github.com/anymail/issues/112
 .. _#115: https://github.com/anymail/issues/115
 .. _#147: https://github.com/anymail/issues/147
+.. _#148: https://github.com/anymail/issues/148
 
 .. _@ailionx: https://github.com/ailionx
 .. _@calvin: https://github.com/calvin
 .. _@costela: https://github.com/costela
 .. _@decibyte: https://github.com/decibyte
 .. _@ewingrj: https://github.com/ewingrj
+.. _@fdemmer: https://github.com/fdemmer
 .. _@janneThoft: https://github.com/janneThoft
 .. _@joshkersey: https://github.com/joshkersey
 .. _@Lekensteyn: https://github.com/Lekensteyn

anymail/exceptions.py

@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import json
 from traceback import format_exception_only
 
@@ -40,7 +42,7 @@ class AnymailError(Exception):
 
     def __str__(self):
         parts = [
-            " ".join([str(arg) for arg in self.args]),
+            " ".join([six.text_type(arg) for arg in self.args]),
             self.describe_raised_from(),
             self.describe_send(),
             self.describe_response(),

anymail/utils.py

@@ -158,13 +158,13 @@ def parse_address_list(address_list, field=None):
     for address in parsed:
         if address.username == '' or address.domain == '':
             # Django SMTP allows username-only emails, but they're not meaningful with an ESP
-            errmsg = "Invalid email address '{problem}' parsed from '{source}'{where}.".format(
+            errmsg = u"Invalid email address '{problem}' parsed from '{source}'{where}.".format(
                 problem=address.addr_spec,
-                source=", ".join(address_list_strings),
+                source=u", ".join(address_list_strings),
-                where=" in `%s`" % field if field else "",
+                where=u" in `%s`" % field if field else "",
             )
             if len(parsed) > len(address_list):
-                errmsg += " (Maybe missing quotes around a display-name?)"
+                errmsg += u" (Maybe missing quotes around a display-name?)"
             raise AnymailInvalidAddress(errmsg)
 
     return parsed

tests/test_utils.py

@@ -138,6 +138,12 @@ class ParseAddressListTests(SimpleTestCase):
         with self.assertRaisesMessage(AnymailInvalidAddress, "Display Name"):
             parse_address_list(['"Display Name"', '<valid@example.com>'])
 
+    def test_invalid_with_unicode(self):
+        # (assertRaisesMessage can't handle unicode in Python 2)
+        with self.assertRaises(AnymailInvalidAddress) as cm:
+            parse_address_list([u"\N{ENVELOPE}"])
+        self.assertIn(u"Invalid email address '\N{ENVELOPE}'", six.text_type(cm.exception))
+
     def test_single_string(self):
         # bare strings are used by the from_email parsing in BasePayload
         parsed_list = parse_address_list("one@example.com")