From f1d64798a0364b8efeb660488a3e3ea101460fd4 Mon Sep 17 00:00:00 2001
From: Richard Mathie <richard.mathie@amey.co.uk>
Date: Mon, 24 Apr 2017 16:28:29 +0100
Subject: [PATCH] starting to hate python3

---
 flask_mailgun/api.py        | 5 +++--
 flask_mailgun/attachment.py | 4 ++--
 tests/fixtures/email.py     | 4 +++-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/flask_mailgun/api.py b/flask_mailgun/api.py
index 5f80abe..4731b7c 100644
--- a/flask_mailgun/api.py
+++ b/flask_mailgun/api.py
@@ -22,7 +22,7 @@
 class MailGunAPI(object):
     def __init__(self, config):
         self.domain = config['MAILGUN_DOMAIN']
-        self.api_key = bytes(config['MAILGUN_API_KEY'])
+        self.api_key = config['MAILGUN_API_KEY'].encode('utf-8')
         self.api_url = config.get('MAILGUN_API_URL',
                                   MAILGUN_API_URL)
         self.route = config.get('MAILGUN_ROUTE', 'uploads')
@@ -141,8 +141,9 @@ def verify_email(self, email):
         if timestamp is None or token is None or signature is None:
             raise MailGunException("Mailbox Error: credential verification failed.", "Not enough parameters")
 
+        message = '{}{}'.format(timestamp, token).encode('utf-8')
         signature_calc = hmac.new(key=self.api_key,
-                                  msg=bytes('{}{}'.format(timestamp, token)),
+                                  msg=message,
                                   digestmod=hashlib.sha256).hexdigest()
         if signature != signature_calc:
             raise MailGunException("Mailbox Error: credential verification failed.", "Signature doesn't match")
diff --git a/flask_mailgun/attachment.py b/flask_mailgun/attachment.py
index 932f127..28664cd 100644
--- a/flask_mailgun/attachment.py
+++ b/flask_mailgun/attachment.py
@@ -38,7 +38,7 @@ def attachment_decorator(f, email, filename):
     """Converts a file back into a FileStorage Object"""
     with open(filename, 'r') as file:
         attachment = FileStorage(stream=file,
-                                 filename=filename)
+                                 filename=filename.encode('utf-8'))
         result = f(email, attachment)
     return result
 
@@ -90,7 +90,7 @@ class Attachment(object):
 
     def __init__(self, filename=None, content_type=None, data=None,
                  disposition=None, headers=None):
-        self.filename = filename
+        self.filename = filename.encode('utf-8')
         self.content_type = content_type
         self.data = data
         self.disposition = disposition or 'attachment'
diff --git a/tests/fixtures/email.py b/tests/fixtures/email.py
index 29ecc8d..9fed2a9 100644
--- a/tests/fixtures/email.py
+++ b/tests/fixtures/email.py
@@ -24,8 +24,10 @@ def sign_email(email, mailgun):
     token = random_string(50)
     timestamp = int(time())
     api_key = mailgun.mailgun_api.api_key
+    message = '{}{}'.format(timestamp, token).encode('utf-8')
+                                 
     signature = hmac.new(key=api_key,
-                         msg=bytes('{}{}'.format(timestamp, token)),
+                         msg=message,
                          digestmod=hashlib.sha256).hexdigest()
     email.update(dict(token=token,
                       timestamp=timestamp,