Passthrough arbitrary kwargs (Closes: #46)

django_slack/api.py

@@ -6,7 +6,7 @@
 from .utils import get_backend
 from .app_settings import app_settings
 
-def slack_message(template, context=None, attachments=None, fail_silently=None):
+def slack_message(template, context=None, attachments=None, fail_silently=None, **kwargs):
     backend = get_backend()
     data = {}
     context = dict(context or {}, settings=settings)
@@ -103,7 +103,7 @@ def slack_message(template, context=None, attachments=None, fail_silently=None):
         data = {'payload': json.dumps(data)}
 
     try:
-        backend.send(endpoint_url, data)
+        backend.send(endpoint_url, data, **kwargs)
     except Exception:
         if not fail_silently:
             raise

django_slack/backends.py

@@ -8,7 +8,7 @@
 from .app_settings import app_settings
 
 class UrllibBackend(Backend):
-    def send(self, url, data):
+    def send(self, url, data, **kwargs):
         r = urllib.request.urlopen(urllib.request.Request(
             url,
             urllib.parse.urlencode(data).encode('utf-8'),
@@ -25,19 +25,19 @@ def __init__(self):
 
         self.session = requests.Session()
 
-    def send(self, url, data):
+    def send(self, url, data, **kwargs):
         r = self.session.post(url, data=data, verify=False)
 
         self.validate(r.headers['Content-Type'], r.text)
 
 class ConsoleBackend(Backend):
-    def send(self, url, data):
+    def send(self, url, data, **kwargs):
         print("I: Slack message:")
         pprint.pprint(data, indent=4)
         print("-" * 79)
 
 class DisabledBackend(Backend):
-    def send(self, url, data):
+    def send(self, url, data, **kwargs):
         pass
 
 class CeleryBackend(Backend):