create emailer version 1

env/Lib/site-packages/django/contrib/sites/requests.py

@@ -0,0 +1,20 @@
+class RequestSite:
+    """
+    A class that shares the primary interface of Site (i.e., it has ``domain``
+    and ``name`` attributes) but gets its data from an HttpRequest object
+    rather than from a database.
+
+    The save() and delete() methods raise NotImplementedError.
+    """
+
+    def __init__(self, request):
+        self.domain = self.name = request.get_host()
+
+    def __str__(self):
+        return self.domain
+
+    def save(self, force_insert=False, force_update=False):
+        raise NotImplementedError("RequestSite cannot be saved.")
+
+    def delete(self):
+        raise NotImplementedError("RequestSite cannot be deleted.")