Change method name to AbstractEmailForm.send_mail

Also contails release notes for #2926

CHANGELOG.txt

@@ -5,6 +5,7 @@ Changelog
 ~~~~~~~~~~~~~~~~
 
  * The Wagtail version number can now be obtained as a tuple using `from wagtail import VERSION` (Tim Heap)
+ * ``send_mail`` logic has been moved from ``AbstractEmailForm.process_form_submission`` into ``AbstractEmailForm.send_mail``. Now it's easier to override this logic (Tim Leguijt)
  * Fix: Migrations for wagtailcore and project template are now reversible (Benjamin Bach)
  * Fix: The default image format label text ('Full width', 'Left-aligned', 'Right-aligned') is now localised (Mikalai Radchuk)
 

CONTRIBUTORS.rst

@@ -161,6 +161,7 @@ Contributors
 * Fábio Macêdo Mendes
 * Eraldo Energy
 * Jesse Legg
+* Tim Leguijt
 
 Translators
 ===========

docs/releases/1.7.rst

@@ -15,6 +15,7 @@ Minor features
 ~~~~~~~~~~~~~~
 
 * The Wagtail version number can now be obtained as a tuple using ``from wagtail import VERSION`` (Tim Heap)
+* ``send_mail`` logic has been moved from ``AbstractEmailForm.process_form_submission`` into ``AbstractEmailForm.send_mail``. Now it's easier to override this logic (Tim Leguijt)
 
 
 Bug fixes

wagtail/wagtailforms/models.py

@@ -218,10 +218,10 @@ class AbstractEmailForm(AbstractForm):
     def process_form_submission(self, form):
         submission = super(AbstractEmailForm, self).process_form_submission(form)
         if self.to_address:
-            self.send_form_mail(form)
+            self.send_mail(form)
         return submission
 
-    def send_form_mail(self, form):
+    def send_mail(self, form):
         addresses = [x.strip() for x in self.to_address.split(',')]
         content = '\n'.join([x[1].label + ': ' + text_type(form.data.get(x[0])) for x in form.fields.items()])
         send_mail(self.subject, content, addresses, self.from_address,)