From 6c108c459d8cfeda46b8e045ef750c01dd0ffcaa Mon Sep 17 00:00:00 2001
From: Ian Foote
Date: Wed, 16 Apr 2014 12:32:04 +0100
Subject: Allow customising ChoiceField blank display value

---
 rest_framework/fields.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'rest_framework/fields.py')

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index 946a5954..d9521cd4 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -509,12 +509,16 @@ class ChoiceField(WritableField):
                             'the available choices.'),
     }
 
-    def __init__(self, choices=(), *args, **kwargs):
+    def __init__(self, choices=(), blank_display_value=None, *args, **kwargs):
         self.empty = kwargs.pop('empty', '')
         super(ChoiceField, self).__init__(*args, **kwargs)
         self.choices = choices
         if not self.required:
-            self.choices = BLANK_CHOICE_DASH + self.choices
+            if blank_display_value is None:
+                blank_choice = BLANK_CHOICE_DASH
+            else:
+                blank_choice = [('', blank_display_value)]
+            self.choices = blank_choice + self.choices
 
     def _get_choices(self):
         return self._choices
-- 
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