Tuesday, May 2, 2017

Django Admin escaping text

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I recently upgraded Django from 1.3 to 1.8.18 and been having issues with links custom made to pre-fill forms in Django admin. For example, I have the following link:

/admin/miscellaneous/whatsnew/add/?title=...%20competition%20results%20uploaded&pub_date=21-04-2017&body=&link= 

When executed the pre-filled data in the form looks like: enter image description here

Where it should look like this:

enter image description here

When testing directly from the URL bar in Safari it changes to this after pressing enter:

https://flyball.org.au/admin/miscellaneous/whatsnew/add/?title=...%2520competition%2520results%2520uploaded&pub_date=21-04-2017&body=&link= 

models.py

class WhatsNew(models.Model):     title = models.CharField(max_length=100,help_text='Title, MAX 100 characters.')     body = models.TextField()     pub_date = models.DateField()     message_expiry = models.DateField(default=datetime.date.today() + relativedelta(years=1))     link = models.URLField(blank=True, null=True)      class Meta:         ordering = ['-pub_date']         verbose_name_plural = "Whats New?"      def __unicode__(self):         return self.title 

admin.py

import models from django.contrib import admin  class WhatsNewAdmin(admin.ModelAdmin):     list_display = ('title','pub_date','message_expiry','link','body')  admin.site.register(models.WhatsNew, WhatsNewAdmin) 

What can I do to resolve this?

2 Answers

Answers 1

So, I'm not sure how to do it on the ModelAdmin, but you can create custom setters on your model to handle this situation. Here's how I would go about escaping the URL encoded strings:

import urllib   class WhatsNew(models.Model):     # Field with custom setter     _title = models.CharField(max_length=100,                              help_text='Title, MAX 100 characters.',                              db_column='title')      body = models.TextField()     pub_date = models.DateField()     message_expiry = models.DateField(default=datetime.date.today() + relativedelta(years=1))     link = models.URLField(blank=True, null=True)      # Custom getter and setter     @property     def title(self):         return self._title      @title.setter     def title(self, value):         self._title = urllib.unquote(value)      class Meta:         ordering = ['-pub_date']         verbose_name_plural = "Whats New?"      def __unicode__(self):         return self._title 

Answers 2

Use + instead of %20 for space and it works.

Your link should be something like:

/admin/miscellaneous/whatsnew/add/?title=...+competition+results+uploaded&pub_date=21-04-2017&body=&link= 
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