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Python Django Basics Model Administration Adding Instances

__str__(self) not working

The following does not output the string information

from django.db import models

# Create your models here.

class Course(models.Model):
    created_at = models.DateTimeField(auto_now_add=True)
    #whenever record first added or created will be now in the time zone

    title = models.CharField(max_length=255)
    description = models.TextField()

    def __str__(self):
        #defines how this thing turns into a string
        return self.title

output

In [14]: Course.objects.all()
Out[14]: [<Course: Course object>, <Course: Course object>, <Course: Course object>]

[MOD: fixed formatting -cf]

2 Answers

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,457 Points

The __str__() method is only used in a string or printing context. Printing containers will displayed each contained element using __repl__(). To see the strings of your objects within the list, create a ___repl__() method that outputs a string, or use print or str() to extract all the strings from the list:

[str(x) for x in Course.objects.all()]

This looks good but it isn't what's described in the course,which as stated in the question, doesn't appear to work

Chris Freeman
Chris Freeman
Treehouse Moderator 68,457 Points

Iā€™m not sure what you mean. Could you please elaborate on your answer?