How to make django pdf file upload?

Question

Django

How to make pdf file upload through django admin?
models.py

class PostLecture(models.Model):
    title = models.CharField(max_length = 200)
    pdf = models.FileField()
    time = models.DateTimeField(auto_now_add = True)


    def __unicode__(self):
        return self.title

    def get_absolute_url(self):
        return reverse("posts:detail", kwargs={"id": self.id})

    class Meta:
        ordering = ['-time']

how to change save path? to save to a specific folder.
and how to make it so that it can be downloaded from the web page?

Answer 1

https://docs.djangoproject.com/en/1.11/topics/files/
And url can be obtained using obj.pdf.url