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I have text saved in my mysql records which looks like this:

Handmade item

Materials: wooden handcrafted handle, professional laser engraved rubber, brown 
cardboard special gift box, authorial stamp passport

the text above is represent overview in my accessory model which is:

from django.db import models

class Accessory(models.Model):
 img = models.ImageField(upload_to='accessories/', default='accessories/no.png')
 name = models.CharField(max_length=50)
 price = models.DecimalField(max_digits=5, decimal_places=2)
 img_inside1 = models.ImageField(upload_to='accessories/', default='accessories/no.png', blank=True)
 img_inside2 = models.ImageField(upload_to='accessories/', default='accessories/no.png', blank=True)
 img_inside3 = models.ImageField(upload_to='accessories/', default='accessories/no.png', blank=True)
 title = models.CharField(max_length=50)
 overview = models.TextField(blank=True)
 description = models.TextField()

I want to display each line in <li> tag

to appear like that:

 <ul>
 <li><p>Handmade item</p></li>
 <li><p>Materials: wooden handcrafted handle, 
 professional laser engraved rubber, brown cardboard 
 special gift box, authorial stamp passport</p>
 </li>
 </ul>

using linebreaks filter will not apply <ul> default style (showing bullets). thanks in advance!

Quick and dirty solution: split the string on newlines and iterate over the result.

class Accessory(models.Model):
 # ...
 overview = models.TextField()

 def overview_lines(self):
 return filter(None, (line.strip() for line in self.overview.splitlines()))

and then

 <ul>
 % for line in howeryounamedyourobject.overview_lines % 
 <li><p> line </p></li>
 % endfor %
 </ul>

Better solutions:

either have a proper model for materials (whit a many to many relationship) or use markup instead of plain text in your "overview" field.