mirror of
				https://github.com/django/django.git
				synced 2025-11-04 05:35:37 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			44 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""
 | 
						|
Storing files according to a custom storage system
 | 
						|
 | 
						|
``FileField`` and its variations can take a ``storage`` argument to specify how
 | 
						|
and where files should be stored.
 | 
						|
"""
 | 
						|
 | 
						|
import random
 | 
						|
import tempfile
 | 
						|
 | 
						|
from django.core.files.storage import FileSystemStorage
 | 
						|
from django.db import models
 | 
						|
 | 
						|
 | 
						|
class CustomValidNameStorage(FileSystemStorage):
 | 
						|
    def get_valid_name(self, name):
 | 
						|
        # mark the name to show that this was called
 | 
						|
        return name + '_valid'
 | 
						|
 | 
						|
 | 
						|
temp_storage_location = tempfile.mkdtemp()
 | 
						|
temp_storage = FileSystemStorage(location=temp_storage_location)
 | 
						|
 | 
						|
 | 
						|
class Storage(models.Model):
 | 
						|
    def custom_upload_to(self, filename):
 | 
						|
        return 'foo'
 | 
						|
 | 
						|
    def random_upload_to(self, filename):
 | 
						|
        # This returns a different result each time,
 | 
						|
        # to make sure it only gets called once.
 | 
						|
        return '%s/%s' % (random.randint(100, 999), filename)
 | 
						|
 | 
						|
    normal = models.FileField(storage=temp_storage, upload_to='tests')
 | 
						|
    custom = models.FileField(storage=temp_storage, upload_to=custom_upload_to)
 | 
						|
    random = models.FileField(storage=temp_storage, upload_to=random_upload_to)
 | 
						|
    custom_valid_name = models.FileField(
 | 
						|
        storage=CustomValidNameStorage(location=temp_storage_location),
 | 
						|
        upload_to=random_upload_to,
 | 
						|
    )
 | 
						|
    default = models.FileField(storage=temp_storage, upload_to='tests', default='tests/default.txt')
 | 
						|
    empty = models.FileField(storage=temp_storage)
 | 
						|
    limited_length = models.FileField(storage=temp_storage, upload_to='tests', max_length=20)
 | 
						|
    extended_length = models.FileField(storage=temp_storage, upload_to='tests', max_length=300)
 |