*models*
-----------------------
import datetime
from mimetypes import MimeTypes
from django.db import models
from django.utils import timezone
from django.utils.translation import ugettext_lazy as _
from mutagen import mp3, mp4, oggvorbis, oggtheora
import libs
.........................
*class Photo*(models.Model):
id = models.AutoField(primary_key=True)
*title* = models.CharField(verbose_name=_('Name of photo'),
max_length=200, help_text=_('Enter name of photo'))
*path* = models.ImageField(verbose_name=_('Path to photo'),
upload_to='photos', help_text=_('Choice path to photo'))
pub_date = models.DateTimeField(verbose_name=_('Added'),
auto_now_add=True)
def recently_added(self):
return timezone.now() >= self.pub_date >= timezone.now() -
datetime.timedelta(days=3)
recently_added.admin_order_field = 'pub_date'
recently_added.boolean = True
recently_added.short_description = _('Recently?')
def get_dimension_photo(self):
return '{0} x {1}'.format(self.path.width, self.path.height)
get_dimension_photo.short_description = _('Dimension')
def get_size_file(self):
"""
documentation for function get_size_file
"""
return libs.ReadebleSizeFile(self.path.size)
get_size_file.short_description = _('Size')
def get_type_file(self):
"""
documentation for function get_size_file
"""
mime = MimeTypes()
mime_type = mime.guess_type(str(self.path.file))
return mime_type[0]
get_type_file.short_description = _('Type')
def __str__(self):
return self.title
class Meta:
db_table = 'app_files_photo'
get_latest_by = 'pub_date'
ordering = ["-pub_date"]
verbose_name = _("Photo")
verbose_name_plural = _("Photos")
.................
*shell Ipython*
-----------------
*In [25]: p = Photo(title='1', path='')*
*In [26]: p.id*
*In [27]: p.clean*
*p.clean p.clean_fields *
*In [27]: p.full_clean()*
*---------------------------------------------------------------------------*
*ValidationError Traceback (most recent call
last)*
*<ipython-input-27-d11f1507e99a> in <module>()*
*----> 1 p.full_clean()*
*/home/wlysenko/.virtualenvs/virtual_brat/lib/python3.4/site-packages/django/db/models/base.py
in full_clean(self, exclude, validate_unique)*
* 1134 *
* 1135 if errors:*
*-> 1136 raise ValidationError(errors)*
* 1137 *
* 1138 def clean_fields(self, exclude=None):*
*ValidationError: {'path': ['This field cannot be blank.']}*
*In [28]: p.save()*
*In [29]: p.id*
*Out[29]: 12*
*In [30]: *
----------------------------
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