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- class Category(models.Model):
- name = models.CharField(max_length=200, unique=True)
- slug = models.SlugField(blank=True, editable=False)
- image = models.ImageField(upload_to='images', blank=True)
- def __str__(self):
- """
- Field to show in the related models admin site.
- """
- return self.name
- class Meta:
- # order of drop-down list items
- ordering = ('name',)
- # plural form in admin view
- verbose_name_plural = 'categories'
- def save(self, *args, **kwargs):
- """
- Save slug when saving model.
- Slug saved only if not existant, to avoid duplicity of urls.
- """
- if not self.id:
- # new object to create
- self.slug = slugify(self.name)[:50]
- super().save(*args, **kwargs)
- Internal Server Error: /admin/quotes/category/8/change/
- Traceback (most recent call last):
- File "/usr/lib/python3.6/site-packages/django/core/handlers/exception.py", line 39, in inner
- response = get_response(request)
- File "/usr/lib/python3.6/site-packages/django/core/handlers/base.py", line 187, in _get_response
- response = self.process_exception_by_middleware(e, request)
- File "/usr/lib/python3.6/site-packages/django/core/handlers/base.py", line 185, in _get_response
- response = wrapped_callback(request, *callback_args, **callback_kwargs)
- File "/usr/lib/python3.6/site-packages/django/contrib/admin/options.py", line 544, in wrapper
- return self.admin_site.admin_view(view)(*args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/utils/decorators.py", line 149, in _wrapped_view
- response = view_func(request, *args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/views/decorators/cache.py", line 57, in _wrapped_view_func
- response = view_func(request, *args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/contrib/admin/sites.py", line 211, in inner
- return view(request, *args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/contrib/admin/options.py", line 1512, in change_view
- return self.changeform_view(request, object_id, form_url, extra_context)
- File "/usr/lib/python3.6/site-packages/django/utils/decorators.py", line 67, in _wrapper
- return bound_func(*args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/utils/decorators.py", line 149, in _wrapped_view
- response = view_func(request, *args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/utils/decorators.py", line 63, in bound_func
- return func.__get__(self, type(self))(*args2, **kwargs2)
- File "/usr/lib/python3.6/contextlib.py", line 53, in inner
- return func(*args, **kwds)
- File "/usr/lib/python3.6/site-packages/django/contrib/admin/options.py", line 1449, in changeform_view
- self.save_model(request, new_object, form, not add)
- File "/usr/lib/python3.6/site-packages/django/contrib/admin/options.py", line 1007, in save_model
- obj.save()
- File "/home/hakim/project/app/models.py", line 103, in save
- super().save(*args, **kwargs)
- File "/usr/lib/python3.6/site-packages/django/db/models/base.py", line 796, in save
- force_update=force_update, update_fields=update_fields)
- File "/usr/lib/python3.6/site-packages/django/db/models/base.py", line 824, in save_base
- updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
- File "/usr/lib/python3.6/site-packages/django/db/models/base.py", line 886, in _save_table
- for f in non_pks]
- File "/usr/lib/python3.6/site-packages/django/db/models/base.py", line 886, in <listcomp>
- for f in non_pks]
- File "/usr/lib/python3.6/site-packages/django/db/models/fields/files.py", line 292, in pre_save
- file.save(file.name, file, save=False)
- File "/usr/lib/python3.6/site-packages/django/db/models/fields/files.py", line 91, in save
- self.name = self.storage.save(name, content, max_length=self.field.max_length)
- File "/usr/lib/python3.6/site-packages/django/core/files/storage.py", line 53, in save
- name = self.get_available_name(name, max_length=max_length)
- File "/usr/lib/python3.6/site-packages/django/core/files/storage.py", line 77, in get_available_name
- while self.exists(name) or (max_length and len(name) > max_length):
- File "/usr/lib/python3.6/site-packages/django/core/files/storage.py", line 394, in exists
- return os.path.exists(self.path(name))
- File "/usr/lib/python3.6/site-packages/django/core/files/storage.py", line 407, in path
- return safe_join(self.location, name)
- File "/usr/lib/python3.6/site-packages/django/utils/functional.py", line 35, in __get__
- res = instance.__dict__[self.name] = self.func(instance)
- File "/usr/lib/python3.6/site-packages/django/core/files/storage.py", line 283, in location
- return abspathu(self.base_location)
- File "/usr/lib/python3.6/posixpath.py", line 369, in abspath
- path = os.fspath(path)
- TypeError: expected str, bytes or os.PathLike object, not tuple
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