Django/PIL:AttributeError:“Image”对象没有属性“read”

Question

我正在测试示例代码validate image field（Django custom validation in model form for imagefield (max file size etc.)）：

在模型.py在

from django.db import models
from filer.fields.image import FilerImageField

class Event(models.Model):

   # (...)
    banner = FilerImageField(verbose_name='Banner')

在管理员py在

^{pr2}$

注册django映像时出错。版本：枕头==4.3.0，Python==3.6

Traceback (most recent call last):
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\PIL\Image.py", line 2534, in open
    fp.seek(0)
AttributeError: 'Image' object has no attribute 'seek'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\core\handlers\exception.py", line 41, in inner
    response = get_response(request)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\core\handlers\base.py", line 187, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\core\handlers\base.py", line 185, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\contrib\admin\options.py", line 551, in wrapper
    return self.admin_site.admin_view(view)(*args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\utils\decorators.py", line 149, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\views\decorators\cache.py", line 57, in _wrapped_view_func
    response = view_func(request, *args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\contrib\admin\sites.py", line 224, in inner
    return view(request, *args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\contrib\admin\options.py", line 1508, in add_view
    return self.changeform_view(request, None, form_url, extra_context)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\utils\decorators.py", line 67, in _wrapper
    return bound_func(*args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\utils\decorators.py", line 149, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\utils\decorators.py", line 63, in bound_func
    return func.__get__(self, type(self))(*args2, **kwargs2)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\contrib\admin\options.py", line 1408, in changeform_view
    return self._changeform_view(request, object_id, form_url, extra_context)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\contrib\admin\options.py", line 1440, in _changeform_view
    if form.is_valid():
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\forms\forms.py", line 183, in is_valid
    return self.is_bound and not self.errors
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\forms\forms.py", line 175, in errors
    self.full_clean()
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\forms\forms.py", line 384, in full_clean
    self._clean_fields()
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\django\forms\forms.py", line 405, in _clean_fields
    value = getattr(self, 'clean_%s' % name)()
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\integrafundaj\events\admin.py", line 19, in clean_banner
    img = Image.open(image)
  File "C:\Users\Lidy Monteiro\Developer\integra-fundaj\.myvenv\lib\site-packages\PIL\Image.py", line 2536, in open
    fp = io.BytesIO(fp.read())
AttributeError: 'Image' object has no attribute 'read'

我尝试在函数clean\u banne中使用img = Image.open(image, mode='r')，但它不起作用。如何解决？问题出在python版本中？在

Answer 1

根据Pillow documentation，python3.6还不受支持。请尝试其他版本的python。在