'FieldFile' object has no attribute 'content_type'

[tylerecouture]

I'm getting this error when trying to use a SafeFileField

Any idea what the problem might be?

Here's the field declaration:

custom_stylesheet = SafeFileField(null=True, blank=True, upload_to=user_directory_path, allowed_extensions=('css',))

Here's the error:

Request Method: POST
http://127.0.0.1:8000/profiles/1/edit/
1.11.6
AttributeError
'FieldFile' object has no attribute 'content_type'
.../python3.4/site-packages/safe_filefield/validators.py in call, line 66

Stack trace ends with:

.../python3.4/site-packages/safe_filefield/validators.py in __call__
 66.                   ext in mimetypes.guess_all_extensions(file.content_type)

Local Vars

Variable	Value
__	'custom'
detected_content_type	'text/plain'
ext	'.css'
file	<FieldFile: custom.css>
self	<safe_filefield.validators.FileContentTypeValidator object at 0x7f3d09c05630>

[mixkorshun]

I don't have any idea what it can be.

Can you provide code of form and view classes which reproduce the error?

[trixden]

I have that error in Django 1.11.7.

avatar = SafeFileField(upload_to=get_file_path, blank=True, null=True, verbose_name='Аватар',
        allowed_extensions=('jpg', 'jpeg', 'png', 'gif'))

I take this error in Django admin interface

[trixden]

Error is hided, when i set check_content_type=False

[dpenztech]

I see that nsurbay fixed this issue in a commit on May 25, 2018. I found the problem still exists in the version in pypi, came here to research, replaced validators.py with the one from this site, and the error is gone. Thanks for the fix nsurbay! mixkorshun, can you see that pypi gets updated?

[nathando]

But there is also no new release after that fix ?

[oguzhancelikarslan]

Error is hided, when i set check_content_type=False

you don't want to do that. if you set check_content_type=False you almost remove the most important security layer in this app. You should not depend on only file extension validation.