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• django-encrypted-filefield-master
  • CHANGES.rst
  • demo
    • wsgi.py
    • templates
      • demo
        • detail.html
        • index.html
    • models.py
    • views.py
    • urls.py
    • forms.py
    • __init__.py
    • migrations
      • 0001_initial.py
      • __init__.py
    • settings.py
    • admin.py
  • LICENSE
  • manage.py
  • README.rst
  • setup.py
  • requirements.txt
  • .gitignore
  • MANIFEST.in
  • django_encrypted_filefield
    • apps.py
    • fields.py
    • models.py
    • views.py
    • constants.py
    • __init__.py
    • migrations
      • __init__.py
    • tests
      • test_fields.py
      • test_constants.py
      • __init__.py
      • test_crypt.py
      • test_views.py
    • admin.py
    • checks.py
    • crypt.py

from django.core.checks import Error, register
try:
    from django.urls import reverse, NoReverseMatch
except ImportError:  # Django < 2.0 # pragma: no cover
    from django.core.urlresolvers import reverse, NoReverseMatch

from .constants import FETCH_URL_NAME, PASSWORD, SALT


@register()
def constants_check(app_configs, **kwargs):

    check_messages = []

    message = "{} must be defined in your environment for " \
              "django-encrypted-filefield to work."

    if not SALT:
        check_messages.append(Error(message.format("DEFF_SALT")))
    if not PASSWORD:
        check_messages.append(Error(message.format("DEFF_PASSWORD")))

    return check_messages


@register()
def fetch_url_check(app_configs, **kwargs):

    if not FETCH_URL_NAME:
        return []  # We've got bigger problems

    try:
        reverse(FETCH_URL_NAME, kwargs={"path": "anything"})
    except NoReverseMatch:
        return [Error(
            "django-encrypted-filefield requires that you define a url for "
            "the fetching the files."
        )]

    return []