jonashaag

diff --git a/django/contrib/admin/widgets.py b/django/contrib/admin/widgets.py
index 2103788..14b46f1 100644
--- a/django/contrib/admin/widgets.py
+++ b/django/contrib/admin/widgets.py
@@ -255,7 +255,6 @@ class RelatedFieldWidgetWrapper(forms.Widget):
                  can_change_related=False, can_delete_related=False):
         self.needs_multipart_form = widget.needs_multipart_form
         self.attrs = widget.attrs
-        self.choices = widget.choices
         self.widget = widget

jonashaag

         6855871 function calls (6855838 primitive calls) in 12.051 seconds

   Ordered by: internal time

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
   346704    1.364    0.000    1.364    0.000 {method 'astype' of 'numpy.generic' objects}
       12    1.049    0.087    1.864    0.155 encoder.py:204(iterencode)
        2    1.031    0.516    1.031    0.516 decoder.py:345(raw_decode)
    35488    0.542    0.000    3.842    0.000 properties.py:809(properties_with_values)
   115516    0.509    0.000    0.509    0.000 {built-in method numpy.core.multiarray.array}

jonashaag

# See: https://stackoverflow.com/questions/27720254/django-allowed-hosts-with-elb-healthcheck

def get_ELB_hostname():
    import urllib.request
    import urllib.error
    try:
        fileobj = urllib.request.urlopen('http://169.254.169.254/latest/meta-data/local-ipv4', timeout=0.1)
        return fileobj.read().decode('ascii')
    except urllib.error.URLError:
        return None

jonashaag

from django.conf import settings
from django.urls import is_valid_path
from django.middleware.common import CommonMiddleware


class RemoveSlashCommonMiddleware(CommonMiddleware):
    """REMOVE_SLASH works like APPEND_SLASH, but reversed."""
    def process_request(self, request):
        # Check if a slash should be removed
        if self.should_redirect_with_no_slash(request):

jonashaag

from django.conf import settings

try:
    from django.utils.deprecation import MiddlewareMixin
except ImportError:

    class MiddlewareMixin(object):
        """
        If this middleware doesn't exist, this is an older version of django
        and we don't need it.

jonashaag

from django.core.mail.message import make_msgid


class FastMailBackendMixin:
    """Work around slow development email backend due to slow socket.getfqdn() call.

    This simply uses "example.com" instead of your local machine's hostname.
    """
    def send_messages(self, messages):
        for message in messages:

jonashaag

  $('img[data-original]')
    .lazyload()
    .each(function (_, e) {
      // Empty placeholder image so that page does not "jump" while real images are being loaded
      e = $(e)
      if (!e.loaded) {
        const w = e.attr('data-width')
        const h = e.attr('data-height')
        if (w && h) {
          e.attr('src', `data:image/svg+xml;charset=utf-8,%3Csvg width%3D'${w}' height%3D'${h}' xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' %2F%3E`)

jonashaag

class CustomManagerMixin:
    """Hack to override the manager used by the admin interface.

    Set ``model_manager`` in subclasses to specify a custom manager.
    """

    def get_queryset(self, *args, **kwargs):
        default_manager = self.model._meta.default_manager
        try:
            self.model._meta.default_manager = self.model_manager

jonashaag

class suppress_exceptions_in_production:
    """Allow exceptions in production; propagate exceptions during development.

    Usage:

        with suppress_exceptions_in_production() as result:
            ...

    Exceptions that happen in the ... block are suppressed but logged using the
    ``logger`` given (or a default logger if none is given). Exceptions are

jonashaag

import django.contrib.auth
import django.core.exceptions
from django import forms
from django.utils.translation import ugettext_lazy as _


class RequiresPasswordMixin(forms.Form):
    error_messages = {
        'password_incorrect': _("Your old password was entered incorrectly. Please enter it again."),
    }