bohde

from tastypie.authorization import Authorization
from tastypie.resources import ModelResource

class PerUserAuthorization(Authorization):
    """
    Restricts creates, updates, and deletes to the current user
    """
    def __init__(self, attr):
        self.attr = attr

bohde

from django.conf import settings

class AbsoluteImageResource(ModelResource):
    def dehydrate_image(self, bundle):
        return ''.join([settings.STATIC_URL, bundle.data['image']])

bohde

 curl -H 'Accept: application/json' 'http://localhost:8000/api/v1/types/1/' | curl -H 'Content-Type: application/json' -X POST --data @- "http://localhost:8000/api/v1/types/"

bohde

from django.db.models.sql.constants import LOOKUP_SEP
from tastypie.fields import ToOneField
class NestedToOneField(ToOneField):
  def dehydrate(self, bundle):
        try:
            foreign_obj = reduce(lambda obj, attr: getattr(obj, attr), self.attribute.split(LOOKUP_SEP), bundle.obj)
        except ObjectDoesNotExist:
            foreign_obj = None

        if not foreign_obj:

bohde

from itertools import takewhile

def combinator_style(xs):
    return Combinators(xs).chain().R(
        takewhile, lambda x: x < 7
    ).R(
        filter, lambda x: x < 2
    ).R(
        map, lambda x: 4 * x
    ).value()

bohde

from tastypie.fields import ToMany

class HrefToMany(ToMany):
    """Like a normal ToMany, except dehyrates to a link to a filtered collection"""

    def uri_template(self):
        if not hasattr(self, '_uri_template'):
            self._uri_template = self.make_uri_template()
        return self._uri_template

bohde

# Let's examine a simple imperative script
def imperative(xs):
    results = []
    for x in xs:
        if x > 7: 
            break
        if x < 2:
            result = 4 * x
            results.append(result)

bohde

from tastypie.fields import ListField

class TaggedResource(ModelResource):
    tags = ListField()
    
    class Meta:
        queryset = Model.objects.all()

    def build_filters(self, filters=None):
        if filters is None:

bohde

from django import template
from django.conf import settings
import pystache

register = template.Library()

class MustacheNode(template.Node):
    def __init__(self, template_path, attr=None):
        self.filepath = '%s/%s' % (settings.TEMPLATE_DIRS[0], template_path)
        self.attr = attr

bohde

class PackageResource(ModelResource):
    # Stuff already there

    def obj_get(self, request=None, **kwargs):
        kwargs.pop("available_options")
        return super(PackageResource, self).obj_get(request=request, **kwargs)