Revision b896d198 userdata/rest.py
| b/userdata/rest.py | ||
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from django.template import RequestContext, loader |
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from django.utils import simplejson as json |
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from django.core import serializers |
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from django.core.urlresolvers import reverse |
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# base view class |
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# https://github.com/bfirsh/django-class-based-views/blob/master/class_based_views/base.py |
| ... | ... | |
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key, |
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)) |
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def instance_to_dict(self, i, exclude_fields=[]): |
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""" |
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Convert model instance to python dict |
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""" |
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d = {}
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for field in i._meta.get_all_field_names(): |
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if field in exclude_fields: |
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continue |
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d[field] = i.__getattribute__(field) |
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return d |
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def qs_to_dict_iter(self, qs, exclude_fields=[]): |
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""" |
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Convert queryset to an iterator of model instances dicts |
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""" |
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for i in qs: |
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yield self.instance_to_dict(i, exclude_fields) |
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def json_response(self, data): |
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return http.HttpResponse(json.dumps(data)) |
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@classmethod |
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def as_view(cls, *initargs, **initkwargs): |
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""" |
| ... | ... | |
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allowed_methods = [m for m in self.method_names if hasattr(self, m)] |
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return http.HttpResponseNotAllowed(allowed_methods) |
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class JSONRestView(View): |
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""" |
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Class that provides helpers to produce a json response |
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""" |
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class ResourceView(View): |
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url_name = None |
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def __init__(self, url_name, *args, **kwargs): |
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self.url_name = url_name |
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return super(JSONRestView, self).__init__(*args, **kwargs) |
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def update_instance(self, i, data): |
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update_keys = data.keys() |
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for field in i._meta.get_all_field_names(): |
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if field in update_keys: |
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i.__setattr__(field, data[field]) |
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return i |
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def instance_to_dict(self, i, exclude_fields=[]): |
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""" |
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Convert model instance to python dict |
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""" |
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d = {}
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d['uri'] = reverse(self.url_name, kwargs={'id': i.pk})
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for field in i._meta.get_all_field_names(): |
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if field in exclude_fields: |
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continue |
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d[field] = i.__getattribute__(field) |
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return d |
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def qs_to_dict_iter(self, qs, exclude_fields=[]): |
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""" |
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Convert queryset to an iterator of model instances dicts |
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""" |
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for i in qs: |
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yield self.instance_to_dict(i, exclude_fields) |
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def json_response(self, data): |
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return http.HttpResponse(json.dumps(data), mimetype="application/json") |
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class ResourceView(JSONRestView): |
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method_names = ['GET', 'POST', 'PUT', 'DELETE'] |
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model = None |
| ... | ... | |
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self.exclude_fields)) |
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def POST(self, request, data, *args, **kwargs): |
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pass |
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instance = self.instance() |
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self.update_instance(instance, data) |
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instance.save() |
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return self.GET(request, data, *args, **kwargs) |
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def DELETE(self, request, data, *args, **kwargs): |
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self.instance().delete() |
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return HttpResponse()
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return self.json_response("")
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class CollectionView(View): |
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method_names = ['GET', 'POST', 'PUT', 'DELETE']
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class CollectionView(JSONRestView):
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method_names = ['GET', 'POST'] |
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model = None |
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exclude_fields = [] |
| ... | ... | |
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return self.json_response(list(self.qs_to_dict_iter(self.queryset(), |
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self.exclude_fields))) |
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def PUT(self, request, data, *args, **kwargs): |
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pass |
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def DELETE(self, request, data, *args, **kwargs): |
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def POST(self, request, data, *args, **kwargs): |
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pass |
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class UserResourceView(ResourceView): |
Also available in: Unified diff