def object_data_format(self, request, resource_name, primary_key, format='html', *args, **kwargs):
"""
Object data
"""
log.debug('object_data_format()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{ 'error_msg': error_msg },
context_instance=RequestContext(request))
if format == 'html':
try:
object = resource.object_by_pk(primary_key)
except:
error_msg = "Sorry, but Fulcrum can't find an object with a primary key of <span class='loud'>{0}</span>.".format(primary_key)
return render_to_response('fulcrum/404_fulcrum.html',
{ 'error_msg': error_msg },
context_instance=RequestContext(request))
return render_to_response('fulcrum/object_detail.html',
{ 'object': object },
context_instance=RequestContext(request))
else:
return resource.handle(request, pk=primary_key, emitter_format=format)
def resource_data_format(self,
request,
resource_name,
format='html',
*args,
**kwargs):
"""
Resource data
"""
log.debug('resource_data_format(): %s' % format)
for k, v in request.GET.items():
kwargs[str(k)] = str(v)
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(
resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{'error_msg': error_msg},
context_instance=RequestContext(request))
return resource.handle(request, emitter_format=format, *args, **kwargs)
def resource_api(self, request, resource_name, *args, **kwargs):
"""
Resource API handler
"""
log.debug('resource_api()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(
resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{'error_msg': error_msg},
context_instance=RequestContext(request))
protocol = request.META['SERVER_PROTOCOL'].split('/')[0].lower()
host = request.META['HTTP_HOST']
path_info = request.META['PATH_INFO'].lstrip('/').rstrip('/api')
example_uri = '%s://%s/%s' % (protocol, host, path_info)
return render_to_response('fulcrum/resource_api.html', {
'resource': resource,
'handler': resource.handler,
'example_uri': example_uri
},
context_instance=RequestContext(request))
def data_schema(self):
log.debug('data_schema')
return {
'description':
BaseArbitraryHandler.__doc__,
'handler':
BaseArbitraryHandler.__name__,
'params':
'You must override data_schema method to provide necessary parameters.',
'return_value':
'You must override data_schema method to provide expected return value.'
}
def index(self, request):
"""
Renders index page view for fulcrum. Lists all registered resources.
"""
log.debug('index()')
r_list = [{'group': resource.group, 'resource': resource } for resource in self.registry.values()]
return render_to_response('fulcrum/homepage.html',
{ 'resource_list': r_list },
context_instance=RequestContext(request))
def index(self, request):
"""
Renders index page view for fulcrum. Lists all registered resources.
"""
log.debug('index()')
r_list = [{
'group': resource.group,
'resource': resource
} for resource in self.registry.values()]
return render_to_response('fulcrum/homepage.html',
{'resource_list': r_list},
context_instance=RequestContext(request))
def resource_schema(self, request, resource_name, format, *args, **kwargs):
"""
Resource schema handler
"""
log.debug('resource_schema()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{ 'error_msg': error_msg },
context_instance=RequestContext(request))
#raise http.Http404("This resource has not been registered with fulcrum.")
return resource.get_schema_view(format)
def resource_schema(self, request, resource_name, format, *args, **kwargs):
"""
Resource schema handler
"""
log.debug('resource_schema()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(
resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{'error_msg': error_msg},
context_instance=RequestContext(request))
#raise http.Http404("This resource has not been registered with fulcrum.")
return resource.get_schema_view(format)
def resource_data_format(self, request, resource_name, format='html', *args, **kwargs):
"""
Resource data
"""
log.debug('resource_data_format(): %s' % format)
for k, v in request.GET.items():
kwargs[str(k)] = str(v)
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{ 'error_msg': error_msg },
context_instance=RequestContext(request))
return resource.handle(request, emitter_format=format, *args, **kwargs)
def object_data_format(self,
request,
resource_name,
primary_key,
format='html',
*args,
**kwargs):
"""
Object data
"""
log.debug('object_data_format()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(
resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{'error_msg': error_msg},
context_instance=RequestContext(request))
if format == 'html':
try:
object = resource.object_by_pk(primary_key)
except:
error_msg = "Sorry, but Fulcrum can't find an object with a primary key of <span class='loud'>{0}</span>.".format(
primary_key)
return render_to_response(
'fulcrum/404_fulcrum.html', {'error_msg': error_msg},
context_instance=RequestContext(request))
return render_to_response('fulcrum/object_detail.html',
{'object': object},
context_instance=RequestContext(request))
else:
return resource.handle(request,
pk=primary_key,
emitter_format=format)
def resource_api(self, request, resource_name, *args, **kwargs):
"""
Resource API handler
"""
log.debug('resource_api()')
try:
resource = self.registry[resource_name]
except KeyError:
error_msg = "Sorry, but no resource with the name <span class='loud'>{0}</span> has been registered with Fulcrum.".format(resource_name)
return render_to_response('fulcrum/404_fulcrum.html',
{ 'error_msg': error_msg },
context_instance=RequestContext(request))
protocol = request.META['SERVER_PROTOCOL'].split('/')[0].lower()
host = request.META['HTTP_HOST']
path_info = request.META['PATH_INFO'].lstrip('/').rstrip('/api')
example_uri = '%s://%s/%s' % (protocol, host, path_info)
return render_to_response('fulcrum/resource_api.html',
{ 'resource': resource, 'handler': resource.handler, 'example_uri': example_uri },
context_instance=RequestContext(request))
def create(self, request, *args, **kwargs):
"""
Default create implementation. Will only validate if all required fields are supplied.
Related object fields require a primary_key to an object or list of objects that already
exist in the database.
"""
log.debug('create()')
if not self.has_model():
return rc.NOT_IMPLEMENTED
attrs = self.flatten_dict(request.POST)
for k in attrs.keys():
if len(attrs[k]) == 1:
attrs[k] = attrs[k][0]
m2mobjs = {}
for f in self.model._meta.local_fields + self.model._meta.many_to_many:
required = f.blank == False
if required and f.name in attrs:
if type(f) == ForeignKey:
try:
obj = f.rel.to.objects.get(pk=attrs[f.name])
attrs[f.name] = obj
except ObjectDoesNotExist, e:
error_msg = 'ObjectDoesNotExist: %s' % e
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
elif type(f) == ManyToManyField:
try:
m2mobjs[f.name] = f.rel.to.objects.filter(
pk__in=attrs[f.name])
if len(m2mobjs[f.name]) != len(attrs[f.name]):
error_msg = 'ObjectDoesNotExist: A ManyToMany primary_key value failed to return an object.'
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
del attrs[
f.
name] # passing this into model(**attrs) throws an error
except ObjectDoesNotExist, e:
error_msg = 'ObjectDoesNotExist: %s' % e
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
def create(self, request, *args, **kwargs):
"""
Default create implementation. Will only validate if all required fields are supplied.
Related object fields require a primary_key to an object or list of objects that already
exist in the database.
"""
log.debug('create()')
if not self.has_model():
return rc.NOT_IMPLEMENTED
attrs = self.flatten_dict(request.POST)
for k in attrs.keys():
if len(attrs[k]) == 1:
attrs[k] = attrs[k][0]
m2mobjs = {}
for f in self.model._meta.local_fields + self.model._meta.many_to_many:
required = f.blank == False
if required and f.name in attrs:
if type(f) == ForeignKey:
try:
obj = f.rel.to.objects.get(pk=attrs[f.name])
attrs[f.name] = obj
except ObjectDoesNotExist, e:
error_msg = 'ObjectDoesNotExist: %s' % e
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
elif type(f) == ManyToManyField:
try:
m2mobjs[f.name] = f.rel.to.objects.filter(pk__in=attrs[f.name])
if len(m2mobjs[f.name]) != len(attrs[f.name]):
error_msg = 'ObjectDoesNotExist: A ManyToMany primary_key value failed to return an object.'
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
del attrs[f.name] # passing this into model(**attrs) throws an error
except ObjectDoesNotExist, e:
error_msg = 'ObjectDoesNotExist: %s' % e
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
def data_schema(self):
log.debug('data_schema')
return { 'description': BaseArbitraryHandler.__doc__,
'handler': BaseArbitraryHandler.__name__,
'params': 'You must override data_schema method to provide necessary parameters.',
'return_value': 'You must override data_schema method to provide expected return value.' }
def data_html(self):
log.debug('data_html')
return 'You must implement a data_html method in your custom handler'
error_msg = 'Required field %s not found.' % f.name
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
try:
inst = self.model.objects.get(**attrs)
return rc.DUPLICATE_ENTRY
except self.model.DoesNotExist:
# instantiate model and validate
inst = self.model(**attrs)
try:
inst.full_clean()
except ValidationError, e:
error_msg = str(e)
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
inst.save()
# add M2M related field objs
if len(m2mobjs):
for k, v in m2mobjs.items():
#log.debug('k:v = {0}:{1}'.format(k, v))
f = getattr(inst, k)
for val in v:
try:
f.add(val)
inst.save()
except:
error_msg = 'Error adding %s to %s %s field' % (val, inst, f)
log.debug(error_msg)
error_msg = 'Required field %s not found.' % f.name
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
try:
inst = self.model.objects.get(**attrs)
return rc.DUPLICATE_ENTRY
except self.model.DoesNotExist:
# instantiate model and validate
inst = self.model(**attrs)
try:
inst.full_clean()
except ValidationError, e:
error_msg = str(e)
log.debug(error_msg)
return HttpResponseBadRequest(error_msg)
inst.save()
# add M2M related field objs
if len(m2mobjs):
for k, v in m2mobjs.items():
#log.debug('k:v = {0}:{1}'.format(k, v))
f = getattr(inst, k)
for val in v:
try:
f.add(val)
inst.save()
except:
error_msg = 'Error adding %s to %s %s field' % (
val, inst, f)
def data_html(self):
log.debug('data_html')
return 'You must implement a data_html method in your custom handler'
