X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/73b6a1639ba8f9f5fc7615c136364fdba73e5bb2..6f243b8bce43513bfbde89071868c688beb8bc9a:/src/api/emitters.py?ds=sidebyside diff --git a/src/api/emitters.py b/src/api/emitters.py index 531ae19bb..50a2d4101 100644 --- a/src/api/emitters.py +++ b/src/api/emitters.py @@ -4,71 +4,8 @@ # """ Wrappers for piston Emitter classes. - -When outputting a queryset of selected models, instead of returning -XML or JSON stanzas, SSI include statements are returned. - """ -from django.conf import settings -from django.core.urlresolvers import reverse -from django.db.models.query import QuerySet -from piston.emitters import Emitter, XMLEmitter, JSONEmitter -from catalogue.models import Book, Fragment, Tag -from django.utils.translation import get_language - - -class SsiQS(object): - """A wrapper for QuerySet that won't serialize.""" - - def __init__(self, queryset): - self.queryset = queryset - - def __unicode__(self): - raise TypeError("This is not serializable.") - - def get_ssis(self, emitter_format): - """Yields SSI include statements for the queryset.""" - url_pattern = reverse( - 'api_include', - kwargs={ - 'model': self.queryset.model.__name__.lower(), - 'pk': '0000', - 'emitter_format': emitter_format, - 'lang': get_language(), - }) - for instance in self.queryset: - yield "" % url_pattern.replace('0000', str(instance.pk)) - - -class SsiEmitterMixin(object): - def construct(self): - ssify_api = getattr(settings, 'SSIFY_API', True) - if ssify_api and isinstance(self.data, QuerySet) and self.data.model in (Book, Fragment, Tag): - return SsiQS(self.data) - else: - return super(SsiEmitterMixin, self).construct() - - -class SsiJsonEmitter(SsiEmitterMixin, JSONEmitter): - def render(self, request): - try: - return super(SsiJsonEmitter, self).render(request) - except TypeError: - return '[%s]' % ",".join(self.construct().get_ssis('json')) - -Emitter.register('json', SsiJsonEmitter, 'application/json; charset=utf-8') - - -class SsiXmlEmitter(SsiEmitterMixin, XMLEmitter): - def render(self, request): - try: - return super(SsiXmlEmitter, self).render(request) - except TypeError: - return '\n' \ - '%s' % \ - ''.join(self.construct().get_ssis('xml')) - -Emitter.register('xml', SsiXmlEmitter, 'text/xml; charset=utf-8') +from piston.emitters import Emitter # hack