track change time in book user data

[wolnelektury.git] / src / api / emitters.py

diff --git a/src/api/emitters.py b/src/api/emitters.py
index 2f6f7e7..531ae19 100644 (file)
--- a/src/api/emitters.py
+++ b/src/api/emitters.py
@@ -9,6 +9,7 @@ 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
@@ -27,21 +28,22 @@ class SsiQS(object):
 
     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(),
-                    })
+        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 "<!--#include file='%s'-->" % url_pattern.replace('0000',
-                    str(instance.pk))
+            yield "<!--#include file='%s'-->" % url_pattern.replace('0000', str(instance.pk))
 
 
 class SsiEmitterMixin(object):
     def construct(self):
-        if isinstance(self.data, QuerySet) and self.data.model in (Book,
-                Fragment, Tag):
+        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()
@@ -68,3 +70,10 @@ class SsiXmlEmitter(SsiEmitterMixin, XMLEmitter):
 
 Emitter.register('xml', SsiXmlEmitter, 'text/xml; charset=utf-8')
 
+
+# hack
+class EpubEmitter(Emitter):
+    def render(self, request):
+        return self.data
+
+Emitter.register('epub', EpubEmitter, 'application/epub+zip')