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authorTom Christie2012-08-29 19:54:38 +0100
committerTom Christie2012-08-29 19:54:38 +0100
commiteea2aa04378d27d79e7aba12ce95c697148bd57e (patch)
tree4ae3c67246c45df2b90e32376a067107fda486b2 /examples/objectstore/views.py
parentecd3733c5e229505baca5a870963f2dd492d6dd7 (diff)
downloaddjango-rest-framework-eea2aa04378d27d79e7aba12ce95c697148bd57e.tar.bz2
Remove examples (to be moved to a seperate project)
Diffstat (limited to 'examples/objectstore/views.py')
-rw-r--r--examples/objectstore/views.py109
1 files changed, 0 insertions, 109 deletions
diff --git a/examples/objectstore/views.py b/examples/objectstore/views.py
deleted file mode 100644
index a8889cd8..00000000
--- a/examples/objectstore/views.py
+++ /dev/null
@@ -1,109 +0,0 @@
-from django.conf import settings
-
-from djangorestframework.reverse import reverse
-from djangorestframework.views import View
-from djangorestframework.response import Response
-from djangorestframework import status
-
-import pickle
-import os
-import uuid
-import operator
-
-OBJECT_STORE_DIR = os.path.join(settings.MEDIA_ROOT, 'objectstore')
-MAX_FILES = 10
-
-if not os.path.exists(OBJECT_STORE_DIR):
- os.makedirs(OBJECT_STORE_DIR)
-
-
-def remove_oldest_files(dir, max_files):
- """
- Remove the oldest files in a directory 'dir', leaving at most 'max_files' remaining.
- We use this to limit the number of resources in the sandbox.
- """
- filepaths = [os.path.join(dir, file) for file in os.listdir(dir) if not file.startswith('.')]
- ctime_sorted_paths = [item[0] for item in sorted([(path, os.path.getctime(path)) for path in filepaths],
- key=operator.itemgetter(1), reverse=True)]
- [os.remove(path) for path in ctime_sorted_paths[max_files:]]
-
-
-def get_filename(key):
- """
- Given a stored object's key returns the file's path.
- """
- return os.path.join(OBJECT_STORE_DIR, key)
-
-
-def get_file_url(key, request):
- """
- Given a stored object's key returns the URL for the object.
- """
- return reverse('stored-object', kwargs={'key': key}, request=request)
-
-
-class ObjectStoreRoot(View):
- """
- Root of the Object Store API.
- Allows the client to get a complete list of all the stored objects, or to create a new stored object.
- """
-
- def get(self, request):
- """
- Return a list of all the stored object URLs. (Ordered by creation time, newest first)
- """
- filepaths = [os.path.join(OBJECT_STORE_DIR, file)
- for file in os.listdir(OBJECT_STORE_DIR)
- if not file.startswith('.')]
- ctime_sorted_basenames = [item[0] for item in sorted([(os.path.basename(path), os.path.getctime(path)) for path in filepaths],
- key=operator.itemgetter(1), reverse=True)]
- content = [get_file_url(key, request)
- for key in ctime_sorted_basenames]
- return Response(content)
-
- def post(self, request):
- """
- Create a new stored object, with a unique key.
- """
- key = str(uuid.uuid1())
- filename = get_filename(key)
- pickle.dump(self.CONTENT, open(filename, 'wb'))
-
- remove_oldest_files(OBJECT_STORE_DIR, MAX_FILES)
- url = get_file_url(key, request)
- return Response(self.CONTENT, status.HTTP_201_CREATED, {'Location': url})
-
-
-class StoredObject(View):
- """
- Represents a stored object.
- The object may be any picklable content.
- """
- def get(self, request, key):
- """
- Return a stored object, by unpickling the contents of a locally
- stored file.
- """
- filename = get_filename(key)
- if not os.path.exists(filename):
- return Response(status=status.HTTP_404_NOT_FOUND)
- return Response(pickle.load(open(filename, 'rb')))
-
- def put(self, request, key):
- """
- Update/create a stored object, by pickling the request content to a
- locally stored file.
- """
- filename = get_filename(key)
- pickle.dump(self.CONTENT, open(filename, 'wb'))
- return Response(self.CONTENT)
-
- def delete(self, request, key):
- """
- Delete a stored object, by removing it's pickled file.
- """
- filename = get_filename(key)
- if not os.path.exists(filename):
- return Response(status=status.HTTP_404_NOT_FOUND)
- os.remove(filename)
- return Response()