def _BlobKey(cls, blob_key):
"""Normalize to instance of BlobKey."""
if not isinstance(blob_key, blobstore.BlobKey):
return blobstore.BlobKey(unicode(blob_key))
return blob_key
def _BlobKey(cls, blob_key):
"""Normalize to instance of BlobKey.
Args:
blob_key: A blob key of a blob to store.
Returns:
A normalized blob key of class BlobKey.
"""
if not isinstance(blob_key, blobstore.BlobKey):
return blobstore.BlobKey(unicode(blob_key))
return blob_key
def save_image(cls, photo, user_key=None):
img_title = photo.filename
img_content = photo.file.read()
img_type = photo.type
cloud_storage_path = '/gs/fooddonation/%s/%s' % (user_key.id(),
img_title)
blobstore_key = blobstore.create_gs_key(cloud_storage_path)
print blobstore_key
cloud_storage_file = cloudstorage_api.open(
filename=cloud_storage_path[3:], mode='w', content_type=img_type)
cloud_storage_file.write(img_content)
cloud_storage_file.close()
blobstore_key = blobstore.BlobKey(blobstore_key)
serving_url = images.get_serving_url(blobstore_key)
print serving_url
return {'serving_url': serving_url, 'blobstore_key': blobstore_key}
def save_image(cls, photo, user_key):
img_title = photo.filename
img_content = photo.file.read()
img_type = photo.type
#todd-search-images is a google cloud bucket
cloud_storage_path = '/gs/todd-search-images/%s/%s' % (user_key.id(),
img_title)
blobstore_key = blobstore.create_gs_key(cloud_storage_path)
cloud_storage_file = cloudstorage_api.open(
filename=cloud_storage_path[3:], mode='w', content_type=img_type)
cloud_storage_file.write(img_content)
cloud_storage_file.close()
blobstore_key = blobstore.BlobKey(blobstore_key)
serving_url = images.get_serving_url(blobstore_key)
return {'serving_url': serving_url, 'blobstore_key': blobstore_key}
def create_blob(self):
"""Create a blob in the datastore and on disk.
Returns:
BlobKey of new blob.
"""
contents = 'a blob'
blob_key = blobstore.BlobKey('blob-key-1')
self.blob_storage.StoreBlob(blob_key, cStringIO.StringIO(contents))
entity = datastore.Entity(blobstore.BLOB_INFO_KIND,
name=str(blob_key),
namespace='')
entity['content_type'] = 'image/png'
entity['creation'] = datetime.datetime(1999, 10, 10, 8, 42, 0)
entity['filename'] = 'largeblob.png'
entity['size'] = len(contents)
datastore.Put(entity)
return blob_key
def post(self):
"""POST handler."""
path = self.request.get('path')
# Must use str_POST here to preserve the original encoding of the string.
content = self.request.str_POST.get('content')
blob = self.request.get('blob', None)
try:
file_kwargs, method_kwargs = _GetExtraParams(self.request.POST)
except ValueError:
self.error(400)
return
if blob is not None:
# Convert any string keys to BlobKey instances.
if isinstance(blob, basestring):
blob = blobstore.BlobKey(blob)
meta = self.request.get('meta', None)
if meta:
meta = json.loads(meta)
mime_type = self.request.get('mime_type', None)
try:
files.File(path, **file_kwargs).write(content,
blob=blob,
mime_type=mime_type,
meta=meta,
**method_kwargs)
self.response.set_status(201)
# Headers must be byte-strings, not unicode strings.
# Since this is a URI, follow RFC 3986 and encode it using UTF-8.
location_header = ('/_titan/file/?path=%s' % path).encode('utf-8')
self.response.headers['Location'] = location_header
except files.BadFileError:
self.error(404)
except (TypeError, ValueError):
self.error(400)
_MaybeLogException('Bad request:')
def DeleteBlob(self, blob_key):
"""Deletes blob content."""
try:
del self._blobs[blobstore.BlobKey(unicode(blob_key))]
except KeyError:
pass
def OpenBlob(self, blob_key):
"""Gets the blob contents as a stream."""
return StringIO.StringIO(
self._blobs[blobstore.BlobKey(unicode(blob_key))])
def CreateBlob(self, blob_key, blob): """Stores a blob in a map.""" self._blobs[blobstore.BlobKey(unicode(blob_key))] = blob
def DeleteBlob(self, blob_key):
"""Delete blob content."""
try:
del self._blobs[blobstore.BlobKey(six.text_type(blob_key))]
except KeyError:
pass
def OpenBlob(self, blob_key):
"""Get blob contents as stream."""
return io.StringIO(
self._blobs[blobstore.BlobKey(six.text_type(blob_key))])
def CreateBlob(self, blob_key, blob): """Store blob in map.""" self._blobs[blobstore.BlobKey(six.text_type(blob_key))] = blob
def _BlobKey(cls, blob_key):
"""Normalize to instance of BlobKey."""
if not isinstance(blob_key, blobstore.BlobKey):
return blobstore.BlobKey(six.text_type(blob_key))
return blob_key
