def show(self, req, id):
"""
Returns an iterator that can be used to retrieve an image's
data along with the image metadata.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPNotFound if image is not available to user
"""
self._enforce(req, 'get_image')
self._enforce(req, 'download_image')
image_meta = self.get_active_image_meta_or_404(req, id)
if image_meta.get('size') == 0:
image_iterator = iter([])
else:
image_iterator, size = self._get_from_store(req.context,
image_meta['location'])
image_iterator = utils.cooperative_iter(image_iterator)
image_meta['size'] = size or image_meta['size']
del image_meta['location']
return {
'image_iterator': image_iterator,
'image_meta': image_meta,
}
def show(self, req, id):
"""
Returns an iterator that can be used to retrieve an image's
data along with the image metadata.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPNotFound if image is not available to user
"""
self._enforce(req, "get_image")
self._enforce(req, "download_image")
image_meta = self.get_active_image_meta_or_404(req, id)
self._enforce_read_protected_props(image_meta, req)
if image_meta.get("size") == 0:
image_iterator = iter([])
else:
image_iterator, size = self._get_from_store(req.context, image_meta["location"])
image_iterator = utils.cooperative_iter(image_iterator)
image_meta["size"] = size or image_meta["size"]
image_meta = redact_loc(image_meta)
return {"image_iterator": image_iterator, "image_meta": image_meta}
def show(self, req, id):
"""
Returns an iterator that can be used to retrieve an image's
data along with the image metadata.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPNotFound if image is not available to user
"""
self._enforce(req, 'get_image')
self._enforce(req, 'download_image')
image_meta = self.get_active_image_meta_or_404(req, id)
self._enforce_read_protected_props(image_meta, req)
if image_meta.get('size') == 0:
image_iterator = iter([])
else:
image_iterator, size = self._get_from_store(req.context,
image_meta['location'])
image_iterator = utils.cooperative_iter(image_iterator)
image_meta['size'] = size or image_meta['size']
image_meta = redact_loc(image_meta)
return {
'image_iterator': image_iterator,
'image_meta': image_meta,
}
def show(self, req, id):
"""
Returns an iterator that can be used to retrieve an image's
data along with the image metadata.
:param req: The WSGI/Webob Request object
:param id: The opaque image identifier
:raises HTTPNotFound if image is not available to user
"""
self._enforce(req, "get_image")
try:
image_meta = self.get_active_image_meta_or_404(req, id)
except HTTPNotFound:
# provision for backward-compatibility breaking issue
# catch the 404 exception and raise it after enforcing
# the policy
with excutils.save_and_reraise_exception():
self._enforce(req, "download_image")
else:
target = utils.create_mashup_dict(image_meta)
self._enforce(req, "download_image", target=target)
self._enforce_read_protected_props(image_meta, req)
if image_meta.get("size") == 0:
image_iterator = iter([])
else:
image_iterator, size = self._get_from_store(req.context, image_meta["location"])
image_iterator = utils.cooperative_iter(image_iterator)
image_meta["size"] = size or image_meta["size"]
image_meta = redact_loc(image_meta)
return {"image_iterator": image_iterator, "image_meta": image_meta}
