def post(self, request):
"""
Create a new asset
"""
tags = request.DATA.get('tags', '')
optimize = request.DATA.get('optimize', False)
asset = request.DATA.get('asset')
friendly_name = request.DATA.get('friendly-name')
url_path = request.DATA.get('url-path', '').strip('/')
try:
url_path = create_asset(file_data=b64decode(asset),
friendly_name=friendly_name,
tags=tags,
url_path=url_path,
optimize=optimize)
except IOError as create_error:
if create_error.errno == errno.EEXIST:
return error_response(create_error)
else:
raise create_error
except SwiftClientException as swift_error:
return error_response(swift_error, url_path)
# Return the list of data for the created files
return Response(settings.DATA_MANAGER.fetch_one(url_path), 201)
def get(self, request, file_path):
"""
Get a single asset, 404ing if we get an OSError.
"""
try:
asset_data = settings.FILE_MANAGER.fetch(file_path)
asset_headers = settings.FILE_MANAGER.headers(file_path)
except SwiftClientException as error:
return error_response(error, file_path)
time_format = '%a, %d %b %Y %H:%M:%S %Z'
def make_datetime(x):
return datetime.strptime(x, time_format)
last_modified = asset_headers['last-modified']
if_modified_since = request.META.get(
'HTTP_IF_MODIFIED_SINCE',
'Mon, 1 Jan 1980 00:00:00 GMT'
)
if make_datetime(last_modified) <= make_datetime(if_modified_since):
return HttpResponseNotModified()
# Run image processor
try:
image = ImageProcessor(
asset_data,
request.GET
)
converted_type = image.process()
asset_data = image.data
except (PilboxError, ValueError) as error:
return error_response(error, file_path)
# Get a sensible filename, including a converted extension
filename = remove_filename_hash(file_path)
if converted_type:
filename = '{0}.{1}'.format(filename, converted_type)
# Start response, guessing mime type
response = HttpResponse(
asset_data,
content_type=get_mimetype(filename)
)
# Set download filename
response['Content-Disposition'] = "filename={}".format(filename)
# Cache all genuine assets forever
response['Cache-Control'] = 'max-age=31556926'
response['Last-Modified'] = last_modified
# Return asset
return set_headers_for_type(response)
def delete(self, request, file_path):
"""
Delete a single named asset, 204 if successful
"""
try:
settings.DATA_MANAGER.delete(file_path)
settings.FILE_MANAGER.delete(file_path)
return Response({"message": "Deleted {0}".format(file_path)})
except SwiftClientException as err:
return error_response(err, file_path)
def get(self, request, file_path):
"""
Get data for an asset by path
"""
if settings.DATA_MANAGER.exists(file_path):
response = Response(settings.DATA_MANAGER.fetch_one(file_path),
headers={'Cache-Control': 'no-cache'})
else:
asset_error = file_error(
error_number=errno.ENOENT,
message="No JSON data found for file {0}".format(file_path),
filename=file_path)
response = error_response(asset_error)
return response
