def get(self):
"""get attachment by key"""
if self.request.get("key", None):
attachment = Attachment.get(self.request.get("key"))
if attachment:
self.response.headers['Content-Type'] = attachment.content_type
self.response.set_status(200)
else:
self.error(404)
else:
self.response.out.write("Paperclip storage engine")
def api_delete_attachment(attachment_id):
u'删除附件API'
check_admin()
attachment = Attachment.get(attachment_id)
if attachment is None:
raise APIResourceNotFoundError('Attachment')
# 删除本地文件
local_path = get_local_file_path(attachment.local_name)
if os.path.exists(local_path):
os.remove(local_path)
# 删除数据库记录
attachment.delete()
return dict(id=attachment_id)
def attachment(attachment_id):
u'下载附件'
attachment = Attachment.get(attachment_id)
if attachment is None:
raise notfound()
local_path = get_local_file_path(attachment.local_name)
if not os.path.exists(local_path):
raise notfound()
if not os.path.isfile(local_path):
raise notfound()
file_name_encode = quote(attachment.file_name.encode('utf-8'))
ctx.response.set_header('Content-Length', os.path.getsize(local_path))
ctx.response.set_header('Content-Type', attachment.file_type)
ctx.response.set_header(
'Content-Disposition',
'attachment;filename="%s";filename*=UTF-8\'\'%s' %
(file_name_encode, file_name_encode))
return static_file_generator(local_path)
def get(self, key): a = Attachment.get(key) self.send_blob(a.content, content_type=a.content_type)