Package: thriftrw
This project is no longer active. Seehttps://github.com/thriftrw/thriftrw-python/issues/164.thriftrwthriftrwis a Python library to serialize and deserialize Thrift types.Documentationis available on
Read The Docs.FeaturesNo code generation. The.thriftfiles are parsed and compiled in-memory
at runtime.No assumptions about how bytes are sent or received. The library
concerns itself with serialization and deserialization only.Forward and cyclic references in types.ExampleGiven the.thriftfile,:// blog.thrift

typedef string PostUUID

typedef binary RichText

union Body {
    1: string plainText
    2: RichText richText
}

struct PostDetails {
    1: required string author
    2: required string subject
    3: required Body body
}

exception UnauthorizedRequestError {
}

service BlogService {
    PostUUID newPost(1: PostDetails post)
        throws (1: UnauthorizedRequestError unauthorized);
}You can use the library to send and receive requests and responses like so,# client.pyimportthriftrwblog=thriftrw.load('blog.thrift')BlogService=blog.BlogServicedefnew_post():post=blog.PostDetails(author='...',subject='...',body=blog.Body(plainText='Hello, world!'))request=BlogService.newPost.request(post)payload=blog.dumps(request)# send_to_server is implemented by the user.response_payload=send_to_server(payload)response=blog.loads(BlogService.newPost.response,response_payload)ifresponse.unauthorizedisnotNone:raiseresponse.unauthorizedelse:returnresponse.success# server.pyimportthriftrwblog=thriftrw.load('blog.thrift')BlogService=blog.BlogService# The user's server handler calls handle_new_post with the payload.defhandle_new_post(request_payload):request=blog.loads(BlogService.newPost.request,request_payload)ifrequest.post.author!='admin':response=BlogService.newPost.response(unauthorized=blog.UnauthorizedRequestError())else:# create_post is implemented by the user.post_uuid=create_post(request.post)response=BlogService.newPost.response(success=post_uuid)returnblog.dumps(response)Message EnvelopesNote that this example sends and receives just the request/response payload. It
does not wrap the payload in a message envelope as expected by Apache Thrift.
If you want to send or receive standard Apache Thrift requests to talk to other
Apache Thrift services, you have to use theloads.messageanddumps.messageAPIs. For example,# client.pydefnew_post():post=blog.PostDetails(...)request=BlogService.newPost.request(post)payload=blog.dumps.message(request)# ^ Instead of using blog.dumps, we use blog.dumps.message to indicate# that we want the request wrapped in a message envelope.response_payload=send_to_server(payload)# Similarly, instead of using blog.loads, we use blog.loads.message to# indicate that we want to parse a response stored inside a message.response_message=blog.loads.message(BlogService,response_payload)response=response_message.bodyifresponse.unauthorizedisnotNone:raiseresponse.unauthorizedelse:returnresponse.success# server.pydefhandle_request(request_payload):message=blog.loads.message(BlogService,request_payload)ifmessage.name=='newPost':request=message.body# ...response=BlogService.newPost.response(success=post_uuid)returnblog.dumps.message(response,seqid=message.seqid)# As before, we use blog.dumps.message instead of blog.dumps.# It is important that the server use the same seqid in the# response as what was used in the request, otherwise the client# will not be able to process out-of-order responses.else:raiseException('Unknown method%s'%message.name)For more information, seeOverview.CaveatsOnly the Thrift Binary protocol is supported at this time.Relatedthriftrw-nodethriftrw-goLicenseCopyright (c) 2015 Uber Technologies, Inc.

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