Thrift笔记

最新推荐文章于 2021-10-12 13:11:05 发布
最新推荐文章于 2021-10-12 13:11:05 发布
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Thrift 笔记

参考地址: https://blog.youkuaiyun.com/dutsoft/article/details/71178655

1、demo1

构造idl文件：IDL设计参看地址
IDL文件demo

hello.thrift文件的内容如下

service HelloService {
    string say(1:string msg)
}

server.py文件内容如下

import socket
import sys
from hello import HelloService
from hello.ttypes import *

from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from thrift.server import TServer

# hello服务处理(handler)类
class HelloServiceHandler(object):
    def say(self, msg): # 函数名必须与hello.thrift中定义服务的函数名一样
        ret = "Received: " + msg
        print ret
        return ret
        
handler = HelloServiceHandler() #构建处理的对象
processor = HelloService.Processor(handler) #运行在服务端的处理器
transport = TSocket.TServerSocket("localhost", 9090)
tfactory = TTransport.TBufferedTransportFactory()  # 传递工厂
pfactory = TBinaryProtocol.TBinaryProtocolFactory() # 协议工厂
server = TServer.TSimpleServer(processor, transport, tfactory, pfactory)
print "Starting thrift server in python..."
server.serve() # 启动服务，并持续接收client发送的数据
print "done!"

client.py文件内容如下

import sys
from hello import HelloService
from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol

try:
    transport = TSocket.TSocket('localhost', 9090) #连接服务器的socket
    transport = TTransport.TBufferedTransport(transport)
    protocol = TBinaryProtocol.TBinaryProtocol(transport)
    client = HelloService.Client(protocol)
    transport.open()
    print "client - say"
    msg = client.say("Hello!")
    print "server - " + msg
    transport.close()

except Thrift.TException, ex:
    print "%s" % (ex.message)

执行的时候 首先运行 server.py脚本，启动服务。然后执行client.py 模拟客户端向服务器发送请求。

2、demo2

IDL文件为i18n_get_authors_by_keywords.thrift ，文件内容如下

include "../base.thrift"
namespace go i18n_get_authors_by_keywords
namespace py i18n_get_authors_by_keywords

struct HiRequest {
    1: string Name,       // 前面的编号是唯一标示，无具体含义。
    255: optional base.Base Base,
}
struct HiResponse {
    1: string Resp,
    255: base.BaseResp BaseResp,
}
service HiService {
    HiResponse Hi(1: HiRequest req)
}

执行

thrift -r --gen py i18n_get_authors_by_keywords.thrift

可以在IDL文件的同级目录下生成gen-py目录
在这里插入图片描述
其中base/ttypes.py内是IDL文件的include中生成的类

#
# Autogenerated by Thrift Compiler (0.11.0)
#
# DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
#
#  options string: py
#

from thrift.Thrift import TType, TMessageType, TFrozenDict, TException, TApplicationException
from thrift.protocol.TProtocol import TProtocolException
from thrift.TRecursive import fix_spec

import sys

from thrift.transport import TTransport

all_structs = []


class TrafficEnv(object):
    """
    Attributes:
     - Open
     - Env
    """

    def __init__(self, Open=False, Env="", ):
        self.Open = Open
        self.Env = Env

    def read(self, iprot):
        if iprot._fast_decode is not None and isinstance(iprot.trans,
                                                         TTransport.CReadableTransport) and self.thrift_spec is not None:
            iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
            return
        iprot.readStructBegin()
        while True:
            (fname, ftype, fid) = iprot.readFieldBegin()
            if ftype == TType.STOP:
                break
            if fid == 1:
                if ftype == TType.BOOL:
                    self.Open = iprot.readBool()
                else:
                    iprot.skip(ftype)
            elif fid == 2:
                if ftype == TType.STRING:
                    self.Env = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            else:
                iprot.skip(ftype)
            iprot.readFieldEnd()
        iprot.readStructEnd()

    def write(self, oprot):
        if oprot._fast_encode is not None and self.thrift_spec is not None:
            oprot.trans.write(oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
            return
        oprot.writeStructBegin('TrafficEnv')
        if self.Open is not None:
            oprot.writeFieldBegin('Open', TType.BOOL, 1)
            oprot.writeBool(self.Open)
            oprot.writeFieldEnd()
        if self.Env is not None:
            oprot.writeFieldBegin('Env', TType.STRING, 2)
            oprot.writeString(self.Env.encode('utf-8') if sys.version_info[0] == 2 else self.Env)
            oprot.writeFieldEnd()
        oprot.writeFieldStop()
        oprot.writeStructEnd()

    def validate(self):
        return

    def __repr__(self):
        L = ['%s=%r' % (key, value)
             for key, value in self.__dict__.items()]
        return '%s(%s)' % (self.__class__.__name__, ', '.join(L))

    def __eq__(self, other):
        return isinstance(other, self.__class__) and self.__dict__ == other.__dict__

    def __ne__(self, other):
        return not (self == other)


class Base(object):
    """
    Attributes:
     - LogID
     - Caller
     - Addr
     - Client
     - TrafficEnv
     - Extra
    """

    def __init__(self, LogID="", Caller="", Addr="", Client="", TrafficEnv=None, Extra=None, ):
        self.LogID = LogID
        self.Caller = Caller
        self.Addr = Addr
        self.Client = Client
        self.TrafficEnv = TrafficEnv
        self.Extra = Extra

    def read(self, iprot):
        if iprot._fast_decode is not None and isinstance(iprot.trans,
                                                         TTransport.CReadableTransport) and self.thrift_spec is not None:
            iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
            return
        iprot.readStructBegin()
        while True:
            (fname, ftype, fid) = iprot.readFieldBegin()
            if ftype == TType.STOP:
                break
            if fid == 1:
                if ftype == TType.STRING:
                    self.LogID = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 2:
                if ftype == TType.STRING:
                    self.Caller = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 3:
                if ftype == TType.STRING:
                    self.Addr = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 4:
                if ftype == TType.STRING:
                    self.Client = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 5:
                if ftype == TType.STRUCT:
                    self.TrafficEnv = TrafficEnv()
                    self.TrafficEnv.read(iprot)
                else:
                    iprot.skip(ftype)
            elif fid == 6:
                if ftype == TType.MAP:
                    self.Extra = {}
                    (_ktype1, _vtype2, _size0) = iprot.readMapBegin()
                    for _i4 in range(_size0):
                        _key5 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                        _val6 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                        self.Extra[_key5] = _val6
                    iprot.readMapEnd()
                else:
                    iprot.skip(ftype)
            else:
                iprot.skip(ftype)
            iprot.readFieldEnd()
        iprot.readStructEnd()

    def write(self, oprot):
        if oprot._fast_encode is not None and self.thrift_spec is not None:
            oprot.trans.write(oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
            return
        oprot.writeStructBegin('Base')
        if self.LogID is not None:
            oprot.writeFieldBegin('LogID', TType.STRING, 1)
            oprot.writeString(self.LogID.encode('utf-8') if sys.version_info[0] == 2 else self.LogID)
            oprot.writeFieldEnd()
        if self.Caller is not None:
            oprot.writeFieldBegin('Caller', TType.STRING, 2)
            oprot.writeString(self.Caller.encode('utf-8') if sys.version_info[0] == 2 else self.Caller)
            oprot.writeFieldEnd()
        if self.Addr is not None:
            oprot.writeFieldBegin('Addr', TType.STRING, 3)
            oprot.writeString(self.Addr.encode('utf-8') if sys.version_info[0] == 2 else self.Addr)
            oprot.writeFieldEnd()
        if self.Client is not None:
            oprot.writeFieldBegin('Client', TType.STRING, 4)
            oprot.writeString(self.Client.encode('utf-8') if sys.version_info[0] == 2 else self.Client)
            oprot.writeFieldEnd()
        if self.TrafficEnv is not None:
            oprot.writeFieldBegin('TrafficEnv', TType.STRUCT, 5)
            self.TrafficEnv.write(oprot)
            oprot.writeFieldEnd()
        if self.Extra is not None:
            oprot.writeFieldBegin('Extra', TType.MAP, 6)
            oprot.writeMapBegin(TType.STRING, TType.STRING, len(self.Extra))
            for kiter7, viter8 in self.Extra.items():
                oprot.writeString(kiter7.encode('utf-8') if sys.version_info[0] == 2 else kiter7)
                oprot.writeString(viter8.encode('utf-8') if sys.version_info[0] == 2 else viter8)
            oprot.writeMapEnd()
            oprot.writeFieldEnd()
        oprot.writeFieldStop()
        oprot.writeStructEnd()

    def validate(self):
        return

    def __repr__(self):
        L = ['%s=%r' % (key, value)
             for key, value in self.__dict__.items()]
        return '%s(%s)' % (self.__class__.__name__, ', '.join(L))

    def __eq__(self, other):
        return isinstance(other, self.__class__) and self.__dict__ == other.__dict__

    def __ne__(self, other):
        return not (self == other)


class BaseResp(object):
    """
    Attributes:
     - StatusMessage
     - StatusCode
     - Extra
    """

    def __init__(self, StatusMessage="", StatusCode=0, Extra=None, ):
        self.StatusMessage = StatusMessage
        self.StatusCode = StatusCode
        self.Extra = Extra

    def read(self, iprot):
        if iprot._fast_decode is not None and isinstance(iprot.trans,
                                                         TTransport.CReadableTransport) and self.thrift_spec is not None:
            iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
            return
        iprot.readStructBegin()
        while True:
            (fname, ftype, fid) = iprot.readFieldBegin()
            if ftype == TType.STOP:
                break
            if fid == 1:
                if ftype == TType.STRING:
                    self.StatusMessage = iprot.readString().decode('utf-8') if sys.version_info[
                                                                                   0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 2:
                if ftype == TType.I32:
                    self.StatusCode = iprot.readI32()
                else:
                    iprot.skip(ftype)
            elif fid == 3:
                if ftype == TType.MAP:
                    self.Extra = {}
                    (_ktype10, _vtype11, _size9) = iprot.readMapBegin()
                    for _i13 in range(_size9):
                        _key14 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                        _val15 = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                        self.Extra[_key14] = _val15
                    iprot.readMapEnd()
                else:
                    iprot.skip(ftype)
            else:
                iprot.skip(ftype)
            iprot.readFieldEnd()
        iprot.readStructEnd()

    def write(self, oprot):
        if oprot._fast_encode is not None and self.thrift_spec is not None:
            oprot.trans.write(oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
            return
        oprot.writeStructBegin('BaseResp')
        if self.StatusMessage is not None:
            oprot.writeFieldBegin('StatusMessage', TType.STRING, 1)
            oprot.writeString(self.StatusMessage.encode('utf-8') if sys.version_info[0] == 2 else self.StatusMessage)
            oprot.writeFieldEnd()
        if self.StatusCode is not None:
            oprot.writeFieldBegin('StatusCode', TType.I32, 2)
            oprot.writeI32(self.StatusCode)
            oprot.writeFieldEnd()
        if self.Extra is not None:
            oprot.writeFieldBegin('Extra', TType.MAP, 3)
            oprot.writeMapBegin(TType.STRING, TType.STRING, len(self.Extra))
            for kiter16, viter17 in self.Extra.items():
                oprot.writeString(kiter16.encode('utf-8') if sys.version_info[0] == 2 else kiter16)
                oprot.writeString(viter17.encode('utf-8') if sys.version_info[0] == 2 else viter17)
            oprot.writeMapEnd()
            oprot.writeFieldEnd()
        oprot.writeFieldStop()
        oprot.writeStructEnd()

    def validate(self):
        return

    def __repr__(self):
        L = ['%s=%r' % (key, value)
             for key, value in self.__dict__.items()]
        return '%s(%s)' % (self.__class__.__name__, ', '.join(L))

    def __eq__(self, other):
        return isinstance(other, self.__class__) and self.__dict__ == other.__dict__

    def __ne__(self, other):
        return not (self == other)


all_structs.append(TrafficEnv)
TrafficEnv.thrift_spec = (
    None,  # 0
    (1, TType.BOOL, 'Open', None, False,),  # 1
    (2, TType.STRING, 'Env', 'UTF8', "",),  # 2
)

all_structs.append(Base)
Base.thrift_spec = (
    None,  # 0
    (1, TType.STRING, 'LogID', 'UTF8', "",),  # 1
    (2, TType.STRING, 'Caller', 'UTF8', "",),  # 2
    (3, TType.STRING, 'Addr', 'UTF8', "",),  # 3
    (4, TType.STRING, 'Client', 'UTF8', "",),  # 4
    (5, TType.STRUCT, 'TrafficEnv', [TrafficEnv, None], None,),  # 5
    (6, TType.MAP, 'Extra', (TType.STRING, 'UTF8', TType.STRING, 'UTF8', False), None,),  # 6
)
all_structs.append(BaseResp)
BaseResp.thrift_spec = (
    None,  # 0
    (1, TType.STRING, 'StatusMessage', 'UTF8', "",),  # 1
    (2, TType.I32, 'StatusCode', None, 0,),  # 2
    (3, TType.MAP, 'Extra', (TType.STRING, 'UTF8', TType.STRING, 'UTF8', False), None,),  # 3
)
fix_spec(all_structs)
del all_structs

i18n_get_authors_by_keywords/ttypes.py内是IDL文件中struct设置的类。

#
# Autogenerated by Thrift Compiler (0.11.0)
#
# DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
#
#  options string: py
#

from thrift.Thrift import TType, TMessageType, TFrozenDict, TException, TApplicationException
from thrift.protocol.TProtocol import TProtocolException
from thrift.TRecursive import fix_spec

import sys
import base.ttypes

from thrift.transport import TTransport
all_structs = []


class ServiceRequest(object):
    """
    Attributes:
     - Name
     - Base
    """


    def __init__(self, Name=None, Base=None,):
        self.Name = Name
        self.Base = Base

    def read(self, iprot):
        if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
            iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
            return
        iprot.readStructBegin()
        while True:
            (fname, ftype, fid) = iprot.readFieldBegin()
            if ftype == TType.STOP:
                break
            if fid == 1:
                if ftype == TType.STRING:
                    self.Name = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 255:
                if ftype == TType.STRUCT:
                    self.Base = base.ttypes.Base()
                    self.Base.read(iprot)
                else:
                    iprot.skip(ftype)
            else:
                iprot.skip(ftype)
            iprot.readFieldEnd()
        iprot.readStructEnd()

    def write(self, oprot):
        if oprot._fast_encode is not None and self.thrift_spec is not None:
            oprot.trans.write(oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
            return
        oprot.writeStructBegin('ServiceRequest')
        if self.Name is not None:
            oprot.writeFieldBegin('Name', TType.STRING, 1)
            oprot.writeString(self.Name.encode('utf-8') if sys.version_info[0] == 2 else self.Name)
            oprot.writeFieldEnd()
        if self.Base is not None:
            oprot.writeFieldBegin('Base', TType.STRUCT, 255)
            self.Base.write(oprot)
            oprot.writeFieldEnd()
        oprot.writeFieldStop()
        oprot.writeStructEnd()

    def validate(self):
        return

    def __repr__(self):
        L = ['%s=%r' % (key, value)
             for key, value in self.__dict__.items()]
        return '%s(%s)' % (self.__class__.__name__, ', '.join(L))

    def __eq__(self, other):
        return isinstance(other, self.__class__) and self.__dict__ == other.__dict__

    def __ne__(self, other):
        return not (self == other)


class ServiceResponse(object):
    """
    Attributes:
     - Resp
     - BaseResp
    """


    def __init__(self, Resp=None, BaseResp=None,):
        self.Resp = Resp
        self.BaseResp = BaseResp

    def read(self, iprot):
        if iprot._fast_decode is not None and isinstance(iprot.trans, TTransport.CReadableTransport) and self.thrift_spec is not None:
            iprot._fast_decode(self, iprot, [self.__class__, self.thrift_spec])
            return
        iprot.readStructBegin()
        while True:
            (fname, ftype, fid) = iprot.readFieldBegin()
            if ftype == TType.STOP:
                break
            if fid == 1:
                if ftype == TType.STRING:
                    self.Resp = iprot.readString().decode('utf-8') if sys.version_info[0] == 2 else iprot.readString()
                else:
                    iprot.skip(ftype)
            elif fid == 255:
                if ftype == TType.STRUCT:
                    self.BaseResp = base.ttypes.BaseResp()
                    self.BaseResp.read(iprot)
                else:
                    iprot.skip(ftype)
            else:
                iprot.skip(ftype)
            iprot.readFieldEnd()
        iprot.readStructEnd()

    def write(self, oprot):
        if oprot._fast_encode is not None and self.thrift_spec is not None:
            oprot.trans.write(oprot._fast_encode(self, [self.__class__, self.thrift_spec]))
            return
        oprot.writeStructBegin('ServiceResponse')
        if self.Resp is not None:
            oprot.writeFieldBegin('Resp', TType.STRING, 1)
            oprot.writeString(self.Resp.encode('utf-8') if sys.version_info[0] == 2 else self.Resp)
            oprot.writeFieldEnd()
        if self.BaseResp is not None:
            oprot.writeFieldBegin('BaseResp', TType.STRUCT, 255)
            self.BaseResp.write(oprot)
            oprot.writeFieldEnd()
        oprot.writeFieldStop()
        oprot.writeStructEnd()

    def validate(self):
        return

    def __repr__(self):
        L = ['%s=%r' % (key, value)
             for key, value in self.__dict__.items()]
        return '%s(%s)' % (self.__class__.__name__, ', '.join(L))

    def __eq__(self, other):
        return isinstance(other, self.__class__) and self.__dict__ == other.__dict__

    def __ne__(self, other):
        return not (self == other)


all_structs.append(ServiceRequest)
ServiceRequest.thrift_spec = (
    None,  # 0
    (1, TType.STRING, 'Name', 'UTF8', None, ),  # 1
    None,  # 2
    None,  # 3
    None,  # 4
    None,  # 5
    None,  # 6
    None,  # 7
    None,  # 8
    None,  # 9
    None,  # 10
    None,  # 11
    None,  # 12
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    None,  # 15
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    (255, TType.STRUCT, 'Base', [base.ttypes.Base, None], None, ),  # 255
)
all_structs.append(ServiceResponse)
ServiceResponse.thrift_spec = (
    None,  # 0
    (1, TType.STRING, 'Resp', 'UTF8', None, ),  # 1
    None,  # 2
    None,  # 3
    None,  # 4
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    None,  # 237
    None,  # 238
    None,  # 239
    None,  # 240
    None,  # 241
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    None,  # 243
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    None,  # 245
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    None,  # 252
    None,  # 253
    None,  # 254
    (255, TType.STRUCT, 'BaseResp', [base.ttypes.BaseResp, None], None, ),  # 255
)
fix_spec(all_structs)
del all_structs
·清尘·
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