/usr/bin/env python3# coding:utf-8importaddressbook_pb2importsys# 定义 Protocol Buffer 文件my_pb_file ="my_addr_book.pb"# 创建 Addressbookaddress_book = addressbook_pb2.AddressBook()# 增加一条person信息person = address
importsocket#Imported sockets moduleTCP_IP ='127.0.0.1'TCP_PORT =8090BUFFER_SIZE =1024#Normally use 1024, to get fast response from the server use small sizetry:#Create an AF_INET (IPv4), STREAM socket (TCP)tcp_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)exceptsocket.error,...
[_message.cpython-38-x86_64-linux-gnu.so] google::protobuf::python::InitProto2MessageModule(_object*) 0x00007fffe4d4f500 [_message.cpython-38-x86_64-linux-gnu.so] PyInit__message 0x00007fffe4d55282 [libpython3.8.so.1.0] _PyImport_LoadDynamicModuleWithSpec 0x00007ffff5e67006 接着我...
In Python 2.7, this interface wouldn’t be much different; the only change would be that the body is represented by astrobject, instead of abytesone. Though we’ve used a function in this case, anycallablewill do. The rules for the application object here are: Must be a callable withen...
When Security Protocol is set to SASL_PLAINTEXT, SASL is used for authentication. Data is transmitted in plaintext with high performance. You need to configure the instance username and password. Without SASL from kafka import KafkaProducer conf = { 'bootstrap_servers': ["ip1:port1","ip2...
The Azure Storage Blobs client library for Python allows you to interact with three types of resources: the storage account itself, blob storage containers, and blobs. Interaction with these resources starts with an instance of aclient. To create a client object, you will need the storage ...
Chapter 4. Introducing Python Object Types This chapter begins our tour of the Python language. In an informal sense, in Python, we do things with stuff. “Things” take the form of operations like addition and concatenation, and “stuff” refers to the objects on which we perform those ...
Where csv is either a string or a file-like object (specifically, any object with a read() method). If using a file, the data is streamed (in chunks of buffer_size bytes, which defaults to 128 * 2 ** 10). with open("/tmp/binary_file.csv", "rb") as fs: cursor.copy("COPY...
split(":")) class ex_response(object): def __init__(self,url): self.buffer = BytesIO() # 创建缓存对象 self.c = pycurl.Curl() # 创建curl实例 self.c.setopt(pycurl.URL,url) # 设置资源路径 self.c.setopt(pycurl.CAINFO,certifi.where()) # 设置指定证书验证包(http页面需要去掉本行) ...
Python interacts with DolphinDB through asessionobject: session(host=None, port=None, userid="", password="", enableSSL=False, enableASYNC=False, keepAliveTime=30, enableChunkGranularityConfig=False, compress=False, enablePickle=True, python=False) ...