In -depth interpretation of the technical principles of 'saws' library technology in Python

In -depth interpretation of the technical principles of 'SAWS' Library in Python introduction: AWS (Amazon Web Services) is a cloud computing platform owned by Amazon, which provides various cloud services, including computing, storage, database, analysis, network, etc.The 'SAWS' Library is a Python class library for interacting with AWS SDK (software development toolkit).This article will in -depth interpretation of the technical principles of the "Saws' class library, including related programming code and configuration. 1. SAWS class library introduction: 'SAWS' Library is a third -party tool for Python to interact with AWS SDK.It provides some convenient interfaces and methods to enable developers to easily call AWS services.The SAWS class library makes the interaction with AWS simple and efficient, and provides a better development experience. 2. Install SAWS Library: First, you need to install the SAWS library in the Python environment.You can install it in the terminal through the following command: pip install SAWS 3. Configuration file of SAWS class library: The SAWS class library requires a configuration file to store configuration information related to AWS.The configuration file is default `~/.AWS/CREDENTIALS`, which contains information such as AWS's Access Key, Secret Key.Developers need to provide their own AWS account information in this configuration file. 4. Basic usage of SAWS Library: First, import the SAWS class library in the code: python import SAWS Then, use the AWS account information provided in the configuration file to create a SAWS client: python client = SAWS.new_client() Next, you can use the created client object to call various methods in AWS SDK.For example, create an EC2 instance: python response = client.create_instance( InstanceType='t2.micro', ImageId='ami-12345678', MinCount=1, MaxCount=1 ) In the above examples, by calling the `Create_instance` method of the SAWS client, send a request to AWS to create an EC2 instance with 'T2.Micro'. 5. SAWS class library technical principle: The SAWS library can realize the interaction with the AWS SDK, which is based on the packaging of the BOTO3 library.Boto3 is the official Python SDK provided by AWS, which provides comprehensive support for AWS services.The SAWS class library is further encapsulated on the basis of BOTO3, providing a more simplified interface, making it easier to interact with AWS. The core principle of the SAWS library is to call the related methods in the BOTO3 library through the SAWS client object.Inside the client object, the SAWS library reads information such as Access Key, Secret Key, and then reads from the configuration file, and then uses this information to verify and authorize identity.Once the authorization is successful, the client object can send a request to AWS to obtain the required services. The SAWS class library also provides various interfaces and methods to facilitate developers to better use AWS services.For example, create and delete EC2 instances, upload, download S3 objects, etc.Through these interfaces and methods, developers can easily use the functions of AWS in the Python code. Summarize: This article deeply interpreted the technical principles of the 'Saws' class library in Python.The SAWS class library is a third -party library for interacting with AWS SDK. It provides some convenient interfaces and methods that enable developers to easily call AWS services.The principle of the SAWS class library is based on the packaging of the BOTO3 library. The identity verification and authorization of the configuration file are provided by the configuration file, and then sent the request to the required service to the AWS.Developers can easily use the functions of AWS in the Python code through the SAWS class library.