Getting List of Commands in Redis using Python (Detailed Guide w/ Code Examples)

Use Case(s)

In Python applications, you may need to interact with a Redis server for various reasons such as caching, message queuing, or simply to use it as a NoSQL database. Redis has numerous commands that allow you to manipulate and retrieve data. A common need is to get a list of all available Redis commands.

Code Examples

In Python, you can use the redis-py library to work with Redis. Here's how you can get a list of all commands:

import redis r = redis.Redis() # Get list of all commands commands = r.execute_command('COMMAND') for command in commands: print(command[0])

This code connects to the local Redis server, executes the 'COMMAND' command which returns detailed information about all Redis commands, and then prints out the names of these commands.

Best Practices

  • Always handle exceptions when working with Redis commands, as they might fail due to various reasons (network issues, wrong command syntax, etc.).
  • Keep your Redis server and client libraries updated to have access to the latest commands and improvements.

Common Mistakes

  • Not closing the connection to the Redis server once done with it. This could lead to resource leaks. Make sure to close the connection properly.
  • Misinterpreting the output of the 'COMMAND' command. Each element of the returned list is itself a list containing details about a specific command. The first element of this inner list is the command name.


Q: Can I get a list of commands for a specific Redis version?

A: Yes, you can use the 'COMMAND INFO' command followed by the command names. If a command does not exist in the version of Redis you're using, it will return an empty list for that command.

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