gRPC for Python

1.78.0 · active · verified Sat Mar 28

gRPC is a high-performance, open-source RPC framework that uses HTTP/2 for transport. The 'grpcio' package provides the core gRPC functionality for Python, enabling developers to build efficient and scalable services. The current version is 1.78.0, with regular updates to enhance performance and address issues.

Warnings

breaking Python 2.7 support was removed on January 1, 2020.
Fix: Upgrade to Python 3.9 or higher.
gotcha Generated Python code from .proto files may have absolute imports, causing import errors in certain project structures.
Fix: Ensure .proto files are organized to match the desired Python package structure, or adjust import statements accordingly.
gotcha Installation issues may arise due to setuptools version conflicts.
Fix: Downgrade setuptools to version 49.6.0 if installation fails.

Install

pip install grpcio Install gRPC core package
pip install grpcio-tools Install gRPC tools for code generation

Imports

grpc
```
import grpc
```
Core gRPC module for Python
grpc_tools
```
import grpc_tools
```
Module for gRPC tools, including the protocol buffer compiler

Quickstart

Basic setup for a gRPC server in Python

import grpc
from concurrent import futures

# Define the server
server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))

# Add your service implementations here

# Start the server
server.add_insecure_port('[::]:50051')
server.start()
server.wait_for_termination()

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