CSnakes lets .NET developers run Python libraries in-process without extra services

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CSnakes is a tool that allows developers to run Python code directly inside a .NET application within the same process, eliminating the need for separate microservices or HTTP wrappers. It automatically generates typed C# bindings from Python functions that have type hints, so a Python function like match_score appears as MatchScore on the .NET side. The library integrates with .NET's dependency injection system and can download an isolated Python runtime via a redistributable, or work with existing Conda or system Python environments. It also supports automatic package installation through uv, reading dependencies from a standard requirements.txt file. Developers are cautioned that running Python in-process means Python startup failures and heavy computations can directly impact the host .NET application.

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