在C#中通过IronPython调用OpenAI Whisper遇replicate模块缺失错误求助

问题背景 #

我是C#新手，想开发一款语音助手，用OpenAI Whisper实现语音转文本功能。因为没法直接在C#里用Whisper，所以选择用IronPython调用Python代码的方式实现。但运行时出现ImportException错误，提示找不到'replicate'模块。

我的Python代码 #

import replicate
import os

os.environ['REPLICATE_API_TOKEN'] = '73xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

model = replicate.models.get("openai/whisper")
version = model.versions.get("30414ee7c4fffc37e260fcab7842b5be470b9b840f2b608f5baa9bbef9a259ed")

inputs = {
    'audio': open(r"C:\Users\JAHAN TEEGH\Documents\Sound recordings\Recording.mp3", "rb"),
    'model': "large",
    'temperature': 0,
    'suppress_tokens': "-1",
    'condition_on_previous_text': True,
    'temperature_increment_on_fallback': 0.2,
    'compression_ratio_threshold': 2.4,
    'logprob_threshold': -1,
    'no_speech_threshold': 0.6,
}

result = version.predict(**inputs)
print(result['segments'][0]['text'])

我的C#代码 #

using IronPython.Hosting;
using Microsoft.Scripting.Hosting;
using System;

ScriptEngine engine = Python.CreateEngine();
ScriptSource source = engine.CreateScriptSourceFromFile(@"D:\code\Dastak\stt\py.py");
ScriptScope scope = engine.CreateScope();
source.Execute(scope);
dynamic result = scope.GetVariable("v");
Console.WriteLine(result);

错误信息 #

Unhandled exception. IronPython.Runtime.Exceptions.ImportException: No module named 'replicate'
   at Microsoft.Scripting.Runtime.LightExceptions.ThrowException(LightException lightEx)
   at Microsoft.Scripting.Runtime.LightExceptions.CheckAndThrow(Object value)
   at Microsoft.Scripting.Interpreter.FuncCallInstruction`2.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
   at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
   at IronPython.Compiler.PythonScriptCode.RunWorker(CodeContext ctx)
   at IronPython.Compiler.PythonScriptCode.Run(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.InvokeTarget(Scope scope)
   at IronPython.Compiler.RuntimeScriptCode.Run(Scope scope)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope, ErrorSink errorSink)
   at Microsoft.Scripting.SourceUnit.Execute(Scope scope)
   at Microsoft.Scripting.Hosting.ScriptSource.Execute(ScriptScope scope)
   at Program.<Main>$(String[] args) in D:\code\Dastak\stt\myApp\Program.cs:line 34

解决方法 #

1. 给IronPython环境安装replicate模块 #

IronPython有独立的Python环境，和系统默认Python不共享已安装的模块。你需要用IronPython自带的pip来安装replicate：

• 打开命令提示符，找到IronPython的安装目录（比如C:\Program Files\IronPython 3.4）
• 执行以下命令安装模块：

ipy -m pip install replicate

如果系统找不到ipy命令，直接用完整路径执行：

"C:\Program Files\IronPython 3.4\ipy.exe" -m pip install replicate

2. 让IronPython加载系统Python的第三方库（可选） #

如果不想单独在IronPython环境安装模块，可以配置IronPython加载系统Python的site-packages目录。修改C#代码如下：

using IronPython.Hosting;
using Microsoft.Scripting.Hosting;
using System;

ScriptEngine engine = Python.CreateEngine();
// 替换为你系统Python的site-packages路径，根据Python版本调整
string sitePackagesPath = @"C:\Users\JAHAN TEEGH\AppData\Local\Programs\Python\Python311\Lib\site-packages";
var searchPaths = engine.GetSearchPaths();
searchPaths.Add(sitePackagesPath);
engine.SetSearchPaths(searchPaths);

ScriptSource source = engine.CreateScriptSourceFromFile(@"D:\code\Dastak\stt\py.py");
ScriptScope scope = engine.CreateScope();
source.Execute(scope);
dynamic result = scope.GetVariable("v");
Console.WriteLine(result);

同时修改Python代码，将结果赋值给变量v（否则C#代码会找不到这个变量）：

import replicate
import os

os.environ['REPLICATE_API_TOKEN'] = '73xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

model = replicate.models.get("openai/whisper")
version = model.versions.get("30414ee7c4fffc37e260fcab7842b5be470b9b840f2b608f5baa9bbef9a259ed")

inputs = {
    'audio': open(r"C:\Users\JAHAN TEEGH\Documents\Sound recordings\Recording.mp3", "rb"),
    'model': "large",
    'temperature': 0,
    'suppress_tokens': "-1",
    'condition_on_previous_text': True,
    'temperature_increment_on_fallback': 0.2,
    'compression_ratio_threshold': 2.4,
    'logprob_threshold': -1,
    'no_speech_threshold': 0.6,
}

result = version.predict(**inputs)
v = result['segments'][0]['text']  # 添加这行赋值语句
print(v)

3. 额外注意事项 #

• 确保IronPython版本和replicate模块兼容，推荐使用3.4及以上版本的IronPython。
• 检查你的REPLICATE_API_TOKEN是否有效，避免后续调用模型时出现权限错误。
• 原C#代码中尝试获取变量v，但原Python代码未定义该变量，必须修改Python代码添加赋值语句，否则会出现新的变量未找到错误。

内容的提问来源于stack exchange，提问作者yasin gahan tigh