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这是我试图实现的代码

from flask import Flask, request, jsonify
import json   
import pythoncom
import win32com.client
from win32com.client import Dispatch

xl = None
xl = win32com.client.Dispatch("Excel.Application")

app = Flask(__name__)


@app.route("/check", methods=['POST'])
def check():

    pythoncom.CoInitialize()
    if request.method == 'POST':
        data = request.get_json()
        fname = data['fname']
        phName = data['PH_Name']
        liName = data['LI_NAME']
        ppm = data['PPM']
        policyTerm = data['Policy_Term']
        sumAssured = data['Sum_Assured']


        wb = None

        if xl : 
            wb = xl.Workbooks.Open(fname) 


            inp_sheet = wb.Sheets["Inputs"]

            #read data from sheet
            data = inp_sheet.Range('D8').Value


            wb.Close(False)
            xl.Quit()
            return (data)


if __name__ == '__main__':
    app.run(threaded=True, port=5001, debug=True)

问题是,每当使用烧瓶函数打开工作簿时,win32com 都会创建新线程,因此需要将 Dispatcher 对象编组到流中以将其传递给函数。我如何为 api 调用做到这一点?

我发现了一些使用 CoMarshalInterThreadInterfaceInStream 和 CoGetInterfaceAndReleaseStream 的建议,但是当对 api 进行多个并行调用时它们无法运行。

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