app.py

from flask import Flask, render_template, redirect, request, url_for

from PyPDF2 import PdfFileReader, PdfFileWriter
import os
import json
from pdf2docx import parse

app = Flask(__name__)

app.config["UPLOAD_PATH"] = "static/uploads"

base_dir = os.path.dirname(os.path.realpath(__file__))

static_dir = os.path.join(base_dir, "static/")

uploads_dir = os.path.join(static_dir, "uploads")


@app.route("/", methods=["GET", "POST"])
def index():
    if request.method == "POST":

        if request.files:
            pdf_file = request.files["file"]

            pdf_file_name = os.path.join(app.config["UPLOAD_PATH"], pdf_file.filename)

            pdf_file.save(pdf_file_name)

            return redirect("/")

        return redirect("/")
    return render_template("index.html")


@app.route("/<filename>")
def show_file_content(filename):

    pdf_file_name = os.path.join(app.config["UPLOAD_PATH"], filename)

    pdf_file = PdfFileReader(pdf_file_name)

    pages = pdf_file.getNumPages()

    text = json.dumps(str(pdf_file_name))

    context = {"pages": pages, "file_name": filename, "text": text}
    return render_template("fileview.html", **context)


@app.route("/edit/<file_name>")
def edit_pdf_file(file_name):

    file_to_edit = os.path.join(uploads_dir, file_name)

    output=f'{file_name}-ouput.docx'

    output_file= os.path.join(uploads_dir,output)

    parse(file_to_edit, output_file, start=0, end=None)

    context={
        'filename':str(file_name),
        'file_path':file_to_edit,
        'output':output
    }

    return render_template("file-edit.html",**context)


if __name__ == "__main__":
    app.run(debug=True, port=8000)