nitin230/File-Converter

1from flask import Flask, render_template, request, jsonify, send_file2import os3import tempfile4from pathlib import Path5 6from converters.pdf_converter import pdf_to_docx, pdf_to_images, pdf_to_txt7from converters.word_converter import docx_to_pdf, docx_to_txt, docx_to_images8from converters.image_converter import (9    image_to_pdf, image_to_text_docx,10    resize_image_dimensions, resize_image_filesize, convert_image_format11)12from converters.text_converter import txt_to_pdf, txt_to_docx13 14app = Flask(__name__)15app.config['MAX_CONTENT_LENGTH'] = 50 * 1024 * 1024  # 50MB max16 17SUPPORTED_FORMATS = {18    "pdf":   ["docx", "txt", "jpg", "png"],19    "docx":  ["pdf", "txt", "jpg", "png"],20    "doc":   ["pdf", "txt", "jpg", "png"],21    "txt":   ["pdf", "docx"],22    "jpg":   ["pdf", "docx", "png", "webp", "bmp"],23    "jpeg":  ["pdf", "docx", "png", "webp", "bmp"],24    "png":   ["pdf", "docx", "jpg", "webp", "bmp"],25    "webp":  ["pdf", "docx", "jpg", "png", "bmp"],26    "bmp":   ["pdf", "docx", "jpg", "png", "webp"],27    "tiff":  ["pdf", "docx", "jpg", "png"],28    "tif":   ["pdf", "docx", "jpg", "png"],29    "gif":   ["jpg", "png", "pdf"],30}31 32IMAGE_EXTS = {"jpg", "jpeg", "png", "webp", "bmp", "tiff", "tif", "gif"}33 34 35@app.route("/")36def index():37    return render_template("index.html")38 39 40@app.route("/api/formats", methods=["POST"])41def get_formats():42    filename = request.json.get("filename", "")43    ext = Path(filename).suffix.lower().lstrip(".")44    formats = SUPPORTED_FORMATS.get(ext, [])45    return jsonify({"formats": formats, "ext": ext})46 47 48@app.route("/api/convert", methods=["POST"])49def convert():50    if "file" not in request.files:51        return jsonify({"error": "File nahi mila"}), 40052 53    file = request.files["file"]54    output_format = request.form.get("output_format", "").lower()55    ocr_lang = request.form.get("ocr_lang", "eng")56 57    if not file.filename:58        return jsonify({"error": "File select karo"}), 40059    if not output_format:60        return jsonify({"error": "Output format select karo"}), 40061 62    ext = Path(file.filename).suffix.lower().lstrip(".")63    out_fmt = output_format.replace(" (ocr)", "").lower()64 65    # Save uploaded file to temp66    suffix = Path(file.filename).suffix67    with tempfile.NamedTemporaryFile(delete=False, suffix=suffix) as tmp:68        file.save(tmp.name)69        src = tmp.name70 71    try:72        result_path = None73 74        if ext == "pdf":75            if out_fmt == "docx":   result_path = pdf_to_docx(src)76            elif out_fmt == "txt":  result_path = pdf_to_txt(src)77            elif out_fmt in ("jpg", "png"): result_path = pdf_to_images(src, out_fmt)78 79        elif ext in ("docx", "doc"):80            if out_fmt == "pdf":    result_path = docx_to_pdf(src)81            elif out_fmt == "txt":  result_path = docx_to_txt(src)82            elif out_fmt in ("jpg", "png"): result_path = docx_to_images(src, out_fmt)83 84        elif ext == "txt":85            if out_fmt == "pdf":    result_path = txt_to_pdf(src)86            elif out_fmt == "docx": result_path = txt_to_docx(src)87 88        elif ext in IMAGE_EXTS:89            if out_fmt == "pdf":    result_path = image_to_pdf(src)90            elif out_fmt == "docx": result_path = image_to_text_docx(src, ocr_lang)91            elif out_fmt in IMAGE_EXTS: result_path = convert_image_format(src, out_fmt)92 93        if result_path and os.path.exists(result_path):94            size_kb = os.path.getsize(result_path) / 102495            out_name = Path(file.filename).stem + "." + out_fmt96            return send_file(97                result_path,98                as_attachment=True,99                download_name=out_name100            )101        else:102            return jsonify({"error": "Conversion fail ho gayi"}), 500103 104    except Exception as e:105        return jsonify({"error": str(e)}), 500106    finally:107        try: os.remove(src)108        except: pass109 110 111@app.route("/api/resize", methods=["POST"])112def resize():113    if "file" not in request.files:114        return jsonify({"error": "File nahi mila"}), 400115 116    file = request.files["file"]117    mode = request.form.get("mode", "dimensions")118    width = int(request.form.get("width", 800))119    height = int(request.form.get("height", 600))120    target_kb = int(request.form.get("target_kb", 200))121    quality = int(request.form.get("quality", 85))122 123    ext = Path(file.filename).suffix124    with tempfile.NamedTemporaryFile(delete=False, suffix=ext) as tmp:125        file.save(tmp.name)126        src = tmp.name127 128    try:129        if mode == "dimensions":130            result_path = resize_image_dimensions(src, width, height)131            msg = f"Resized to {width}x{height}px"132        else:133            result_path = resize_image_filesize(src, target_kb, quality)134            actual_kb = os.path.getsize(result_path) / 1024135            msg = f"Compressed to {actual_kb:.1f} KB"136 137        out_name = Path(file.filename).stem + "_resized" + ext138        return send_file(result_path, as_attachment=True, download_name=out_name)139 140    except Exception as e:141        return jsonify({"error": str(e)}), 500142    finally:143        try: os.remove(src)144        except: pass145 146 147if __name__ == "__main__":148    app.run(host="0.0.0.0", port=7860, debug=False)149