convert-service: веб-морда для конвертации .doc → .docx

2026-07-16 10:08:48 +04:00
parent 0e0fb11c28
commit 470cc0a404
1 changed files with 104 additions and 17 deletions
@@ -1,20 +1,85 @@
 #!/usr/bin/env python3
-"""LibreOffice converter — Flask HTTP service. POST .doc → .docx."""
+"""LibreOffice converter — Flask HTTP service. .doc → .docx with UI + API."""
 import subprocess, tempfile, os
-from flask import Flask, request, send_file
+from flask import Flask, request, send_file, render_template_string

 app = Flask(__name__)

-@app.route("/convert", methods=["POST"])
-def convert():
-    if "file" not in request.files:
-        return {"ok": False, "error": "no file"}, 400
+HTML = """<!DOCTYPE html>
+<html lang="ru">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width,initial-scale=1">
+<title>Конвертер .doc → .docx</title>
+<style>
+body{font-family:system-ui,sans-serif;max-width:600px;margin:40px auto;padding:0 16px;color:#1a1a1a}
+h1{font-size:20px;margin-bottom:8px}
+.sub{color:#888;font-size:13px;margin-bottom:24px}
+form{background:#f5f5f5;padding:24px;border-radius:8px}
+input[type=file]{margin-bottom:16px;display:block}
+button{background:#0066cc;color:#fff;border:none;padding:10px 24px;border-radius:6px;cursor:pointer;font-size:14px}
+button:hover{background:#0052a3}
+button:disabled{opacity:0.5;cursor:not-allowed}
+.result{margin-top:20px;padding:16px;border-radius:8px}
+.ok{background:#e6ffe6;border:1px solid #b3e6b3}
+.err{background:#ffe6e6;border:1px solid #e6b3b3}
+.info{background:#e6f0ff;border:1px solid #b3d4e6;margin:16px 0;padding:12px;border-radius:6px;font-size:13px}
+code{background:#eee;padding:1px 4px;border-radius:3px;font-size:12px}
+.spinner{display:inline-block;width:14px;height:14px;border:2px solid #ccc;border-top-color:#0066cc;border-radius:50%;animation:spin 0.8s linear infinite;margin-right:6px;vertical-align:middle}
+@keyframes spin{to{transform:rotate(360deg)}}
+</style>
+</head>
+<body>
+<h1>📄 Конвертер .doc → .docx</h1>
+<p class="sub">LibreOffice в headless-режиме. Поддерживает .doc, .rtf, .odt.</p>
+<div class="info">
+  <strong>API:</strong> <code>POST /convert</code> с <code>multipart/form-data</code>, поле <code>file</code>.<br>
+  Ответ: файл .docx или <code>{"ok":false,"error":"..."}</code>.<br>
+  <strong>Health:</strong> <code>GET /health</code> → <code>{"ok":true}</code>
+</div>
+<hr style="margin:24px 0;border:none;border-top:1px solid #e0e0e0">
+<h2 style="font-size:16px;margin-bottom:12px">Конвертировать файл</h2>
+<form id="convForm" enctype="multipart/form-data">
+  <input type="file" name="file" accept=".doc,.rtf,.odt" required id="fileInput">
+  <button type="submit" id="submitBtn">Конвертировать</button>
+</form>
+<div id="result"></div>
+<script>
+document.getElementById('convForm').onsubmit = async function(e) {
+  e.preventDefault();
+  var btn = document.getElementById('submitBtn');
+  var result = document.getElementById('result');
+  btn.disabled = true;
+  btn.innerHTML = '<span class="spinner"></span>Конвертирую...';
+  result.innerHTML = '';
+  try {
+    var fd = new FormData();
+    fd.append('file', document.getElementById('fileInput').files[0]);
+    var resp = await fetch('/convert', { method: 'POST', body: fd });
+    if (resp.ok && resp.headers.get('Content-Type').includes('application/vnd')) {
+      var blob = await resp.blob();
+      var url = URL.createObjectURL(blob);
+      var fn = document.getElementById('fileInput').files[0].name.replace(/\\.[^.]+$/,'') + '.docx';
+      result.innerHTML = '<div class="result ok">✅ Готово! <a href="'+url+'" download="'+fn+'">Скачать '+fn+'</a></div>';
+    } else {
+      var err = await resp.json();
+      result.innerHTML = '<div class="result err">❌ ' + (err.error || 'Ошибка') + '</div>';
+    }
+  } catch(ex) {
+    result.innerHTML = '<div class="result err">❌ Сеть: ' + ex.message + '</div>';
+  }
+  btn.disabled = false;
+  btn.textContent = 'Конвертировать';
+};
+</script>
+</body>
+</html>"""

-    f = request.files["file"]
+def _convert_file(f):
+    """Convert one file to .docx, return (bytes, download_name) or raise."""
    with tempfile.NamedTemporaryFile(suffix=".doc", delete=False) as tmp:
        f.save(tmp)
        doc_path = tmp.name
-
    tmpdir = tempfile.mkdtemp()
    try:
        subprocess.run(
@@ -23,15 +88,9 @@ def convert():
        )
        docx_files = [x for x in os.listdir(tmpdir) if x.endswith(".docx")]
        if not docx_files:
-            return {"ok": False, "error": "conversion produced no .docx"}, 500
-        return send_file(os.path.join(tmpdir, docx_files[0]),
-                         mimetype="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
-                         as_attachment=True,
-                         download_name=os.path.splitext(f.filename)[0] + ".docx")
-    except subprocess.TimeoutExpired:
-        return {"ok": False, "error": "conversion timeout"}, 500
-    except subprocess.CalledProcessError as e:
-        return {"ok": False, "error": f"libreoffice: {e.stderr.decode() if e.stderr else 'unknown'}"}, 500
+            raise ValueError("conversion produced no .docx")
+        with open(os.path.join(tmpdir, docx_files[0]), "rb") as out:
+            return out.read(), os.path.splitext(f.filename)[0] + ".docx"
    finally:
        if os.path.exists(doc_path):
            os.unlink(doc_path)
@@ -39,9 +98,37 @@ def convert():
            os.unlink(os.path.join(tmpdir, x))
        os.rmdir(tmpdir)

+@app.route("/", methods=["GET"])
+def index():
+    return render_template_string(HTML)
+
+@app.route("/convert", methods=["POST"])
+def convert():
+    if "file" not in request.files:
+        return {"ok": False, "error": "no file"}, 400
+    f = request.files["file"]
+    if not f.filename:
+        return {"ok": False, "error": "empty filename"}, 400
+    try:
+        data, name = _convert_file(f)
+        return send_file(
+            io.BytesIO(data),
+            mimetype="application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+            as_attachment=True,
+            download_name=name,
+        )
+    except subprocess.TimeoutExpired:
+        return {"ok": False, "error": "conversion timeout"}, 500
+    except subprocess.CalledProcessError as e:
+        err = e.stderr.decode() if e.stderr else "unknown"
+        return {"ok": False, "error": f"libreoffice: {err}"}, 500
+    except ValueError as e:
+        return {"ok": False, "error": str(e)}, 500
+
@app.route("/health", methods=["GET"])
 def health():
    return {"ok": True}

 if __name__ == "__main__":
+    import io
    app.run(host="0.0.0.0", port=5000)