fix: optimize PDF parsing by implementing concurrent processing with … (#177)

* fix: optimize PDF parsing by implementing concurrent processing with ThreadPoolExecutor

* Refactor to async processing for file extraction

Refactor the file processing to use asyncio for improved performance and concurrency.

Author: hhhhsc701

runtime/ops/formatter/mineru_formatter/process.py

@@ -5,15 +5,15 @@
 Description: MinerU PDF文本抽取
 Create: 2025/10/29 17:24
 """
+import asyncio
 import os
 import shutil
 import time
 from typing import Dict, Any
 
-from datamate.common.utils.rest_client import http_request
 from datamate.core.base_op import Mapper
 from loguru import logger
-from mineru.cli.common import do_parse, read_fn
+from mineru.cli.common import aio_do_parse, read_fn
 from mineru.cli.fast_api import get_infer_result
 from pypdf import PdfReader
 
@@ -30,33 +30,38 @@ def __init__(self, *args, **kwargs):
     def execute(self, sample: Dict[str, Any]) -> Dict[str, Any]:
         start = time.time()
         filename = sample[self.filename_key]
-        filename_without_ext = os.path.splitext(filename)[0]
         if not filename.lower().endswith((".png", ".jpeg", ".jpg", ".webp", ".gif", ".pdf")):
             return sample
         try:
-            filepath = sample[self.filepath_key]
-            parse_dir = os.path.join(self.output_dir, filename_without_ext, "vlm")
-            pdf_bytes = read_fn(filepath)
-            total_page = len(PdfReader(filepath).pages)
-            content = ""
-            for page in range(0, total_page, 10):
-                do_parse(
-                    output_dir=self.output_dir,
-                    pdf_file_names=[filename_without_ext],
-                    pdf_bytes_list=[pdf_bytes],
-                    p_lang_list=["ch"],
-                    backend=self.backend,
-                    server_url=self.server_url,
-                    start_page_id=page,
-                    end_page_id=min(page + 9, total_page - 1),
-                )
-                if os.path.exists(parse_dir):
-                    content += get_infer_result(".md", filename_without_ext, parse_dir)
-                    shutil.rmtree(parse_dir)
-            sample[self.text_key] = content
+            sample[self.text_key] = asyncio.run(self.async_process_file(sample))
             logger.info(
                 f"fileName: {filename}, method: MineruFormatter costs {(time.time() - start):6f} s")
         except Exception as e:
             logger.exception(f"fileName: {filename}, method: MineruFormatter causes error: {e}")
             raise
         return sample
+
+    async def async_process_file(self, sample):
+        filename = sample[self.filename_key]
+        filename_without_ext = os.path.splitext(filename)[0]
+        filepath = sample[self.filepath_key]
+        parse_dir = os.path.join(self.output_dir, filename_without_ext, "vlm")
+        pdf_bytes = read_fn(filepath)
+        total_page = len(PdfReader(filepath).pages)
+        content = ""
+        for page in range(0, total_page, 10):
+            logger.info(f"fileName: {filename}, total_page: {total_page}, page: {page}.")
+            await aio_do_parse(
+                output_dir=self.output_dir,
+                pdf_file_names=[filename_without_ext],
+                pdf_bytes_list=[pdf_bytes],
+                p_lang_list=["ch"],
+                backend=self.backend,
+                server_url=self.server_url,
+                start_page_id=page,
+                end_page_id=min(page + 9, total_page - 1),
+            )
+            if os.path.exists(parse_dir):
+                content += get_infer_result(".md", filename_without_ext, parse_dir)
+                shutil.rmtree(parse_dir)
+        return content