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parse_pdf_by_ocr 和 cut_image 重构,使用抽象类进行写出操作

赵小蒙 1 год назад
Родитель
Сommit
0e2d0b8b4f

+ 3 - 23
magic_pdf/libs/commons.py

@@ -120,29 +120,9 @@ def read_file(pdf_path: str, s3_profile):
             return f.read()
 
 
-def get_docx_model_output(pdf_model_output, pdf_model_s3_profile, page_id):
-    if isinstance(pdf_model_output, str):
-        model_output_json_path = join_path(pdf_model_output, f"page_{page_id + 1}.json")  # 模型输出的页面编号从1开始的
-        if os.path.exists(model_output_json_path):
-            json_from_docx = read_file(model_output_json_path, pdf_model_s3_profile)
-            model_output_json = json.loads(json_from_docx)
-        else:
-            try:
-                model_output_json_path = join_path(pdf_model_output, "model.json")
-                with open(model_output_json_path, "r", encoding="utf-8") as f:
-                    model_output_json = json.load(f)
-                    model_output_json = model_output_json["doc_layout_result"][page_id]
-            except:
-                s3_model_output_json_path = join_path(pdf_model_output, f"page_{page_id + 1}.json")
-                s3_model_output_json_path = join_path(pdf_model_output, f"{page_id}.json")
-                #s3_model_output_json_path = join_path(pdf_model_output, f"page_{page_id }.json")
-                # logger.warning(f"model_output_json_path: {model_output_json_path} not found. try to load from s3: {s3_model_output_json_path}")
-
-                s = read_file(s3_model_output_json_path, pdf_model_s3_profile)
-                return json.loads(s)
-
-    elif isinstance(pdf_model_output, list):
-        model_output_json = pdf_model_output[page_id]
+def get_docx_model_output(pdf_model_output, page_id):
+
+    model_output_json = pdf_model_output[page_id]
 
     return model_output_json
 

+ 10 - 56
magic_pdf/libs/pdf_image_tools.py

@@ -10,35 +10,19 @@ from magic_pdf.libs.commons import parse_bucket_key, join_path
 from magic_pdf.libs.hash_utils import compute_sha256
 
 
-def cut_image(bbox: Tuple, page_num: int, page: fitz.Page, save_parent_path: str, s3_return_path=None, img_s3_client=None, upload_switch=True):
+def cut_image(bbox: Tuple, page_num: int, page: fitz.Page, return_path, imageWriter, upload_switch=True):
     """
     从第page_num页的page中,根据bbox进行裁剪出一张jpg图片,返回图片路径
     save_path:需要同时支持s3和本地, 图片存放在save_path下,文件名是: {page_num}_{bbox[0]}_{bbox[1]}_{bbox[2]}_{bbox[3]}.jpg , bbox内数字取整。
     """
     # 拼接文件名
-    filename = f"{page_num}_{int(bbox[0])}_{int(bbox[1])}_{int(bbox[2])}_{int(bbox[3])}.jpg"
+    filename = f"{page_num}_{int(bbox[0])}_{int(bbox[1])}_{int(bbox[2])}_{int(bbox[3])}"
 
     # 老版本返回不带bucket的路径
-    s3_img_path = join_path(s3_return_path, filename) if s3_return_path is not None else None
-
-    # 新版本生成s3的平铺路径
-    s3_img_hash256_path = f"{compute_sha256(s3_img_path)}.jpg"
-
-    # 打印图片文件名
-    # print(f"Saved {image_save_path}")
-
-    #检查坐标
-    # x_check = int(bbox[2]) - int(bbox[0])
-    # y_check = int(bbox[3]) - int(bbox[1])
-    # if x_check <= 0 or y_check <= 0:
-    #
-    #     if image_save_path.startswith("s3://"):
-    #         logger.exception(f"传入图片坐标有误,x1<x0或y1<y0,{s3_img_path}")
-    #         return s3_img_path
-    #     else:
-    #         logger.exception(f"传入图片坐标有误,x1<x0或y1<y0,{image_save_path}")
-    #         return image_save_path
+    img_path = join_path(return_path, filename) if return_path is not None else None
 
+    # 新版本生成平铺路径
+    img_hash256_path = f"{compute_sha256(img_path)}.jpg"
 
     # 将坐标转换为fitz.Rect对象
     rect = fitz.Rect(*bbox)
@@ -47,41 +31,11 @@ def cut_image(bbox: Tuple, page_num: int, page: fitz.Page, save_parent_path: str
     # 截取图片
     pix = page.get_pixmap(clip=rect, matrix=zoom)
 
-    if save_parent_path.startswith("s3://"):
-        if not upload_switch:
-            pass
-        else:
-            """图片保存到s3"""
-            # 从save_parent_path获取bucket_name
-            bucket_name, bucket_key = parse_bucket_key(save_parent_path)
-            # 平铺路径赋值给bucket_key
-            bucket_key = s3_img_hash256_path
-
-            # 将字节流上传到s3
-            byte_data = pix.tobytes(output='jpeg', jpg_quality=95)
-            file_obj = io.BytesIO(byte_data)
-            if img_s3_client is not None:
-                img_s3_client.upload_fileobj(file_obj, bucket_name, bucket_key)
-                # 每个图片上传任务都创建一个新的client
-                # img_s3_client_once = get_s3_client(image_save_path)
-                # img_s3_client_once.upload_fileobj(file_obj, bucket_name, bucket_key)
-            else:
-                logger.exception("must input img_s3_client")
-        # return s3_img_path # 早期版本要求返回不带bucket的路径
-        s3_image_save_path = f"s3://{bucket_name}/{s3_img_hash256_path}"  # 新版本返回平铺的s3路径
-        return s3_image_save_path
-    else:
-        # 保存图片到本地
-        # 先检查一下image_save_path的父目录是否存在,如果不存在,就创建
-        local_image_save_path = join_path(save_parent_path, filename)
-        parent_dir = os.path.dirname(local_image_save_path)
-        if not os.path.exists(parent_dir):
-            os.makedirs(parent_dir)
-        pix.save(local_image_save_path, jpg_quality=95)
-        # 为了直接能在markdown里看,这里把地址改为相对于mardown的地址
-        pth = Path(local_image_save_path)
-        local_image_save_path = f"{pth.parent.name}/{pth.name}"
-        return local_image_save_path
+    byte_data = pix.tobytes(output='jpeg', jpg_quality=95)
+
+    imageWriter.write(data=byte_data, path=img_hash256_path, mode="binary")
+
+    return img_hash256_path
 
 
 def save_images_by_bboxes(book_name: str, page_num: int, page: fitz.Page, save_path: str,

+ 4 - 51
magic_pdf/pdf_parse_by_ocr.py

@@ -1,15 +1,7 @@
-import json
-import os
 import time
-
 from loguru import logger
-
-from magic_pdf.libs.draw_bbox import draw_layout_bbox, draw_text_bbox
 from magic_pdf.libs.commons import (
-    read_file,
-    join_path,
     fitz,
-    get_img_s3_client,
     get_delta_time,
     get_docx_model_output,
 )
@@ -17,7 +9,6 @@ from magic_pdf.libs.coordinate_transform import get_scale_ratio
 from magic_pdf.libs.drop_tag import DropTag
 from magic_pdf.libs.hash_utils import compute_md5
 from magic_pdf.libs.ocr_content_type import ContentType
-from magic_pdf.libs.safe_filename import sanitize_filename
 from magic_pdf.para.para_split import para_split
 from magic_pdf.pre_proc.construct_page_dict import ocr_construct_page_component
 from magic_pdf.pre_proc.detect_footer_by_model import parse_footers
@@ -39,38 +30,16 @@ from magic_pdf.pre_proc.remove_bbox_overlap import remove_overlap_between_bbox
 def parse_pdf_by_ocr(
         pdf_bytes,
         pdf_model_output,
-        save_path,
-        book_name="",
-        pdf_model_profile=None,
-        image_s3_config=None,
+        imageWriter,
         start_page_id=0,
         end_page_id=None,
         debug_mode=False,
 ):
     pdf_bytes_md5 = compute_md5(pdf_bytes)
-    save_tmp_path = os.path.join(os.path.dirname(__file__), "../..", "tmp", "unittest")
-    md_bookname_save_path = ""
-    if debug_mode:
-        book_name = sanitize_filename(book_name)
-        save_path = join_path(save_tmp_path, "md")
-        pdf_local_path = join_path(save_tmp_path, "download-pdfs", book_name)
-
-        if not os.path.exists(os.path.dirname(pdf_local_path)):
-            # 如果目录不存在,创建它
-            os.makedirs(os.path.dirname(pdf_local_path))
-
-        md_bookname_save_path = join_path(save_tmp_path, "md", book_name)
-        if not os.path.exists(md_bookname_save_path):
-            # 如果目录不存在,创建它
-            os.makedirs(md_bookname_save_path)
-
-        with open(pdf_local_path + ".pdf", "wb") as pdf_file:
-            pdf_file.write(pdf_bytes)
 
     pdf_docs = fitz.open("pdf", pdf_bytes)
     # 初始化空的pdf_info_dict
     pdf_info_dict = {}
-    img_s3_client = get_img_s3_client(save_path, image_s3_config)
 
     start_time = time.time()
 
@@ -92,16 +61,14 @@ def parse_pdf_by_ocr(
 
         # 获取当前页的模型数据
         ocr_page_info = get_docx_model_output(
-            pdf_model_output, pdf_model_profile, page_id
+            pdf_model_output, page_id
         )
 
         """从json中获取每页的页码、页眉、页脚的bbox"""
         page_no_bboxes = parse_pageNos(page_id, page, ocr_page_info)
         header_bboxes = parse_headers(page_id, page, ocr_page_info)
         footer_bboxes = parse_footers(page_id, page, ocr_page_info)
-        footnote_bboxes = parse_footnotes_by_model(
-            page_id, page, ocr_page_info, md_bookname_save_path, debug_mode=debug_mode
-        )
+        footnote_bboxes = parse_footnotes_by_model(page_id, page, ocr_page_info, debug_mode=debug_mode)
 
         # 构建需要remove的bbox字典
         need_remove_spans_bboxes_dict = {
@@ -180,9 +147,7 @@ def parse_pdf_by_ocr(
         spans, dropped_spans_by_removed_bboxes = remove_spans_by_bboxes_dict(spans, need_remove_spans_bboxes_dict)
 
         '''对image和table截图'''
-        if book_name == "":
-            book_name = pdf_bytes_md5
-        spans = cut_image_and_table(spans, page, page_id, book_name, save_path, img_s3_client)
+        spans = cut_image_and_table(spans, page, page_id, pdf_bytes_md5, imageWriter)
 
         '''行内公式调整, 高度调整至与同行文字高度一致(优先左侧, 其次右侧)'''
         displayed_list = []
@@ -245,16 +210,4 @@ def parse_pdf_by_ocr(
     """分段"""
     para_split(pdf_info_dict, debug_mode=debug_mode)
 
-    '''在测试时,保存调试信息'''
-    if debug_mode:
-        params_file_save_path = join_path(
-            save_tmp_path, "md", book_name, "preproc_out.json"
-        )
-        with open(params_file_save_path, "w", encoding="utf-8") as f:
-            json.dump(pdf_info_dict, f, ensure_ascii=False, indent=4)
-
-        # drow_bbox
-        draw_layout_bbox(pdf_info_dict, pdf_bytes, md_bookname_save_path)
-        draw_text_bbox(pdf_info_dict, pdf_bytes, md_bookname_save_path)
-
     return pdf_info_dict

+ 22 - 20
magic_pdf/pdf_parse_by_txt.py

@@ -73,13 +73,8 @@ paraMergeException_msg = ParaMergeException().message
 def parse_pdf_by_txt(
     pdf_bytes,
     pdf_model_output,
-    save_path,
-    book_name,
-    pdf_model_profile=None,
-    image_s3_config=None,
     start_page_id=0,
     end_page_id=None,
-    junk_img_bojids=[],
     debug_mode=False,
 ):
 
@@ -128,22 +123,29 @@ def parse_pdf_by_txt(
         # 对单页面非重复id的img数量做统计,如果当前页超过1500则直接return need_drop
         """
         page_imgs = page.get_images()
-        img_counts = 0
-        for img in page_imgs:
-            img_bojid = img[0]
-            if img_bojid in junk_img_bojids:  # 判断这个图片在不在junklist中
-                continue  # 如果在junklist就不用管了,跳过
-            else:
-                recs = page.get_image_rects(img, transform=True)
-                if recs:  # 如果这张图在当前页面有展示
-                    img_counts += 1
-        if img_counts >= 1500:  # 如果去除了junkimg的影响,单页img仍然超过1500的话,就排除当前pdf
-            logger.warning(
-                f"page_id: {page_id}, img_counts: {img_counts}, drop this pdf: {book_name}, drop_reason: {DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS}"
-            )
+
+        # 去除对junkimg的依赖,简化逻辑
+        if len(page_imgs) > 1500:  # 如果当前页超过1500张图片,直接跳过
+            logger.warning(f"page_id: {page_id}, img_counts: {len(page_imgs)}, drop this pdf: {book_name}")
             result = {"need_drop": True, "drop_reason": DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS}
             if not debug_mode:
                 return result
+        # img_counts = 0
+        # for img in page_imgs:
+        #     img_bojid = img[0]
+        #     if img_bojid in junk_img_bojids:  # 判断这个图片在不在junklist中
+        #         continue  # 如果在junklist就不用管了,跳过
+        #     else:
+        #         recs = page.get_image_rects(img, transform=True)
+        #         if recs:  # 如果这张图在当前页面有展示
+        #             img_counts += 1
+        # if img_counts >= 1500:  # 如果去除了junkimg的影响,单页img仍然超过1500的话,就排除当前pdf
+        #     logger.warning(
+        #         f"page_id: {page_id}, img_counts: {img_counts}, drop this pdf: {book_name}, drop_reason: {DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS}"
+        #     )
+        #     result = {"need_drop": True, "drop_reason": DropReason.HIGH_COMPUTATIONAL_lOAD_BY_IMGS}
+        #     if not debug_mode:
+        #         return result
 
         """
         ==================================================================================================================================
@@ -154,10 +156,10 @@ def parse_pdf_by_txt(
             "dict",
             flags=fitz.TEXTFLAGS_TEXT,
         )["blocks"]
-        model_output_json = get_docx_model_output(pdf_model_output, pdf_model_profile, page_id)
+        model_output_json = get_docx_model_output(pdf_model_output, page_id)
 
         # 解析图片
-        image_bboxes = parse_images(page_id, page, model_output_json, junk_img_bojids)
+        image_bboxes = parse_images(page_id, page, model_output_json)
         image_bboxes = fix_image_vertical(image_bboxes, text_raw_blocks)  # 修正图片的位置
         image_bboxes = fix_seperated_image(image_bboxes)  # 合并有边重合的图片
         image_bboxes = include_img_title(text_raw_blocks, image_bboxes)  # 向图片上方和下方寻找title,使用规则进行匹配,暂时只支持英文规则

+ 1 - 2
magic_pdf/pdf_parse_for_train.py

@@ -112,7 +112,6 @@ def parse_pdf_for_train(
     pdf_model_output,
     save_path,
     book_name,
-    pdf_model_profile=None,
     image_s3_config=None,
     start_page_id=0,
     end_page_id=None,
@@ -200,7 +199,7 @@ def parse_pdf_for_train(
             flags=fitz.TEXTFLAGS_TEXT,
         )["blocks"]
         model_output_json = get_docx_model_output(
-            pdf_model_output, pdf_model_profile, page_id
+            pdf_model_output, page_id
         )
 
         # 解析图片

+ 1 - 1
magic_pdf/pre_proc/detect_footnote.py

@@ -3,7 +3,7 @@ from magic_pdf.libs.commons import fitz             # pyMuPDF库
 from magic_pdf.libs.coordinate_transform import get_scale_ratio
 
 
-def parse_footnotes_by_model(page_ID: int, page: fitz.Page, json_from_DocXchain_obj: dict, md_bookname_save_path, debug_mode=False):
+def parse_footnotes_by_model(page_ID: int, page: fitz.Page, json_from_DocXchain_obj: dict, md_bookname_save_path=None, debug_mode=False):
     """
     :param page_ID: int类型,当前page在当前pdf文档中是第page_D页。
     :param page :fitz读取的当前页的内容

+ 5 - 10
magic_pdf/pre_proc/ocr_cut_image.py

@@ -3,21 +3,16 @@ from magic_pdf.libs.ocr_content_type import ContentType
 from magic_pdf.libs.pdf_image_tools import cut_image
 
 
-def cut_image_and_table(spans, page, page_id, book_name, save_path, img_s3_client):
+def cut_image_and_table(spans, page, page_id, pdf_bytes_md5, imageWriter):
 
-    """spark环境book_name为pdf_bytes_md5,本地环境会传正常bookname"""
-
-    def s3_return_path(type):
-        return join_path(book_name, type)
-
-    def img_save_path(type):
-        return join_path(save_path, s3_return_path(type))
+    def return_path(type):
+        return join_path(pdf_bytes_md5, type)
 
     for span in spans:
         span_type = span['type']
         if span_type == ContentType.Image:
-            span['image_path'] = cut_image(span['bbox'], page_id, page, img_save_path('images'), s3_return_path=s3_return_path('images'), img_s3_client=img_s3_client)
+            span['image_path'] = cut_image(span['bbox'], page_id, page, return_path=return_path('images'), imageWriter=imageWriter)
         elif span_type == ContentType.Table:
-            span['image_path'] = cut_image(span['bbox'], page_id, page, img_save_path('tables'), s3_return_path=s3_return_path('tables'), img_s3_client=img_s3_client)
+            span['image_path'] = cut_image(span['bbox'], page_id, page, return_path=return_path('tables'), imageWriter=imageWriter)
 
     return spans