817 lines
37 KiB
Python
817 lines
37 KiB
Python
import logging
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from PyPDF2 import PdfReader, PdfWriter
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import re # 导入正则表达式库
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import os # 用于文件和文件夹操作
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from flask_app.general.format_change import docx2pdf
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from flask_app.general.merge_pdfs import merge_and_cleanup,merge_pdfs
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import concurrent.futures
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def get_global_logger(unique_id):
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if unique_id is None:
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return logging.getLogger() # 获取默认的日志器
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logger = logging.getLogger(unique_id)
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return logger
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logger = None
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def clean_page_content(text, common_header):
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# 首先删除抬头公共部分
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if common_header: # 确保有公共抬头才进行替换
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for header_line in common_header.split('\n'):
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if header_line.strip(): # 只处理非空行
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# 替换首次出现的完整行
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text = re.sub(r'^' + re.escape(header_line.strip()) + r'\n?', '', text, count=1)
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# 删除页码 eg:89/129 这个代码分三步走可以把89/129完全删除
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text = re.sub(r'^\s*\d+\s*(?=\D)', '', text) # 删除开头的页码，仅当紧跟非数字字符时
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text = re.sub(r'\s+\d+\s*$', '', text) # 删除结尾的页码
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text = re.sub(r'\s*\/\s*\d+\s*', '', text) # 删除形如 /129 的页码
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text = re.sub(r'\s*[—-]\s*\d+\s*[—-]\s*', '', text) # 删除形如 '—2—' 或 '-2-' 的页码
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return text
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# PYPDF2版本
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def extract_common_header(pdf_path):
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from PyPDF2 import PdfReader
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pdf_document = PdfReader(pdf_path)
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headers = []
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total_pages = len(pdf_document.pages)
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# 确定要读取的页数和起始页
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if total_pages == 2:
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pages_to_read = 2
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start_page = 0
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else:
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pages_to_read = 3
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middle_page = total_pages // 2
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start_page = max(0, middle_page - 1)
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for i in range(start_page, min(start_page + pages_to_read, total_pages)):
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page = pdf_document.pages[i]
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text = page.extract_text() or ""
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if text:
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# 只取每页的前三行
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first_lines = text.strip().split('\n')[:3]
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headers.append(first_lines)
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if len(headers) < 2:
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return "" # 如果没有足够的页来比较，返回空字符串
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# 寻找每一行中的公共部分，按顺序保留
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common_headers = []
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for lines in zip(*headers):
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# 提取第一行的词汇顺序
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first_words = lines[0].split()
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# 筛选所有页面都包含的词汇，保持顺序
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common_line = [word for word in first_words if all(word in line.split() for line in lines[1:])]
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if common_line:
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common_headers.append(' '.join(common_line))
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return '\n'.join(common_headers)
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# fitz库版本
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# def extract_common_header(pdf_path):
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# doc = fitz.open(pdf_path)
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# headers = []
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# total_pages = len(doc)
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#
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# if total_pages == 2:
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# pages_to_read = 2
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# start_page = 0
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# else:
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# pages_to_read = 3
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# middle_page = total_pages // 2
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# start_page = max(0, middle_page - 1)
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#
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# for i in range(start_page, min(start_page + pages_to_read, total_pages)):
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# page = doc[i]
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# text = page.get_text()
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# if text:
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# first_lines = text.strip().split('\n')[:3]
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# headers.append(first_lines)
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#
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# doc.close()
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#
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# if len(headers) < 2:
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# return ""
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#
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# common_headers = []
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# for lines in zip(*headers):
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# common_line = set(lines[0].split()).intersection(*[set(line.split()) for line in lines[1:]])
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# if common_line:
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# common_headers.append(' '.join(common_line))
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#
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# return '\n'.join(common_headers)
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def is_pdf_or_doc(filename):
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# 判断文件是否为PDF或Word文档
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return filename.lower().endswith(('.pdf', '.doc', '.docx'))
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def convert_to_pdf(file_path):
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# 假设 docx2pdf 函数已经被定义，这里仅根据文件扩展名来决定是否需要转换
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if file_path.lower().endswith(('.doc', '.docx')):
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return docx2pdf(file_path)
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return file_path
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def process_files(file_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix):
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pdf_path = convert_to_pdf(file_path)
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result = extract_pages(pdf_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix)
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if result:
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if output_suffix == "tobidders_notice":
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# 确保返回的是元组，并将其中的 None 转换为 ""
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path1, path2 = result
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return (path1 or "", path2 or "")
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elif output_suffix == "qualification1":
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merge_and_cleanup(result, "qualification3")
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return result or ""
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return result or ""
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return "" # 返回空字符串
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def process_input(input_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix):
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if not os.path.exists(output_folder):
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os.makedirs(output_folder)
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generated_files = []
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if os.path.isdir(input_path):
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for file_name in os.listdir(input_path):
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file_path = os.path.join(input_path, file_name)
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if is_pdf_or_doc(file_path):
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result = process_files(file_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix)
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if isinstance(result, tuple):
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generated_files.extend([f if f else "" for f in result]) # 保留空字符串
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else:
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generated_files.append(result) # 直接添加result，可能是空字符串
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elif os.path.isfile(input_path) and is_pdf_or_doc(input_path):
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result = process_files(input_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix)
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if isinstance(result, tuple):
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generated_files.extend([f if f else "" for f in result]) # 保留空字符串
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else:
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generated_files.append(result) # 直接添加result，可能是空字符串
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else:
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print("提供的路径既不是文件夹也不是PDF文件。")
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return generated_files
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# 默认逻辑是start_page匹配上就不再设置了，一般不匹配上目录的原因是设置了begin_page=5，但是匹配'第一章 招标公告'的时候start_page可能会错误匹配到目录。
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def extract_pages_generic(pdf_document, begin_pattern, end_pattern, begin_page, common_header, exclusion_pattern=None,
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output_suffix="normal"):
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start_page = None
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end_page = None
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for i, page in enumerate(pdf_document.pages):
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text = page.extract_text() or ""
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cleaned_text = clean_page_content(text, common_header)
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if output_suffix == "tobidders_notice":
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if exclusion_pattern and re.search(exclusion_pattern, cleaned_text) and start_page is not None:
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continue
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else:
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if exclusion_pattern and re.search(exclusion_pattern, cleaned_text):
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continue
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if output_suffix == "notice":
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if re.search(begin_pattern, cleaned_text) and i > begin_page:
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start_page = i
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else:
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if start_page is None and re.search(begin_pattern, cleaned_text) and i > begin_page:
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start_page = i
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if start_page is not None and re.search(end_pattern, cleaned_text) and i > start_page:
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end_page = i
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break
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return start_page, end_page
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def extract_pages(pdf_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix):
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try:
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common_header = extract_common_header(pdf_path)
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pdf_document = PdfReader(pdf_path)
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exclusion_pattern = None
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total_pages = len(pdf_document.pages) - 1 # 获取总页数
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if output_suffix == "tobidders_notice":
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exclusion_pattern = re.compile(r'文件的构成|文件的组成|须对应|需对应|须按照|需按照|须根据|需根据')
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start_page, mid_page, end_page = extract_pages_tobidders_notice(
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pdf_document, begin_pattern, begin_page, common_header, exclusion_pattern
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)
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if start_page is None or end_page is None or mid_page is None:
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print(f"first: {output_suffix} 未找到起始或结束页在文件 {pdf_path} 中！尝试备用提取策略。")
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return extract_pages_twice_tobidders_notice(pdf_path, output_folder, output_suffix, common_header)
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path1 = save_extracted_pages(pdf_document, start_page, mid_page, pdf_path, output_folder, "tobidders_notice_part1")
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path2 = save_extracted_pages(pdf_document, mid_page, end_page, pdf_path, output_folder, "tobidders_notice_part2")
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return path1, path2
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else:
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# 原有的处理逻辑保持不变
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if output_suffix == "qualification1":
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exclusion_pattern = re.compile(r'文件的构成|文件的组成|须对应|需对应|须按照|需按照|须根据|需根据')
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start_page, end_page = extract_pages_generic(pdf_document, begin_pattern, end_pattern, begin_page, common_header, exclusion_pattern, output_suffix)
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# 针对 selection = 6 的特殊处理
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if output_suffix == "format":
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if start_page is None:
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print(f"{output_suffix}: 未找到起始页，提取失败！")
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return ""
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if end_page is None:
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# 如果未匹配到结束页，默认截取到文件末尾
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end_page = total_pages
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print(f"{output_suffix}: 未找到结束页，默认截取到文件末尾。")
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return save_extracted_pages(pdf_document, start_page, end_page, pdf_path, output_folder, output_suffix)
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if start_page is None or end_page is None:
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print(f"first: {output_suffix} 未找到起始或结束页在文件 {pdf_path} 中！尝试备用提取策略。")
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return extract_pages_twice(pdf_path, output_folder, output_suffix, common_header)
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elif output_suffix == "qualification1":
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truncate_pdf_main(pdf_path, output_folder, 2, "qualification3") # 合并'资格审查'章节和'评标办法'章节
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return save_extracted_pages(pdf_document, start_page, end_page, pdf_path, output_folder, output_suffix)
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except Exception as e:
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print(f"Error processing {pdf_path}: {e}")
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return ""
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def get_patterns_for_procurement():
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begin_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:服务|项目|商务).*?要求|'
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r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:采购|技术标准).*|'
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r'^[一二三四五六七八九十百千]+、\s*采购清单', re.MULTILINE)
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end_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE)
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return begin_pattern, end_pattern
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def get_patterns_for_evaluation_method():
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begin_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(磋商|谈判|评标|评定|评审)(方法|办法).*', re.MULTILINE)
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end_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE)
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return begin_pattern, end_pattern
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def get_patterns_for_qualification():
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# # 原始匹配逻辑
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# begin_pattern_original = re.compile(
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# r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(资格审查).*', re.MULTILINE)
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# end_pattern_original = re.compile(
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# r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE)
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# 新匹配逻辑
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begin_pattern_new = re.compile(
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r'^资格性检查', re.MULTILINE)
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end_pattern_new = re.compile(
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r'^附件\s*\d+|^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE)
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return begin_pattern_new, end_pattern_new
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def get_patterns_for_qualification2():
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begin_pattern = re.compile(
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r'^(?:附录(?:一|1)?[：:]|附件(?:一|1)?[：:]|附表(?:一|1)?[：:]).*(?:资格|符合性).*$',
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re.MULTILINE
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)
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end_pattern = re.compile(
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r'^(?!.*(?:资格|符合))(?:附录.*?[：:]|附件.*?[：:]|附表.*?[：:]).*$|'
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r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+',
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re.MULTILINE
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)
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return begin_pattern, end_pattern
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def get_patterns_for_notice():
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begin_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:公告|邀请书).*', re.MULTILINE
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)
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end_pattern = re.compile(
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# r'^(?:第[一二三四五六七八九十百千]+(?:章|部分)\s*(?:投标人须知|磋商须知|供应商须知)+|(?:一\s*、\s*)?(?:投标人须知|磋商须知|供应商须知)前附表)',
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r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+',
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re.MULTILINE
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)
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return begin_pattern, end_pattern
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# def extract_pages_tobidders_notice(pdf_document, begin_pattern, end_pattern, begin_page, common_header,
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# exclusion_pattern):
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# start_page = None
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# mid_page = None
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# end_page = None
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# for i, page in enumerate(pdf_document.pages):
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# text = page.extract_text() or ""
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# cleaned_text = clean_page_content(text, common_header)
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# if exclusion_pattern and re.search(exclusion_pattern, cleaned_text) and mid_page is not None:
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# continue
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# if start_page is None and re.search(begin_pattern, cleaned_text) and i > begin_page:
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# start_page = i
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# if start_page is not None and mid_page is None and re.search(
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# r'^\s*[（(]?\s*[一1]\s*[)）]?\s*[、．.]*\s*(说\s*明|总\s*则)', cleaned_text):
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# mid_page = i
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# if start_page is not None and mid_page is not None and re.search(end_pattern, cleaned_text) and i > mid_page:
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# end_page = i
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# break
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# return start_page, mid_page, end_page
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def extract_pages_tobidders_notice(pdf_document, begin_pattern, begin_page, common_header, exclusion_pattern):
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def run_extraction():
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start_page = None
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mid_page = None
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end_page = None
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chapter_type = None # 用于存储“章”或“部分”
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for i, page in enumerate(pdf_document.pages):
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text = page.extract_text() or ""
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cleaned_text = clean_page_content(text, common_header)
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if exclusion_pattern and re.search(exclusion_pattern, cleaned_text) and mid_page is not None:
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continue
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if start_page is None:
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match = re.search(begin_pattern, cleaned_text)
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if match and i > begin_page:
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start_page = i
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matched_text = match.group(0) # 获取整个匹配的文本
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if '章' in matched_text:
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chapter_type = '章'
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elif '部分' in matched_text:
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chapter_type = '部分'
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else:
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chapter_type = None # 未匹配到“章”或“部分”
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if chapter_type:
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# 根据 chapter_type 动态生成 end_pattern
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end_pattern = re.compile(
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rf'^第[一二三四五六七八九十百千]+?(?:{chapter_type})\s*[\u4e00-\u9fff]+',
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re.MULTILINE
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)
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# print(f"动态生成的 end_pattern: {end_pattern.pattern}") # 打印生成的 end_pattern
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# 根据 chapter_type 动态生成 additional_mid_pattern
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if chapter_type == '章':
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additional_mid_pattern = r'^第[一二三四五六七八九十百千]+?(?:部分)'
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elif chapter_type == '部分':
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additional_mid_pattern = r'^第[一二三四五六七八九十百千]+?(?:章)'
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else:
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additional_mid_pattern = ''
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# 定义基础的 mid_pattern
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base_mid_pattern = r'^\s*(?:[（(]\s*[一1]?\s*[)）]\s*[、．.]*|[一1][、．.]+|[、．.]+)\s*(说\s*明|总\s*则)'
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# 合并基础模式和额外模式
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if additional_mid_pattern:
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combined_mid_pattern = re.compile(
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rf'(?:{base_mid_pattern})|(?:{additional_mid_pattern})',
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re.MULTILINE
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)
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else:
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combined_mid_pattern = re.compile(
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rf'{base_mid_pattern}',
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re.MULTILINE
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)
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# print(f"生成的 combined_mid_pattern: {combined_mid_pattern.pattern}") # 打印 combined_mid_pattern
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else:
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# 如果未匹配到“章”或“部分”，使用默认的 end_pattern 和 mid_pattern
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end_pattern = re.compile(
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r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+',
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re.MULTILINE
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)
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print(f"使用默认的 end_pattern: {end_pattern.pattern}") # 打印默认的 end_pattern
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||
# 定义基础的 mid_pattern
|
||
base_mid_pattern = r'^\s*(?:[（(]\s*[一1]?\s*[)）]\s*[、．.]*|[一1][、．.]+|[、．.]+)\s*(说\s*明|总\s*则)'
|
||
combined_mid_pattern = re.compile(
|
||
rf'{base_mid_pattern}',
|
||
re.MULTILINE
|
||
)
|
||
print(
|
||
f"使用默认的 combined_mid_pattern: {combined_mid_pattern.pattern}") # 打印默认的 combined_mid_pattern
|
||
|
||
continue
|
||
|
||
if start_page is not None and mid_page is None and combined_mid_pattern:
|
||
if re.search(combined_mid_pattern, cleaned_text):
|
||
mid_page = i
|
||
if start_page is not None and mid_page is not None and chapter_type:
|
||
if re.search(end_pattern, cleaned_text):
|
||
if mid_page is None:
|
||
if i > start_page:
|
||
end_page = i
|
||
break
|
||
else:
|
||
if i > mid_page:
|
||
end_page = i
|
||
break
|
||
|
||
return start_page, mid_page, end_page
|
||
|
||
# 运行提取
|
||
start_page, mid_page, end_page = run_extraction()
|
||
|
||
return start_page, mid_page, end_page
|
||
|
||
|
||
|
||
def extract_pages_twice_tobidders_notice(pdf_path, output_folder, output_suffix, common_header):
|
||
begin_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*(?:(?:投标人?|磋商|供应商|谈判供应商|磋商供应商)须知)+'
|
||
)
|
||
end_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*([\u4e00-\u9fff]+)' # 捕获中文部分
|
||
)
|
||
exclusion_words = ["合同", "评标", "开标","评审","采购","资格"] # 在这里添加需要排除的关键词
|
||
|
||
pdf_document = PdfReader(pdf_path)
|
||
exclusion_pattern = re.compile(r'文件的构成|文件的组成|须对应|需对应|须按照|需按照|须根据|需根据')
|
||
|
||
# 提取第一部分
|
||
start_page1, end_page1 = extract_pages_generic(pdf_document, begin_pattern, end_pattern, -1, common_header)
|
||
if start_page1 is None or end_page1 is None:
|
||
print(f"second: {output_suffix} 未找到起始或结束页在文件 {pdf_path} 中！")
|
||
return "", ""
|
||
|
||
# 保存第一部分的路径
|
||
path1 = save_extracted_pages(pdf_document, start_page1, end_page1, pdf_path, output_folder,
|
||
"tobidders_notice_part1")
|
||
|
||
# 提取第二部分
|
||
start_page2 = end_page1
|
||
|
||
# 检查end_page1页面的内容
|
||
text = pdf_document.pages[end_page1].extract_text() or ""
|
||
cleaned_text = clean_page_content(text, common_header)
|
||
match = end_pattern.search(cleaned_text)
|
||
|
||
if match:
|
||
# 获取匹配到的中文部分
|
||
chapter_title = match.group(1)
|
||
# 检查是否包含排除关键词
|
||
if any(word in chapter_title for word in exclusion_words):
|
||
# 如果包含排除关键词，直接返回相同的路径
|
||
return path1, path1
|
||
|
||
# 如果不包含排除关键词，继续提取第二部分
|
||
_, end_page2 = extract_pages_generic(pdf_document, end_pattern, end_pattern, start_page2 - 1, common_header,
|
||
exclusion_pattern)
|
||
|
||
if end_page2 is None:
|
||
print(f"second: {output_suffix} 未找到第二部分的结束页在文件 {pdf_path} 中！")
|
||
return path1, path1
|
||
|
||
# 保存第二部分的路径
|
||
path2 = save_extracted_pages(pdf_document, start_page2, end_page2, pdf_path, output_folder,
|
||
"tobidders_notice_part2")
|
||
|
||
return path1, path2
|
||
|
||
|
||
def extract_pages_twice(pdf_path, output_folder, output_suffix, common_header):
|
||
try:
|
||
exclusion_pattern = re.compile(r'文件的构成|文件的组成|须对应|需对应|须按照|需按照|须根据|需根据')
|
||
pdf_document = PdfReader(pdf_path)
|
||
patterns = None
|
||
begin_page = 0
|
||
start_page = None
|
||
end_page = None
|
||
|
||
if output_suffix == "procurement":
|
||
patterns = [get_patterns_for_procurement()]
|
||
begin_page = 5
|
||
elif output_suffix == "evaluation_method" or output_suffix == "qualification2" or output_suffix == "qualification3":
|
||
patterns = [get_patterns_for_evaluation_method()]
|
||
begin_page = 5
|
||
elif output_suffix == "qualification1":
|
||
patterns = [get_patterns_for_qualification(),get_patterns_for_qualification2()]
|
||
begin_page = 5
|
||
elif output_suffix == "notice":
|
||
patterns = [get_patterns_for_notice()]
|
||
begin_page = 0
|
||
|
||
if patterns:
|
||
for pattern_pair in patterns:
|
||
# print(pattern_pair[0])
|
||
# print(pattern_pair[1])
|
||
start_page, end_page = extract_pages_generic(pdf_document, pattern_pair[0], pattern_pair[1], begin_page,
|
||
common_header,
|
||
exclusion_pattern, output_suffix)
|
||
if start_page is not None and end_page is not None:
|
||
break
|
||
|
||
if start_page is None or end_page is None:
|
||
if output_suffix == "qualification1":
|
||
print(f"second: {output_suffix} 未找到起始或结束页在文件 {pdf_path} 中！")
|
||
print("third:尝试提取评分办法章节...")
|
||
temp = truncate_pdf_main(pdf_path, output_folder, 2, "qualification2")
|
||
if len(temp) > 0:
|
||
return temp[0]
|
||
else:
|
||
return ""
|
||
else:
|
||
print(f"second: {output_suffix} 未找到起始或结束页在文件 {pdf_path} 中！")
|
||
return ""
|
||
return save_extracted_pages(pdf_document, start_page, end_page, pdf_path, output_folder, output_suffix)
|
||
except Exception as e:
|
||
print(f"Error in extract_pages_twice: {e}")
|
||
return ""
|
||
|
||
|
||
# def save_extracted_pages(pdf_document, start_page, end_page, pdf_path, output_folder, output_suffix):
|
||
# if output_suffix=='notice':
|
||
# print(start_page)
|
||
# base_file_name = os.path.splitext(os.path.basename(pdf_path))[0]
|
||
# output_pdf_path = os.path.join(output_folder, f"{base_file_name}_{output_suffix}.pdf")
|
||
# output_doc = PdfWriter()
|
||
# for page_num in range(start_page, end_page + 1):
|
||
# output_doc.add_page(pdf_document.pages[page_num])
|
||
# with open(output_pdf_path, 'wb') as f:
|
||
# output_doc.write(f)
|
||
# print(f"{output_suffix} 已截取并保存页面从 {start_page} 到 {end_page} 为 {output_pdf_path}")
|
||
# return output_pdf_path
|
||
|
||
|
||
def save_extracted_pages(pdf_document, start_page, end_page, pdf_path, output_folder, output_suffix):
|
||
try:
|
||
# 检查 start_page 和 end_page 是否为 None
|
||
if start_page is None or end_page is None:
|
||
print("Error: start_page 或 end_page 为 None")
|
||
return ""
|
||
|
||
base_file_name = os.path.splitext(os.path.basename(pdf_path))[0]
|
||
output_pdf_path = os.path.join(output_folder, f"{base_file_name}_{output_suffix}.pdf")
|
||
|
||
if start_page < 0 or end_page >= len(pdf_document.pages) or start_page > end_page:
|
||
print(f"无效的页面范围: {start_page} 到 {end_page}")
|
||
return ""
|
||
|
||
if output_suffix == 'notice' and start_page - 1 >= 0:
|
||
before_pdf_path = os.path.join(output_folder, f"{base_file_name}_before.pdf")
|
||
before_doc = PdfWriter()
|
||
for page_num in range(0, start_page):
|
||
before_doc.add_page(pdf_document.pages[page_num])
|
||
with open(before_pdf_path, 'wb') as f:
|
||
before_doc.write(f)
|
||
print(f"已保存页面从 0 到 {start_page - 1} 为 {before_pdf_path}")
|
||
|
||
output_doc = PdfWriter()
|
||
for page_num in range(start_page, end_page + 1):
|
||
output_doc.add_page(pdf_document.pages[page_num])
|
||
with open(output_pdf_path, 'wb') as f:
|
||
output_doc.write(f)
|
||
print(f"{output_suffix} 已截取并保存页面从 {start_page} 到 {end_page} 为 {output_pdf_path}")
|
||
return output_pdf_path
|
||
except Exception as e:
|
||
print(f"Error in save_extracted_pages: {e}")
|
||
return "" # 返回空字符串
|
||
|
||
|
||
#合并封面+招标公告+投标人须知前附表+须知正文
|
||
def merge_selected_pdfs(output_folder, truncate_files, output_path, base_file_name):
|
||
"""
|
||
合并 output_folder 中以 {base_file_name}_before.pdf 结尾的 PDF 文件，
|
||
以及 truncate_files 中以指定后缀结尾的文件，按照指定顺序合并。
|
||
|
||
参数：
|
||
- output_folder (str): 包含以 {base_file_name}_before.pdf 结尾的 PDF 文件的文件夹路径。
|
||
- truncate_files (list): 包含 PDF 文件路径的列表。
|
||
- output_path (str): 合并后的 PDF 文件保存路径。
|
||
- base_file_name (str): 用于匹配文件名的基础名称。
|
||
- logger (logging.Logger): 日志记录器对象。
|
||
|
||
返回:
|
||
- str: 如果合并成功，返回 output_path；否则，返回空字符串 ""。
|
||
"""
|
||
# 1. 获取 output_folder 中所有文件
|
||
try:
|
||
all_output_files = os.listdir(output_folder)
|
||
except FileNotFoundError:
|
||
print(f"输出文件夹 '{output_folder}' 未找到。")
|
||
return ""
|
||
except PermissionError:
|
||
print(f"没有权限访问输出文件夹 '{output_folder}'。")
|
||
return ""
|
||
|
||
# 2. 定义要选择的文件后缀及合并顺序，包括 before 文件
|
||
desired_suffixes = [
|
||
f'{base_file_name}_before.pdf',
|
||
f'{base_file_name}_notice.pdf',
|
||
f'{base_file_name}_tobidders_notice_part1.pdf',
|
||
f'{base_file_name}_tobidders_notice_part2.pdf'
|
||
]
|
||
|
||
all_pdfs_to_merge = []
|
||
|
||
for suffix in desired_suffixes:
|
||
if suffix == f'{base_file_name}_before.pdf':
|
||
# 从 output_folder 中选择以 {base_file_name}_before.pdf 结尾的文件
|
||
matching_files = [
|
||
os.path.join(output_folder, f)
|
||
for f in all_output_files
|
||
if f.endswith(suffix)
|
||
]
|
||
else:
|
||
# 从 truncate_files 中选择以指定后缀结尾的文件
|
||
matching_files = [f for f in truncate_files if f.endswith(suffix)]
|
||
|
||
if matching_files:
|
||
# 如果找到多个匹配的文件，按名称排序并添加
|
||
matching_files_sorted = sorted(matching_files)
|
||
all_pdfs_to_merge.extend(matching_files_sorted)
|
||
for f in matching_files_sorted:
|
||
print(f"选中文件: {f}")
|
||
else:
|
||
print(f"没有找到以 '{suffix}' 结尾的文件。")
|
||
|
||
print(f"总共将要合并的 PDF 文件数量: {len(all_pdfs_to_merge)}")
|
||
|
||
if not all_pdfs_to_merge:
|
||
print("没有找到要合并的 PDF 文件。")
|
||
return ""
|
||
|
||
# 调用 merge_pdfs 函数进行合并
|
||
merge_pdfs(all_pdfs_to_merge, output_path)
|
||
print(f"已成功合并 PDF 文件到 '{output_path}'。")
|
||
|
||
# 检查合并后的文件是否存在且不为空
|
||
if os.path.exists(output_path) and os.path.getsize(output_path) > 0:
|
||
return output_path
|
||
else:
|
||
print(f"合并失败，没有生成 '{output_path}'。")
|
||
return ""
|
||
|
||
def truncate_pdf_main(input_path, output_folder, selection, output_suffix="default"):
|
||
try:
|
||
if selection == 1: #招标公告
|
||
begin_page = 0
|
||
begin_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:公告|邀请书|邀请函).*'
|
||
)
|
||
end_pattern = re.compile(
|
||
# r'^(?:第[一二三四五六七八九十百千]+(?:章|部分)\s*(?:投标人|磋商|供应商|谈判供应商|磋商供应商)须知+|(?:一\s*、\s*)?(?:投标人|磋商|供应商)须知前附表)'
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE
|
||
)
|
||
local_output_suffix = "notice"
|
||
elif selection == 2:
|
||
begin_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(磋商|谈判|评标|评定|评审)(方法|办法).*'
|
||
)
|
||
begin_page = 5
|
||
end_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+'
|
||
)
|
||
local_output_suffix = "evaluation_method"
|
||
elif selection == 3:
|
||
begin_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(资格审查).*', re.MULTILINE
|
||
)
|
||
begin_page = 5
|
||
end_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE
|
||
)
|
||
local_output_suffix = "qualification1"
|
||
elif selection == 4: # 投标人须知前附表和正文
|
||
begin_page = 1
|
||
begin_pattern = re.compile(
|
||
r'^(?:第[一二三四五六七八九十百千]+(?:章|部分)\s*(?:投标人?|磋商|供应商|谈判供应商|磋商供应商)须知+|(?:一\s*、\s*)?(?:投标人?|磋商|供应商)须知前附表)',
|
||
re.MULTILINE
|
||
)
|
||
end_pattern=None
|
||
# end_pattern = re.compile(
|
||
# r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE
|
||
# )
|
||
local_output_suffix = "tobidders_notice"
|
||
elif selection == 5: #采购需求
|
||
# 更新的正则表达式以匹配"第x章"和"第x部分"，考虑到可能的空格和其他文字
|
||
begin_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:服务|项目|商务).*?要求|'
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?采购.*|'
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?需求.*'
|
||
)
|
||
begin_page = 3
|
||
end_pattern = re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+'
|
||
)
|
||
local_output_suffix = "procurement"
|
||
elif selection==6: #投标文件格式
|
||
begin_page=5
|
||
begin_pattern=re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分).*?(?:格式).*'
|
||
)
|
||
end_pattern=re.compile(
|
||
r'^第[一二三四五六七八九十百千]+(?:章|部分)\s*[\u4e00-\u9fff]+', re.MULTILINE
|
||
)
|
||
local_output_suffix = "format"
|
||
else:
|
||
print("无效的选择:请选择1-5")
|
||
return ['']
|
||
|
||
# 如果传入的 output_suffix 是 'default'，则使用本地生成的 output_suffix
|
||
if output_suffix == "default":
|
||
output_suffix = local_output_suffix
|
||
|
||
# 调用相应的处理函数
|
||
return process_input(input_path, output_folder, begin_pattern, begin_page, end_pattern, output_suffix) or ""
|
||
except Exception as e:
|
||
print(f"Error in truncate_pdf_main: {e}")
|
||
return [''] # 返回空字符串
|
||
|
||
|
||
def truncate_pdf_multiple(pdf_path, output_folder,unique_id="123"):
|
||
global logger
|
||
logger = get_global_logger(unique_id)
|
||
base_file_name = os.path.splitext(os.path.basename(pdf_path))[0]
|
||
truncate_files = []
|
||
|
||
# 定义要处理的选择范围
|
||
selections = range(1, 6)
|
||
|
||
# 使用 ThreadPoolExecutor 进行多线程处理
|
||
with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
|
||
# 提交所有任务并保持 selection 顺序
|
||
future_to_selection = {
|
||
selection: executor.submit(truncate_pdf_main, pdf_path, output_folder, selection, output_suffix="default")
|
||
for selection in selections}
|
||
|
||
# 按 selection 顺序收集结果
|
||
for selection in selections:
|
||
future = future_to_selection.get(selection)
|
||
try:
|
||
files = future.result()
|
||
if files:
|
||
truncate_files.extend(files)
|
||
except Exception as e:
|
||
logger.error(f"Selection {selection} 生成了一个异常: {e}")
|
||
|
||
# 定义合并后的输出路径
|
||
merged_output_path = os.path.join(output_folder, f"{base_file_name}_merged_baseinfo.pdf")
|
||
# 调用 merge_selected_pdfs 并获取返回值
|
||
merged_path = merge_selected_pdfs(output_folder, truncate_files, merged_output_path, base_file_name)
|
||
if merged_path:
|
||
# 合并成功，添加合并后的文件路径
|
||
truncate_files.append(merged_path)
|
||
logger.info(f"已生成合并文件: {merged_output_path}")
|
||
else:
|
||
# 合并失败，添加空字符串
|
||
truncate_files.append("")
|
||
logger.warning(f"合并失败，没有生成合并文件 for {pdf_path}")
|
||
return truncate_files
|
||
|
||
#小解析，只需要前三章内容
|
||
def truncate_pdf_specific_goods(pdf_path, output_folder, selections,unique_id="123"):
|
||
"""
|
||
处理 PDF 文件，选择指定的 selections，并合并结果。
|
||
|
||
Args:
|
||
pdf_path (str): 要处理的 PDF 文件路径。
|
||
output_folder (str): 截取后的文件保存文件夹路径。
|
||
selections (iterable): 要处理的 selection 列表。
|
||
|
||
Returns:
|
||
list: 截取的文件路径列表，包括合并后的文件路径（如果有）。
|
||
"""
|
||
global logger
|
||
logger = get_global_logger(unique_id)
|
||
base_file_name = os.path.splitext(os.path.basename(pdf_path))[0]
|
||
truncate_files = []
|
||
|
||
# 使用 ThreadPoolExecutor 进行多线程处理
|
||
with concurrent.futures.ThreadPoolExecutor(max_workers=len(selections)) as executor:
|
||
# 提交所有任务并保持 selection 顺序
|
||
future_to_selection = {selection: executor.submit(truncate_pdf_main, pdf_path, output_folder, selection, output_suffix="default") for selection in selections}
|
||
|
||
# 按 selection 顺序收集结果
|
||
for selection in selections:
|
||
future = future_to_selection.get(selection)
|
||
try:
|
||
files = future.result()
|
||
if files:
|
||
if isinstance(files, list):
|
||
truncate_files.extend(files)
|
||
elif isinstance(files, str):
|
||
truncate_files.append(files)
|
||
except Exception as e:
|
||
logger.error(f"Selection {selection} 生成了一个异常: {e}")
|
||
|
||
# 定义合并后的输出路径
|
||
merged_output_path = os.path.join(output_folder, f"{base_file_name}_merged_baseinfo.pdf")
|
||
# 调用 merge_selected_pdfs 并获取返回值
|
||
merged_path = merge_selected_pdfs(output_folder, truncate_files, merged_output_path, base_file_name)
|
||
if merged_path:
|
||
# 合并成功，添加合并后的文件路径
|
||
truncate_files.append(merged_path)
|
||
logger.info(f"已生成合并文件: {merged_output_path}")
|
||
else:
|
||
# 合并失败，添加空字符串
|
||
truncate_files.append("")
|
||
logger.warning(f"合并失败，没有生成合并文件 for {pdf_path}")
|
||
|
||
return truncate_files
|
||
|
||
|
||
# TODO:交通智能系统和招标(1)(1)文件有问题 包头 绍兴 资格审查文件可能不需要默认与"evaluation"同一章 无效投标可能也要考虑 “more”的情况，类似工程标
|
||
if __name__ == "__main__":
|
||
# input_path = "C:\\Users\\Administrator\\Desktop\\货物标\\zbfiles\\zbtest4_evaluation_method.pdf"
|
||
# input_path = "C:\\Users\\Administrator\\Desktop\\fsdownload\\b151fcd0-4cd8-49b4-8de3-964057a9e653\\ztbfile.pdf"
|
||
input_path="C:\\Users\\Administrator\\Desktop\\货物标\\zbfiles"
|
||
# input_path = "C:\\Users\\Administrator\\Desktop\\货物标\\output1\\2-招标文件_procurement.pdf"
|
||
# input_path="C:\\Users\\Administrator\\Desktop\\fsdownload\\a091d107-805d-4e28-b8b2-0c7327737238\\ztbfile.pdf"
|
||
# output_folder = "C:\\Users\\Administrator\\Desktop\\fsdownload\\a091d107-805d-4e28-b8b2-0c7327737238\\tmp"
|
||
output_folder="C:\\Users\\Administrator\\Desktop\\货物标\\zbfiles\\新建文件夹"
|
||
# files = truncate_pdf_multiple(input_path, output_folder)
|
||
# selections = [1,4]
|
||
# files=truncate_pdf_specific_goods(input_path,output_folder,selections)
|
||
# print(files)
|
||
selection = 4# 例如：1 - 商务技术服务要求, 2 - 评标办法, 3 - 资格审查后缀有qualification1或qualification2（与评标办法一致） 4.投标人须知前附表part1 投标人须知正文part2 5-公告
|
||
generated_files = truncate_pdf_main(input_path, output_folder, selection)
|
||
# print(generated_files) |