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63~66行增加语句，判断标题是否以空格结尾
83~85行增加语句，判断选句是否以空格结尾

import os
import timeimport fitzdef find_largest_font_sentence(pdf_path):largest_font_size = 0largest_font_sentence = ''maxsize=0# 打开PDF文件document = fitz.open(pdf_path)for page_number in range(2):page = document.load_page(page_number)blocks = page.get_text("dict")["blocks"]for block in blocks:if "lines" in block:  # 检查是否存在 lines 字段for line in block["lines"]:for span in line["spans"]:if span["size"] > largest_font_size:largest_font_size = span["size"]largest_font_sentence = span["text"]maxsize=largest_font_sizefor block in blocks:if "lines" in block:  # 检查是否存在 lines 字段for line in block["lines"]:for span in line["spans"]:if span["size"] ==maxsize:if largest_font_sentence!=span["text"]:largest_font_sentence = largest_font_sentence+' '+span["text"]#判断largest_font_sentence是否结尾含有空格
#如果有则删掉if largest_font_sentence.endswith(' '):largest_font_sentence = largest_font_sentence.rstrip()if largest_font_sentence.count(' ')<4 or "arXiv" in largest_font_sentence:largest_font_sentence=''largest_font_size=0for block in blocks:if "lines" in block:  # 检查是否存在 lines 字段for line in block["lines"]:for span in line["spans"]:
##判定句子中空格的个数如果大于3就认为它是标题而非期刊名称
##判断句子是否以空格结尾，如果是就删掉空格if span["text"].endswith(''):span["text"] = span["text"].rstrip()if span["size"] > largest_font_size and span["text"].count(' ')>3 and "arXiv" not in span["text"]:largest_font_size = span["size"]largest_font_sentence = span["text"]maxsize = largest_font_sizefor block in blocks:if "lines" in block:  # 检查是否存在 lines 字段for line in block["lines"]:for span in line["spans"]:if span["size"] == maxsize:if largest_font_sentence != span["text"]:largest_font_sentence = largest_font_sentence + ' ' + span["text"]return largest_font_sentence# 用于测试的PDF文件路径def rename_pdfs(directory):failed_files = []  # 记录重命名失败的文件for filename in os.listdir(directory):if filename.endswith(".pdf"):filepath = os.path.join(directory, filename)filepath=filepath.strip()largest_font_sentence = find_largest_font_sentence(filepath)title=largest_font_sentenceif  ":" in title:title = title.replace(":", "：")new_filename = title.strip() + ".pdf"new_filepath = os.path.join(directory, new_filename)try:os.rename(filepath, new_filepath)except FileNotFoundError:failed_files.append(filename)if len(failed_files) > 0:if len(failed_files) > 0:print(f"重命名失败 {len(failed_files)} 个pdf文件:")for file in failed_files:print(file)# 指定包含英文论文PDF的目录路径#比如pdf文件在 D：\学习\论文#那么引号内需要输入的是 D：\\学习\\论文
print("请输入论文的存放目录")
a=input("输入路径")
a=a.replace("\\","/")
pdf_directory = a# 调用函数进行重命名rename_pdfs(pdf_directory)
input("按下回车键可关闭窗口")