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# -*- coding: utf-8 -*-import random import hashlib import sys import importlib importlib.reload(sys) import timefrom pdfminer.pdfparser import PDFParser from pdfminer.pdfdocument import PDFDocument from pdfminer.pdfpage import PDFTextExtractionNotAllowed from pdfminer.pdfpage import PDFPagefrom pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter from pdfminer.converter import PDFPageAggregator from pdfminer.layout import *#**********翻譯部分******************** def fanyi(query):import http.clientimport hashlibimport urllibimport randomimport jsonappid = '' # !!!!補充secretKey = '' # !!!!補充httpClient = Nonemyurl = '/api/trans/vip/translate'q = queryfromLang = 'auto'toLang = 'zh'salt = random.randint(32768, 65536)sign = appid + q + str(salt) + secretKeym1 = hashlib.md5()m1.update(sign.encode())sign = m1.hexdigest()myurl = myurl + '?appid=' + appid + '&q=' + urllib.parse.quote(q) + '&from=' + fromLang + '&to=' + toLang + '&salt=' + str(salt) + '&sign=' + sign# print(urllib.parse.quote(q))try:httpClient = http.client.HTTPConnection('api.fanyi.baidu.com')httpClient.request('GET', myurl)# response是HTTPResponse對象response = httpClient.getresponse()html = response.read() # bytes# print("html: ",type(html),html)html_str = html.decode() # bytes to str# print("html_str: ",type(html_str),html_str)html_dict = json.loads(html_str) # str to dict# print("html_dist: ",type(html_dict),html_str)# result_ori = html_dict["trans_result"][0]["src"]# result_tar = html_dict["trans_result"][0]["dst"]# print(html_dict["trans_result"])result_tar = ''for i in html_dict["trans_result"]:result_tar += i["dst"]# print(result_ori, " --> ", result_tar)print("翻譯文本: " + result_tar)print("*" * 100)return result_tarexcept Exception as e:print(e)return ''finally:if httpClient:httpClient.close()''' 解析pdf文件，獲取文件中包含的各種對象 '''# 解析pdf文件函數(shù) def parse(pdf_path):textName = pdf_path.split('\\')[-1].split('.')[0] + '.txt'fp = open(pdf_path, 'rb') # 以二進制讀模式打開# 用文件對象來創(chuàng)建一個pdf文檔分析器parser = PDFParser(fp)# 創(chuàng)建一個PDF文檔doc = PDFDocument(parser)# 連接分析器 與文檔對象# parser.set_document(doc)# doc.set_parser(parser)# 提供初始化密碼# 如果沒有密碼 就創(chuàng)建一個空的字符串# doc.initialize()# 檢測文檔是否提供txt轉(zhuǎn)換，不提供就忽略if not doc.is_extractable:raise PDFTextExtractionNotAllowedelse:# 創(chuàng)建PDf 資源管理器 來管理共享資源rsrcmgr = PDFResourceManager()# 創(chuàng)建一個PDF設(shè)備對象laparams = LAParams()device = PDFPageAggregator(rsrcmgr, laparams=laparams)# 創(chuàng)建一個PDF解釋器對象interpreter = PDFPageInterpreter(rsrcmgr, device)# 用來計數(shù)頁面，圖片，曲線，figure，水平文本框等對象的數(shù)量num_page, num_image, num_curve, num_figure, num_TextBoxHorizontal = 0, 0, 0, 0, 0# 循環(huán)遍歷列表，每次處理一個page的內(nèi)容for page in PDFPage.create_pages(doc): # doc.get_pages() 獲取page列表num_page += 1 # 頁面增一print("\r\n>> 當(dāng)前頁：", num_page)interpreter.process_page(page)# 接受該頁面的LTPage對象layout = device.get_result()for x in layout:if isinstance(x,LTImage): # 圖片對象num_image += 1if isinstance(x,LTCurve): # 曲線對象num_curve += 1if isinstance(x,LTFigure): # figure對象num_figure += 1if isinstance(x, LTTextBoxHorizontal): # 獲取文本內(nèi)容num_TextBoxHorizontal += 1 # 水平文本框?qū)ο笤鲆籸esults = x.get_text()print(results.replace('\n', ''))# 保存文本內(nèi)容with open(textName, 'a+', encoding='utf8') as f:results = x.get_text()f.write(results.replace('\n', '') + '\n')print('對象數(shù)量：\n','頁面數(shù)：%s\n'%num_page,'圖片數(shù)：%s\n'%num_image,'曲線數(shù)：%s\n'%num_curve,'水平文本框：%s\n'%num_TextBoxHorizontal)import os if __name__ == '__main__':pdf_path = r'1803.08494.pdf'rootPath = '\\'.join(pdf_path.split('\\')[:-1]) if "\\" in pdf_path else ''textName = pdf_path.split('\\')[-1].split('.')[0] + '.txt'print(">> 當(dāng)前文件：", os.path.join(rootPath, textName))if os.path.exists(os.path.join(rootPath, textName)):print(">> 刪除：", textName)os.remove(os.path.join(rootPath, textName))if os.path.exists(os.path.join(rootPath, "translate.txt")):print(">> 刪除：", "translate.txt")os.remove(os.path.join(rootPath, "translate.txt"))parse(pdf_path)with open(textName, 'r', encoding='utf8') as f:content = f.read()results = content.split('.')for i in results:res = fanyi(i)with open("translate.txt", 'a+', encoding='utf8') as fp:fp.write(res + '\n')time.sleep(1)

運行中：

pdf轉(zhuǎn)txt：

翻譯：

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