我正在尝试将 PDF 转换为 Python 中的文本。但它给我一个错误:
PDFTextExtractionNotAllowed: Text extraction is not allowed: <_io.BufferedReader name='C:\Users\Downloads\Facts_for_2017.pdf'>
我使用的代码是:
import sys
from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.pdfpage import PDFPage
from pdfminer.converter import XMLConverter, HTMLConverter, TextConverter
from pdfminer.layout import LAParams
import io
def pdfparser(data):
fp = open(data, 'rb')
rsrcmgr = PDFResourceManager()
retstr = io.StringIO()
codec = 'utf-8'
laparams = LAParams()
device = TextConverter(rsrcmgr, retstr, codec=codec, laparams=laparams)
interpreter = PDFPageInterpreter(rsrcmgr, device)
for page in PDFPage.get_pages(fp):
interpreter.process_page(page)
data = retstr.getvalue()
return data
if __name__ == '__main__':
text = pdfparser(Input_path)
谁能帮帮我?
文件路径为:
https://drive.google.com/file/d/1RyR-J-EwMywL6BqsYbl4Ocm96VzCYrM7/view?usp=sharing
最佳答案
问题是 PDFPage.get_pages()
检查文本是否可以按照惯例提取。您必须将标志设置为 check_extractable=False
才能使其正常工作。此外,如果您尝试转换为 txt 的 PDF 受密码保护,您也可以在那里进行更改。不幸的是,PDFPage
的 documentation不是很清楚。
password = ""
for page in PDFPage.get_pages(fp, check_extractable=False, password=password):
interpreter.process_page(page)
data = retstr.getvalue()
您的整个代码如下所示:
import io
from pdfminer.converter import TextConverter
from pdfminer.layout import LAParams
from pdfminer.pdfinterp import PDFPageInterpreter, PDFResourceManager
from pdfminer.pdfpage import PDFPage
def pdfparser(data):
rsrcmgr = PDFResourceManager()
retstr = io.StringIO()
codec = 'utf-8'
laparams = LAParams()
device = TextConverter(rsrcmgr, retstr, codec=codec, laparams=laparams)
interpreter = PDFPageInterpreter(rsrcmgr, device)
password = ""
maxpages = 0
caching = True
pagenos = set()
with open(data, 'rb') as fp:
for page in PDFPage.get_pages(fp,
pagenos,
maxpages=maxpages,
password=password,
caching=caching,
check_extractable=False):
interpreter.process_page(page)
# As pointed out in another answer, this goes outside the loop
text = retstr.getvalue()
device.close()
retstr.close()
return text
注意:Python 的 with open ...:
模式实现对于正确处理文件对象很有用。
关于python - 将 PDF 转换为文本 : "Text extraction is not allowed",我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/54009871/