<p>可能您尝试读取的PDF文件的编码尚不受pdfMiner的支持。在</p>
<p>上个月我遇到了一个类似的问题,最后通过使用名为“pdfBox”的java库并从python调用它来解决它。pdfBox库支持我需要的编码,工作起来很有魅力!。在</p>
<p>首先我从<a href="https://pdfbox.apache.org/download.cgi" rel="nofollow noreferrer">official site</a>下载了pdfbox
然后从我的代码中引用.jar文件的路径。在</p>
<p>这里是我使用的代码的简化版本(未测试,但基于我最初测试的代码)。
您将需要subprocess32,您可以通过调用<code>pip install subprocess32</code>来安装它</p>
<pre><code>import subprocess32 as subprocess
import os
import tempfile
def extractPdf(file_path, pdfboxPath, timeout=30, encoding='UTF-8'):
#tempfile = temp_file(data, suffix='.pdf')
try:
command_args = ['java', '-jar', os.path.expanduser(pdfboxPath), 'ExtractText', '-console', '-encoding', encoding, file_path]
status, stdout, stderr = external_process(command_args, timeout=timeout)
except subprocess.TimeoutExpired:
raise RunnableError('PDFBox timed out while processing document')
finally:
pass#os.remove(tempfile)
if status != 0:
raise RunnableError('PDFBox returned error status code {0}.\nPossible error:\n{1}'.format(status, stderr))
# We can use result from PDFBox directly, no manipulation needed
pdf_plain_text = stdout
return pdf_plain_text
def external_process(process_args, input_data='', timeout=None):
process = subprocess.Popen(process_args,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE,
stderr=subprocess.PIPE)
try:
(stdout, stderr) = process.communicate(input_data, timeout)
except subprocess.TimeoutExpired as e:
# cleanup process
# see https://docs.python.org/3.3/library/subprocess.html?highlight=subprocess#subprocess.Popen.communicate
process.kill()
process.communicate()
raise e
exit_status = process.returncode
return (exit_status, stdout, stderr)
def temp_file(data, suffix=''):
handle, file_path = tempfile.mkstemp(suffix=suffix)
f = os.fdopen(handle, 'w')
f.write(data)
f.close()
return file_path
if __name__ == '__main__':
text = extractPdf(filename, 'pdfbox-app-2.0.3.jar')
</code></pre>
<p>在`
这段代码不是完全由我写的。我遵循了其他堆栈溢出答案的建议,但那是一个月前的事了,所以我丢失了原始源代码。如果有人找到我得到这些代码片段的原始帖子,请让我知道,这样我就可以给他们应得的代码学分。在</p>