re.search() 可以跳过整数对象吗？

Question

问题不言自明。我在包含 int 和 str 对象的 Pandas 数据框中有一列。当我尝试使用 re.search() 搜索它时，它无法运行，因为（我相信）某些列包含整数并且它不知道该怎么做。有没有办法解决这个问题？我没有看到忽略错误的论点。

Answer 1

当我尝试运行以下代码时，我不知道如何修复此错误：

df = wrapper.read_pdf(r'C:\End_to_End\1902\PN\Scenario1_AllCorrectMin\EPR.pdf')

日志：

FileNotFoundError                         Traceback (most recent call last)

~\AppData\Local\Continuum\anaconda3\lib\site-packages\tabula\wrapper.py in read_pdf(input_path, output_format, encoding, java_options, pandas_options, multiple_tables, **kwargs)

    107     try:

--> 108         output = subprocess.check_output(args)

    109 

~\AppData\Local\Continuum\anaconda3\lib\subprocess.py in check_output(timeout, *popenargs, **kwargs)

    335     return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,

--> 336                **kwargs).stdout

    337 

~\AppData\Local\Continuum\anaconda3\lib\subprocess.py in run(input, timeout, check, *popenargs, **kwargs)

    402 

--> 403     with Popen(*popenargs, **kwargs) as process:

    404         try:

~\AppData\Local\Continuum\anaconda3\lib\subprocess.py in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors)

    708                                 errread, errwrite,

--> 709                                 restore_signals, start_new_session)

    710         except:

~\AppData\Local\Continuum\anaconda3\lib\subprocess.py in _execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_start_new_session)

    996                                          os.fspath(cwd) if cwd is not None else None,

--> 997                                          startupinfo)

    998             finally:

FileNotFoundError: [WinError 2] The system cannot find the file specified

During handling of the above exception, another exception occurred:

JavaNotFoundError                         Traceback (most recent call last)

<ipython-input-3-010e34a004ec> in <module>()

----> 1 df = wrapper.read_pdf(r'C:\End_to_End\1902\PN\Scenario1_AllCorrectMin\EPR.pdf')

~\AppData\Local\Continuum\anaconda3\lib\site-packages\tabula\wrapper.py in read_pdf(input_path, output_format, encoding, java_options, pandas_options, multiple_tables, **kwargs)

    109 

    110     except FileNotFoundError as e:

--> 111         raise JavaNotFoundError(JAVA_NOT_FOUND_ERROR)

    112 

    113     except subprocess.CalledProcessError as e:

JavaNotFoundError: `java` command is not found from this Python process. Please ensure Java is installed and PATH is set for `java`

我尝试在环境变量中更改和创建路径，但没有奏效。这是屏幕截图：