在读取模式下读取pandas中的h5文件时出错

Question

在h5文件中存储了数据框后，我试图在另一个jupyter笔记本中访问该文件但是当在pandas中以读取模式加载h5文件时遇到错误。

我以这种方式阅读文件

data_frames = pd.HDFStore('data_frames.h5', mode='r')

错误：

HDF5ExtError                              Traceback (most recent call last)
~/.conda/envs/be_project/lib/python3.6/site-packages/pandas/io/pytables.py in open(self, mode, **kwargs)
    586         try:
--> 587             self._handle = tables.open_file(self._path, self._mode, **kwargs)
    588         except (IOError) as e:  # pragma: no cover

~/.conda/envs/be_project/lib/python3.6/site-packages/tables/file.py in open_file(filename, mode, title, root_uep, filters, **kwargs)
    319     # Finally, create the File instance, and return it
--> 320     return File(filename, mode, title, root_uep, filters, **kwargs)
    321 

~/.conda/envs/be_project/lib/python3.6/site-packages/tables/file.py in __init__(self, filename, mode, title, root_uep, filters, **kwargs)
    783         # Now, it is time to initialize the File extension
--> 784         self._g_new(filename, mode, **params)
    785 

tables/hdf5extension.pyx in tables.hdf5extension.File._g_new (tables/hdf5extension.c:5940)()

HDF5ExtError: HDF5 error back trace

  File "H5F.c", line 604, in H5Fopen
    unable to open file
  File "H5Fint.c", line 1087, in H5F_open
    unable to read superblock
  File "H5Fsuper.c", line 277, in H5F_super_read
    file signature not found

End of HDF5 error back trace

Unable to open/create file 'data_frames.h5'

During handling of the above exception, another exception occurred:

OSError                                   Traceback (most recent call last)
<ipython-input-2-aa601ba65d4f> in <module>()
----> 1 data_frames = pd.HDFStore('data_frames.h5', mode='r')

~/.conda/envs/be_project/lib/python3.6/site-packages/pandas/io/pytables.py in __init__(self, path, mode, complevel, complib, fletcher32, **kwargs)
    446         self._fletcher32 = fletcher32
    447         self._filters = None
--> 448         self.open(mode=mode, **kwargs)
    449 
    450     @property

~/.conda/envs/be_project/lib/python3.6/site-packages/pandas/io/pytables.py in open(self, mode, **kwargs)
    617             # is not part of IOError, make it one
    618             if self._mode == 'r' and 'Unable to open/create file' in str(e):
--> 619                 raise IOError(str(e))
    620             raise
    621 

OSError: HDF5 error back trace

  File "H5F.c", line 604, in H5Fopen
    unable to open file
  File "H5Fint.c", line 1087, in H5F_open
    unable to read superblock
  File "H5Fsuper.c", line 277, in H5F_super_read
    file signature not found

End of HDF5 error back trace

Unable to open/create file 'data_frames.h5'

请尽可能帮助。