我在Ubuntu 12.04(32位版本)下使用Anaconda作为
Python发行版并在ipython笔记本中编写,显然创建了一个没有任何问题的HDF5文件.底层数据都是numpy数组.例如,
import numpy as np
import h5py
f = h5py.File('myfile.hdf5','w')
group = f.create_group('a_group')
group.create_dataset(name='matrix', data=np.zeros((10, 10)), chunks=True, compression='gzip')
但是,如果我尝试从新的iypthon笔记本打开此文件,我会收到一条错误消息：
f = h5py.File('myfile.hdf5', "r")
---------------------------------------------------------------------------
IOError Traceback (most recent call last)
in ()
----> 1 f = h5py.File(file_name, "r")
/home/sarah/anaconda/lib/python2.7/site-packages/h5py/_hl/files.pyc in __init__(self, name, mode, driver, libver, userblock_size, **kwds)
220
221 fapl = make_fapl(driver, libver, **kwds)
--> 222 fid = make_fid(name, mode, userblock_size, fapl)
223
224 Group.__init__(self, fid)
/home/sarah/anaconda/lib/python2.7/site-packages/h5py/_hl/files.pyc in make_fid(name, mode, userblock_size, fapl, fcpl)
77
78 if mode == 'r':
---> 79 fid = h5f.open(name, h5f.ACC_RDONLY, fapl=fapl)
80 elif mode == 'r+':
81 fid = h5f.open(name, h5f.ACC_RDWR, fapl=fapl)
/home/sarah/anaconda/lib/python2.7/site-packages/h5py/h5f.so in h5py.h5f.open (h5py/h5f.c:1741)()
IOError: Unable to open file (Unable to find a valid file signature)
你能告诉我丢失的文件签名是什么吗？我创建文件时是否遗漏了什么？
转播
