Using Spyder / Python to Open .npy File
Using Spyder / Python to Open .npy File
*.npy
files are binary files to store numpy arrays. They
are created with
import numpy as np
data = np.random.normal(0, 1, 100)
np.save(data.npy, data)
And read in like
import numpy as np
data = np.load(data.npy)
Given that you asked for Spyder, you need to do two things to import those files:
 Select the pane called
Variable Explorer

Press the import button (shown below), select your
.npy
file and presentOk
.
Then you can work with that file in your current Python or IPython console.
Using Spyder / Python to Open .npy File
.npy
files are binary files.
Do not try to open it with Spyder or any text editor; what you see may not make sense to you.
Instead, load the .npy
file using the numpy
module (reference: http://docs.scipy.org/doc/numpy1.10.1/reference/generated/numpy.load.html).
Code sample:
First, import numpy. If you do not have it, install (heres how: http://docs.scipy.org/doc/numpy/user/install.html)
>>> import numpy as np
Lets set a random numpy array as variable array
.
>>> array = np.random.randint(1,5,10)
>>> print array
[2 3 1 2 2 3 1 2 3 3]
To export to .npy
file, use np.save(FILENAME, OBJECT)
where OBJECT = array
>>> np.save(test.npy, array)
You can load the .npy
file using np.load(FILENAME)
>>> array_loaded = np.load(test.npy)
Lets compare the original array
vs the one loaded from file (array_loaded
)
>>> print Loaded: , array_loaded
Loaded: [2 3 1 2 2 3 1 2 3 3]
>>> print Original:, array
Original: [2 3 1 2 2 3 1 2 3 3]