NumPy: Get the numpy version and show numpy build configuration
NumPy: Basic Exercise-1 with Solution
Write a NumPy program to get the numpy version and show numpy build configuration.
Sample Solution :
Python Code :
import numpy as np
print(np.__version__)
print(np.show_config())
Sample Output:
lapack_opt_info: library_dirs = ['C:\\projects\\numpy-wheels\\numpy\\build\\openblas'] define_macros = [('HAVE_CBLAS', None)] libraries = ['openblas'] language = f77 blis_info: NOT AVAILABLE blas_opt_info: library_dirs = ['C:\\projects\\numpy-wheels\\numpy\\build\\openblas'] define_macros = [('HAVE_CBLAS', None)] libraries = ['openblas'] language = f77 openblas_lapack_info: library_dirs = ['C:\\projects\\numpy-wheels\\numpy\\build\\openblas'] define_macros = [('HAVE_CBLAS', None)] libraries = ['openblas'] language = f77 openblas_info: library_dirs = ['C:\\projects\\numpy-wheels\\numpy\\build\\openblas'] define_macros = [('HAVE_CBLAS', None)] libraries = ['openblas'] language = f77 blas_mkl_info: NOT AVAILABLE lapack_mkl_info: NOT AVAILABLE None
Python-Numpy Code Editor:
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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