5.11 文件路径名的操作
问题
解决方案
>>> import os
>>> path = '/Users/beazley/Data/data.csv'
>>> # Get the last component of the path
>>> os.path.basename(path)
'data.csv'
>>> # Get the directory name
>>> os.path.dirname(path)
'/Users/beazley/Data'
>>> # Join path components together
>>> os.path.join('tmp', 'data', os.path.basename(path))
'tmp/data/data.csv'
>>> # Expand the user's home directory
>>> path = '~/Data/data.csv'
>>> os.path.expanduser(path)
'/Users/beazley/Data/data.csv'
>>> # Split the file extension
>>> os.path.splitext(path)
('~/Data/data', '.csv')讨论
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