In [1]:

    

import os


    

In [2]:

    

filepath = './dir/subdir/filename.ext'


    

In [3]:

    

print(os.sep)


    

    




/

In [4]:

    

print(os.sep is os.path.sep)


    

    




True

In [5]:

    

basename = os.path.basename(filepath)
print(basename)


    

    




filename.ext

In [6]:

    

print(type(basename))


    

    




<class 'str'>

In [7]:

    

basename_without_ext = os.path.splitext(os.path.basename(filepath))[0]
print(basename_without_ext)


    

    




filename

In [8]:

    

filepath_tar_gz = './dir/subdir/filename.tar.gz'


    

In [9]:

    

print(os.path.splitext(os.path.basename(filepath_tar_gz))[0])


    

    




filename.tar

In [10]:

    

print(os.path.basename(filepath_tar_gz).split('.', 1)[0])


    

    




filename

In [11]:

    

dirname = os.path.dirname(filepath)
print(dirname)


    

    




./dir/subdir

In [12]:

    

print(type(dirname))


    

    




<class 'str'>

In [13]:

    

subdirname = os.path.basename(os.path.dirname(filepath))
print(subdirname)


    

    




subdir

In [14]:

    

base_dir_pair = os.path.split(filepath)
print(base_dir_pair)


    

    




('./dir/subdir', 'filename.ext')

In [15]:

    

print(type(base_dir_pair))


    

    




<class 'tuple'>

In [16]:

    

print(os.path.split(filepath)[0] == os.path.dirname(filepath))


    

    




True

In [17]:

    

print(os.path.split(filepath)[1] == os.path.basename(filepath))


    

    




True

In [18]:

    

dirname, basename = os.path.split(filepath)
print(dirname)


    

    




./dir/subdir

In [19]:

    

print(basename)


    

    




filename.ext

In [20]:

    

dirpath_without_sep = './dir/subdir'
print(os.path.split(dirpath_without_sep))


    

    




('./dir', 'subdir')

In [21]:

    

print(os.path.basename(dirpath_without_sep))


    

    




subdir

In [22]:

    

dirpath_with_sep = './dir/subdir/'
print(os.path.split(dirpath_with_sep))


    

    




('./dir/subdir', '')

In [23]:

    

print(os.path.basename(os.path.dirname(dirpath_with_sep)))


    

    




subdir

In [24]:

    

root_ext_pair = os.path.splitext(filepath)
print(root_ext_pair)


    

    




('./dir/subdir/filename', '.ext')

In [25]:

    

print(type(root_ext_pair))


    

    




<class 'tuple'>

In [26]:

    

root, ext = os.path.splitext(filepath)
print(root)


    

    




./dir/subdir/filename

In [27]:

    

print(ext)


    

    




.ext

In [28]:

    

path = root + ext
print(path)


    

    




./dir/subdir/filename.ext

In [29]:

    

other_ext_filepath = os.path.splitext(filepath)[0] + '.jpg'
print(other_ext_filepath)


    

    




./dir/subdir/filename.jpg

In [30]:

    

ext_without_dot = os.path.splitext(filepath)[1][1:]
print(ext_without_dot)


    

    




ext

In [31]:

    

print(os.path.splitext(filepath_tar_gz))


    

    




('./dir/subdir/filename.tar', '.gz')

In [32]:

    

print(filepath_tar_gz.split('.', 1))


    

    




['', '/dir/subdir/filename.tar.gz']

In [33]:

    

dirname, basename = os.path.split(filepath_tar_gz)
basename_without_ext, ext = basename.split('.', 1)
path_without_ext = os.path.join(dirname, basename_without_ext)
print(path_without_ext)


    

    




./dir/subdir/filename

In [34]:

    

print(ext)


    

    




tar.gz

In [35]:

    

ext_with_dot = '.' + ext
print(ext_with_dot)


    

    




.tar.gz

In [36]:

    

path = os.path.join('dir', 'subdir', 'filename.ext')
print(path)


    

    




dir/subdir/filename.ext

In [37]:

    

other_filepath = os.path.join(os.path.dirname(filepath), 'other_file.ext')
print(other_filepath)


    

    




./dir/subdir/other_file.ext