In [2]:

    

import os


def mkfile(filename, body=None):
    with open(filename, 'w') as f:
        f.write(body or filename)
    return


def make_example_dir(top):
    if not os.path.exists(top):
        os.mkdir(top)
    curdir = os.getcwd()
    os.chdir(top)

    os.mkdir('dir1')
    os.mkdir('dir2')

    mkfile('dir1/file_only_in_dir1')
    mkfile('dir2/file_only_in_dir2')

    os.mkdir('dir1/dir_only_in_dir1')
    os.mkdir('dir2/dir_only_in_dir2')

    os.mkdir('dir1/common_dir')
    os.mkdir('dir2/common_dir')

    mkfile('dir1/common_file', 'this file is the same')
    mkfile('dir2/common_file', 'this file is the same')

    mkfile('dir1/not_the_same')
    mkfile('dir2/not_the_same')

    mkfile('dir1/file_in_dir1', 'This is a file in dir1')
    os.mkdir('dir2/file_in_dir1')

    os.chdir(curdir)
    return

os.chdir(os.path.dirname('filecomp.ipynb') or os.getcwd())
make_example_dir('example')
make_example_dir('example/dir1/common_dir')
make_example_dir('example/dir2/common_dir')


    

In [3]:

    

import filecmp

print('common_file :', end=' ')
print(filecmp.cmp('example/dir1/common_file',
                  'example/dir2/common_file'),
      end=' ')
print(filecmp.cmp('example/dir1/common_file',
                  'example/dir2/common_file',
                  shallow=False))

print('not_the_same:', end=' ')
print(filecmp.cmp('example/dir1/not_the_same',
                  'example/dir2/not_the_same'),
      end=' ')
print(filecmp.cmp('example/dir1/not_the_same',
                  'example/dir2/not_the_same',
                  shallow=False))

print('identical   :', end=' ')
print(filecmp.cmp('example/dir1/file_only_in_dir1',
                  'example/dir1/file_only_in_dir1'),
      end=' ')
print(filecmp.cmp('example/dir1/file_only_in_dir1',
                  'example/dir1/file_only_in_dir1',
                  shallow=False))


    

    




common_file : True True
not_the_same: True False
identical   : True True

In [4]:

    

import filecmp
import os

# Determine the items that exist in both directories
d1_contents = set(os.listdir('example/dir1'))
d2_contents = set(os.listdir('example/dir2'))
common = list(d1_contents & d2_contents)
common_files = [
    f
    for f in common
    if os.path.isfile(os.path.join('example/dir1', f))
]
print('Common files:', common_files)

# Compare the directories
match, mismatch, errors = filecmp.cmpfiles(
    'example/dir1',
    'example/dir2',
    common_files,
)
print('Match       :', match)
print('Mismatch    :', mismatch)
print('Errors      :', errors)


    

    




Common files: ['file_in_dir1', 'common_file', 'not_the_same']
Match       : ['common_file', 'not_the_same']
Mismatch    : ['file_in_dir1']
Errors      : []

In [5]:

    

import filecmp

dc = filecmp.dircmp('example/dir1', 'example/dir2')
dc.report()


    

    




diff example/dir1 example/dir2
Only in example/dir1 : ['dir_only_in_dir1', 'file_only_in_dir1']
Only in example/dir2 : ['dir_only_in_dir2', 'file_only_in_dir2']
Identical files : ['common_file', 'not_the_same']
Common subdirectories : ['common_dir']
Common funny cases : ['file_in_dir1']

In [6]:

    

import filecmp

dc = filecmp.dircmp('example/dir1', 'example/dir2')
dc.report_full_closure()


    

    




diff example/dir1 example/dir2
Only in example/dir1 : ['dir_only_in_dir1', 'file_only_in_dir1']
Only in example/dir2 : ['dir_only_in_dir2', 'file_only_in_dir2']
Identical files : ['common_file', 'not_the_same']
Common subdirectories : ['common_dir']
Common funny cases : ['file_in_dir1']

diff example/dir1/common_dir example/dir2/common_dir
Common subdirectories : ['dir1', 'dir2']

diff example/dir1/common_dir/dir1 example/dir2/common_dir/dir1
Identical files : ['common_file', 'file_in_dir1', 'file_only_in_dir1', 'not_the_same']
Common subdirectories : ['common_dir', 'dir_only_in_dir1']

diff example/dir1/common_dir/dir1/common_dir example/dir2/common_dir/dir1/common_dir

diff example/dir1/common_dir/dir1/dir_only_in_dir1 example/dir2/common_dir/dir1/dir_only_in_dir1

diff example/dir1/common_dir/dir2 example/dir2/common_dir/dir2
Identical files : ['common_file', 'file_only_in_dir2', 'not_the_same']
Common subdirectories : ['common_dir', 'dir_only_in_dir2', 'file_in_dir1']

diff example/dir1/common_dir/dir2/common_dir example/dir2/common_dir/dir2/common_dir

diff example/dir1/common_dir/dir2/dir_only_in_dir2 example/dir2/common_dir/dir2/dir_only_in_dir2

diff example/dir1/common_dir/dir2/file_in_dir1 example/dir2/common_dir/dir2/file_in_dir1

In [7]:

    

import filecmp
import pprint

dc = filecmp.dircmp('example/dir1', 'example/dir2')
print('Left:')
pprint.pprint(dc.left_list)

print('\nRight:')
pprint.pprint(dc.right_list)


    

    




Left:
['common_dir',
 'common_file',
 'dir_only_in_dir1',
 'file_in_dir1',
 'file_only_in_dir1',
 'not_the_same']

Right:
['common_dir',
 'common_file',
 'dir_only_in_dir2',
 'file_in_dir1',
 'file_only_in_dir2',
 'not_the_same']

In [8]:

    

import filecmp
import pprint

dc = filecmp.dircmp('example/dir1', 'example/dir2',
                    ignore=['common_file'])

print('Left:')
pprint.pprint(dc.left_list)

print('\nRight:')
pprint.pprint(dc.right_list)


    

    




Left:
['common_dir',
 'dir_only_in_dir1',
 'file_in_dir1',
 'file_only_in_dir1',
 'not_the_same']

Right:
['common_dir',
 'dir_only_in_dir2',
 'file_in_dir1',
 'file_only_in_dir2',
 'not_the_same']

In [9]:

    

import filecmp
import pprint

dc = filecmp.dircmp('example/dir1', 'example/dir2')
print('Common:')
pprint.pprint(dc.common)

print('\nLeft:')
pprint.pprint(dc.left_only)

print('\nRight:')
pprint.pprint(dc.right_only)


    

    




Common:
['common_dir', 'common_file', 'file_in_dir1', 'not_the_same']

Left:
['dir_only_in_dir1', 'file_only_in_dir1']

Right:
['dir_only_in_dir2', 'file_only_in_dir2']

In [10]:

    

import filecmp
import pprint

dc = filecmp.dircmp('example/dir1', 'example/dir2')
print('Common:')
pprint.pprint(dc.common)

print('\nDirectories:')
pprint.pprint(dc.common_dirs)

print('\nFiles:')
pprint.pprint(dc.common_files)

print('\nFunny:')
pprint.pprint(dc.common_funny)


    

    




Common:
['common_dir', 'common_file', 'file_in_dir1', 'not_the_same']

Directories:
['common_dir']

Files:
['common_file', 'not_the_same']

Funny:
['file_in_dir1']