Утилиты, встроенные в Python

$ echo "Aladdin:open sesame" | python -m base64 -
QWxhZGRpbjpvcGVuIHNlc2FtZQo=
$ echo QWxhZGRpbjpvcGVuIHNlc2FtZQo= | python -m base64 -d -
Aladdin:open sesame

$ echo test-тест | python3 -m encodings.rot_13
grfg-тест
$ echo grfg-тест | python3 -m encodings.rot_13
test-тест

$ mkdir sub1
$ echo "" > sub1/file
$ echo "sub1-file1" > sub1/file1
$ echo "sub1-file2" > sub1/file2
$ mkdir sub2
$ echo "" > sub2/file
$ echo "sub2-file1" > sub2/file1
$ echo "sub2-file3" > sub2/file3

$ python3 -m filecmp sub1 sub2
diff sub1 sub2
Only in sub1 : ['file2']
Only in sub2 : ['file3']
Identical files : ['file']
Differing files : ['file1']

$ python3 -m ftplib test.rebex.net -l. readme.txt -dpub/example -l.
drwx------ 2 anonymous users          0 Mar 31  2023 pub
-rw------- 1 anonymous users        379 Sep 19  2023 readme.txt
Welcome to test.rebex.net!

You are connected to an FTP or SFTP server used for testing purposes
by Rebex FTP/SSL or Rebex SFTP sample code. Only read access is allowed.

For information about Rebex FTP/SSL, Rebex SFTP and other Rebex libraries
for .NET, please visit our website at https://www.rebex.net/

For feedback and support, contact support@rebex.net

Thanks!
-r-------- 1 anonymous users      19156 Feb 16  2007 imap-console-client.png
-rw------- 1 anonymous users      36672 Mar 19  2007 KeyGenerator.png
-rw------- 1 anonymous users      24029 Mar 19  2007 KeyGeneratorSmall.png
-r-------- 1 anonymous users      16471 Feb 16  2007 mail-editor.png
-r-------- 1 anonymous users      35414 Feb 16  2007 mail-send-winforms.png
-r-------- 1 anonymous users      49011 Feb 16  2007 mime-explorer.png
-rw------- 1 anonymous users      58024 Mar 19  2007 pocketftp.png
-rw------- 1 anonymous users      20197 Mar 19  2007 pocketftpSmall.png
-r-------- 1 anonymous users      20472 Feb 16  2007 pop3-browser.png
-r-------- 1 anonymous users      11205 Feb 16  2007 pop3-console-client.png
-rw------- 1 anonymous users        379 Sep 19  2023 readme.txt
-rw------- 1 anonymous users      11546 Mar 19  2007 ResumableTransfer.png
-rw------- 1 anonymous users       2635 Mar 19  2007 winceclient.png
-rw------- 1 anonymous users       6146 Mar 19  2007 winceclientSmall.png
-rw------- 1 anonymous users      80000 Mar 19  2007 WinFormClient.png
-rw------- 1 anonymous users      17911 Mar 19  2007 WinFormClientSmall.png

$ python3 -m ftplib ftp.taygeta.com pub/Forth/Compilers/native/unix/this4th.zip > this4th.zip

$ python3 -m mimetypes not_exist.jpg
type: image/jpeg encoding: None

$ python3 -m mimetypes -e image/jpeg
.jpg

$ python3 -m platform
OpenBSD-7.5-amd64-64bit-ELF

$ python3 -m inspect inspect:ismodule
def ismodule(object):
    """Return true if the object is a module.

    Module objects provide these attributes:
        __cached__      pathname to byte compiled file
        __doc__         documentation string
        __file__        filename (missing for built-in modules)"""
    return isinstance(object, types.ModuleType)

$ python3 -m inspect -d inspect:ismodule
Target: inspect:ismodule
Origin: /usr/lib/python3.11/inspect.py
Cached: /usr/lib/python3.11/__pycache__/inspect.cpython-311.pyc
Line: 282

$ python3 -m pyclbr /usr/lib/python3.11/pyclbr.py
class _Object [] 53
  def __init__ 55
class Function [<__main__.Class object at 0x7efce054fdd0>] 68
  def __init__ 70
class Class [<__main__.Class object at 0x7efce054fdd0>] 78
  def __init__ 80
def _nest_function 89
def _nest_class 94
def readmodule 100
def readmodule_ex 112
def _readmodule 122
class _ModuleBrowser [<__main__.Class object at 0x7efce0397b10>] 186
  def __init__ 187
  def visit_ClassDef 195
  def visit_FunctionDef 220
  def visit_AsyncFunctionDef 230
  def visit_Import 233
  def visit_ImportFrom 248
def _create_tree 269
def _main 275