Docs: structure the ftplib reference (#114317)

Introduce the following headings and subheadings:

- Reference
  * FTP objects
  * FTP_TLS objects
  * Module variables
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Erlend E. Aasland 2024-01-20 16:06:52 +01:00 committed by GitHub
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@ -45,7 +45,15 @@ Here's a sample session using the :mod:`ftplib` module::
'221 Goodbye.' '221 Goodbye.'
The module defines the following items: .. _ftplib-reference:
Reference
---------
.. _ftp-objects:
FTP objects
^^^^^^^^^^^
.. class:: FTP(host='', user='', passwd='', acct='', timeout=None, source_address=None, *, encoding='utf-8') .. class:: FTP(host='', user='', passwd='', acct='', timeout=None, source_address=None, *, encoding='utf-8')
@ -85,100 +93,13 @@ The module defines the following items:
The *encoding* parameter was added, and the default was changed from The *encoding* parameter was added, and the default was changed from
Latin-1 to UTF-8 to follow :rfc:`2640`. Latin-1 to UTF-8 to follow :rfc:`2640`.
.. class:: FTP_TLS(host='', user='', passwd='', acct='', *, context=None, Several :class:`!FTP` methods are available in two flavors:
timeout=None, source_address=None, encoding='utf-8') one for handling text files and another for binary files.
The methods are named for the command which is used followed by
A :class:`FTP` subclass which adds TLS support to FTP as described in ``lines`` for the text version or ``binary`` for the binary version.
:rfc:`4217`.
Connect as usual to port 21 implicitly securing the FTP control connection
before authenticating. Securing the data connection requires the user to
explicitly ask for it by calling the :meth:`prot_p` method. *context*
is a :class:`ssl.SSLContext` object which allows bundling SSL configuration
options, certificates and private keys into a single (potentially
long-lived) structure. Please read :ref:`ssl-security` for best practices.
.. versionadded:: 3.2
.. versionchanged:: 3.3
*source_address* parameter was added.
.. versionchanged:: 3.4
The class now supports hostname check with
:attr:`ssl.SSLContext.check_hostname` and *Server Name Indication* (see
:const:`ssl.HAS_SNI`).
.. versionchanged:: 3.9
If the *timeout* parameter is set to be zero, it will raise a
:class:`ValueError` to prevent the creation of a non-blocking socket.
The *encoding* parameter was added, and the default was changed from
Latin-1 to UTF-8 to follow :rfc:`2640`.
.. versionchanged:: 3.12
The deprecated *keyfile* and *certfile* parameters have been removed.
Here's a sample session using the :class:`FTP_TLS` class::
>>> ftps = FTP_TLS('ftp.pureftpd.org')
>>> ftps.login()
'230 Anonymous user logged in'
>>> ftps.prot_p()
'200 Data protection level set to "private"'
>>> ftps.nlst()
['6jack', 'OpenBSD', 'antilink', 'blogbench', 'bsdcam', 'clockspeed', 'djbdns-jedi', 'docs', 'eaccelerator-jedi', 'favicon.ico', 'francotone', 'fugu', 'ignore', 'libpuzzle', 'metalog', 'minidentd', 'misc', 'mysql-udf-global-user-variables', 'php-jenkins-hash', 'php-skein-hash', 'php-webdav', 'phpaudit', 'phpbench', 'pincaster', 'ping', 'posto', 'pub', 'public', 'public_keys', 'pure-ftpd', 'qscan', 'qtc', 'sharedance', 'skycache', 'sound', 'tmp', 'ucarp']
.. exception:: error_reply
Exception raised when an unexpected reply is received from the server.
.. exception:: error_temp
Exception raised when an error code signifying a temporary error (response
codes in the range 400--499) is received.
.. exception:: error_perm
Exception raised when an error code signifying a permanent error (response
codes in the range 500--599) is received.
.. exception:: error_proto
Exception raised when a reply is received from the server that does not fit
the response specifications of the File Transfer Protocol, i.e. begin with a
digit in the range 1--5.
.. data:: all_errors
The set of all exceptions (as a tuple) that methods of :class:`FTP`
instances may raise as a result of problems with the FTP connection (as
opposed to programming errors made by the caller). This set includes the
four exceptions listed above as well as :exc:`OSError` and :exc:`EOFError`.
.. seealso::
Module :mod:`netrc`
Parser for the :file:`.netrc` file format. The file :file:`.netrc` is
typically used by FTP clients to load user authentication information
before prompting the user.
.. _ftp-objects:
FTP Objects
-----------
Several methods are available in two flavors: one for handling text files and
another for binary files. These are named for the command which is used
followed by ``lines`` for the text version or ``binary`` for the binary version.
:class:`FTP` instances have the following methods: :class:`FTP` instances have the following methods:
.. method:: FTP.set_debuglevel(level) .. method:: FTP.set_debuglevel(level)
Set the instance's debugging level. This controls the amount of debugging Set the instance's debugging level. This controls the amount of debugging
@ -424,10 +345,52 @@ followed by ``lines`` for the text version or ``binary`` for the binary version.
connection by issuing another :meth:`login` method). connection by issuing another :meth:`login` method).
FTP_TLS Objects FTP_TLS objects
--------------- ^^^^^^^^^^^^^^^
:class:`FTP_TLS` class inherits from :class:`FTP`, defining these additional objects: .. class:: FTP_TLS(host='', user='', passwd='', acct='', *, context=None,
timeout=None, source_address=None, encoding='utf-8')
A :class:`FTP` subclass which adds TLS support to FTP as described in
:rfc:`4217`.
Connect as usual to port 21 implicitly securing the FTP control connection
before authenticating. Securing the data connection requires the user to
explicitly ask for it by calling the :meth:`prot_p` method. *context*
is a :class:`ssl.SSLContext` object which allows bundling SSL configuration
options, certificates and private keys into a single (potentially
long-lived) structure. Please read :ref:`ssl-security` for best practices.
.. versionadded:: 3.2
.. versionchanged:: 3.3
*source_address* parameter was added.
.. versionchanged:: 3.4
The class now supports hostname check with
:attr:`ssl.SSLContext.check_hostname` and *Server Name Indication* (see
:const:`ssl.HAS_SNI`).
.. versionchanged:: 3.9
If the *timeout* parameter is set to be zero, it will raise a
:class:`ValueError` to prevent the creation of a non-blocking socket.
The *encoding* parameter was added, and the default was changed from
Latin-1 to UTF-8 to follow :rfc:`2640`.
.. versionchanged:: 3.12
The deprecated *keyfile* and *certfile* parameters have been removed.
Here's a sample session using the :class:`FTP_TLS` class::
>>> ftps = FTP_TLS('ftp.pureftpd.org')
>>> ftps.login()
'230 Anonymous user logged in'
>>> ftps.prot_p()
'200 Data protection level set to "private"'
>>> ftps.nlst()
['6jack', 'OpenBSD', 'antilink', 'blogbench', 'bsdcam', 'clockspeed', 'djbdns-jedi', 'docs', 'eaccelerator-jedi', 'favicon.ico', 'francotone', 'fugu', 'ignore', 'libpuzzle', 'metalog', 'minidentd', 'misc', 'mysql-udf-global-user-variables', 'php-jenkins-hash', 'php-skein-hash', 'php-webdav', 'phpaudit', 'phpbench', 'pincaster', 'ping', 'posto', 'pub', 'public', 'public_keys', 'pure-ftpd', 'qscan', 'qtc', 'sharedance', 'skycache', 'sound', 'tmp', 'ucarp']
:class:`!FTP_TLS` class inherits from :class:`FTP`,
defining these additional methods and attributes:
.. attribute:: FTP_TLS.ssl_version .. attribute:: FTP_TLS.ssl_version
@ -458,3 +421,46 @@ FTP_TLS Objects
.. method:: FTP_TLS.prot_c() .. method:: FTP_TLS.prot_c()
Set up clear text data connection. Set up clear text data connection.
Module variables
^^^^^^^^^^^^^^^^
.. exception:: error_reply
Exception raised when an unexpected reply is received from the server.
.. exception:: error_temp
Exception raised when an error code signifying a temporary error (response
codes in the range 400--499) is received.
.. exception:: error_perm
Exception raised when an error code signifying a permanent error (response
codes in the range 500--599) is received.
.. exception:: error_proto
Exception raised when a reply is received from the server that does not fit
the response specifications of the File Transfer Protocol, i.e. begin with a
digit in the range 1--5.
.. data:: all_errors
The set of all exceptions (as a tuple) that methods of :class:`FTP`
instances may raise as a result of problems with the FTP connection (as
opposed to programming errors made by the caller). This set includes the
four exceptions listed above as well as :exc:`OSError` and :exc:`EOFError`.
.. seealso::
Module :mod:`netrc`
Parser for the :file:`.netrc` file format. The file :file:`.netrc` is
typically used by FTP clients to load user authentication information
before prompting the user.