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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
GitHub
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1 changed files with 300 additions and 294 deletions
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@ -45,7 +45,15 @@ Here's a sample session using the :mod:`ftplib` module::
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'221 Goodbye.'
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The module defines the following items:
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.. _ftplib-reference:
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Reference
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---------
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.. _ftp-objects:
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FTP objects
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^^^^^^^^^^^
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.. class:: FTP(host='', user='', passwd='', acct='', timeout=None, source_address=None, *, encoding='utf-8')
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@ -85,100 +93,13 @@ The module defines the following items:
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The *encoding* parameter was added, and the default was changed from
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Latin-1 to UTF-8 to follow :rfc:`2640`.
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.. class:: FTP_TLS(host='', user='', passwd='', acct='', *, context=None,
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timeout=None, source_address=None, encoding='utf-8')
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A :class:`FTP` subclass which adds TLS support to FTP as described in
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:rfc:`4217`.
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Connect as usual to port 21 implicitly securing the FTP control connection
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before authenticating. Securing the data connection requires the user to
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explicitly ask for it by calling the :meth:`prot_p` method. *context*
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is a :class:`ssl.SSLContext` object which allows bundling SSL configuration
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options, certificates and private keys into a single (potentially
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long-lived) structure. Please read :ref:`ssl-security` for best practices.
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.. versionadded:: 3.2
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.. versionchanged:: 3.3
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*source_address* parameter was added.
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.. versionchanged:: 3.4
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The class now supports hostname check with
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:attr:`ssl.SSLContext.check_hostname` and *Server Name Indication* (see
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:const:`ssl.HAS_SNI`).
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.. versionchanged:: 3.9
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If the *timeout* parameter is set to be zero, it will raise a
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:class:`ValueError` to prevent the creation of a non-blocking socket.
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The *encoding* parameter was added, and the default was changed from
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Latin-1 to UTF-8 to follow :rfc:`2640`.
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.. versionchanged:: 3.12
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The deprecated *keyfile* and *certfile* parameters have been removed.
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Here's a sample session using the :class:`FTP_TLS` class::
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>>> ftps = FTP_TLS('ftp.pureftpd.org')
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>>> ftps.login()
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'230 Anonymous user logged in'
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>>> ftps.prot_p()
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'200 Data protection level set to "private"'
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>>> ftps.nlst()
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['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']
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.. exception:: error_reply
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Exception raised when an unexpected reply is received from the server.
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.. exception:: error_temp
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Exception raised when an error code signifying a temporary error (response
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codes in the range 400--499) is received.
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.. exception:: error_perm
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Exception raised when an error code signifying a permanent error (response
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codes in the range 500--599) is received.
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.. exception:: error_proto
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Exception raised when a reply is received from the server that does not fit
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the response specifications of the File Transfer Protocol, i.e. begin with a
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digit in the range 1--5.
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.. data:: all_errors
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The set of all exceptions (as a tuple) that methods of :class:`FTP`
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instances may raise as a result of problems with the FTP connection (as
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opposed to programming errors made by the caller). This set includes the
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four exceptions listed above as well as :exc:`OSError` and :exc:`EOFError`.
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.. seealso::
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Module :mod:`netrc`
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Parser for the :file:`.netrc` file format. The file :file:`.netrc` is
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typically used by FTP clients to load user authentication information
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before prompting the user.
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.. _ftp-objects:
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FTP Objects
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-----------
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Several methods are available in two flavors: one for handling text files and
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another for binary files. These are named for the command which is used
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followed by ``lines`` for the text version or ``binary`` for the binary version.
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Several :class:`!FTP` methods are available in two flavors:
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one for handling text files and another for binary files.
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The methods are named for the command which is used followed by
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``lines`` for the text version or ``binary`` for the binary version.
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:class:`FTP` instances have the following methods:
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.. method:: FTP.set_debuglevel(level)
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Set the instance's debugging level. This controls the amount of debugging
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@ -424,10 +345,52 @@ followed by ``lines`` for the text version or ``binary`` for the binary version.
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connection by issuing another :meth:`login` method).
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FTP_TLS Objects
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---------------
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FTP_TLS objects
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^^^^^^^^^^^^^^^
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:class:`FTP_TLS` class inherits from :class:`FTP`, defining these additional objects:
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.. class:: FTP_TLS(host='', user='', passwd='', acct='', *, context=None,
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timeout=None, source_address=None, encoding='utf-8')
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A :class:`FTP` subclass which adds TLS support to FTP as described in
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:rfc:`4217`.
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Connect as usual to port 21 implicitly securing the FTP control connection
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before authenticating. Securing the data connection requires the user to
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explicitly ask for it by calling the :meth:`prot_p` method. *context*
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is a :class:`ssl.SSLContext` object which allows bundling SSL configuration
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options, certificates and private keys into a single (potentially
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long-lived) structure. Please read :ref:`ssl-security` for best practices.
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.. versionadded:: 3.2
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.. versionchanged:: 3.3
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*source_address* parameter was added.
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.. versionchanged:: 3.4
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The class now supports hostname check with
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:attr:`ssl.SSLContext.check_hostname` and *Server Name Indication* (see
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:const:`ssl.HAS_SNI`).
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.. versionchanged:: 3.9
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If the *timeout* parameter is set to be zero, it will raise a
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:class:`ValueError` to prevent the creation of a non-blocking socket.
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The *encoding* parameter was added, and the default was changed from
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Latin-1 to UTF-8 to follow :rfc:`2640`.
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.. versionchanged:: 3.12
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The deprecated *keyfile* and *certfile* parameters have been removed.
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Here's a sample session using the :class:`FTP_TLS` class::
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>>> ftps = FTP_TLS('ftp.pureftpd.org')
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>>> ftps.login()
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'230 Anonymous user logged in'
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>>> ftps.prot_p()
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'200 Data protection level set to "private"'
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>>> ftps.nlst()
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['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']
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:class:`!FTP_TLS` class inherits from :class:`FTP`,
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defining these additional methods and attributes:
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.. attribute:: FTP_TLS.ssl_version
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@ -458,3 +421,46 @@ FTP_TLS Objects
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.. method:: FTP_TLS.prot_c()
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Set up clear text data connection.
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Module variables
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^^^^^^^^^^^^^^^^
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.. exception:: error_reply
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Exception raised when an unexpected reply is received from the server.
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.. exception:: error_temp
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Exception raised when an error code signifying a temporary error (response
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codes in the range 400--499) is received.
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.. exception:: error_perm
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Exception raised when an error code signifying a permanent error (response
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codes in the range 500--599) is received.
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.. exception:: error_proto
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Exception raised when a reply is received from the server that does not fit
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the response specifications of the File Transfer Protocol, i.e. begin with a
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digit in the range 1--5.
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.. data:: all_errors
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The set of all exceptions (as a tuple) that methods of :class:`FTP`
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instances may raise as a result of problems with the FTP connection (as
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opposed to programming errors made by the caller). This set includes the
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four exceptions listed above as well as :exc:`OSError` and :exc:`EOFError`.
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.. seealso::
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Module :mod:`netrc`
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Parser for the :file:`.netrc` file format. The file :file:`.netrc` is
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typically used by FTP clients to load user authentication information
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before prompting the user.
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