author | Shane McErlean <shane.mcerlean@accenture.com> |
Fri, 27 Aug 2010 15:33:49 +0100 | |
changeset 101 | 1e82a8be084a |
parent 1 | 2fb8b9db1c86 |
permissions | -rw-r--r-- |
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:mod:`email` --- An email and MIME handling package |
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=================================================== |
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.. module:: email |
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:synopsis: Package supporting the parsing, manipulating, and generating email messages, |
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including MIME documents. |
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.. moduleauthor:: Barry A. Warsaw <barry@python.org> |
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.. sectionauthor:: Barry A. Warsaw <barry@python.org> |
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.. Copyright (C) 2001-2007 Python Software Foundation |
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.. versionadded:: 2.2 |
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The :mod:`email` package is a library for managing email messages, including |
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MIME and other :rfc:`2822`\ -based message documents. It subsumes most of the |
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functionality in several older standard modules such as :mod:`rfc822`, |
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:mod:`mimetools`, :mod:`multifile`, and other non-standard packages such as |
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:mod:`mimecntl`. It is specifically *not* designed to do any sending of email |
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messages to SMTP (:rfc:`2821`), NNTP, or other servers; those are functions of |
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modules such as :mod:`smtplib` and :mod:`nntplib`. The :mod:`email` package |
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attempts to be as RFC-compliant as possible, supporting in addition to |
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:rfc:`2822`, such MIME-related RFCs as :rfc:`2045`, :rfc:`2046`, :rfc:`2047`, |
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and :rfc:`2231`. |
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The primary distinguishing feature of the :mod:`email` package is that it splits |
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the parsing and generating of email messages from the internal *object model* |
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representation of email. Applications using the :mod:`email` package deal |
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primarily with objects; you can add sub-objects to messages, remove sub-objects |
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from messages, completely re-arrange the contents, etc. There is a separate |
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parser and a separate generator which handles the transformation from flat text |
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to the object model, and then back to flat text again. There are also handy |
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subclasses for some common MIME object types, and a few miscellaneous utilities |
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that help with such common tasks as extracting and parsing message field values, |
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creating RFC-compliant dates, etc. |
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The following sections describe the functionality of the :mod:`email` package. |
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The ordering follows a progression that should be common in applications: an |
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email message is read as flat text from a file or other source, the text is |
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parsed to produce the object structure of the email message, this structure is |
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manipulated, and finally, the object tree is rendered back into flat text. |
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It is perfectly feasible to create the object structure out of whole cloth --- |
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i.e. completely from scratch. From there, a similar progression can be taken as |
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above. |
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Also included are detailed specifications of all the classes and modules that |
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the :mod:`email` package provides, the exception classes you might encounter |
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while using the :mod:`email` package, some auxiliary utilities, and a few |
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examples. For users of the older :mod:`mimelib` package, or previous versions |
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of the :mod:`email` package, a section on differences and porting is provided. |
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Contents of the :mod:`email` package documentation: |
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.. toctree:: |
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email.message.rst |
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email.parser.rst |
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email.generator.rst |
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email.mime.rst |
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email.header.rst |
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email.charset.rst |
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email.encoders.rst |
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email.errors.rst |
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email.util.rst |
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email.iterators.rst |
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email-examples.rst |
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.. seealso:: |
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Module :mod:`smtplib` |
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SMTP protocol client |
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Module :mod:`nntplib` |
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NNTP protocol client |
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.. _email-pkg-history: |
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Package History |
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--------------- |
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This table describes the release history of the email package, corresponding to |
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the version of Python that the package was released with. For purposes of this |
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document, when you see a note about change or added versions, these refer to the |
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Python version the change was made in, *not* the email package version. This |
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table also describes the Python compatibility of each version of the package. |
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+---------------+------------------------------+-----------------------+ |
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| email version | distributed with | compatible with | |
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+===============+==============================+=======================+ |
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| :const:`1.x` | Python 2.2.0 to Python 2.2.1 | *no longer supported* | |
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+---------------+------------------------------+-----------------------+ |
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| :const:`2.5` | Python 2.2.2+ and Python 2.3 | Python 2.1 to 2.5 | |
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+---------------+------------------------------+-----------------------+ |
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| :const:`3.0` | Python 2.4 | Python 2.3 to 2.5 | |
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+---------------+------------------------------+-----------------------+ |
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| :const:`4.0` | Python 2.5 | Python 2.3 to 2.5 | |
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+---------------+------------------------------+-----------------------+ |
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Here are the major differences between :mod:`email` version 4 and version 3: |
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* All modules have been renamed according to :pep:`8` standards. For example, |
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the version 3 module :mod:`email.Message` was renamed to :mod:`email.message` in |
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version 4. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
106 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
107 |
* A new subpackage :mod:`email.mime` was added and all the version 3 |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
108 |
:mod:`email.MIME\*` modules were renamed and situated into the :mod:`email.mime` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
109 |
subpackage. For example, the version 3 module :mod:`email.MIMEText` was renamed |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
110 |
to :mod:`email.mime.text`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
111 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
112 |
*Note that the version 3 names will continue to work until Python 2.6*. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
113 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
114 |
* The :mod:`email.mime.application` module was added, which contains the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
115 |
:class:`MIMEApplication` class. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
116 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
117 |
* Methods that were deprecated in version 3 have been removed. These include |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
118 |
:meth:`Generator.__call__`, :meth:`Message.get_type`, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
119 |
:meth:`Message.get_main_type`, :meth:`Message.get_subtype`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
120 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
121 |
* Fixes have been added for :rfc:`2231` support which can change some of the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
122 |
return types for :func:`Message.get_param` and friends. Under some |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
123 |
circumstances, values which used to return a 3-tuple now return simple strings |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
124 |
(specifically, if all extended parameter segments were unencoded, there is no |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
125 |
language and charset designation expected, so the return type is now a simple |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
126 |
string). Also, %-decoding used to be done for both encoded and unencoded |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
127 |
segments; this decoding is now done only for encoded segments. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
128 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
129 |
Here are the major differences between :mod:`email` version 3 and version 2: |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
130 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
131 |
* The :class:`FeedParser` class was introduced, and the :class:`Parser` class |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
132 |
was implemented in terms of the :class:`FeedParser`. All parsing therefore is |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
133 |
non-strict, and parsing will make a best effort never to raise an exception. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
134 |
Problems found while parsing messages are stored in the message's *defect* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
135 |
attribute. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
136 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
137 |
* All aspects of the API which raised :exc:`DeprecationWarning`\ s in version 2 |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
138 |
have been removed. These include the *_encoder* argument to the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
139 |
:class:`MIMEText` constructor, the :meth:`Message.add_payload` method, the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
140 |
:func:`Utils.dump_address_pair` function, and the functions :func:`Utils.decode` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
141 |
and :func:`Utils.encode`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
142 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
143 |
* New :exc:`DeprecationWarning`\ s have been added to: |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
144 |
:meth:`Generator.__call__`, :meth:`Message.get_type`, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
145 |
:meth:`Message.get_main_type`, :meth:`Message.get_subtype`, and the *strict* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
146 |
argument to the :class:`Parser` class. These are expected to be removed in |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
147 |
future versions. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
148 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
149 |
* Support for Pythons earlier than 2.3 has been removed. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
150 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
151 |
Here are the differences between :mod:`email` version 2 and version 1: |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
152 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
153 |
* The :mod:`email.Header` and :mod:`email.Charset` modules have been added. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
154 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
155 |
* The pickle format for :class:`Message` instances has changed. Since this was |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
156 |
never (and still isn't) formally defined, this isn't considered a backward |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
157 |
incompatibility. However if your application pickles and unpickles |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
158 |
:class:`Message` instances, be aware that in :mod:`email` version 2, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
159 |
:class:`Message` instances now have private variables *_charset* and |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
160 |
*_default_type*. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
161 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
162 |
* Several methods in the :class:`Message` class have been deprecated, or their |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
163 |
signatures changed. Also, many new methods have been added. See the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
164 |
documentation for the :class:`Message` class for details. The changes should be |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
165 |
completely backward compatible. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
166 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
167 |
* The object structure has changed in the face of :mimetype:`message/rfc822` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
168 |
content types. In :mod:`email` version 1, such a type would be represented by a |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
169 |
scalar payload, i.e. the container message's :meth:`is_multipart` returned |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
170 |
false, :meth:`get_payload` was not a list object, but a single :class:`Message` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
171 |
instance. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
172 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
173 |
This structure was inconsistent with the rest of the package, so the object |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
174 |
representation for :mimetype:`message/rfc822` content types was changed. In |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
175 |
:mod:`email` version 2, the container *does* return ``True`` from |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
176 |
:meth:`is_multipart`, and :meth:`get_payload` returns a list containing a single |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
177 |
:class:`Message` item. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
178 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
179 |
Note that this is one place that backward compatibility could not be completely |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
180 |
maintained. However, if you're already testing the return type of |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
181 |
:meth:`get_payload`, you should be fine. You just need to make sure your code |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
182 |
doesn't do a :meth:`set_payload` with a :class:`Message` instance on a container |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
183 |
with a content type of :mimetype:`message/rfc822`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
184 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
185 |
* The :class:`Parser` constructor's *strict* argument was added, and its |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
186 |
:meth:`parse` and :meth:`parsestr` methods grew a *headersonly* argument. The |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
187 |
*strict* flag was also added to functions :func:`email.message_from_file` and |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
188 |
:func:`email.message_from_string`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
189 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
190 |
* :meth:`Generator.__call__` is deprecated; use :meth:`Generator.flatten` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
191 |
instead. The :class:`Generator` class has also grown the :meth:`clone` method. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
192 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
193 |
* The :class:`DecodedGenerator` class in the :mod:`email.Generator` module was |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
194 |
added. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
195 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
196 |
* The intermediate base classes :class:`MIMENonMultipart` and |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
197 |
:class:`MIMEMultipart` have been added, and interposed in the class hierarchy |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
198 |
for most of the other MIME-related derived classes. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
199 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
200 |
* The *_encoder* argument to the :class:`MIMEText` constructor has been |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
201 |
deprecated. Encoding now happens implicitly based on the *_charset* argument. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
202 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
203 |
* The following functions in the :mod:`email.Utils` module have been deprecated: |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
204 |
:func:`dump_address_pairs`, :func:`decode`, and :func:`encode`. The following |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
205 |
functions have been added to the module: :func:`make_msgid`, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
206 |
:func:`decode_rfc2231`, :func:`encode_rfc2231`, and :func:`decode_params`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
207 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
208 |
* The non-public function :func:`email.Iterators._structure` was added. |
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|
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210 |
|
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211 |
Differences from :mod:`mimelib` |
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|
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------------------------------- |
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|
213 |
|
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|
214 |
The :mod:`email` package was originally prototyped as a separate library called |
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|
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`mimelib <http://mimelib.sf.net/>`_. Changes have been made so that method names |
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|
216 |
are more consistent, and some methods or modules have either been added or |
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removed. The semantics of some of the methods have also changed. For the most |
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|
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part, any functionality available in :mod:`mimelib` is still available in the |
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|
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:mod:`email` package, albeit often in a different way. Backward compatibility |
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|
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between the :mod:`mimelib` package and the :mod:`email` package was not a |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
221 |
priority. |
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|
222 |
|
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|
223 |
Here is a brief description of the differences between the :mod:`mimelib` and |
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|
224 |
the :mod:`email` packages, along with hints on how to port your applications. |
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|
225 |
|
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|
226 |
Of course, the most visible difference between the two packages is that the |
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227 |
package name has been changed to :mod:`email`. In addition, the top-level |
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|
228 |
package has the following differences: |
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|
229 |
|
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|
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* :func:`messageFromString` has been renamed to :func:`message_from_string`. |
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|
231 |
|
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|
232 |
* :func:`messageFromFile` has been renamed to :func:`message_from_file`. |
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|
233 |
|
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|
234 |
The :class:`Message` class has the following differences: |
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|
235 |
|
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|
236 |
* The method :meth:`asString` was renamed to :meth:`as_string`. |
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|
237 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
238 |
* The method :meth:`ismultipart` was renamed to :meth:`is_multipart`. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
239 |
|
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|
240 |
* The :meth:`get_payload` method has grown a *decode* optional argument. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
241 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
242 |
* The method :meth:`getall` was renamed to :meth:`get_all`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
243 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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changeset
|
244 |
* The method :meth:`addheader` was renamed to :meth:`add_header`. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
245 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
246 |
* The method :meth:`gettype` was renamed to :meth:`get_type`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
247 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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|
248 |
* The method :meth:`getmaintype` was renamed to :meth:`get_main_type`. |
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
249 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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|
250 |
* The method :meth:`getsubtype` was renamed to :meth:`get_subtype`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
251 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
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|
252 |
* The method :meth:`getparams` was renamed to :meth:`get_params`. Also, whereas |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
253 |
:meth:`getparams` returned a list of strings, :meth:`get_params` returns a list |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
254 |
of 2-tuples, effectively the key/value pairs of the parameters, split on the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
255 |
``'='`` sign. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
256 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
257 |
* The method :meth:`getparam` was renamed to :meth:`get_param`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
258 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
259 |
* The method :meth:`getcharsets` was renamed to :meth:`get_charsets`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
260 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
261 |
* The method :meth:`getfilename` was renamed to :meth:`get_filename`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
262 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
263 |
* The method :meth:`getboundary` was renamed to :meth:`get_boundary`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
264 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
265 |
* The method :meth:`setboundary` was renamed to :meth:`set_boundary`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
266 |
|
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Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
267 |
* The method :meth:`getdecodedpayload` was removed. To get similar |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
268 |
functionality, pass the value 1 to the *decode* flag of the get_payload() |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
269 |
method. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
270 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
271 |
* The method :meth:`getpayloadastext` was removed. Similar functionality is |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
272 |
supported by the :class:`DecodedGenerator` class in the :mod:`email.generator` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
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|
273 |
module. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
274 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
275 |
* The method :meth:`getbodyastext` was removed. You can get similar |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
276 |
functionality by creating an iterator with :func:`typed_subpart_iterator` in the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
277 |
:mod:`email.iterators` module. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
278 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
279 |
The :class:`Parser` class has no differences in its public interface. It does |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
280 |
have some additional smarts to recognize :mimetype:`message/delivery-status` |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
281 |
type messages, which it represents as a :class:`Message` instance containing |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
282 |
separate :class:`Message` subparts for each header block in the delivery status |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
283 |
notification [#]_. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
284 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
285 |
The :class:`Generator` class has no differences in its public interface. There |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
286 |
is a new class in the :mod:`email.generator` module though, called |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
287 |
:class:`DecodedGenerator` which provides most of the functionality previously |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
288 |
available in the :meth:`Message.getpayloadastext` method. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
289 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
290 |
The following modules and classes have been changed: |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
291 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
292 |
* The :class:`MIMEBase` class constructor arguments *_major* and *_minor* have |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
293 |
changed to *_maintype* and *_subtype* respectively. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
294 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
295 |
* The ``Image`` class/module has been renamed to ``MIMEImage``. The *_minor* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
296 |
argument has been renamed to *_subtype*. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
297 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
298 |
* The ``Text`` class/module has been renamed to ``MIMEText``. The *_minor* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
299 |
argument has been renamed to *_subtype*. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
300 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
301 |
* The ``MessageRFC822`` class/module has been renamed to ``MIMEMessage``. Note |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
302 |
that an earlier version of :mod:`mimelib` called this class/module ``RFC822``, |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
303 |
but that clashed with the Python standard library module :mod:`rfc822` on some |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
304 |
case-insensitive file systems. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
305 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
306 |
Also, the :class:`MIMEMessage` class now represents any kind of MIME message |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
307 |
with main type :mimetype:`message`. It takes an optional argument *_subtype* |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
308 |
which is used to set the MIME subtype. *_subtype* defaults to |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
309 |
:mimetype:`rfc822`. |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
310 |
|
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff
changeset
|
311 |
:mod:`mimelib` provided some utility functions in its :mod:`address` and |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff
changeset
|
312 |
:mod:`date` modules. All of these functions have been moved to the |
2fb8b9db1c86
Initial QEMU (symbian-qemu-0.9.1-12) import
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:mod:`email.utils` module. |
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The ``MsgReader`` class/module has been removed. Its functionality is most |
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closely supported in the :func:`body_line_iterator` function in the |
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:mod:`email.iterators` module. |
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.. rubric:: Footnotes |
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.. [#] Delivery Status Notifications (DSN) are defined in :rfc:`1894`. |