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abc.rst.txt	11805	0644	editdlrm
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asyncio-dev.rst.txt	13398	0644	editdlrm
asyncio-eventloop.rst.txt	33701	0644	editdlrm
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asyncio-sync.rst.txt	9078	0644	editdlrm
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asyncio.rst.txt	2272	0644	editdlrm
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collections.abc.rst.txt	12861	0644	editdlrm
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debug.rst.txt	471	0644	editdlrm
decimal.rst.txt	74869	0644	editdlrm
development.rst.txt	704	0644	editdlrm
difflib.rst.txt	29861	0644	editdlrm
dis.rst.txt	32567	0644	editdlrm
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distutils.rst.txt	1974	0644	editdlrm
doctest.rst.txt	71743	0644	editdlrm
dummy_threading.rst.txt	784	0644	editdlrm
email.charset.rst.txt	9293	0644	editdlrm
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email.contentmanager.rst.txt	9112	0644	editdlrm
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email.errors.rst.txt	4792	0644	editdlrm
email.examples.rst.txt	1915	0644	editdlrm
email.generator.rst.txt	13637	0644	editdlrm
email.header.rst.txt	9188	0644	editdlrm
email.headerregistry.rst.txt	17957	0644	editdlrm
email.iterators.rst.txt	2795	0644	editdlrm
email.message.rst.txt	33008	0644	editdlrm
email.mime.rst.txt	11721	0644	editdlrm
email.parser.rst.txt	14092	0644	editdlrm
email.policy.rst.txt	27022	0644	editdlrm
email.rst.txt	6785	0644	editdlrm
email.util.rst.txt	9214	0644	editdlrm
ensurepip.rst.txt	4987	0644	editdlrm
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errno.rst.txt	6811	0644	editdlrm
exceptions.rst.txt	25570	0644	editdlrm
faulthandler.rst.txt	6136	0644	editdlrm
fcntl.rst.txt	7152	0644	editdlrm
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fileinput.rst.txt	8051	0644	editdlrm
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fnmatch.rst.txt	3103	0644	editdlrm
formatter.rst.txt	13242	0644	editdlrm
fpectl.rst.txt	4180	0644	editdlrm
fractions.rst.txt	6364	0644	editdlrm
frameworks.rst.txt	391	0644	editdlrm
ftplib.rst.txt	17552	0644	editdlrm
functional.rst.txt	365	0644	editdlrm
functions.rst.txt	71621	0644	editdlrm
functools.rst.txt	18503	0644	editdlrm
gc.rst.txt	9694	0644	editdlrm
getopt.rst.txt	6557	0644	editdlrm
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grp.rst.txt	2417	0644	editdlrm
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hashlib.rst.txt	26523	0644	editdlrm
heapq.rst.txt	13402	0644	editdlrm
hmac.rst.txt	4020	0644	editdlrm
html.entities.rst.txt	1319	0644	editdlrm
html.parser.rst.txt	11275	0644	editdlrm
html.rst.txt	1304	0644	editdlrm
http.client.rst.txt	18870	0644	editdlrm
http.cookiejar.rst.txt	27832	0644	editdlrm
http.cookies.rst.txt	8645	0644	editdlrm
http.rst.txt	7096	0644	editdlrm
http.server.rst.txt	17639	0644	editdlrm
i18n.rst.txt	408	0644	editdlrm
idle.rst.txt	25834	0644	editdlrm
imaplib.rst.txt	20367	0644	editdlrm
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imp.rst.txt	15548	0644	editdlrm
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ipc.rst.txt	649	0644	editdlrm
itertools.rst.txt	38459	0644	editdlrm
json.rst.txt	27876	0644	editdlrm
keyword.rst.txt	617	0644	editdlrm
language.rst.txt	522	0644	editdlrm
linecache.rst.txt	2408	0644	editdlrm
locale.rst.txt	25470	0644	editdlrm
logging.config.rst.txt	33886	0644	editdlrm
logging.handlers.rst.txt	42497	0644	editdlrm
logging.rst.txt	60479	0644	editdlrm
lzma.rst.txt	17361	0644	editdlrm
macpath.rst.txt	707	0644	editdlrm
mailbox.rst.txt	63055	0644	editdlrm
mailcap.rst.txt	3691	0644	editdlrm
markup.rst.txt	679	0644	editdlrm
marshal.rst.txt	4855	0644	editdlrm
math.rst.txt	14375	0644	editdlrm
mimetypes.rst.txt	9839	0644	editdlrm
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mm.rst.txt	431	0644	editdlrm
mmap.rst.txt	11232	0644	editdlrm
modulefinder.rst.txt	3240	0644	editdlrm
modules.rst.txt	355	0644	editdlrm
msilib.rst.txt	18612	0644	editdlrm
msvcrt.rst.txt	4392	0644	editdlrm
multiprocessing.rst.txt	104494	0644	editdlrm
netdata.rst.txt	339	0644	editdlrm
netrc.rst.txt	3007	0644	editdlrm
nis.rst.txt	1993	0644	editdlrm
nntplib.rst.txt	21821	0644	editdlrm
numbers.rst.txt	8089	0644	editdlrm
numeric.rst.txt	696	0644	editdlrm
operator.rst.txt	18989	0644	editdlrm
optparse.rst.txt	76996	0644	editdlrm
os.path.rst.txt	16419	0644	editdlrm
os.rst.txt	137534	0644	editdlrm
ossaudiodev.rst.txt	17845	0644	editdlrm
othergui.rst.txt	2822	0644	editdlrm
parser.rst.txt	15148	0644	editdlrm
pathlib.rst.txt	30045	0644	editdlrm
pdb.rst.txt	19454	0644	editdlrm
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pickle.rst.txt	37440	0644	editdlrm
pickletools.rst.txt	3729	0644	editdlrm
pipes.rst.txt	2557	0644	editdlrm
pkgutil.rst.txt	8730	0644	editdlrm
platform.rst.txt	9624	0644	editdlrm
plistlib.rst.txt	7398	0644	editdlrm
poplib.rst.txt	8197	0644	editdlrm
posix.rst.txt	3694	0644	editdlrm
pprint.rst.txt	14274	0644	editdlrm
profile.rst.txt	27969	0644	editdlrm
pty.rst.txt	3123	0644	editdlrm
pwd.rst.txt	2739	0644	editdlrm
pyclbr.rst.txt	3297	0644	editdlrm
pydoc.rst.txt	4688	0644	editdlrm
pyexpat.rst.txt	28620	0644	editdlrm
python.rst.txt	475	0644	editdlrm
py_compile.rst.txt	3851	0644	editdlrm
queue.rst.txt	7268	0644	editdlrm
quopri.rst.txt	2571	0644	editdlrm
random.rst.txt	18503	0644	editdlrm
re.rst.txt	64936	0644	editdlrm
readline.rst.txt	11943	0644	editdlrm
reprlib.rst.txt	5162	0644	editdlrm
resource.rst.txt	12291	0644	editdlrm
rlcompleter.rst.txt	2294	0644	editdlrm
runpy.rst.txt	8285	0644	editdlrm
sched.rst.txt	4842	0644	editdlrm
secrets.rst.txt	5930	0644	editdlrm
select.rst.txt	28175	0644	editdlrm
selectors.rst.txt	8925	0644	editdlrm
shelve.rst.txt	8390	0644	editdlrm
shlex.rst.txt	16441	0644	editdlrm
shutil.rst.txt	26014	0644	editdlrm
signal.rst.txt	17218	0644	editdlrm
site.rst.txt	9628	0644	editdlrm
smtpd.rst.txt	10806	0644	editdlrm
smtplib.rst.txt	23439	0644	editdlrm
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stdtypes.rst.txt	179240	0644	editdlrm
string.rst.txt	35374	0644	editdlrm
stringprep.rst.txt	4279	0644	editdlrm
struct.rst.txt	19581	0644	editdlrm
subprocess.rst.txt	45793	0644	editdlrm
sunau.rst.txt	7390	0644	editdlrm
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sys.rst.txt	58273	0644	editdlrm
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telnetlib.rst.txt	7899	0644	editdlrm
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__future__.rst.txt	5245	0644	editdlrm
__main__.rst.txt	904	0644	editdlrm

:mod:`email.contentmanager`: Managing MIME Content -------------------------------------------------- .. module:: email.contentmanager :synopsis: Storing and Retrieving Content from MIME Parts .. moduleauthor:: R. David Murray .. sectionauthor:: R. David Murray **Source code:** :source:`Lib/email/contentmanager.py` ------------ .. versionadded:: 3.6 [1]_ .. class:: ContentManager() Base class for content managers. Provides the standard registry mechanisms to register converters between MIME content and other representations, as well as the ``get_content`` and ``set_content`` dispatch methods. .. method:: get_content(msg, *args, **kw) Look up a handler function based on the ``mimetype`` of *msg* (see next paragraph), call it, passing through all arguments, and return the result of the call. The expectation is that the handler will extract the payload from *msg* and return an object that encodes information about the extracted data. To find the handler, look for the following keys in the registry, stopping with the first one found: * the string representing the full MIME type (``maintype/subtype``) * the string representing the ``maintype`` * the empty string If none of these keys produce a handler, raise a :exc:`KeyError` for the full MIME type. .. method:: set_content(msg, obj, *args, **kw) If the ``maintype`` is ``multipart``, raise a :exc:`TypeError`; otherwise look up a handler function based on the type of *obj* (see next paragraph), call :meth:`~email.message.EmailMessage.clear_content` on the *msg*, and call the handler function, passing through all arguments. The expectation is that the handler will transform and store *obj* into *msg*, possibly making other changes to *msg* as well, such as adding various MIME headers to encode information needed to interpret the stored data. To find the handler, obtain the type of *obj* (``typ = type(obj)``), and look for the following keys in the registry, stopping with the first one found: * the type itself (``typ``) * the type's fully qualified name (``typ.__module__ + '.' + typ.__qualname__``). * the type's qualname (``typ.__qualname__``) * the type's name (``typ.__name__``). If none of the above match, repeat all of the checks above for each of the types in the :term:`MRO` (``typ.__mro__``). Finally, if no other key yields a handler, check for a handler for the key ``None``. If there is no handler for ``None``, raise a :exc:`KeyError` for the fully qualified name of the type. Also add a :mailheader:`MIME-Version` header if one is not present (see also :class:`.MIMEPart`). .. method:: add_get_handler(key, handler) Record the function *handler* as the handler for *key*. For the possible values of *key*, see :meth:`get_content`. .. method:: add_set_handler(typekey, handler) Record *handler* as the function to call when an object of a type matching *typekey* is passed to :meth:`set_content`. For the possible values of *typekey*, see :meth:`set_content`. Content Manager Instances ~~~~~~~~~~~~~~~~~~~~~~~~~ Currently the email package provides only one concrete content manager, :data:`raw_data_manager`, although more may be added in the future. :data:`raw_data_manager` is the :attr:`~email.policy.EmailPolicy.content_manager` provided by :attr:`~email.policy.EmailPolicy` and its derivatives. .. data:: raw_data_manager This content manager provides only a minimum interface beyond that provided by :class:`~email.message.Message` itself: it deals only with text, raw byte strings, and :class:`~email.message.Message` objects. Nevertheless, it provides significant advantages compared to the base API: ``get_content`` on a text part will return a unicode string without the application needing to manually decode it, ``set_content`` provides a rich set of options for controlling the headers added to a part and controlling the content transfer encoding, and it enables the use of the various ``add_`` methods, thereby simplifying the creation of multipart messages. .. method:: get_content(msg, errors='replace') Return the payload of the part as either a string (for ``text`` parts), an :class:`~email.message.EmailMessage` object (for ``message/rfc822`` parts), or a ``bytes`` object (for all other non-multipart types). Raise a :exc:`KeyError` if called on a ``multipart``. If the part is a ``text`` part and *errors* is specified, use it as the error handler when decoding the payload to unicode. The default error handler is ``replace``. .. method:: set_content(msg, <'str'>, subtype="plain", charset='utf-8' \ cte=None, \ disposition=None, filename=None, cid=None, \ params=None, headers=None) set_content(msg, <'bytes'>, maintype, subtype, cte="base64", \ disposition=None, filename=None, cid=None, \ params=None, headers=None) set_content(msg, <'EmailMessage'>, cte=None, \ disposition=None, filename=None, cid=None, \ params=None, headers=None) Add headers and payload to *msg*: Add a :mailheader:`Content-Type` header with a ``maintype/subtype`` value. * For ``str``, set the MIME ``maintype`` to ``text``, and set the subtype to *subtype* if it is specified, or ``plain`` if it is not. * For ``bytes``, use the specified *maintype* and *subtype*, or raise a :exc:`TypeError` if they are not specified. * For :class:`~email.message.EmailMessage` objects, set the maintype to ``message``, and set the subtype to *subtype* if it is specified or ``rfc822`` if it is not. If *subtype* is ``partial``, raise an error (``bytes`` objects must be used to construct ``message/partial`` parts). If *charset* is provided (which is valid only for ``str``), encode the string to bytes using the specified character set. The default is ``utf-8``. If the specified *charset* is a known alias for a standard MIME charset name, use the standard charset instead. If *cte* is set, encode the payload using the specified content transfer encoding, and set the :mailheader:`Content-Transfer-Encoding` header to that value. Possible values for *cte* are ``quoted-printable``, ``base64``, ``7bit``, ``8bit``, and ``binary``. If the input cannot be encoded in the specified encoding (for example, specifying a *cte* of ``7bit`` for an input that contains non-ASCII values), raise a :exc:`ValueError`. * For ``str`` objects, if *cte* is not set use heuristics to determine the most compact encoding. * For :class:`~email.message.EmailMessage`, per :rfc:`2046`, raise an error if a *cte* of ``quoted-printable`` or ``base64`` is requested for *subtype* ``rfc822``, and for any *cte* other than ``7bit`` for *subtype* ``external-body``. For ``message/rfc822``, use ``8bit`` if *cte* is not specified. For all other values of *subtype*, use ``7bit``. .. note:: A *cte* of ``binary`` does not actually work correctly yet. The ``EmailMessage`` object as modified by ``set_content`` is correct, but :class:`~email.generator.BytesGenerator` does not serialize it correctly. If *disposition* is set, use it as the value of the :mailheader:`Content-Disposition` header. If not specified, and *filename* is specified, add the header with the value ``attachment``. If *disposition* is not specified and *filename* is also not specified, do not add the header. The only valid values for *disposition* are ``attachment`` and ``inline``. If *filename* is specified, use it as the value of the ``filename`` parameter of the :mailheader:`Content-Disposition` header. If *cid* is specified, add a :mailheader:`Content-ID` header with *cid* as its value. If *params* is specified, iterate its ``items`` method and use the resulting ``(key, value)`` pairs to set additional parameters on the :mailheader:`Content-Type` header. If *headers* is specified and is a list of strings of the form ``headername: headervalue`` or a list of ``header`` objects (distinguished from strings by having a ``name`` attribute), add the headers to *msg*. .. rubric:: Footnotes .. [1] Originally added in 3.4 as a :term:`provisional module `