email.policy.po

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#: ../../library/email.policy.rst:2
msgid ":mod:`email.policy`: Policy Objects"
msgstr ":mod:`email.policy`: ポリシーオブジェクト"

#: ../../library/email.policy.rst:12
msgid "**Source code:** :source:`Lib/email/policy.py`"
msgstr "**ソースコード:** :source:`Lib/email/policy.py`"

#: ../../library/email.policy.rst:16
msgid ""
"The :mod:`email` package's prime focus is the handling of email messages as "
"described by the various email and MIME RFCs.  However, the general format "
"of email messages (a block of header fields each consisting of a name "
"followed by a colon followed by a value, the whole block followed by a blank"
" line and an arbitrary 'body'), is a format that has found utility outside "
"of the realm of email.  Some of these uses conform fairly closely to the "
"main email RFCs, some do not.  Even when working with email, there are times"
" when it is desirable to break strict compliance with the RFCs, such as "
"generating emails that interoperate with email servers that do not "
"themselves follow the standards, or that implement extensions you want to "
"use in ways that violate the standards."
msgstr ""
":mod:`email` "
"パッケージの主要な目的は様々なEメールやMIMEのRFCで記述されたEメールメッセージを取り扱うことにあります。しかし、Eメールメッセージの一般的なフォーマット(名前の後にコロンが続き、コロンの後に値が続くという構成の複数のヘッダーフィールドのブロック、空白行、任意の"
" "
"'body')はEメールの分野外での用途が見いだされたフォーマットです。これらの用途には主となるEメールのRFCに厳密に従っているものもあれば、そうでないものもあります。Eメールを使ったworkingのときでさえも、厳密なRFC準拠にしないのが望ましいことがあります。たとえば、基準に従わないEメールサーバーと相互運用するEメールを作成するときや、基準に違反する方法で使用したい拡張機能を実装するEメールを作成するときです。"

#: ../../library/email.policy.rst:28
msgid ""
"Policy objects give the email package the flexibility to handle all these "
"disparate use cases."
msgstr "これらのばらばらな用途に対応するためPolicyオブジェクトはEメールパッケージに対して柔軟性を提供します。"

#: ../../library/email.policy.rst:31
msgid ""
"A :class:`Policy` object encapsulates a set of attributes and methods that "
"control the behavior of various components of the email package during use. "
":class:`Policy` instances can be passed to various classes and methods in "
"the email package to alter the default behavior.  The settable values and "
"their defaults are described below."
msgstr ""

#: ../../library/email.policy.rst:37
msgid ""
"There is a default policy used by all classes in the email package.  For all"
" of the :mod:`~email.parser` classes and the related convenience functions, "
"and for the :class:`~email.message.Message` class, this is the "
":class:`Compat32` policy, via its corresponding pre-defined instance "
":const:`compat32`.  This policy provides for complete backward compatibility"
" (in some cases, including bug compatibility) with the pre-Python3.3 version"
" of the email package."
msgstr ""

#: ../../library/email.policy.rst:44
msgid ""
"This default value for the *policy* keyword to "
":class:`~email.message.EmailMessage` is the :class:`EmailPolicy` policy, via"
" its pre-defined instance :data:`~default`."
msgstr ""

#: ../../library/email.policy.rst:48
msgid ""
"When a :class:`~email.message.Message` or "
":class:`~email.message.EmailMessage` object is created, it acquires a "
"policy.  If the message is created by a :mod:`~email.parser`, a policy "
"passed to the parser will be the policy used by the message it creates.  If "
"the message is created by the program, then the policy can be specified when"
" it is created.  When a message is passed to a :mod:`~email.generator`, the "
"generator uses the policy from the message by default, but you can also pass"
" a specific policy to the generator that will override the one stored on the"
" message object."
msgstr ""

#: ../../library/email.policy.rst:57
msgid ""
"The default value for the *policy* keyword for the :mod:`email.parser` "
"classes and the parser convenience functions **will be changing** in a "
"future version of Python.  Therefore you should **always specify explicitly "
"which policy you want to use** when calling any of the classes and functions"
" described in the :mod:`~email.parser` module."
msgstr ""

#: ../../library/email.policy.rst:63
msgid ""
"The first part of this documentation covers the features of :class:`Policy`,"
" an :term:`abstract base class` that defines the features that are common to"
" all policy objects, including :const:`compat32`.  This includes certain "
"hook methods that are called internally by the email package, which a custom"
" policy could override to obtain different behavior.  The second part "
"describes the concrete classes :class:`EmailPolicy` and :class:`Compat32`, "
"which implement the hooks that provide the standard behavior and the "
"backward compatible behavior and features, respectively."
msgstr ""

#: ../../library/email.policy.rst:72
msgid ""
":class:`Policy` instances are immutable, but they can be cloned, accepting "
"the same keyword arguments as the class constructor and returning a new "
":class:`Policy` instance that is a copy of the original but with the "
"specified attributes values changed."
msgstr ""

#: ../../library/email.policy.rst:77
msgid ""
"As an example, the following code could be used to read an email message "
"from a file on disk and pass it to the system ``sendmail`` program on a Unix"
" system:"
msgstr ""

#: ../../library/email.policy.rst:113
msgid ""
"Here we are telling :class:`~email.generator.BytesGenerator` to use the RFC "
"correct line separator characters when creating the binary string to feed "
"into ``sendmail's`` ``stdin``, where the default policy would use ``\\n`` "
"line separators."
msgstr ""

#: ../../library/email.policy.rst:118
msgid ""
"Some email package methods accept a *policy* keyword argument, allowing the "
"policy to be overridden for that method.  For example, the following code "
"uses the :meth:`~email.message.Message.as_bytes` method of the *msg* object "
"from the previous example and writes the message to a file using the native "
"line separators for the platform on which it is running::"
msgstr ""

#: ../../library/email.policy.rst:129
msgid ""
"Policy objects can also be combined using the addition operator, producing a"
" policy object whose settings are a combination of the non-default values of"
" the summed objects::"
msgstr ""
"Policyオブジェクトは加算オペレータを使用して組み合わせることも可能で、それらのオブジェクトの非デフォルト値を組み合わせた設定を持つPolicyオブジェクトを生成します::"

#: ../../library/email.policy.rst:137
msgid ""
"This operation is not commutative; that is, the order in which the objects "
"are added matters.  To illustrate::"
msgstr "この操作には交換法則が成り立ちません。つまり、オブジェクトを加える順番に結果が依存します。次のように説明できます::"

#: ../../library/email.policy.rst:152
msgid ""
"This is the :term:`abstract base class` for all policy classes.  It provides"
" default implementations for a couple of trivial methods, as well as the "
"implementation of the immutability property, the :meth:`clone` method, and "
"the constructor semantics."
msgstr ""

#: ../../library/email.policy.rst:157
msgid ""
"The constructor of a policy class can be passed various keyword arguments. "
"The arguments that may be specified are any non-method properties on this "
"class, plus any additional non-method properties on the concrete class.  A "
"value specified in the constructor will override the default value for the "
"corresponding attribute."
msgstr ""

#: ../../library/email.policy.rst:163
msgid ""
"This class defines the following properties, and thus values for the "
"following may be passed in the constructor of any policy class:"
msgstr ""

#: ../../library/email.policy.rst:169
msgid ""
"The maximum length of any line in the serialized output, not counting the "
"end of line character(s).  Default is 78, per :rfc:`5322`.  A value of ``0``"
" or :const:`None` indicates that no line wrapping should be done at all."
msgstr ""
"行の終端文字を数に含まない、シリアライズした出力の任意の行の最大長。デフォルトは :rfc:`5322` に従い78となっています。値が ``0`` "
"または :const:`None` の場合は行の折り返しを全くしないべきであるということを示します。"

#: ../../library/email.policy.rst:177
msgid ""
"The string to be used to terminate lines in serialized output.  The default "
"is ``\\n`` because that's the internal end-of-line discipline used by "
"Python, though ``\\r\\n`` is required by the RFCs."
msgstr ""

#: ../../library/email.policy.rst:184
msgid ""
"Controls the type of Content Transfer Encodings that may be or are required "
"to be used.  The possible values are:"
msgstr ""

#: ../../library/email.policy.rst:190
msgid "``7bit``"
msgstr "``7bit``"

#: ../../library/email.policy.rst:190
msgid ""
"all data must be \"7 bit clean\" (ASCII-only).  This means that where "
"necessary data will be encoded using either quoted-printable or base64 "
"encoding."
msgstr ""

#: ../../library/email.policy.rst:194
msgid "``8bit``"
msgstr "``8bit``"

#: ../../library/email.policy.rst:194
msgid ""
"data is not constrained to be 7 bit clean.  Data in headers is still "
"required to be ASCII-only and so will be encoded (see :meth:`fold_binary` "
"and :attr:`~EmailPolicy.utf8` below for exceptions), but body parts may use "
"the ``8bit`` CTE."
msgstr ""

#: ../../library/email.policy.rst:200
msgid ""
"A ``cte_type`` value of ``8bit`` only works with ``BytesGenerator``, not "
"``Generator``, because strings cannot contain binary data.  If a "
"``Generator`` is operating under a policy that specifies ``cte_type=8bit``, "
"it will act as if ``cte_type`` is ``7bit``."
msgstr ""

#: ../../library/email.policy.rst:208
msgid ""
"If :const:`True`, any defects encountered will be raised as errors.  If "
":const:`False` (the default), defects will be passed to the "
":meth:`register_defect` method."
msgstr ""

#: ../../library/email.policy.rst:215
msgid ""
"If :const:`True`, lines starting with *\"From \"* in the body are escaped by"
" putting a ``>`` in front of them. This parameter is used when the message "
"is being serialized by a generator. Default: :const:`False`."
msgstr ""

#: ../../library/email.policy.rst:220
msgid "The *mangle_from_* parameter."
msgstr "*mangle_from_* 引数。"

#: ../../library/email.policy.rst:226
msgid ""
"A factory function for constructing a new empty message object.  Used by the"
" parser when building messages.  Defaults to ``None``, in which case "
":class:`~email.message.Message` is used."
msgstr ""

#: ../../library/email.policy.rst:232
msgid ""
"The following :class:`Policy` method is intended to be called by code using "
"the email library to create policy instances with custom settings:"
msgstr ""

#: ../../library/email.policy.rst:238
msgid ""
"Return a new :class:`Policy` instance whose attributes have the same values "
"as the current instance, except where those attributes are given new values "
"by the keyword arguments."
msgstr ""

#: ../../library/email.policy.rst:243
msgid ""
"The remaining :class:`Policy` methods are called by the email package code, "
"and are not intended to be called by an application using the email package."
" A custom policy must implement all of these methods."
msgstr ""

#: ../../library/email.policy.rst:250
msgid ""
"Handle a *defect* found on *obj*.  When the email package calls this method,"
" *defect* will always be a subclass of :class:`~email.errors.Defect`."
msgstr ""

#: ../../library/email.policy.rst:254
msgid ""
"The default implementation checks the :attr:`raise_on_defect` flag.  If it "
"is ``True``, *defect* is raised as an exception.  If it is ``False`` (the "
"default), *obj* and *defect* are passed to :meth:`register_defect`."
msgstr ""

#: ../../library/email.policy.rst:261
msgid ""
"Register a *defect* on *obj*.  In the email package, *defect* will always be"
" a subclass of :class:`~email.errors.Defect`."
msgstr ""
"*defect* を *obj* に登録します。email パッケージでは、*defect* は常に "
":class:`~email.errors.Defect` の派生クラスです。"

#: ../../library/email.policy.rst:264
msgid ""
"The default implementation calls the ``append`` method of the ``defects`` "
"attribute of *obj*.  When the email package calls :attr:`handle_defect`, "
"*obj* will normally have a ``defects`` attribute that has an ``append`` "
"method.  Custom object types used with the email package (for example, "
"custom ``Message`` objects) should also provide such an attribute, otherwise"
" defects in parsed messages will raise unexpected errors."
msgstr ""

#: ../../library/email.policy.rst:274
msgid "Return the maximum allowed number of headers named *name*."
msgstr "*name* というヘッダに許される最大の数を返します。"

#: ../../library/email.policy.rst:276
msgid ""
"Called when a header is added to an :class:`~email.message.EmailMessage` or "
":class:`~email.message.Message` object.  If the returned value is not ``0`` "
"or ``None``, and there are already a number of headers with the name *name* "
"greater than or equal to the value returned, a :exc:`ValueError` is raised."
msgstr ""

#: ../../library/email.policy.rst:282
msgid ""
"Because the default behavior of ``Message.__setitem__`` is to append the "
"value to the list of headers, it is easy to create duplicate headers without"
" realizing it.  This method allows certain headers to be limited in the "
"number of instances of that header that may be added to a ``Message`` "
"programmatically.  (The limit is not observed by the parser, which will "
"faithfully produce as many headers as exist in the message being parsed.)"
msgstr ""

#: ../../library/email.policy.rst:290
msgid "The default implementation returns ``None`` for all header names."
msgstr "デフォルトの実装は全てのヘッダ名に ``None`` を返します。"

#: ../../library/email.policy.rst:295
msgid ""
"The email package calls this method with a list of strings, each string "
"ending with the line separation characters found in the source being parsed."
"  The first line includes the field header name and separator. All "
"whitespace in the source is preserved.  The method should return the "
"``(name, value)`` tuple that is to be stored in the ``Message`` to represent"
" the parsed header."
msgstr ""

#: ../../library/email.policy.rst:302
msgid ""
"If an implementation wishes to retain compatibility with the existing email "
"package policies, *name* should be the case preserved name (all characters "
"up to the '``:``' separator), while *value* should be the unfolded value "
"(all line separator characters removed, but whitespace kept intact), "
"stripped of leading whitespace."
msgstr ""

#: ../../library/email.policy.rst:308
msgid "*sourcelines* may contain surrogateescaped binary data."
msgstr "*sourcelines* はサロゲートエスケープされたバイナリーデータを持つことがあります。"

#: ../../library/email.policy.rst:310 ../../library/email.policy.rst:326
#: ../../library/email.policy.rst:342
msgid "There is no default implementation"
msgstr "デフォルトの実装はありません。"

#: ../../library/email.policy.rst:315
msgid ""
"The email package calls this method with the name and value provided by the "
"application program when the application program is modifying a ``Message`` "
"programmatically (as opposed to a ``Message`` created by a parser).  The "
"method should return the ``(name, value)`` tuple that is to be stored in the"
" ``Message`` to represent the header."
msgstr ""

#: ../../library/email.policy.rst:321
msgid ""
"If an implementation wishes to retain compatibility with the existing email "
"package policies, the *name* and *value* should be strings or string "
"subclasses that do not change the content of the passed in arguments."
msgstr ""

#: ../../library/email.policy.rst:331
msgid ""
"The email package calls this method with the *name* and *value* currently "
"stored in the ``Message`` when that header is requested by the application "
"program, and whatever the method returns is what is passed back to the "
"application as the value of the header being retrieved. Note that there may "
"be more than one header with the same name stored in the ``Message``; the "
"method is passed the specific name and value of the header destined to be "
"returned to the application."
msgstr ""

#: ../../library/email.policy.rst:339
msgid ""
"*value* may contain surrogateescaped binary data.  There should be no "
"surrogateescaped binary data in the value returned by the method."
msgstr ""
"*value* "
"はサロゲートエスケープされたバイナリーデータを持つことがあります。このメソッドの返り値にはサロゲートエスケープされたバイナリーデータはありません。"

#: ../../library/email.policy.rst:347
msgid ""
"The email package calls this method with the *name* and *value* currently "
"stored in the ``Message`` for a given header.  The method should return a "
"string that represents that header \"folded\" correctly (according to the "
"policy settings) by composing the *name* with the *value* and inserting "
":attr:`linesep` characters at the appropriate places.  See :rfc:`5322` for a"
" discussion of the rules for folding email headers."
msgstr ""

#: ../../library/email.policy.rst:354
msgid ""
"*value* may contain surrogateescaped binary data.  There should be no "
"surrogateescaped binary data in the string returned by the method."
msgstr ""
"*value* "
"はサロゲートエスケープされたバイナリーデータを持つことがあります。このメソッドが返す文字列にはサロゲートエスケープされたバイナリーデータはありません。"

#: ../../library/email.policy.rst:360
msgid ""
"The same as :meth:`fold`, except that the returned value should be a bytes "
"object rather than a string."
msgstr "返り値が文字列でなく bytes オブジェクトである点を除けば、:meth:`fold` と同じです。"

#: ../../library/email.policy.rst:363
msgid ""
"*value* may contain surrogateescaped binary data.  These could be converted "
"back into binary data in the returned bytes object."
msgstr ""

#: ../../library/email.policy.rst:370
msgid ""
"This concrete :class:`Policy` provides behavior that is intended to be fully"
" compliant with the current email RFCs.  These include (but are not limited "
"to) :rfc:`5322`, :rfc:`2047`, and the current MIME RFCs."
msgstr ""

#: ../../library/email.policy.rst:374
msgid ""
"This policy adds new header parsing and folding algorithms.  Instead of "
"simple strings, headers are ``str`` subclasses with attributes that depend "
"on the type of the field.  The parsing and folding algorithm fully implement"
" :rfc:`2047` and :rfc:`5322`."
msgstr ""

#: ../../library/email.policy.rst:379
msgid ""
"The default value for the :attr:`~email.policy.Policy.message_factory` "
"attribute is :class:`~email.message.EmailMessage`."
msgstr ""

#: ../../library/email.policy.rst:382
msgid ""
"In addition to the settable attributes listed above that apply to all "
"policies, this policy adds the following additional attributes:"
msgstr ""

#: ../../library/email.policy.rst:385
msgid "[1]_"
msgstr ""

#: ../../library/email.policy.rst:390
msgid ""
"If ``False``, follow :rfc:`5322`, supporting non-ASCII characters in headers"
" by encoding them as \"encoded words\".  If ``True``, follow :rfc:`6532` and"
" use ``utf-8`` encoding for headers.  Messages formatted in this way may be "
"passed to SMTP servers that support the ``SMTPUTF8`` extension "
"(:rfc:`6531`)."
msgstr ""

#: ../../library/email.policy.rst:399
msgid ""
"If the value for a header in the ``Message`` object originated from a "
":mod:`~email.parser` (as opposed to being set by a program), this attribute "
"indicates whether or not a generator should refold that value when "
"transforming the message back into serialized form.  The possible values "
"are:"
msgstr ""

#: ../../library/email.policy.rst:406
msgid "``none``"
msgstr "``none``"

#: ../../library/email.policy.rst:406
msgid "all source values use original folding"
msgstr ""

#: ../../library/email.policy.rst:408
msgid "``long``"
msgstr "``long``"

#: ../../library/email.policy.rst:408
msgid ""
"source values that have any line that is longer than ``max_line_length`` "
"will be refolded"
msgstr ""

#: ../../library/email.policy.rst:411
msgid "``all``"
msgstr "``all``"

#: ../../library/email.policy.rst:411
msgid "all values are refolded."
msgstr ""

#: ../../library/email.policy.rst:414
msgid "The default is ``long``."
msgstr "デフォルトは ``long`` です。"

#: ../../library/email.policy.rst:419
msgid ""
"A callable that takes two arguments, ``name`` and ``value``, where ``name`` "
"is a header field name and ``value`` is an unfolded header field value, and "
"returns a string subclass that represents that header.  A default "
"``header_factory`` (see :mod:`~email.headerregistry`) is provided that "
"supports custom parsing for the various address and date :RFC:`5322` header "
"field types, and the major MIME header field stypes.  Support for additional"
" custom parsing will be added in the future."
msgstr ""

#: ../../library/email.policy.rst:430
msgid ""
"An object with at least two methods: get_content and set_content.  When the "
":meth:`~email.message.EmailMessage.get_content` or "
":meth:`~email.message.EmailMessage.set_content` method of an "
":class:`~email.message.EmailMessage` object is called, it calls the "
"corresponding method of this object, passing it the message object as its "
"first argument, and any arguments or keywords that were passed to it as "
"additional arguments.  By default ``content_manager`` is set to "
":data:`~email.contentmanager.raw_data_manager`."
msgstr ""

#: ../../library/email.policy.rst:442 ../../library/email.policy.rst:600
msgid ""
"The class provides the following concrete implementations of the abstract "
"methods of :class:`Policy`:"
msgstr "このクラスは :class:`Policy` の抽象メソッドの具象実装を提供します:"

#: ../../library/email.policy.rst:448
msgid ""
"Returns the value of the :attr:`~email.headerregistry.BaseHeader.max_count` "
"attribute of the specialized class used to represent the header with the "
"given name."
msgstr ""

#: ../../library/email.policy.rst:456 ../../library/email.policy.rst:606
msgid ""
"The name is parsed as everything up to the '``:``' and returned unmodified."
"  The value is determined by stripping leading whitespace off the remainder "
"of the first line, joining all subsequent lines together, and stripping any "
"trailing carriage return or linefeed characters."
msgstr ""

#: ../../library/email.policy.rst:464
msgid ""
"The name is returned unchanged.  If the input value has a ``name`` attribute"
" and it matches *name* ignoring case, the value is returned unchanged.  "
"Otherwise the *name* and *value* are passed to ``header_factory``, and the "
"resulting header object is returned as the value.  In this case a "
"``ValueError`` is raised if the input value contains CR or LF characters."
msgstr ""

#: ../../library/email.policy.rst:474
msgid ""
"If the value has a ``name`` attribute, it is returned to unmodified. "
"Otherwise the *name*, and the *value* with any CR or LF characters removed, "
"are passed to the ``header_factory``, and the resulting header object is "
"returned.  Any surrogateescaped bytes get turned into the unicode unknown-"
"character glyph."
msgstr ""

#: ../../library/email.policy.rst:483
msgid ""
"Header folding is controlled by the :attr:`refold_source` policy setting. A "
"value is considered to be a 'source value' if and only if it does not have a"
" ``name`` attribute (having a ``name`` attribute means it is a header object"
" of some sort).  If a source value needs to be refolded according to the "
"policy, it is converted into a header object by passing the *name* and the "
"*value* with any CR and LF characters removed to the ``header_factory``.  "
"Folding of a header object is done by calling its ``fold`` method with the "
"current policy."
msgstr ""

#: ../../library/email.policy.rst:492
msgid ""
"Source values are split into lines using :meth:`~str.splitlines`.  If the "
"value is not to be refolded, the lines are rejoined using the ``linesep`` "
"from the policy and returned.  The exception is lines containing non-ascii "
"binary data.  In that case the value is refolded regardless of the "
"``refold_source`` setting, which causes the binary data to be CTE encoded "
"using the ``unknown-8bit`` charset."
msgstr ""

#: ../../library/email.policy.rst:502
msgid ""
"The same as :meth:`fold` if :attr:`~Policy.cte_type` is ``7bit``, except "
"that the returned value is bytes."
msgstr ""
"返り値が bytes である点を除いて、:attr:`~Policy.cte_type` が ``7bit`` の場合は :meth:`fold` "
"と同じです。"

#: ../../library/email.policy.rst:505
msgid ""
"If :attr:`~Policy.cte_type` is ``8bit``, non-ASCII binary data is converted "
"back into bytes.  Headers with binary data are not refolded, regardless of "
"the ``refold_header`` setting, since there is no way to know whether the "
"binary data consists of single byte characters or multibyte characters."
msgstr ""

#: ../../library/email.policy.rst:512
msgid ""
"The following instances of :class:`EmailPolicy` provide defaults suitable "
"for specific application domains.  Note that in the future the behavior of "
"these instances (in particular the ``HTTP`` instance) may be adjusted to "
"conform even more closely to the RFCs relevant to their domains."
msgstr ""

#: ../../library/email.policy.rst:520
msgid ""
"An instance of ``EmailPolicy`` with all defaults unchanged.  This policy "
"uses the standard Python ``\\n`` line endings rather than the RFC-correct "
"``\\r\\n``."
msgstr ""
"デフォルト値を変更していない ``EmailPolicy`` のインスタンスです。このポリシーの行末は、 RFC で正しい ``\\r\\n`` "
"ではなく Python の標準の ``\\n`` です。"

#: ../../library/email.policy.rst:527
msgid ""
"Suitable for serializing messages in conformance with the email RFCs. Like "
"``default``, but with ``linesep`` set to ``\\r\\n``, which is RFC compliant."
msgstr ""

#: ../../library/email.policy.rst:534
msgid ""
"The same as ``SMTP`` except that :attr:`~EmailPolicy.utf8` is ``True``. "
"Useful for serializing messages to a message store without using encoded "
"words in the headers.  Should only be used for SMTP transmission if the "
"sender or recipient addresses have non-ASCII characters (the "
":meth:`smtplib.SMTP.send_message` method handles this automatically)."
msgstr ""

#: ../../library/email.policy.rst:543
msgid ""
"Suitable for serializing headers with for use in HTTP traffic.  Like "
"``SMTP`` except that ``max_line_length`` is set to ``None`` (unlimited)."
msgstr ""

#: ../../library/email.policy.rst:549
msgid ""
"Convenience instance.  The same as ``default`` except that "
"``raise_on_defect`` is set to ``True``.  This allows any policy to be made "
"strict by writing::"
msgstr ""

#: ../../library/email.policy.rst:556
msgid ""
"With all of these :class:`EmailPolicies <.EmailPolicy>`, the effective API "
"of the email package is changed from the Python 3.2 API in the following "
"ways:"
msgstr ""

#: ../../library/email.policy.rst:559
msgid ""
"Setting a header on a :class:`~email.message.Message` results in that header"
" being parsed and a header object created."
msgstr ""

#: ../../library/email.policy.rst:562
msgid ""
"Fetching a header value from a :class:`~email.message.Message` results in "
"that header being parsed and a header object created and returned."
msgstr ""

#: ../../library/email.policy.rst:566
msgid ""
"Any header object, or any header that is refolded due to the policy "
"settings, is folded using an algorithm that fully implements the RFC folding"
" algorithms, including knowing where encoded words are required and allowed."
msgstr ""

#: ../../library/email.policy.rst:571
msgid ""
"From the application view, this means that any header obtained through the "
":class:`~email.message.EmailMessage` is a header object with extra "
"attributes, whose string value is the fully decoded unicode value of the "
"header.  Likewise, a header may be assigned a new value, or a new header "
"created, using a unicode string, and the policy will take care of converting"
" the unicode string into the correct RFC encoded form."
msgstr ""

#: ../../library/email.policy.rst:578
msgid ""
"The header objects and their attributes are described in "
":mod:`~email.headerregistry`."
msgstr "ヘッダオブジェクトとその属性は :mod:`~email.headerregistry` で述べられています。"

#: ../../library/email.policy.rst:585
msgid ""
"This concrete :class:`Policy` is the backward compatibility policy.  It "
"replicates the behavior of the email package in Python 3.2.  The "
":mod:`~email.policy` module also defines an instance of this class, "
":const:`compat32`, that is used as the default policy.  Thus the default "
"behavior of the email package is to maintain compatibility with Python 3.2."
msgstr ""

#: ../../library/email.policy.rst:591
msgid ""
"The following attributes have values that are different from the "
":class:`Policy` default:"
msgstr "以下の属性は :class:`Policy` デフォルトとは異なる値を持ちます:"

#: ../../library/email.policy.rst:597
msgid "The default is ``True``."
msgstr "デフォルトは ``True`` です。"

#: ../../library/email.policy.rst:614
msgid "The name and value are returned unmodified."
msgstr "名前と値は変更されずに返されます。"

#: ../../library/email.policy.rst:619
msgid ""
"If the value contains binary data, it is converted into a "
":class:`~email.header.Header` object using the ``unknown-8bit`` charset. "
"Otherwise it is returned unmodified."
msgstr ""

#: ../../library/email.policy.rst:626
msgid ""
"Headers are folded using the :class:`~email.header.Header` folding "
"algorithm, which preserves existing line breaks in the value, and wraps each"
" resulting line to the ``max_line_length``.  Non-ASCII binary data are CTE "
"encoded using the ``unknown-8bit`` charset."
msgstr ""

#: ../../library/email.policy.rst:634
msgid ""
"Headers are folded using the :class:`~email.header.Header` folding "
"algorithm, which preserves existing line breaks in the value, and wraps each"
" resulting line to the ``max_line_length``.  If ``cte_type`` is ``7bit``, "
"non-ascii binary data is CTE encoded using the ``unknown-8bit`` charset.  "
"Otherwise the original source header is used, with its existing line breaks "
"and any (RFC invalid) binary data it may contain."
msgstr ""

#: ../../library/email.policy.rst:644
msgid ""
"An instance of :class:`Compat32`, providing  backward compatibility with the"
" behavior of the email package in Python 3.2."
msgstr ":class:`Compat32` のインスタンスで、Python 3.2 の email パッケージの挙動との後方互換性を提供します。"

#: ../../library/email.policy.rst:649
msgid "Footnotes"
msgstr "脚注"

#: ../../library/email.policy.rst:650
msgid ""
"Originally added in 3.3 as a :term:`provisional feature <provisional "
"package>`."
msgstr ""