python-docs-fr/howto/enum.po

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#: howto/enum.rst:3
msgid "Enum HOWTO"
msgstr ""

#: howto/enum.rst:9
msgid ""
"An :class:`Enum` is a set of symbolic names bound to unique values.  They "
"are similar to global variables, but they offer a more useful :func:"
"`repr()`, grouping, type-safety, and a few other features."
msgstr ""

#: howto/enum.rst:13
msgid ""
"They are most useful when you have a variable that can take one of a limited "
"selection of values.  For example, the days of the week::"
msgstr ""

#: howto/enum.rst:26
msgid "Or perhaps the RGB primary colors::"
msgstr ""

#: howto/enum.rst:34
msgid ""
"As you can see, creating an :class:`Enum` is as simple as writing a class "
"that inherits from :class:`Enum` itself."
msgstr ""

#: howto/enum.rst:37
msgid "Case of Enum Members"
msgstr ""

#: howto/enum.rst:39
msgid ""
"Because Enums are used to represent constants we recommend using UPPER_CASE "
"names for members, and will be using that style in our examples."
msgstr ""

#: howto/enum.rst:42
msgid ""
"Depending on the nature of the enum a member's value may or may not be "
"important, but either way that value can be used to get the corresponding "
"member::"
msgstr ""

#: howto/enum.rst:49
msgid ""
"As you can see, the ``repr()`` of a member shows the enum name, the member "
"name, and the value.  The ``str()`` of a member shows only the enum name and "
"member name::"
msgstr ""

#: howto/enum.rst:56
msgid "The *type* of an enumeration member is the enum it belongs to::"
msgstr ""

#: howto/enum.rst:63
msgid "Enum members have an attribute that contains just their :attr:`name`::"
msgstr ""

#: howto/enum.rst:68
msgid "Likewise, they have an attribute for their :attr:`value`::"
msgstr ""

#: howto/enum.rst:74
msgid ""
"Unlike many languages that treat enumerations solely as name/value pairs, "
"Python Enums can have behavior added.  For example, :class:`datetime.date` "
"has two methods for returning the weekday: :meth:`weekday` and :meth:"
"`isoweekday`. The difference is that one of them counts from 0-6 and the "
"other from 1-7. Rather than keep track of that ourselves we can add a method "
"to the :class:`Weekday` enum to extract the day from the :class:`date` "
"instance and return the matching enum member::"
msgstr ""

#: howto/enum.rst:86
msgid "The complete :class:`Weekday` enum now looks like this::"
msgstr ""

#: howto/enum.rst:101
msgid "Now we can find out what today is!  Observe::"
msgstr ""

#: howto/enum.rst:107
msgid ""
"Of course, if you're reading this on some other day, you'll see that day "
"instead."
msgstr ""

#: howto/enum.rst:109
msgid ""
"This :class:`Weekday` enum is great if our variable only needs one day, but "
"what if we need several?  Maybe we're writing a function to plot chores "
"during a week, and don't want to use a :class:`list` -- we could use a "
"different type of :class:`Enum`::"
msgstr ""

#: howto/enum.rst:124
msgid ""
"We've changed two things: we're inherited from :class:`Flag`, and the values "
"are all powers of 2."
msgstr ""

#: howto/enum.rst:127
msgid ""
"Just like the original :class:`Weekday` enum above, we can have a single "
"selection::"
msgstr ""

#: howto/enum.rst:133
msgid ""
"But :class:`Flag` also allows us to combine several members into a single "
"variable::"
msgstr ""

#: howto/enum.rst:140
msgid "You can even iterate over a :class:`Flag` variable::"
msgstr ""

#: howto/enum.rst:147
msgid "Okay, let's get some chores set up::"
msgstr ""

#: howto/enum.rst:155
msgid "And a function to display the chores for a given day::"
msgstr ""

#: howto/enum.rst:164
msgid ""
"In cases where the actual values of the members do not matter, you can save "
"yourself some work and use :func:`auto()` for the values::"
msgstr ""

#: howto/enum.rst:182
msgid "Programmatic access to enumeration members and their attributes"
msgstr ""

#: howto/enum.rst:184
msgid ""
"Sometimes it's useful to access members in enumerations programmatically (i."
"e. situations where ``Color.RED`` won't do because the exact color is not "
"known at program-writing time).  ``Enum`` allows such access::"
msgstr ""

#: howto/enum.rst:193
msgid "If you want to access enum members by *name*, use item access::"
msgstr ""

#: howto/enum.rst:200
msgid "If you have an enum member and need its :attr:`name` or :attr:`value`::"
msgstr ""

#: howto/enum.rst:210
msgid "Duplicating enum members and values"
msgstr ""

#: howto/enum.rst:212
msgid "Having two enum members with the same name is invalid::"
msgstr ""

#: howto/enum.rst:222
msgid ""
"However, an enum member can have other names associated with it.  Given two "
"entries ``A`` and ``B`` with the same value (and ``A`` defined first), ``B`` "
"is an alias for the member ``A``.  By-value lookup of the value of ``A`` "
"will return the member ``A``.  By-name lookup of ``A`` will return the "
"member ``A``. By-name lookup of ``B`` will also return the member ``A``::"
msgstr ""

#: howto/enum.rst:243
msgid ""
"Attempting to create a member with the same name as an already defined "
"attribute (another member, a method, etc.) or attempting to create an "
"attribute with the same name as a member is not allowed."
msgstr ""

#: howto/enum.rst:249
msgid "Ensuring unique enumeration values"
msgstr ""

#: howto/enum.rst:251
msgid ""
"By default, enumerations allow multiple names as aliases for the same value. "
"When this behavior isn't desired, you can use the :func:`unique` decorator::"
msgstr ""

#: howto/enum.rst:268
msgid "Using automatic values"
msgstr ""

#: howto/enum.rst:270
msgid "If the exact value is unimportant you can use :class:`auto`::"
msgstr ""

#: howto/enum.rst:281
msgid ""
"The values are chosen by :func:`_generate_next_value_`, which can be "
"overridden::"
msgstr ""

#: howto/enum.rst:299
msgid ""
"The :meth:`_generate_next_value_` method must be defined before any members."
msgstr ""

#: howto/enum.rst:302
msgid "Iteration"
msgstr ""

#: howto/enum.rst:304
msgid "Iterating over the members of an enum does not provide the aliases::"
msgstr ""

#: howto/enum.rst:309
msgid ""
"The special attribute ``__members__`` is a read-only ordered mapping of "
"names to members.  It includes all names defined in the enumeration, "
"including the aliases::"
msgstr ""

#: howto/enum.rst:321
msgid ""
"The ``__members__`` attribute can be used for detailed programmatic access "
"to the enumeration members.  For example, finding all the aliases::"
msgstr ""

#: howto/enum.rst:329
msgid "Comparisons"
msgstr ""

#: howto/enum.rst:331
msgid "Enumeration members are compared by identity::"
msgstr ""

#: howto/enum.rst:340
msgid ""
"Ordered comparisons between enumeration values are *not* supported.  Enum "
"members are not integers (but see `IntEnum`_ below)::"
msgstr ""

#: howto/enum.rst:348
msgid "Equality comparisons are defined though::"
msgstr ""

#: howto/enum.rst:357
msgid ""
"Comparisons against non-enumeration values will always compare not equal "
"(again, :class:`IntEnum` was explicitly designed to behave differently, see "
"below)::"
msgstr ""

#: howto/enum.rst:366
msgid "Allowed members and attributes of enumerations"
msgstr ""

#: howto/enum.rst:368
msgid ""
"Most of the examples above use integers for enumeration values.  Using "
"integers is short and handy (and provided by default by the `Functional "
"API`_), but not strictly enforced.  In the vast majority of use-cases, one "
"doesn't care what the actual value of an enumeration is.  But if the value "
"*is* important, enumerations can have arbitrary values."
msgstr ""

#: howto/enum.rst:374
msgid ""
"Enumerations are Python classes, and can have methods and special methods as "
"usual.  If we have this enumeration::"
msgstr ""

#: howto/enum.rst:394
msgid "Then::"
msgstr ""

#: howto/enum.rst:403
msgid ""
"The rules for what is allowed are as follows: names that start and end with "
"a single underscore are reserved by enum and cannot be used; all other "
"attributes defined within an enumeration will become members of this "
"enumeration, with the exception of special methods (:meth:`__str__`, :meth:"
"`__add__`, etc.), descriptors (methods are also descriptors), and variable "
"names listed in :attr:`_ignore_`."
msgstr ""

#: howto/enum.rst:410
msgid ""
"Note:  if your enumeration defines :meth:`__new__` and/or :meth:`__init__` "
"then any value(s) given to the enum member will be passed into those "
"methods. See `Planet`_ for an example."
msgstr ""

#: howto/enum.rst:416
msgid "Restricted Enum subclassing"
msgstr ""

#: howto/enum.rst:418
msgid ""
"A new :class:`Enum` class must have one base enum class, up to one concrete "
"data type, and as many :class:`object`-based mixin classes as needed.  The "
"order of these base classes is::"
msgstr ""

#: howto/enum.rst:425
msgid ""
"Also, subclassing an enumeration is allowed only if the enumeration does not "
"define any members.  So this is forbidden::"
msgstr ""

#: howto/enum.rst:435
msgid "But this is allowed::"
msgstr ""

#: howto/enum.rst:446
msgid ""
"Allowing subclassing of enums that define members would lead to a violation "
"of some important invariants of types and instances.  On the other hand, it "
"makes sense to allow sharing some common behavior between a group of "
"enumerations. (See `OrderedEnum`_ for an example.)"
msgstr ""

#: howto/enum.rst:453
msgid "Pickling"
msgstr ""

#: howto/enum.rst:455
msgid "Enumerations can be pickled and unpickled::"
msgstr ""

#: howto/enum.rst:462
msgid ""
"The usual restrictions for pickling apply: picklable enums must be defined "
"in the top level of a module, since unpickling requires them to be "
"importable from that module."
msgstr ""

#: howto/enum.rst:468
msgid ""
"With pickle protocol version 4 it is possible to easily pickle enums nested "
"in other classes."
msgstr ""

#: howto/enum.rst:471
msgid ""
"It is possible to modify how enum members are pickled/unpickled by defining :"
"meth:`__reduce_ex__` in the enumeration class."
msgstr ""

#: howto/enum.rst:476
msgid "Functional API"
msgstr ""

#: howto/enum.rst:478
msgid ""
"The :class:`Enum` class is callable, providing the following functional API::"
msgstr ""

#: howto/enum.rst:488
msgid ""
"The semantics of this API resemble :class:`~collections.namedtuple`. The "
"first argument of the call to :class:`Enum` is the name of the enumeration."
msgstr ""

#: howto/enum.rst:491
msgid ""
"The second argument is the *source* of enumeration member names.  It can be "
"a whitespace-separated string of names, a sequence of names, a sequence of 2-"
"tuples with key/value pairs, or a mapping (e.g. dictionary) of names to "
"values.  The last two options enable assigning arbitrary values to "
"enumerations; the others auto-assign increasing integers starting with 1 "
"(use the ``start`` parameter to specify a different starting value).  A new "
"class derived from :class:`Enum` is returned.  In other words, the above "
"assignment to :class:`Animal` is equivalent to::"
msgstr ""

#: howto/enum.rst:507
msgid ""
"The reason for defaulting to ``1`` as the starting number and not ``0`` is "
"that ``0`` is ``False`` in a boolean sense, but by default enum members all "
"evaluate to ``True``."
msgstr ""

#: howto/enum.rst:511
msgid ""
"Pickling enums created with the functional API can be tricky as frame stack "
"implementation details are used to try and figure out which module the "
"enumeration is being created in (e.g. it will fail if you use a utility "
"function in a separate module, and also may not work on IronPython or "
"Jython). The solution is to specify the module name explicitly as follows::"
msgstr ""

#: howto/enum.rst:521
msgid ""
"If ``module`` is not supplied, and Enum cannot determine what it is, the new "
"Enum members will not be unpicklable; to keep errors closer to the source, "
"pickling will be disabled."
msgstr ""

#: howto/enum.rst:525
msgid ""
"The new pickle protocol 4 also, in some circumstances, relies on :attr:"
"`~definition.__qualname__` being set to the location where pickle will be "
"able to find the class.  For example, if the class was made available in "
"class SomeData in the global scope::"
msgstr ""

#: howto/enum.rst:532
msgid "The complete signature is::"
msgstr ""

#: howto/enum.rst:0
msgid "value"
msgstr ""

#: howto/enum.rst:544
msgid "What the new enum class will record as its name."
msgstr ""

#: howto/enum.rst:0
msgid "names"
msgstr ""

#: howto/enum.rst:546
msgid ""
"The enum members.  This can be a whitespace- or comma-separated string "
"(values will start at 1 unless otherwise specified)::"
msgstr ""

#: howto/enum.rst:551
msgid "or an iterator of names::"
msgstr ""

#: howto/enum.rst:555
msgid "or an iterator of (name, value) pairs::"
msgstr ""

#: howto/enum.rst:559
msgid "or a mapping::"
msgstr ""

#: howto/enum.rst:0
msgid "module"
msgstr ""

#: howto/enum.rst:563
msgid "name of module where new enum class can be found."
msgstr ""

#: howto/enum.rst:0
msgid "qualname"
msgstr ""

#: howto/enum.rst:565
msgid "where in module new enum class can be found."
msgstr ""

#: howto/enum.rst:0
msgid "type"
msgstr ""

#: howto/enum.rst:567
msgid "type to mix in to new enum class."
msgstr ""

#: howto/enum.rst:0
msgid "start"
msgstr ""

#: howto/enum.rst:569
msgid "number to start counting at if only names are passed in."
msgstr ""

#: howto/enum.rst:571
msgid "The *start* parameter was added."
msgstr ""

#: howto/enum.rst:576
msgid "Derived Enumerations"
msgstr ""

#: howto/enum.rst:579
msgid "IntEnum"
msgstr ""

#: howto/enum.rst:581
msgid ""
"The first variation of :class:`Enum` that is provided is also a subclass of :"
"class:`int`.  Members of an :class:`IntEnum` can be compared to integers; by "
"extension, integer enumerations of different types can also be compared to "
"each other::"
msgstr ""

#: howto/enum.rst:602
msgid ""
"However, they still can't be compared to standard :class:`Enum` "
"enumerations::"
msgstr ""

#: howto/enum.rst:615
msgid ""
":class:`IntEnum` values behave like integers in other ways you'd expect::"
msgstr ""

#: howto/enum.rst:626
msgid "StrEnum"
msgstr ""

#: howto/enum.rst:628
msgid ""
"The second variation of :class:`Enum` that is provided is also a subclass "
"of :class:`str`.  Members of a :class:`StrEnum` can be compared to strings; "
"by extension, string enumerations of different types can also be compared to "
"each other."
msgstr ""

#: howto/enum.rst:637
msgid "IntFlag"
msgstr ""

#: howto/enum.rst:639
msgid ""
"The next variation of :class:`Enum` provided, :class:`IntFlag`, is also "
"based on :class:`int`.  The difference being :class:`IntFlag` members can be "
"combined using the bitwise operators (&, \\|, ^, ~) and the result is still "
"an :class:`IntFlag` member, if possible.  Like :class:`IntEnum`, :class:"
"`IntFlag` members are also integers and can be used wherever an :class:`int` "
"is used."
msgstr ""

#: howto/enum.rst:647
msgid ""
"Any operation on an :class:`IntFlag` member besides the bit-wise operations "
"will lose the :class:`IntFlag` membership."
msgstr ""

#: howto/enum.rst:650
msgid ""
"Bit-wise operations that result in invalid :class:`IntFlag` values will lose "
"the :class:`IntFlag` membership.  See :class:`FlagBoundary` for details."
msgstr ""

#: howto/enum.rst:657
msgid "Sample :class:`IntFlag` class::"
msgstr ""

#: howto/enum.rst:673
msgid "It is also possible to name the combinations::"
msgstr ""

#: howto/enum.rst:689
msgid ""
"Named combinations are considered aliases.  Aliases do not show up during "
"iteration, but can be returned from by-value lookups."
msgstr ""

#: howto/enum.rst:694
msgid ""
"Another important difference between :class:`IntFlag` and :class:`Enum` is "
"that if no flags are set (the value is 0), its boolean evaluation is :data:"
"`False`::"
msgstr ""

#: howto/enum.rst:702
msgid ""
"Because :class:`IntFlag` members are also subclasses of :class:`int` they "
"can be combined with them (but may lose :class:`IntFlag` membership::"
msgstr ""

#: howto/enum.rst:713
msgid ""
"The negation operator, ``~``, always returns an :class:`IntFlag` member with "
"a positive value::"
msgstr ""

#: howto/enum.rst:719
msgid ":class:`IntFlag` members can also be iterated over::"
msgstr ""

#: howto/enum.rst:728
msgid "Flag"
msgstr ""

#: howto/enum.rst:730
msgid ""
"The last variation is :class:`Flag`.  Like :class:`IntFlag`, :class:`Flag` "
"members can be combined using the bitwise operators (&, \\|, ^, ~).  Unlike :"
"class:`IntFlag`, they cannot be combined with, nor compared against, any "
"other :class:`Flag` enumeration, nor :class:`int`.  While it is possible to "
"specify the values directly it is recommended to use :class:`auto` as the "
"value and let :class:`Flag` select an appropriate value."
msgstr ""

#: howto/enum.rst:739
msgid ""
"Like :class:`IntFlag`, if a combination of :class:`Flag` members results in "
"no flags being set, the boolean evaluation is :data:`False`::"
msgstr ""

#: howto/enum.rst:753
msgid ""
"Individual flags should have values that are powers of two (1, 2, 4, "
"8, ...), while combinations of flags won't::"
msgstr ""

#: howto/enum.rst:765
msgid ""
"Giving a name to the \"no flags set\" condition does not change its boolean "
"value::"
msgstr ""

#: howto/enum.rst:779
msgid ":class:`Flag` members can also be iterated over::"
msgstr ""

#: howto/enum.rst:789
msgid ""
"For the majority of new code, :class:`Enum` and :class:`Flag` are strongly "
"recommended, since :class:`IntEnum` and :class:`IntFlag` break some semantic "
"promises of an enumeration (by being comparable to integers, and thus by "
"transitivity to other unrelated enumerations).  :class:`IntEnum` and :class:"
"`IntFlag` should be used only in cases where :class:`Enum` and :class:`Flag` "
"will not do; for example, when integer constants are replaced with "
"enumerations, or for interoperability with other systems."
msgstr ""

#: howto/enum.rst:799
msgid "Others"
msgstr ""

#: howto/enum.rst:801
msgid ""
"While :class:`IntEnum` is part of the :mod:`enum` module, it would be very "
"simple to implement independently::"
msgstr ""

#: howto/enum.rst:807
msgid ""
"This demonstrates how similar derived enumerations can be defined; for "
"example a :class:`FloatEnum` that mixes in :class:`float` instead of :class:"
"`int`."
msgstr ""

#: howto/enum.rst:810
msgid "Some rules:"
msgstr ""

#: howto/enum.rst:812
msgid ""
"When subclassing :class:`Enum`, mix-in types must appear before :class:"
"`Enum` itself in the sequence of bases, as in the :class:`IntEnum` example "
"above."
msgstr ""

#: howto/enum.rst:815
msgid ""
"Mix-in types must be subclassable. For example, :class:`bool` and :class:"
"`range` are not subclassable and will throw an error during Enum creation if "
"used as the mix-in type."
msgstr ""

#: howto/enum.rst:818
msgid ""
"While :class:`Enum` can have members of any type, once you mix in an "
"additional type, all the members must have values of that type, e.g. :class:"
"`int` above.  This restriction does not apply to mix-ins which only add "
"methods and don't specify another type."
msgstr ""

#: howto/enum.rst:822
msgid ""
"When another data type is mixed in, the :attr:`value` attribute is *not the "
"same* as the enum member itself, although it is equivalent and will compare "
"equal."
msgstr ""

#: howto/enum.rst:825
msgid ""
"%-style formatting:  ``%s`` and ``%r`` call the :class:`Enum` class's :meth:"
"`__str__` and :meth:`__repr__` respectively; other codes (such as ``%i`` or "
"``%h`` for IntEnum) treat the enum member as its mixed-in type."
msgstr ""

#: howto/enum.rst:828
msgid ""
":ref:`Formatted string literals <f-strings>`, :meth:`str.format`, and :func:"
"`format` will use the enum's :meth:`__str__` method."
msgstr ""

#: howto/enum.rst:833
msgid ""
"Because :class:`IntEnum`, :class:`IntFlag`, and :class:`StrEnum` are "
"designed to be drop-in replacements for existing constants, their :meth:"
"`__str__` method has been reset to their data types :meth:`__str__` method."
msgstr ""

#: howto/enum.rst:839
msgid "When to use :meth:`__new__` vs. :meth:`__init__`"
msgstr ""

#: howto/enum.rst:841
msgid ""
":meth:`__new__` must be used whenever you want to customize the actual value "
"of the :class:`Enum` member.  Any other modifications may go in either :meth:"
"`__new__` or :meth:`__init__`, with :meth:`__init__` being preferred."
msgstr ""

#: howto/enum.rst:845
msgid ""
"For example, if you want to pass several items to the constructor, but only "
"want one of them to be the value::"
msgstr ""

#: howto/enum.rst:872
msgid "Finer Points"
msgstr ""

#: howto/enum.rst:875
msgid "Supported ``__dunder__`` names"
msgstr ""

#: howto/enum.rst:877
msgid ""
":attr:`__members__` is a read-only ordered mapping of ``member_name``:"
"``member`` items.  It is only available on the class."
msgstr ""

#: howto/enum.rst:880
msgid ""
":meth:`__new__`, if specified, must create and return the enum members; it "
"is also a very good idea to set the member's :attr:`_value_` appropriately.  "
"Once all the members are created it is no longer used."
msgstr ""

#: howto/enum.rst:886
msgid "Supported ``_sunder_`` names"
msgstr ""

#: howto/enum.rst:888
msgid "``_name_`` -- name of the member"
msgstr ""

#: howto/enum.rst:889
msgid ""
"``_value_`` -- value of the member; can be set / modified in ``__new__``"
msgstr ""

#: howto/enum.rst:891
msgid ""
"``_missing_`` -- a lookup function used when a value is not found; may be "
"overridden"
msgstr ""

#: howto/enum.rst:893
msgid ""
"``_ignore_`` -- a list of names, either as a :class:`list` or a :class:"
"`str`, that will not be transformed into members, and will be removed from "
"the final class"
msgstr ""

#: howto/enum.rst:896
msgid ""
"``_order_`` -- used in Python 2/3 code to ensure member order is consistent "
"(class attribute, removed during class creation)"
msgstr ""

#: howto/enum.rst:898
msgid ""
"``_generate_next_value_`` -- used by the `Functional API`_ and by :class:"
"`auto` to get an appropriate value for an enum member; may be overridden"
msgstr ""

#: howto/enum.rst:904
msgid ""
"For standard :class:`Enum` classes the next value chosen is the last value "
"seen incremented by one."
msgstr ""

#: howto/enum.rst:907
msgid ""
"For :class:`Flag` classes the next value chosen will be the next highest "
"power-of-two, regardless of the last value seen."
msgstr ""

#: howto/enum.rst:910
msgid "``_missing_``, ``_order_``, ``_generate_next_value_``"
msgstr ""

#: howto/enum.rst:911
msgid "``_ignore_``"
msgstr ""

#: howto/enum.rst:913
msgid ""
"To help keep Python 2 / Python 3 code in sync an :attr:`_order_` attribute "
"can be provided.  It will be checked against the actual order of the "
"enumeration and raise an error if the two do not match::"
msgstr ""

#: howto/enum.rst:931
msgid ""
"In Python 2 code the :attr:`_order_` attribute is necessary as definition "
"order is lost before it can be recorded."
msgstr ""

#: howto/enum.rst:936
msgid "_Private__names"
msgstr ""

#: howto/enum.rst:938
msgid ""
":ref:`Private names <private-name-mangling>` are not converted to enum "
"members, but remain normal attributes."
msgstr ""

#: howto/enum.rst:945
msgid "``Enum`` member type"
msgstr ""

#: howto/enum.rst:947
msgid ""
"Enum members are instances of their enum class, and are normally accessed as "
"``EnumClass.member``.  In Python versions ``3.5`` to ``3.10`` you could "
"access members from other members -- this practice was discouraged, and in "
"``3.11`` :class:`Enum` returns to not allowing it::"
msgstr ""

#: howto/enum.rst:968
msgid "Creating members that are mixed with other data types"
msgstr ""

#: howto/enum.rst:970
msgid ""
"When subclassing other data types, such as :class:`int` or :class:`str`, "
"with an :class:`Enum`, all values after the ``=`` are passed to that data "
"type's constructor.  For example::"
msgstr ""

#: howto/enum.rst:982
msgid "Boolean value of ``Enum`` classes and members"
msgstr ""

#: howto/enum.rst:984
msgid ""
"Enum classes that are mixed with non-:class:`Enum` types (such as :class:"
"`int`, :class:`str`, etc.) are evaluated according to the mixed-in type's "
"rules; otherwise, all members evaluate as :data:`True`.  To make your own "
"enum's boolean evaluation depend on the member's value add the following to "
"your class::"
msgstr ""

#: howto/enum.rst:993
msgid "Plain :class:`Enum` classes always evaluate as :data:`True`."
msgstr ""

#: howto/enum.rst:997
msgid "``Enum`` classes with methods"
msgstr ""

#: howto/enum.rst:999
msgid ""
"If you give your enum subclass extra methods, like the `Planet`_ class "
"below, those methods will show up in a :func:`dir` of the member, but not of "
"the class::"
msgstr ""

#: howto/enum.rst:1010
msgid "Combining members of ``Flag``"
msgstr ""

#: howto/enum.rst:1012
msgid ""
"Iterating over a combination of :class:`Flag` members will only return the "
"members that are comprised of a single bit::"
msgstr ""

#: howto/enum.rst:1030
msgid "``Flag`` and ``IntFlag`` minutia"
msgstr ""

#: howto/enum.rst:1032
msgid "Using the following snippet for our examples::"
msgstr ""

#: howto/enum.rst:1043
msgid "the following are true:"
msgstr ""

#: howto/enum.rst:1045
msgid "single-bit flags are canonical"
msgstr ""

#: howto/enum.rst:1046
msgid "multi-bit and zero-bit flags are aliases"
msgstr ""

#: howto/enum.rst:1047
msgid "only canonical flags are returned during iteration::"
msgstr ""

#: howto/enum.rst:1052
msgid ""
"negating a flag or flag set returns a new flag/flag set with the "
"corresponding positive integer value::"
msgstr ""

#: howto/enum.rst:1061
msgid "names of pseudo-flags are constructed from their members' names::"
msgstr ""

#: howto/enum.rst:1066
msgid "multi-bit flags, aka aliases, can be returned from operations::"
msgstr ""

#: howto/enum.rst:1077
msgid ""
"membership / containment checking: zero-valued flags are always considered "
"to be contained::"
msgstr ""

#: howto/enum.rst:1083
msgid ""
"otherwise, only if all bits of one flag are in the other flag will True be "
"returned::"
msgstr ""

#: howto/enum.rst:1092
msgid ""
"There is a new boundary mechanism that controls how out-of-range / invalid "
"bits are handled: ``STRICT``, ``CONFORM``, ``EJECT``, and ``KEEP``:"
msgstr ""

#: howto/enum.rst:1095
msgid "STRICT --> raises an exception when presented with invalid values"
msgstr ""

#: howto/enum.rst:1096
msgid "CONFORM --> discards any invalid bits"
msgstr ""

#: howto/enum.rst:1097
msgid "EJECT --> lose Flag status and become a normal int with the given value"
msgstr ""

#: howto/enum.rst:1101
msgid "KEEP --> keep the extra bits"
msgstr ""

#: howto/enum.rst:1099
msgid "keeps Flag status and extra bits"
msgstr ""

#: howto/enum.rst:1100
msgid "extra bits do not show up in iteration"
msgstr ""

#: howto/enum.rst:1101
msgid "extra bits do show up in repr() and str()"
msgstr ""

#: howto/enum.rst:1103
msgid ""
"The default for Flag is ``STRICT``, the default for ``IntFlag`` is "
"``EJECT``, and the default for ``_convert_`` is ``KEEP`` (see ``ssl."
"Options`` for an example of when ``KEEP`` is needed)."
msgstr ""

#: howto/enum.rst:1111
msgid "How are Enums different?"
msgstr ""

#: howto/enum.rst:1113
msgid ""
"Enums have a custom metaclass that affects many aspects of both derived :"
"class:`Enum` classes and their instances (members)."
msgstr ""

#: howto/enum.rst:1118
msgid "Enum Classes"
msgstr ""

#: howto/enum.rst:1120
msgid ""
"The :class:`EnumType` metaclass is responsible for providing the :meth:"
"`__contains__`, :meth:`__dir__`, :meth:`__iter__` and other methods that "
"allow one to do things with an :class:`Enum` class that fail on a typical "
"class, such as `list(Color)` or `some_enum_var in Color`.  :class:`EnumType` "
"is responsible for ensuring that various other methods on the final :class:"
"`Enum` class are correct (such as :meth:`__new__`, :meth:`__getnewargs__`, :"
"meth:`__str__` and :meth:`__repr__`)."
msgstr ""

#: howto/enum.rst:1130
msgid "Enum Members (aka instances)"
msgstr ""

#: howto/enum.rst:1132
msgid ""
"The most interesting thing about enum members is that they are singletons. :"
"class:`EnumType` creates them all while it is creating the enum class "
"itself, and then puts a custom :meth:`__new__` in place to ensure that no "
"new ones are ever instantiated by returning only the existing member "
"instances."
msgstr ""

#: howto/enum.rst:1141
msgid ""
"While :class:`Enum`, :class:`IntEnum`, :class:`StrEnum`, :class:`Flag`, and :"
"class:`IntFlag` are expected to cover the majority of use-cases, they cannot "
"cover them all.  Here are recipes for some different types of enumerations "
"that can be used directly, or as examples for creating one's own."
msgstr ""

#: howto/enum.rst:1148
msgid "Omitting values"
msgstr ""

#: howto/enum.rst:1150
msgid ""
"In many use-cases, one doesn't care what the actual value of an enumeration "
"is. There are several ways to define this type of simple enumeration:"
msgstr ""

#: howto/enum.rst:1153
msgid "use instances of :class:`auto` for the value"
msgstr ""

#: howto/enum.rst:1154
msgid "use instances of :class:`object` as the value"
msgstr ""

#: howto/enum.rst:1155
msgid "use a descriptive string as the value"
msgstr ""

#: howto/enum.rst:1156
msgid ""
"use a tuple as the value and a custom :meth:`__new__` to replace the tuple "
"with an :class:`int` value"
msgstr ""

#: howto/enum.rst:1159
msgid ""
"Using any of these methods signifies to the user that these values are not "
"important, and also enables one to add, remove, or reorder members without "
"having to renumber the remaining members."
msgstr ""

#: howto/enum.rst:1165
msgid "Using :class:`auto`"
msgstr ""

#: howto/enum.rst:1167
msgid "Using :class:`auto` would look like::"
msgstr ""

#: howto/enum.rst:1179
msgid "Using :class:`object`"
msgstr ""

#: howto/enum.rst:1181
msgid "Using :class:`object` would look like::"
msgstr ""

#: howto/enum.rst:1191
msgid ""
"This is also a good example of why you might want to write your own :meth:"
"`__repr__`::"
msgstr ""

#: howto/enum.rst:1207
msgid "Using a descriptive string"
msgstr ""

#: howto/enum.rst:1209
msgid "Using a string as the value would look like::"
msgstr ""

#: howto/enum.rst:1221
msgid "Using a custom :meth:`__new__`"
msgstr ""

#: howto/enum.rst:1223
msgid "Using an auto-numbering :meth:`__new__` would look like::"
msgstr ""

#: howto/enum.rst:1240
msgid ""
"To make a more general purpose ``AutoNumber``, add ``*args`` to the "
"signature::"
msgstr ""

#: howto/enum.rst:1250
msgid ""
"Then when you inherit from ``AutoNumber`` you can write your own "
"``__init__`` to handle any extra arguments::"
msgstr ""

#: howto/enum.rst:1269
msgid ""
"The :meth:`__new__` method, if defined, is used during creation of the Enum "
"members; it is then replaced by Enum's :meth:`__new__` which is used after "
"class creation for lookup of existing members."
msgstr ""

#: howto/enum.rst:1275
msgid "OrderedEnum"
msgstr ""

#: howto/enum.rst:1277
msgid ""
"An ordered enumeration that is not based on :class:`IntEnum` and so "
"maintains the normal :class:`Enum` invariants (such as not being comparable "
"to other enumerations)::"
msgstr ""

#: howto/enum.rst:1311
msgid "DuplicateFreeEnum"
msgstr ""

#: howto/enum.rst:1313
msgid ""
"Raises an error if a duplicate member name is found instead of creating an "
"alias::"
msgstr ""

#: howto/enum.rst:1338
msgid ""
"This is a useful example for subclassing Enum to add or change other "
"behaviors as well as disallowing aliases.  If the only desired change is "
"disallowing aliases, the :func:`unique` decorator can be used instead."
msgstr ""

#: howto/enum.rst:1344
msgid "Planet"
msgstr ""

#: howto/enum.rst:1346
msgid ""
"If :meth:`__new__` or :meth:`__init__` is defined, the value of the enum "
"member will be passed to those methods::"
msgstr ""

#: howto/enum.rst:1375
msgid "TimePeriod"
msgstr ""

#: howto/enum.rst:1377
msgid "An example to show the :attr:`_ignore_` attribute in use::"
msgstr ""

#: howto/enum.rst:1396
msgid "Subclassing EnumType"
msgstr ""

#: howto/enum.rst:1398
msgid ""
"While most enum needs can be met by customizing :class:`Enum` subclasses, "
"either with class decorators or custom functions, :class:`EnumType` can be "
"subclassed to provide a different Enum experience."
msgstr ""