glossary.po

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#: ../../glossary.rst:5
msgid "Glossary"
msgstr ""

#: ../../glossary.rst:10
msgid "``>>>``"
msgstr ""

#: ../../glossary.rst:12
msgid ""
"The default Python prompt of the interactive shell.  Often seen for code "
"examples which can be executed interactively in the interpreter."
msgstr ""

#: ../../glossary.rst:14
msgid "``...``"
msgstr ""

#: ../../glossary.rst:16
msgid ""
"The default Python prompt of the interactive shell when entering code for an"
" indented code block or within a pair of matching left and right delimiters "
"(parentheses, square brackets or curly braces)."
msgstr ""

#: ../../glossary.rst:19
msgid "2to3"
msgstr ""

#: ../../glossary.rst:21
msgid ""
"A tool that tries to convert Python 2.x code to Python 3.x code by handling "
"most of the incompatibilities which can be detected by parsing the source "
"and traversing the parse tree."
msgstr ""

#: ../../glossary.rst:25
msgid ""
"2to3 is available in the standard library as :mod:`lib2to3`; a standalone "
"entry point is provided as :file:`Tools/scripts/2to3`.  See "
":ref:`2to3-reference`."
msgstr ""

#: ../../glossary.rst:28
msgid "abstract base class"
msgstr ""

#: ../../glossary.rst:30
msgid ""
"Abstract base classes complement :term:`duck-typing` by providing a way to "
"define interfaces when other techniques like :func:`hasattr` would be clumsy"
" or subtly wrong (for example with :ref:`magic methods <special-lookup>`).  "
"ABCs introduce virtual subclasses, which are classes that don't inherit from"
" a class but are still recognized by :func:`isinstance` and "
":func:`issubclass`; see the :mod:`abc` module documentation.  Python comes "
"with many built-in ABCs for data structures (in the :mod:`collections.abc` "
"module), numbers (in the :mod:`numbers` module), streams (in the :mod:`io` "
"module), import finders and loaders (in the :mod:`importlib.abc` module).  "
"You can create your own ABCs with the :mod:`abc` module."
msgstr ""

#: ../../glossary.rst:41
msgid "argument"
msgstr ""

#: ../../glossary.rst:43
msgid ""
"A value passed to a :term:`function` (or :term:`method`) when calling the "
"function.  There are two kinds of argument:"
msgstr ""

#: ../../glossary.rst:46
msgid ""
":dfn:`keyword argument`: an argument preceded by an identifier (e.g. "
"``name=``) in a function call or passed as a value in a dictionary preceded "
"by ``**``.  For example, ``3`` and ``5`` are both keyword arguments in the "
"following calls to :func:`complex`::"
msgstr ""

#: ../../glossary.rst:54
msgid ""
":dfn:`positional argument`: an argument that is not a keyword argument. "
"Positional arguments can appear at the beginning of an argument list and/or "
"be passed as elements of an :term:`iterable` preceded by ``*``. For example,"
" ``3`` and ``5`` are both positional arguments in the following calls::"
msgstr ""

#: ../../glossary.rst:63
msgid ""
"Arguments are assigned to the named local variables in a function body. See "
"the :ref:`calls` section for the rules governing this assignment. "
"Syntactically, any expression can be used to represent an argument; the "
"evaluated value is assigned to the local variable."
msgstr ""

#: ../../glossary.rst:68
msgid ""
"See also the :term:`parameter` glossary entry, the FAQ question on :ref:`the"
" difference between arguments and parameters <faq-argument-vs-parameter>`, "
"and :pep:`362`."
msgstr ""

#: ../../glossary.rst:71
msgid "asynchronous context manager"
msgstr ""

#: ../../glossary.rst:73
msgid ""
"An object which controls the environment seen in an :keyword:`async with` "
"statement by defining :meth:`__aenter__` and :meth:`__aexit__` methods.  "
"Introduced by :pep:`492`."
msgstr ""

#: ../../glossary.rst:76
msgid "asynchronous generator"
msgstr ""

#: ../../glossary.rst:78
msgid ""
"A function which returns an :term:`asynchronous generator iterator`.  It "
"looks like a coroutine function defined with :keyword:`async def` except "
"that it contains :keyword:`yield` expressions for producing a series of "
"values usable in an :keyword:`async for` loop."
msgstr ""

#: ../../glossary.rst:83
msgid ""
"Usually refers to a asynchronous generator function, but may refer to an "
"*asynchronous generator iterator* in some contexts.  In cases where the "
"intended meaning isn't clear, using the full terms avoids ambiguity."
msgstr ""

#: ../../glossary.rst:87
msgid ""
"An asynchronous generator function may contain :keyword:`await` expressions "
"as well as :keyword:`async for`, and :keyword:`async with` statements."
msgstr ""

#: ../../glossary.rst:90
msgid "asynchronous generator iterator"
msgstr ""

#: ../../glossary.rst:92
msgid "An object created by a :term:`asynchronous generator` function."
msgstr ""

#: ../../glossary.rst:94
msgid ""
"This is an :term:`asynchronous iterator` which when called using the "
":meth:`__anext__` method returns an awaitable object which will execute that"
" the body of the asynchronous generator function until the next "
":keyword:`yield` expression."
msgstr ""

#: ../../glossary.rst:99
msgid ""
"Each :keyword:`yield` temporarily suspends processing, remembering the "
"location execution state (including local variables and pending try-"
"statements).  When the *asynchronous generator iterator* effectively resumes"
" with another awaitable returned by :meth:`__anext__`, it picks-up where it "
"left-off.  See :pep:`492` and :pep:`525`."
msgstr ""

#: ../../glossary.rst:104
msgid "asynchronous iterable"
msgstr ""

#: ../../glossary.rst:106
msgid ""
"An object, that can be used in an :keyword:`async for` statement. Must "
"return an :term:`asynchronous iterator` from its :meth:`__aiter__` method.  "
"Introduced by :pep:`492`."
msgstr ""

#: ../../glossary.rst:109
msgid "asynchronous iterator"
msgstr ""

#: ../../glossary.rst:111
msgid ""
"An object that implements :meth:`__aiter__` and :meth:`__anext__` methods.  "
"``__anext__`` must return an :term:`awaitable` object. :keyword:`async for` "
"resolves awaitable returned from asynchronous iterator's :meth:`__anext__` "
"method until it raises :exc:`StopAsyncIteration` exception.  Introduced by "
":pep:`492`."
msgstr ""

#: ../../glossary.rst:116
msgid "attribute"
msgstr ""

#: ../../glossary.rst:118
msgid ""
"A value associated with an object which is referenced by name using dotted "
"expressions.  For example, if an object *o* has an attribute *a* it would be"
" referenced as *o.a*."
msgstr ""

#: ../../glossary.rst:121
msgid "awaitable"
msgstr ""

#: ../../glossary.rst:123
msgid ""
"An object that can be used in an :keyword:`await` expression.  Can be a "
":term:`coroutine` or an object with an :meth:`__await__` method. See also "
":pep:`492`."
msgstr ""

#: ../../glossary.rst:126
msgid "BDFL"
msgstr ""

#: ../../glossary.rst:128
msgid ""
"Benevolent Dictator For Life, a.k.a. `Guido van Rossum "
"<https://www.python.org/~guido/>`_, Python's creator."
msgstr ""

#: ../../glossary.rst:130
msgid "binary file"
msgstr ""

#: ../../glossary.rst:132
msgid ""
"A :term:`file object` able to read and write :term:`bytes-like objects "
"<bytes-like object>`. Examples of binary files are files opened in binary "
"mode (``'rb'``, ``'wb'`` or ``'rb+'``), :data:`sys.stdin.buffer`, "
":data:`sys.stdout.buffer`, and instances of :class:`io.BytesIO` and "
":class:`gzip.GzipFile`."
msgstr ""

#: ../../glossary.rst:140
msgid "A :term:`text file` reads and writes :class:`str` objects."
msgstr ""

#: ../../glossary.rst:141
msgid "bytes-like object"
msgstr ""

#: ../../glossary.rst:143
msgid ""
"An object that supports the :ref:`bufferobjects` and can export a "
"C-:term:`contiguous` buffer. This includes all :class:`bytes`, "
":class:`bytearray`, and :class:`array.array` objects, as well as many common"
" :class:`memoryview` objects.  Bytes-like objects can be used for various "
"operations that work with binary data; these include compression, saving to "
"a binary file, and sending over a socket."
msgstr ""

#: ../../glossary.rst:150
msgid ""
"Some operations need the binary data to be mutable.  The documentation often"
" refers to these as \"read-write bytes-like objects\".  Example mutable "
"buffer objects include :class:`bytearray` and a :class:`memoryview` of a "
":class:`bytearray`. Other operations require the binary data to be stored in"
" immutable objects (\"read-only bytes-like objects\"); examples of these "
"include :class:`bytes` and a :class:`memoryview` of a :class:`bytes` object."
msgstr ""

#: ../../glossary.rst:158
msgid "bytecode"
msgstr ""

#: ../../glossary.rst:160
msgid ""
"Python source code is compiled into bytecode, the internal representation of"
" a Python program in the CPython interpreter.  The bytecode is also cached "
"in ``.pyc`` files so that executing the same file is faster the second time "
"(recompilation from source to bytecode can be avoided).  This \"intermediate"
" language\" is said to run on a :term:`virtual machine` that executes the "
"machine code corresponding to each bytecode. Do note that bytecodes are not "
"expected to work between different Python virtual machines, nor to be stable"
" between Python releases."
msgstr ""

#: ../../glossary.rst:170
msgid ""
"A list of bytecode instructions can be found in the documentation for "
":ref:`the dis module <bytecodes>`."
msgstr ""

#: ../../glossary.rst:172
msgid "class"
msgstr ""

#: ../../glossary.rst:174
msgid ""
"A template for creating user-defined objects. Class definitions normally "
"contain method definitions which operate on instances of the class."
msgstr ""

#: ../../glossary.rst:177
msgid "coercion"
msgstr ""

#: ../../glossary.rst:179
msgid ""
"The implicit conversion of an instance of one type to another during an "
"operation which involves two arguments of the same type.  For example, "
"``int(3.15)`` converts the floating point number to the integer ``3``, but "
"in ``3+4.5``, each argument is of a different type (one int, one float), and"
" both must be converted to the same type before they can be added or it will"
" raise a ``TypeError``.  Without coercion, all arguments of even compatible "
"types would have to be normalized to the same value by the programmer, e.g.,"
" ``float(3)+4.5`` rather than just ``3+4.5``."
msgstr ""

#: ../../glossary.rst:187
msgid "complex number"
msgstr ""

#: ../../glossary.rst:189
msgid ""
"An extension of the familiar real number system in which all numbers are "
"expressed as a sum of a real part and an imaginary part.  Imaginary numbers "
"are real multiples of the imaginary unit (the square root of ``-1``), often "
"written ``i`` in mathematics or ``j`` in engineering.  Python has built-in "
"support for complex numbers, which are written with this latter notation; "
"the imaginary part is written with a ``j`` suffix, e.g., ``3+1j``.  To get "
"access to complex equivalents of the :mod:`math` module, use :mod:`cmath`.  "
"Use of complex numbers is a fairly advanced mathematical feature.  If you're"
" not aware of a need for them, it's almost certain you can safely ignore "
"them."
msgstr ""

#: ../../glossary.rst:199
msgid "context manager"
msgstr ""

#: ../../glossary.rst:201
msgid ""
"An object which controls the environment seen in a :keyword:`with` statement"
" by defining :meth:`__enter__` and :meth:`__exit__` methods. See :pep:`343`."
msgstr ""

#: ../../glossary.rst:204
msgid "contiguous"
msgstr ""

#: ../../glossary.rst:208
msgid ""
"A buffer is considered contiguous exactly if it is either *C-contiguous* or "
"*Fortran contiguous*.  Zero-dimensional buffers are C and Fortran "
"contiguous.  In one-dimensional arrays, the items must be laid out in memory"
" next to each other, in order of increasing indexes starting from zero.  In "
"multidimensional C-contiguous arrays, the last index varies the fastest when"
" visiting items in order of memory address.  However, in Fortran contiguous "
"arrays, the first index varies the fastest."
msgstr ""

#: ../../glossary.rst:216
msgid "coroutine"
msgstr ""

#: ../../glossary.rst:218
msgid ""
"Coroutines is a more generalized form of subroutines. Subroutines are "
"entered at one point and exited at another point.  Coroutines can be "
"entered, exited, and resumed at many different points.  They can be "
"implemented with the :keyword:`async def` statement.  See also :pep:`492`."
msgstr ""

#: ../../glossary.rst:223
msgid "coroutine function"
msgstr ""

#: ../../glossary.rst:225
msgid ""
"A function which returns a :term:`coroutine` object.  A coroutine function "
"may be defined with the :keyword:`async def` statement, and may contain "
":keyword:`await`, :keyword:`async for`, and :keyword:`async with` keywords."
"  These were introduced by :pep:`492`."
msgstr ""

#: ../../glossary.rst:230
msgid "CPython"
msgstr ""

#: ../../glossary.rst:232
msgid ""
"The canonical implementation of the Python programming language, as "
"distributed on `python.org <https://www.python.org>`_.  The term \"CPython\""
" is used when necessary to distinguish this implementation from others such "
"as Jython or IronPython."
msgstr ""

#: ../../glossary.rst:236
msgid "decorator"
msgstr ""

#: ../../glossary.rst:238
msgid ""
"A function returning another function, usually applied as a function "
"transformation using the ``@wrapper`` syntax.  Common examples for "
"decorators are :func:`classmethod` and :func:`staticmethod`."
msgstr ""

#: ../../glossary.rst:242
msgid ""
"The decorator syntax is merely syntactic sugar, the following two function "
"definitions are semantically equivalent::"
msgstr ""

#: ../../glossary.rst:253
msgid ""
"The same concept exists for classes, but is less commonly used there.  See "
"the documentation for :ref:`function definitions <function>` and :ref:`class"
" definitions <class>` for more about decorators."
msgstr ""

#: ../../glossary.rst:256
msgid "descriptor"
msgstr ""

#: ../../glossary.rst:258
msgid ""
"Any object which defines the methods :meth:`__get__`, :meth:`__set__`, or "
":meth:`__delete__`.  When a class attribute is a descriptor, its special "
"binding behavior is triggered upon attribute lookup.  Normally, using *a.b* "
"to get, set or delete an attribute looks up the object named *b* in the "
"class dictionary for *a*, but if *b* is a descriptor, the respective "
"descriptor method gets called.  Understanding descriptors is a key to a deep"
" understanding of Python because they are the basis for many features "
"including functions, methods, properties, class methods, static methods, and"
" reference to super classes."
msgstr ""

#: ../../glossary.rst:268
msgid ""
"For more information about descriptors' methods, see :ref:`descriptors`."
msgstr ""

#: ../../glossary.rst:269
msgid "dictionary"
msgstr ""

#: ../../glossary.rst:271
msgid ""
"An associative array, where arbitrary keys are mapped to values.  The keys "
"can be any object with :meth:`__hash__` and :meth:`__eq__` methods. Called a"
" hash in Perl."
msgstr ""

#: ../../glossary.rst:274
msgid "dictionary view"
msgstr ""

#: ../../glossary.rst:276
msgid ""
"The objects returned from :meth:`dict.keys`, :meth:`dict.values`, and "
":meth:`dict.items` are called dictionary views. They provide a dynamic view "
"on the dictionary’s entries, which means that when the dictionary changes, "
"the view reflects these changes. To force the dictionary view to become a "
"full list use ``list(dictview)``.  See :ref:`dict-views`."
msgstr ""

#: ../../glossary.rst:282
msgid "docstring"
msgstr ""

#: ../../glossary.rst:284
msgid ""
"A string literal which appears as the first expression in a class, function "
"or module.  While ignored when the suite is executed, it is recognized by "
"the compiler and put into the :attr:`__doc__` attribute of the enclosing "
"class, function or module.  Since it is available via introspection, it is "
"the canonical place for documentation of the object."
msgstr ""

#: ../../glossary.rst:290
msgid "duck-typing"
msgstr ""

#: ../../glossary.rst:292
msgid ""
"A programming style which does not look at an object's type to determine if "
"it has the right interface; instead, the method or attribute is simply "
"called or used (\"If it looks like a duck and quacks like a duck, it must be"
" a duck.\")  By emphasizing interfaces rather than specific types, well-"
"designed code improves its flexibility by allowing polymorphic substitution."
"  Duck-typing avoids tests using :func:`type` or :func:`isinstance`.  (Note,"
" however, that duck-typing can be complemented with :term:`abstract base "
"classes <abstract base class>`.)  Instead, it typically employs "
":func:`hasattr` tests or :term:`EAFP` programming."
msgstr ""

#: ../../glossary.rst:301
msgid "EAFP"
msgstr ""

#: ../../glossary.rst:303
msgid ""
"Easier to ask for forgiveness than permission.  This common Python coding "
"style assumes the existence of valid keys or attributes and catches "
"exceptions if the assumption proves false.  This clean and fast style is "
"characterized by the presence of many :keyword:`try` and :keyword:`except` "
"statements.  The technique contrasts with the :term:`LBYL` style common to "
"many other languages such as C."
msgstr ""

#: ../../glossary.rst:309
msgid "expression"
msgstr ""

#: ../../glossary.rst:311
msgid ""
"A piece of syntax which can be evaluated to some value.  In other words, an "
"expression is an accumulation of expression elements like literals, names, "
"attribute access, operators or function calls which all return a value.  In "
"contrast to many other languages, not all language constructs are "
"expressions.  There are also :term:`statement`\\s which cannot be used as "
"expressions, such as :keyword:`if`.  Assignments are also statements, not "
"expressions."
msgstr ""

#: ../../glossary.rst:318
msgid "extension module"
msgstr ""

#: ../../glossary.rst:320
msgid ""
"A module written in C or C++, using Python's C API to interact with the core"
" and with user code."
msgstr ""

#: ../../glossary.rst:322
msgid "f-string"
msgstr ""

#: ../../glossary.rst:324
msgid ""
"String literals prefixed with ``'f'`` or ``'F'`` are commonly called "
"\"f-strings\" which is short for :ref:`formatted string literals "
"<f-strings>`.  See also :pep:`498`."
msgstr ""

#: ../../glossary.rst:327
msgid "file object"
msgstr ""

#: ../../glossary.rst:329
msgid ""
"An object exposing a file-oriented API (with methods such as :meth:`read()` "
"or :meth:`write()`) to an underlying resource.  Depending on the way it was "
"created, a file object can mediate access to a real on-disk file or to "
"another type of storage or communication device (for example standard "
"input/output, in-memory buffers, sockets, pipes, etc.).  File objects are "
"also called :dfn:`file-like objects` or :dfn:`streams`."
msgstr ""

#: ../../glossary.rst:337
msgid ""
"There are actually three categories of file objects: raw :term:`binary files"
" <binary file>`, buffered :term:`binary files <binary file>` and :term:`text"
" files <text file>`. Their interfaces are defined in the :mod:`io` module.  "
"The canonical way to create a file object is by using the :func:`open` "
"function."
msgstr ""

#: ../../glossary.rst:342
msgid "file-like object"
msgstr ""

#: ../../glossary.rst:344
msgid "A synonym for :term:`file object`."
msgstr ""

#: ../../glossary.rst:345
msgid "finder"
msgstr ""

#: ../../glossary.rst:347
msgid ""
"An object that tries to find the :term:`loader` for a module that is being "
"imported."
msgstr ""

#: ../../glossary.rst:350
msgid ""
"Since Python 3.3, there are two types of finder: :term:`meta path finders "
"<meta path finder>` for use with :data:`sys.meta_path`, and :term:`path "
"entry finders <path entry finder>` for use with :data:`sys.path_hooks`."
msgstr ""

#: ../../glossary.rst:354
msgid "See :pep:`302`, :pep:`420` and :pep:`451` for much more detail."
msgstr ""

#: ../../glossary.rst:355
msgid "floor division"
msgstr ""

#: ../../glossary.rst:357
msgid ""
"Mathematical division that rounds down to nearest integer.  The floor "
"division operator is ``//``.  For example, the expression ``11 // 4`` "
"evaluates to ``2`` in contrast to the ``2.75`` returned by float true "
"division.  Note that ``(-11) // 4`` is ``-3`` because that is ``-2.75`` "
"rounded *downward*. See :pep:`238`."
msgstr ""

#: ../../glossary.rst:362
msgid "function"
msgstr ""

#: ../../glossary.rst:364
msgid ""
"A series of statements which returns some value to a caller. It can also be "
"passed zero or more :term:`arguments <argument>` which may be used in the "
"execution of the body. See also :term:`parameter`, :term:`method`, and the "
":ref:`function` section."
msgstr ""

#: ../../glossary.rst:368
msgid "function annotation"
msgstr ""

#: ../../glossary.rst:370
msgid ""
"An arbitrary metadata value associated with a function parameter or return "
"value. Its syntax is explained in section :ref:`function`.  Annotations may "
"be accessed via the :attr:`__annotations__` special attribute of a function "
"object."
msgstr ""

#: ../../glossary.rst:375
msgid ""
"Python itself does not assign any particular meaning to function "
"annotations. They are intended to be interpreted by third-party libraries or"
" tools.  See :pep:`3107`, which describes some of their potential uses."
msgstr ""

#: ../../glossary.rst:378
msgid "__future__"
msgstr ""

#: ../../glossary.rst:380
msgid ""
"A pseudo-module which programmers can use to enable new language features "
"which are not compatible with the current interpreter."
msgstr ""

#: ../../glossary.rst:383
msgid ""
"By importing the :mod:`__future__` module and evaluating its variables, you "
"can see when a new feature was first added to the language and when it "
"becomes the default::"
msgstr ""

#: ../../glossary.rst:390
msgid "garbage collection"
msgstr ""

#: ../../glossary.rst:392
msgid ""
"The process of freeing memory when it is not used anymore.  Python performs "
"garbage collection via reference counting and a cyclic garbage collector "
"that is able to detect and break reference cycles."
msgstr ""

#: ../../glossary.rst:397
msgid "generator"
msgstr ""

#: ../../glossary.rst:399
msgid ""
"A function which returns a :term:`generator iterator`.  It looks like a "
"normal function except that it contains :keyword:`yield` expressions for "
"producing a series of values usable in a for-loop or that can be retrieved "
"one at a time with the :func:`next` function."
msgstr ""

#: ../../glossary.rst:404
msgid ""
"Usually refers to a generator function, but may refer to a *generator "
"iterator* in some contexts.  In cases where the intended meaning isn't "
"clear, using the full terms avoids ambiguity."
msgstr ""

#: ../../glossary.rst:407
msgid "generator iterator"
msgstr ""

#: ../../glossary.rst:409
msgid "An object created by a :term:`generator` function."
msgstr ""

#: ../../glossary.rst:411
msgid ""
"Each :keyword:`yield` temporarily suspends processing, remembering the "
"location execution state (including local variables and pending try-"
"statements).  When the *generator iterator* resumes, it picks-up where it "
"left-off (in contrast to functions which start fresh on every invocation)."
msgstr ""

#: ../../glossary.rst:418
msgid "generator expression"
msgstr ""

#: ../../glossary.rst:420
msgid ""
"An expression that returns an iterator.  It looks like a normal expression "
"followed by a :keyword:`for` expression defining a loop variable, range, and"
" an optional :keyword:`if` expression.  The combined expression generates "
"values for an enclosing function::"
msgstr ""

#: ../../glossary.rst:427
msgid "generic function"
msgstr ""

#: ../../glossary.rst:429
msgid ""
"A function composed of multiple functions implementing the same operation "
"for different types. Which implementation should be used during a call is "
"determined by the dispatch algorithm."
msgstr ""

#: ../../glossary.rst:433
msgid ""
"See also the :term:`single dispatch` glossary entry, the "
":func:`functools.singledispatch` decorator, and :pep:`443`."
msgstr ""

#: ../../glossary.rst:436
msgid "GIL"
msgstr ""

#: ../../glossary.rst:438
msgid "See :term:`global interpreter lock`."
msgstr ""

#: ../../glossary.rst:439
msgid "global interpreter lock"
msgstr ""

#: ../../glossary.rst:441
msgid ""
"The mechanism used by the :term:`CPython` interpreter to assure that only "
"one thread executes Python :term:`bytecode` at a time. This simplifies the "
"CPython implementation by making the object model (including critical built-"
"in types such as :class:`dict`) implicitly safe against concurrent access.  "
"Locking the entire interpreter makes it easier for the interpreter to be "
"multi-threaded, at the expense of much of the parallelism afforded by multi-"
"processor machines."
msgstr ""

#: ../../glossary.rst:450
msgid ""
"However, some extension modules, either standard or third-party, are "
"designed so as to release the GIL when doing computationally-intensive tasks"
" such as compression or hashing.  Also, the GIL is always released when "
"doing I/O."
msgstr ""

#: ../../glossary.rst:455
msgid ""
"Past efforts to create a \"free-threaded\" interpreter (one which locks "
"shared data at a much finer granularity) have not been successful because "
"performance suffered in the common single-processor case. It is believed "
"that overcoming this performance issue would make the implementation much "
"more complicated and therefore costlier to maintain."
msgstr ""

#: ../../glossary.rst:460
msgid "hashable"
msgstr ""

#: ../../glossary.rst:462
msgid ""
"An object is *hashable* if it has a hash value which never changes during "
"its lifetime (it needs a :meth:`__hash__` method), and can be compared to "
"other objects (it needs an :meth:`__eq__` method).  Hashable objects which "
"compare equal must have the same hash value."
msgstr ""

#: ../../glossary.rst:467
msgid ""
"Hashability makes an object usable as a dictionary key and a set member, "
"because these data structures use the hash value internally."
msgstr ""

#: ../../glossary.rst:470
msgid ""
"All of Python's immutable built-in objects are hashable; mutable containers "
"(such as lists or dictionaries) are not.  Objects which are instances of "
"user-defined classes are hashable by default.  They all compare unequal "
"(except with themselves), and their hash value is derived from their "
":func:`id`."
msgstr ""

#: ../../glossary.rst:475
msgid "IDLE"
msgstr ""

#: ../../glossary.rst:477
msgid ""
"An Integrated Development Environment for Python.  IDLE is a basic editor "
"and interpreter environment which ships with the standard distribution of "
"Python."
msgstr ""

#: ../../glossary.rst:480
msgid "immutable"
msgstr ""

#: ../../glossary.rst:482
msgid ""
"An object with a fixed value.  Immutable objects include numbers, strings "
"and tuples.  Such an object cannot be altered.  A new object has to be "
"created if a different value has to be stored.  They play an important role "
"in places where a constant hash value is needed, for example as a key in a "
"dictionary."
msgstr ""

#: ../../glossary.rst:487
msgid "import path"
msgstr ""

#: ../../glossary.rst:489
msgid ""
"A list of locations (or :term:`path entries <path entry>`) that are searched"
" by the :term:`path based finder` for modules to import. During import, this"
" list of locations usually comes from :data:`sys.path`, but for subpackages "
"it may also come from the parent package's ``__path__`` attribute."
msgstr ""

#: ../../glossary.rst:494
msgid "importing"
msgstr ""

#: ../../glossary.rst:496
msgid ""
"The process by which Python code in one module is made available to Python "
"code in another module."
msgstr ""

#: ../../glossary.rst:498
msgid "importer"
msgstr ""

#: ../../glossary.rst:500
msgid ""
"An object that both finds and loads a module; both a :term:`finder` and "
":term:`loader` object."
msgstr ""

#: ../../glossary.rst:502
msgid "interactive"
msgstr ""

#: ../../glossary.rst:504
msgid ""
"Python has an interactive interpreter which means you can enter statements "
"and expressions at the interpreter prompt, immediately execute them and see "
"their results.  Just launch ``python`` with no arguments (possibly by "
"selecting it from your computer's main menu). It is a very powerful way to "
"test out new ideas or inspect modules and packages (remember ``help(x)``)."
msgstr ""

#: ../../glossary.rst:510
msgid "interpreted"
msgstr ""

#: ../../glossary.rst:512
msgid ""
"Python is an interpreted language, as opposed to a compiled one, though the "
"distinction can be blurry because of the presence of the bytecode compiler."
"  This means that source files can be run directly without explicitly "
"creating an executable which is then run. Interpreted languages typically "
"have a shorter development/debug cycle than compiled ones, though their "
"programs generally also run more slowly.  See also :term:`interactive`."
msgstr ""

#: ../../glossary.rst:519
msgid "interpreter shutdown"
msgstr ""

#: ../../glossary.rst:521
msgid ""
"When asked to shut down, the Python interpreter enters a special phase where"
" it gradually releases all allocated resources, such as modules and various "
"critical internal structures.  It also makes several calls to the "
":term:`garbage collector <garbage collection>`. This can trigger the "
"execution of code in user-defined destructors or weakref callbacks. Code "
"executed during the shutdown phase can encounter various exceptions as the "
"resources it relies on may not function anymore (common examples are library"
" modules or the warnings machinery)."
msgstr ""

#: ../../glossary.rst:530
msgid ""
"The main reason for interpreter shutdown is that the ``__main__`` module or "
"the script being run has finished executing."
msgstr ""

#: ../../glossary.rst:532
msgid "iterable"
msgstr ""

#: ../../glossary.rst:534
msgid ""
"An object capable of returning its members one at a time. Examples of "
"iterables include all sequence types (such as :class:`list`, :class:`str`, "
"and :class:`tuple`) and some non-sequence types like :class:`dict`, "
":term:`file objects <file object>`, and objects of any classes you define "
"with an :meth:`__iter__` or :meth:`__getitem__` method.  Iterables can be "
"used in a :keyword:`for` loop and in many other places where a sequence is "
"needed (:func:`zip`, :func:`map`, ...).  When an iterable object is passed "
"as an argument to the built-in function :func:`iter`, it returns an iterator"
" for the object.  This iterator is good for one pass over the set of values."
"  When using iterables, it is usually not necessary to call :func:`iter` or "
"deal with iterator objects yourself.  The ``for`` statement does that "
"automatically for you, creating a temporary unnamed variable to hold the "
"iterator for the duration of the loop.  See also :term:`iterator`, "
":term:`sequence`, and :term:`generator`."
msgstr ""

#: ../../glossary.rst:548
msgid "iterator"
msgstr ""

#: ../../glossary.rst:550
msgid ""
"An object representing a stream of data.  Repeated calls to the iterator's "
":meth:`~iterator.__next__` method (or passing it to the built-in function "
":func:`next`) return successive items in the stream.  When no more data are "
"available a :exc:`StopIteration` exception is raised instead.  At this "
"point, the iterator object is exhausted and any further calls to its "
":meth:`__next__` method just raise :exc:`StopIteration` again.  Iterators "
"are required to have an :meth:`__iter__` method that returns the iterator "
"object itself so every iterator is also iterable and may be used in most "
"places where other iterables are accepted.  One notable exception is code "
"which attempts multiple iteration passes.  A container object (such as a "
":class:`list`) produces a fresh new iterator each time you pass it to the "
":func:`iter` function or use it in a :keyword:`for` loop.  Attempting this "
"with an iterator will just return the same exhausted iterator object used in"
" the previous iteration pass, making it appear like an empty container."
msgstr ""

#: ../../glossary.rst:565
msgid "More information can be found in :ref:`typeiter`."
msgstr ""

#: ../../glossary.rst:566
msgid "key function"
msgstr ""

#: ../../glossary.rst:568
msgid ""
"A key function or collation function is a callable that returns a value used"
" for sorting or ordering.  For example, :func:`locale.strxfrm` is used to "
"produce a sort key that is aware of locale specific sort conventions."
msgstr ""

#: ../../glossary.rst:573
msgid ""
"A number of tools in Python accept key functions to control how elements are"
" ordered or grouped.  They include :func:`min`, :func:`max`, :func:`sorted`,"
" :meth:`list.sort`, :func:`heapq.merge`, :func:`heapq.nsmallest`, "
":func:`heapq.nlargest`, and :func:`itertools.groupby`."
msgstr ""

#: ../../glossary.rst:579
msgid ""
"There are several ways to create a key function.  For example. the "
":meth:`str.lower` method can serve as a key function for case insensitive "
"sorts.  Alternatively, a key function can be built from a :keyword:`lambda` "
"expression such as ``lambda r: (r[0], r[2])``.  Also, the :mod:`operator` "
"module provides three key function constructors: "
":func:`~operator.attrgetter`, :func:`~operator.itemgetter`, and "
":func:`~operator.methodcaller`.  See the :ref:`Sorting HOW TO "
"<sortinghowto>` for examples of how to create and use key functions."
msgstr ""

#: ../../glossary.rst:587
msgid "keyword argument"
msgstr ""

#: ../../glossary.rst:589 ../../glossary.rst:833
msgid "See :term:`argument`."
msgstr ""

#: ../../glossary.rst:590
msgid "lambda"
msgstr ""

#: ../../glossary.rst:592
msgid ""
"An anonymous inline function consisting of a single :term:`expression` which"
" is evaluated when the function is called.  The syntax to create a lambda "
"function is ``lambda [arguments]: expression``"
msgstr ""

#: ../../glossary.rst:595
msgid "LBYL"
msgstr ""

#: ../../glossary.rst:597
msgid ""
"Look before you leap.  This coding style explicitly tests for pre-conditions"
" before making calls or lookups.  This style contrasts with the :term:`EAFP`"
" approach and is characterized by the presence of many :keyword:`if` "
"statements."
msgstr ""

#: ../../glossary.rst:602
msgid ""
"In a multi-threaded environment, the LBYL approach can risk introducing a "
"race condition between \"the looking\" and \"the leaping\".  For example, "
"the code, ``if key in mapping: return mapping[key]`` can fail if another "
"thread removes *key* from *mapping* after the test, but before the lookup. "
"This issue can be solved with locks or by using the EAFP approach."
msgstr ""

#: ../../glossary.rst:607
msgid "list"
msgstr ""

#: ../../glossary.rst:609
msgid ""
"A built-in Python :term:`sequence`.  Despite its name it is more akin to an "
"array in other languages than to a linked list since access to elements are "
"O(1)."
msgstr ""

#: ../../glossary.rst:612
msgid "list comprehension"
msgstr ""

#: ../../glossary.rst:614
msgid ""
"A compact way to process all or part of the elements in a sequence and "
"return a list with the results.  ``result = ['{:#04x}'.format(x) for x in "
"range(256) if x % 2 == 0]`` generates a list of strings containing even hex "
"numbers (0x..) in the range from 0 to 255. The :keyword:`if` clause is "
"optional.  If omitted, all elements in ``range(256)`` are processed."
msgstr ""

#: ../../glossary.rst:620
msgid "loader"
msgstr ""

#: ../../glossary.rst:622
msgid ""
"An object that loads a module. It must define a method named "
":meth:`load_module`. A loader is typically returned by a :term:`finder`. See"
" :pep:`302` for details and :class:`importlib.abc.Loader` for an "
":term:`abstract base class`."
msgstr ""

#: ../../glossary.rst:626
msgid "mapping"
msgstr ""

#: ../../glossary.rst:628
msgid ""
"A container object that supports arbitrary key lookups and implements the "
"methods specified in the :class:`~collections.abc.Mapping` or "
":class:`~collections.abc.MutableMapping` :ref:`abstract base classes "
"<collections-abstract-base-classes>`.  Examples include :class:`dict`, "
":class:`collections.defaultdict`, :class:`collections.OrderedDict` and "
":class:`collections.Counter`."
msgstr ""

#: ../../glossary.rst:634
msgid "meta path finder"
msgstr ""

#: ../../glossary.rst:636
msgid ""
"A :term:`finder` returned by a search of :data:`sys.meta_path`.  Meta path "
"finders are related to, but different from :term:`path entry finders <path "
"entry finder>`."
msgstr ""

#: ../../glossary.rst:640
msgid ""
"See :class:`importlib.abc.MetaPathFinder` for the methods that meta path "
"finders implement."
msgstr ""

#: ../../glossary.rst:642
msgid "metaclass"
msgstr ""

#: ../../glossary.rst:644
msgid ""
"The class of a class.  Class definitions create a class name, a class "
"dictionary, and a list of base classes.  The metaclass is responsible for "
"taking those three arguments and creating the class.  Most object oriented "
"programming languages provide a default implementation.  What makes Python "
"special is that it is possible to create custom metaclasses.  Most users "
"never need this tool, but when the need arises, metaclasses can provide "
"powerful, elegant solutions.  They have been used for logging attribute "
"access, adding thread-safety, tracking object creation, implementing "
"singletons, and many other tasks."
msgstr ""

#: ../../glossary.rst:654
msgid "More information can be found in :ref:`metaclasses`."
msgstr ""

#: ../../glossary.rst:655
msgid "method"
msgstr ""

#: ../../glossary.rst:657
msgid ""
"A function which is defined inside a class body.  If called as an attribute "
"of an instance of that class, the method will get the instance object as its"
" first :term:`argument` (which is usually called ``self``). See "
":term:`function` and :term:`nested scope`."
msgstr ""

#: ../../glossary.rst:661
msgid "method resolution order"
msgstr ""

#: ../../glossary.rst:663
msgid ""
"Method Resolution Order is the order in which base classes are searched for "
"a member during lookup. See `The Python 2.3 Method Resolution Order "
"<https://www.python.org/download/releases/2.3/mro/>`_ for details of the "
"algorithm used by the Python interpreter since the 2.3 release."
msgstr ""

#: ../../glossary.rst:667
msgid "module"
msgstr ""

#: ../../glossary.rst:669
msgid ""
"An object that serves as an organizational unit of Python code.  Modules "
"have a namespace containing arbitrary Python objects.  Modules are loaded "
"into Python by the process of :term:`importing`."
msgstr ""

#: ../../glossary.rst:673
msgid "See also :term:`package`."
msgstr ""

#: ../../glossary.rst:674
msgid "module spec"
msgstr ""

#: ../../glossary.rst:676
msgid ""
"A namespace containing the import-related information used to load a module."
" An instance of :class:`importlib.machinery.ModuleSpec`."
msgstr ""

#: ../../glossary.rst:678
msgid "MRO"
msgstr ""

#: ../../glossary.rst:680
msgid "See :term:`method resolution order`."
msgstr ""

#: ../../glossary.rst:681
msgid "mutable"
msgstr ""

#: ../../glossary.rst:683
msgid ""
"Mutable objects can change their value but keep their :func:`id`.  See also "
":term:`immutable`."
msgstr ""

#: ../../glossary.rst:685
msgid "named tuple"
msgstr ""

#: ../../glossary.rst:687
msgid ""
"Any tuple-like class whose indexable elements are also accessible using "
"named attributes (for example, :func:`time.localtime` returns a tuple-like "
"object where the *year* is accessible either with an index such as ``t[0]`` "
"or with a named attribute like ``t.tm_year``)."
msgstr ""

#: ../../glossary.rst:692
msgid ""
"A named tuple can be a built-in type such as :class:`time.struct_time`, or "
"it can be created with a regular class definition.  A full featured named "
"tuple can also be created with the factory function "
":func:`collections.namedtuple`.  The latter approach automatically provides "
"extra features such as a self-documenting representation like "
"``Employee(name='jones', title='programmer')``."
msgstr ""

#: ../../glossary.rst:698
msgid "namespace"
msgstr ""

#: ../../glossary.rst:700
msgid ""
"The place where a variable is stored.  Namespaces are implemented as "
"dictionaries.  There are the local, global and built-in namespaces as well "
"as nested namespaces in objects (in methods).  Namespaces support modularity"
" by preventing naming conflicts.  For instance, the functions "
":func:`builtins.open <.open>` and :func:`os.open` are distinguished by their"
" namespaces.  Namespaces also aid readability and maintainability by making "
"it clear which module implements a function.  For instance, writing "
":func:`random.seed` or :func:`itertools.islice` makes it clear that those "
"functions are implemented by the :mod:`random` and :mod:`itertools` modules,"
" respectively."
msgstr ""

#: ../../glossary.rst:710
msgid "namespace package"
msgstr ""

#: ../../glossary.rst:712
msgid ""
"A :pep:`420` :term:`package` which serves only as a container for "
"subpackages.  Namespace packages may have no physical representation, and "
"specifically are not like a :term:`regular package` because they have no "
"``__init__.py`` file."
msgstr ""

#: ../../glossary.rst:717
msgid "See also :term:`module`."
msgstr ""

#: ../../glossary.rst:718
msgid "nested scope"
msgstr ""

#: ../../glossary.rst:720
msgid ""
"The ability to refer to a variable in an enclosing definition.  For "
"instance, a function defined inside another function can refer to variables "
"in the outer function.  Note that nested scopes by default work only for "
"reference and not for assignment.  Local variables both read and write in "
"the innermost scope.  Likewise, global variables read and write to the "
"global namespace.  The :keyword:`nonlocal` allows writing to outer scopes."
msgstr ""

#: ../../glossary.rst:727
msgid "new-style class"
msgstr ""

#: ../../glossary.rst:729
msgid ""
"Old name for the flavor of classes now used for all class objects.  In "
"earlier Python versions, only new-style classes could use Python's newer, "
"versatile features like :attr:`~object.__slots__`, descriptors, properties, "
":meth:`__getattribute__`, class methods, and static methods."
msgstr ""

#: ../../glossary.rst:733
msgid "object"
msgstr ""

#: ../../glossary.rst:735
msgid ""
"Any data with state (attributes or value) and defined behavior (methods).  "
"Also the ultimate base class of any :term:`new-style class`."
msgstr ""

#: ../../glossary.rst:738
msgid "package"
msgstr ""

#: ../../glossary.rst:740
msgid ""
"A Python :term:`module` which can contain submodules or recursively, "
"subpackages.  Technically, a package is a Python module with an ``__path__``"
" attribute."
msgstr ""

#: ../../glossary.rst:744
msgid "See also :term:`regular package` and :term:`namespace package`."
msgstr ""

#: ../../glossary.rst:745
msgid "parameter"
msgstr ""

#: ../../glossary.rst:747
msgid ""
"A named entity in a :term:`function` (or method) definition that specifies "
"an :term:`argument` (or in some cases, arguments) that the function can "
"accept.  There are five kinds of parameter:"
msgstr ""

#: ../../glossary.rst:751
msgid ""
":dfn:`positional-or-keyword`: specifies an argument that can be passed "
"either :term:`positionally <argument>` or as a :term:`keyword argument "
"<argument>`.  This is the default kind of parameter, for example *foo* and "
"*bar* in the following::"
msgstr ""

#: ../../glossary.rst:760
msgid ""
":dfn:`positional-only`: specifies an argument that can be supplied only by "
"position.  Python has no syntax for defining positional-only parameters.  "
"However, some built-in functions have positional-only parameters (e.g. "
":func:`abs`)."
msgstr ""

#: ../../glossary.rst:767
msgid ""
":dfn:`keyword-only`: specifies an argument that can be supplied only by "
"keyword.  Keyword-only parameters can be defined by including a single var-"
"positional parameter or bare ``*`` in the parameter list of the function "
"definition before them, for example *kw_only1* and *kw_only2* in the "
"following::"
msgstr ""

#: ../../glossary.rst:775
msgid ""
":dfn:`var-positional`: specifies that an arbitrary sequence of positional "
"arguments can be provided (in addition to any positional arguments already "
"accepted by other parameters).  Such a parameter can be defined by "
"prepending the parameter name with ``*``, for example *args* in the "
"following::"
msgstr ""

#: ../../glossary.rst:783
msgid ""
":dfn:`var-keyword`: specifies that arbitrarily many keyword arguments can be"
" provided (in addition to any keyword arguments already accepted by other "
"parameters).  Such a parameter can be defined by prepending the parameter "
"name with ``**``, for example *kwargs* in the example above."
msgstr ""

#: ../../glossary.rst:789
msgid ""
"Parameters can specify both optional and required arguments, as well as "
"default values for some optional arguments."
msgstr ""

#: ../../glossary.rst:792
msgid ""
"See also the :term:`argument` glossary entry, the FAQ question on :ref:`the "
"difference between arguments and parameters <faq-argument-vs-parameter>`, "
"the :class:`inspect.Parameter` class, the :ref:`function` section, and "
":pep:`362`."
msgstr ""

#: ../../glossary.rst:796
msgid "path entry"
msgstr ""

#: ../../glossary.rst:798
msgid ""
"A single location on the :term:`import path` which the :term:`path based "
"finder` consults to find modules for importing."
msgstr ""

#: ../../glossary.rst:800
msgid "path entry finder"
msgstr ""

#: ../../glossary.rst:802
msgid ""
"A :term:`finder` returned by a callable on :data:`sys.path_hooks` (i.e. a "
":term:`path entry hook`) which knows how to locate modules given a "
":term:`path entry`."
msgstr ""

#: ../../glossary.rst:806
msgid ""
"See :class:`importlib.abc.PathEntryFinder` for the methods that path entry "
"finders implement."
msgstr ""

#: ../../glossary.rst:808
msgid "path entry hook"
msgstr ""

#: ../../glossary.rst:810
msgid ""
"A callable on the :data:`sys.path_hook` list which returns a :term:`path "
"entry finder` if it knows how to find modules on a specific :term:`path "
"entry`."
msgstr ""

#: ../../glossary.rst:813
msgid "path based finder"
msgstr ""

#: ../../glossary.rst:815
msgid ""
"One of the default :term:`meta path finders <meta path finder>` which "
"searches an :term:`import path` for modules."
msgstr ""

#: ../../glossary.rst:817
msgid "path-like object"
msgstr ""

#: ../../glossary.rst:819
msgid ""
"An object representing a file system path. A path-like object is either a "
":class:`str` or :class:`bytes` object representing a path, or an object "
"implementing the :class:`os.PathLike` protocol. An object that supports the "
":class:`os.PathLike` protocol can be converted to a :class:`str` or "
":class:`bytes` file system path by calling the :func:`os.fspath` function; "
":func:`os.fsdecode` and :func:`os.fsencode` can be used to guarantee a "
":class:`str` or :class:`bytes` result instead, respectively. Introduced by "
":pep:`519`."
msgstr ""

#: ../../glossary.rst:827
msgid "portion"
msgstr ""

#: ../../glossary.rst:829
msgid ""
"A set of files in a single directory (possibly stored in a zip file) that "
"contribute to a namespace package, as defined in :pep:`420`."
msgstr ""

#: ../../glossary.rst:831
msgid "positional argument"
msgstr ""

#: ../../glossary.rst:834
msgid "provisional API"
msgstr ""

#: ../../glossary.rst:836
msgid ""
"A provisional API is one which has been deliberately excluded from the "
"standard library's backwards compatibility guarantees.  While major changes "
"to such interfaces are not expected, as long as they are marked provisional,"
" backwards incompatible changes (up to and including removal of the "
"interface) may occur if deemed necessary by core developers.  Such changes "
"will not be made gratuitously -- they will occur only if serious fundamental"
" flaws are uncovered that were missed prior to the inclusion of the API."
msgstr ""

#: ../../glossary.rst:845
msgid ""
"Even for provisional APIs, backwards incompatible changes are seen as a "
"\"solution of last resort\" - every attempt will still be made to find a "
"backwards compatible resolution to any identified problems."
msgstr ""

#: ../../glossary.rst:849
msgid ""
"This process allows the standard library to continue to evolve over time, "
"without locking in problematic design errors for extended periods of time.  "
"See :pep:`411` for more details."
msgstr ""

#: ../../glossary.rst:852
msgid "provisional package"
msgstr ""

#: ../../glossary.rst:854
msgid "See :term:`provisional API`."
msgstr ""

#: ../../glossary.rst:855
msgid "Python 3000"
msgstr ""

#: ../../glossary.rst:857
msgid ""
"Nickname for the Python 3.x release line (coined long ago when the release "
"of version 3 was something in the distant future.)  This is also abbreviated"
" \"Py3k\"."
msgstr ""

#: ../../glossary.rst:860
msgid "Pythonic"
msgstr ""

#: ../../glossary.rst:862
msgid ""
"An idea or piece of code which closely follows the most common idioms of the"
" Python language, rather than implementing code using concepts common to "
"other languages.  For example, a common idiom in Python is to loop over all "
"elements of an iterable using a :keyword:`for` statement.  Many other "
"languages don't have this type of construct, so people unfamiliar with "
"Python sometimes use a numerical counter instead::"
msgstr ""

#: ../../glossary.rst:872
msgid "As opposed to the cleaner, Pythonic method::"
msgstr ""

#: ../../glossary.rst:876
msgid "qualified name"
msgstr ""

#: ../../glossary.rst:878
msgid ""
"A dotted name showing the \"path\" from a module's global scope to a class, "
"function or method defined in that module, as defined in :pep:`3155`.  For "
"top-level functions and classes, the qualified name is the same as the "
"object's name::"
msgstr ""

#: ../../glossary.rst:895
msgid ""
"When used to refer to modules, the *fully qualified name* means the entire "
"dotted path to the module, including any parent packages, e.g. "
"``email.mime.text``::"
msgstr ""

#: ../../glossary.rst:902
msgid "reference count"
msgstr ""

#: ../../glossary.rst:904
msgid ""
"The number of references to an object.  When the reference count of an "
"object drops to zero, it is deallocated.  Reference counting is generally "
"not visible to Python code, but it is a key element of the :term:`CPython` "
"implementation.  The :mod:`sys` module defines a :func:`~sys.getrefcount` "
"function that programmers can call to return the reference count for a "
"particular object."
msgstr ""

#: ../../glossary.rst:910
msgid "regular package"
msgstr ""

#: ../../glossary.rst:912
msgid ""
"A traditional :term:`package`, such as a directory containing an "
"``__init__.py`` file."
msgstr ""

#: ../../glossary.rst:915
msgid "See also :term:`namespace package`."
msgstr ""

#: ../../glossary.rst:916
msgid "__slots__"
msgstr ""

#: ../../glossary.rst:918
msgid ""
"A declaration inside a class that saves memory by pre-declaring space for "
"instance attributes and eliminating instance dictionaries.  Though popular, "
"the technique is somewhat tricky to get right and is best reserved for rare "
"cases where there are large numbers of instances in a memory-critical "
"application."
msgstr ""

#: ../../glossary.rst:923
msgid "sequence"
msgstr ""

#: ../../glossary.rst:925
msgid ""
"An :term:`iterable` which supports efficient element access using integer "
"indices via the :meth:`__getitem__` special method and defines a "
":meth:`__len__` method that returns the length of the sequence. Some built-"
"in sequence types are :class:`list`, :class:`str`, :class:`tuple`, and "
":class:`bytes`. Note that :class:`dict` also supports :meth:`__getitem__` "
"and :meth:`__len__`, but is considered a mapping rather than a sequence "
"because the lookups use arbitrary :term:`immutable` keys rather than "
"integers."
msgstr ""

#: ../../glossary.rst:934
msgid ""
"The :class:`collections.abc.Sequence` abstract base class defines a much "
"richer interface that goes beyond just :meth:`__getitem__` and "
":meth:`__len__`, adding :meth:`count`, :meth:`index`, :meth:`__contains__`, "
"and :meth:`__reversed__`. Types that implement this expanded interface can "
"be registered explicitly using :func:`~abc.register`."
msgstr ""

#: ../../glossary.rst:941
msgid "single dispatch"
msgstr ""

#: ../../glossary.rst:943
msgid ""
"A form of :term:`generic function` dispatch where the implementation is "
"chosen based on the type of a single argument."
msgstr ""

#: ../../glossary.rst:945
msgid "slice"
msgstr ""

#: ../../glossary.rst:947
msgid ""
"An object usually containing a portion of a :term:`sequence`.  A slice is "
"created using the subscript notation, ``[]`` with colons between numbers "
"when several are given, such as in ``variable_name[1:3:5]``.  The bracket "
"(subscript) notation uses :class:`slice` objects internally."
msgstr ""

#: ../../glossary.rst:951
msgid "special method"
msgstr ""

#: ../../glossary.rst:953
msgid ""
"A method that is called implicitly by Python to execute a certain operation "
"on a type, such as addition.  Such methods have names starting and ending "
"with double underscores.  Special methods are documented in "
":ref:`specialnames`."
msgstr ""

#: ../../glossary.rst:957
msgid "statement"
msgstr ""

#: ../../glossary.rst:959
msgid ""
"A statement is part of a suite (a \"block\" of code).  A statement is either"
" an :term:`expression` or one of several constructs with a keyword, such as "
":keyword:`if`, :keyword:`while` or :keyword:`for`."
msgstr ""

#: ../../glossary.rst:962
msgid "struct sequence"
msgstr ""

#: ../../glossary.rst:964
msgid ""
"A tuple with named elements. Struct sequences expose an interface similar to"
" :term:`named tuple` in that elements can either be accessed either by index"
" or as an attribute. However, they do not have any of the named tuple "
"methods like :meth:`~collections.somenamedtuple._make` or "
":meth:`~collections.somenamedtuple._asdict`. Examples of struct sequences "
"include :data:`sys.float_info` and the return value of :func:`os.stat`."
msgstr ""

#: ../../glossary.rst:970
msgid "text encoding"
msgstr ""

#: ../../glossary.rst:972
msgid "A codec which encodes Unicode strings to bytes."
msgstr ""

#: ../../glossary.rst:973
msgid "text file"
msgstr ""

#: ../../glossary.rst:975
msgid ""
"A :term:`file object` able to read and write :class:`str` objects. Often, a "
"text file actually accesses a byte-oriented datastream and handles the "
":term:`text encoding` automatically. Examples of text files are files opened"
" in text mode (``'r'`` or ``'w'``), :data:`sys.stdin`, :data:`sys.stdout`, "
"and instances of :class:`io.StringIO`."
msgstr ""

#: ../../glossary.rst:983
msgid "A :term:`binary file` reads and write :class:`bytes` objects."
msgstr ""

#: ../../glossary.rst:984
msgid "triple-quoted string"
msgstr ""

#: ../../glossary.rst:986
msgid ""
"A string which is bound by three instances of either a quotation mark (\") "
"or an apostrophe (').  While they don't provide any functionality not "
"available with single-quoted strings, they are useful for a number of "
"reasons.  They allow you to include unescaped single and double quotes "
"within a string and they can span multiple lines without the use of the "
"continuation character, making them especially useful when writing "
"docstrings."
msgstr ""

#: ../../glossary.rst:993
msgid "type"
msgstr ""

#: ../../glossary.rst:995
msgid ""
"The type of a Python object determines what kind of object it is; every "
"object has a type.  An object's type is accessible as its "
":attr:`~instance.__class__` attribute or can be retrieved with "
"``type(obj)``."
msgstr ""

#: ../../glossary.rst:999
msgid "universal newlines"
msgstr ""

#: ../../glossary.rst:1001
msgid ""
"A manner of interpreting text streams in which all of the following are "
"recognized as ending a line: the Unix end-of-line convention ``'\\n'``, the "
"Windows convention ``'\\r\\n'``, and the old Macintosh convention ``'\\r'``."
"  See :pep:`278` and :pep:`3116`, as well as :func:`bytes.splitlines` for an"
" additional use."
msgstr ""

#: ../../glossary.rst:1006
msgid "variable annotation"
msgstr ""

#: ../../glossary.rst:1008
msgid ""
"A type metadata value associated with a module global variable or a class "
"attribute. Its syntax is explained in section :ref:`annassign`. Annotations "
"are stored in the :attr:`__annotations__` special attribute of a class or "
"module object and can be accessed using :func:`typing.get_type_hints`."
msgstr ""

#: ../../glossary.rst:1014
msgid ""
"Python itself does not assign any particular meaning to variable "
"annotations. They are intended to be interpreted by third-party libraries or"
" type checking tools. See :pep:`526`, :pep:`484` which describe some of "
"their potential uses."
msgstr ""

#: ../../glossary.rst:1018
msgid "virtual environment"
msgstr ""

#: ../../glossary.rst:1020
msgid ""
"A cooperatively isolated runtime environment that allows Python users and "
"applications to install and upgrade Python distribution packages without "
"interfering with the behaviour of other Python applications running on the "
"same system."
msgstr ""

#: ../../glossary.rst:1025
msgid "See also :mod:`venv`."
msgstr ""

#: ../../glossary.rst:1026
msgid "virtual machine"
msgstr ""

#: ../../glossary.rst:1028
msgid ""
"A computer defined entirely in software.  Python's virtual machine executes "
"the :term:`bytecode` emitted by the bytecode compiler."
msgstr ""

#: ../../glossary.rst:1030
msgid "Zen of Python"
msgstr ""

#: ../../glossary.rst:1032
msgid ""
"Listing of Python design principles and philosophies that are helpful in "
"understanding and using the language.  The listing can be found by typing "
"\"``import this``\" at the interactive prompt."
msgstr ""