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1194 lines (996 loc) · 36.2 KB
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# SOME DESCRIPTIVE TITLE.
# Copyright (C) 2001-2024, Python Software Foundation
# This file is distributed under the same license as the Python package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.12\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2025-11-27 09:00+0200\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#: c-api/arg.rst:6
msgid "Parsing arguments and building values"
msgstr ""
#: c-api/arg.rst:8
msgid ""
"These functions are useful when creating your own extension functions and "
"methods. Additional information and examples are available in :ref:"
"`extending-index`."
msgstr ""
#: c-api/arg.rst:12
msgid ""
"The first three of these functions described, :c:func:`PyArg_ParseTuple`, :c:"
"func:`PyArg_ParseTupleAndKeywords`, and :c:func:`PyArg_Parse`, all use "
"*format strings* which are used to tell the function about the expected "
"arguments. The format strings use the same syntax for each of these "
"functions."
msgstr ""
#: c-api/arg.rst:19
msgid "Parsing arguments"
msgstr ""
#: c-api/arg.rst:21
msgid ""
"A format string consists of zero or more \"format units.\" A format unit "
"describes one Python object; it is usually a single character or a "
"parenthesized sequence of format units. With a few exceptions, a format "
"unit that is not a parenthesized sequence normally corresponds to a single "
"address argument to these functions. In the following description, the "
"quoted form is the format unit; the entry in (round) parentheses is the "
"Python object type that matches the format unit; and the entry in [square] "
"brackets is the type of the C variable(s) whose address should be passed."
msgstr ""
#: c-api/arg.rst:33
msgid "Strings and buffers"
msgstr ""
#: c-api/arg.rst:37
msgid ""
"On Python 3.12 and older, the macro :c:macro:`!PY_SSIZE_T_CLEAN` must be "
"defined before including :file:`Python.h` to use all ``#`` variants of "
"formats (``s#``, ``y#``, etc.) explained below. This is not necessary on "
"Python 3.13 and later."
msgstr ""
#: c-api/arg.rst:42
msgid ""
"These formats allow accessing an object as a contiguous chunk of memory. You "
"don't have to provide raw storage for the returned unicode or bytes area."
msgstr ""
#: c-api/arg.rst:46
msgid "Unless otherwise stated, buffers are not NUL-terminated."
msgstr ""
#: c-api/arg.rst:48
msgid "There are three ways strings and buffers can be converted to C:"
msgstr ""
#: c-api/arg.rst:50
msgid ""
"Formats such as ``y*`` and ``s*`` fill a :c:type:`Py_buffer` structure. This "
"locks the underlying buffer so that the caller can subsequently use the "
"buffer even inside a :c:type:`Py_BEGIN_ALLOW_THREADS` block without the risk "
"of mutable data being resized or destroyed. As a result, **you have to "
"call** :c:func:`PyBuffer_Release` after you have finished processing the "
"data (or in any early abort case)."
msgstr ""
#: c-api/arg.rst:57
msgid ""
"The ``es``, ``es#``, ``et`` and ``et#`` formats allocate the result buffer. "
"**You have to call** :c:func:`PyMem_Free` after you have finished processing "
"the data (or in any early abort case)."
msgstr ""
#: c-api/arg.rst:63
msgid ""
"Other formats take a :class:`str` or a read-only :term:`bytes-like object`, "
"such as :class:`bytes`, and provide a ``const char *`` pointer to its "
"buffer. In this case the buffer is \"borrowed\": it is managed by the "
"corresponding Python object, and shares the lifetime of this object. You "
"won't have to release any memory yourself."
msgstr ""
#: c-api/arg.rst:70
msgid ""
"To ensure that the underlying buffer may be safely borrowed, the object's :c:"
"member:`PyBufferProcs.bf_releasebuffer` field must be ``NULL``. This "
"disallows common mutable objects such as :class:`bytearray`, but also some "
"read-only objects such as :class:`memoryview` of :class:`bytes`."
msgstr ""
#: c-api/arg.rst:76
msgid ""
"Besides this ``bf_releasebuffer`` requirement, there is no check to verify "
"whether the input object is immutable (e.g. whether it would honor a request "
"for a writable buffer, or whether another thread can mutate the data)."
msgstr ""
#: c-api/arg.rst:80
msgid "``s`` (:class:`str`) [const char \\*]"
msgstr ""
#: c-api/arg.rst:81
msgid ""
"Convert a Unicode object to a C pointer to a character string. A pointer to "
"an existing string is stored in the character pointer variable whose address "
"you pass. The C string is NUL-terminated. The Python string must not "
"contain embedded null code points; if it does, a :exc:`ValueError` exception "
"is raised. Unicode objects are converted to C strings using ``'utf-8'`` "
"encoding. If this conversion fails, a :exc:`UnicodeError` is raised."
msgstr ""
#: c-api/arg.rst:90
msgid ""
"This format does not accept :term:`bytes-like objects <bytes-like object>`. "
"If you want to accept filesystem paths and convert them to C character "
"strings, it is preferable to use the ``O&`` format with :c:func:"
"`PyUnicode_FSConverter` as *converter*."
msgstr ""
#: c-api/arg.rst:96
msgid ""
"Previously, :exc:`TypeError` was raised when embedded null code points were "
"encountered in the Python string."
msgstr ""
#: c-api/arg.rst:100
msgid "``s*`` (:class:`str` or :term:`bytes-like object`) [Py_buffer]"
msgstr ""
#: c-api/arg.rst:101
msgid ""
"This format accepts Unicode objects as well as bytes-like objects. It fills "
"a :c:type:`Py_buffer` structure provided by the caller. In this case the "
"resulting C string may contain embedded NUL bytes. Unicode objects are "
"converted to C strings using ``'utf-8'`` encoding."
msgstr ""
#: c-api/arg.rst:106
msgid ""
"``s#`` (:class:`str`, read-only :term:`bytes-like object`) [const char \\*, :"
"c:type:`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:107
msgid ""
"Like ``s*``, except that it provides a :ref:`borrowed buffer <c-arg-borrowed-"
"buffer>`. The result is stored into two C variables, the first one a pointer "
"to a C string, the second one its length. The string may contain embedded "
"null bytes. Unicode objects are converted to C strings using ``'utf-8'`` "
"encoding."
msgstr ""
#: c-api/arg.rst:593
msgid "``z`` (:class:`str` or ``None``) [const char \\*]"
msgstr ""
#: c-api/arg.rst:114
msgid ""
"Like ``s``, but the Python object may also be ``None``, in which case the C "
"pointer is set to ``NULL``."
msgstr ""
#: c-api/arg.rst:117
msgid ""
"``z*`` (:class:`str`, :term:`bytes-like object` or ``None``) [Py_buffer]"
msgstr ""
#: c-api/arg.rst:118
msgid ""
"Like ``s*``, but the Python object may also be ``None``, in which case the "
"``buf`` member of the :c:type:`Py_buffer` structure is set to ``NULL``."
msgstr ""
#: c-api/arg.rst:121
msgid ""
"``z#`` (:class:`str`, read-only :term:`bytes-like object` or ``None``) "
"[const char \\*, :c:type:`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:122
msgid ""
"Like ``s#``, but the Python object may also be ``None``, in which case the C "
"pointer is set to ``NULL``."
msgstr ""
#: c-api/arg.rst:125
msgid "``y`` (read-only :term:`bytes-like object`) [const char \\*]"
msgstr ""
#: c-api/arg.rst:126
msgid ""
"This format converts a bytes-like object to a C pointer to a :ref:`borrowed "
"<c-arg-borrowed-buffer>` character string; it does not accept Unicode "
"objects. The bytes buffer must not contain embedded null bytes; if it does, "
"a :exc:`ValueError` exception is raised."
msgstr ""
#: c-api/arg.rst:132
msgid ""
"Previously, :exc:`TypeError` was raised when embedded null bytes were "
"encountered in the bytes buffer."
msgstr ""
#: c-api/arg.rst:136
msgid "``y*`` (:term:`bytes-like object`) [Py_buffer]"
msgstr ""
#: c-api/arg.rst:137
msgid ""
"This variant on ``s*`` doesn't accept Unicode objects, only bytes-like "
"objects. **This is the recommended way to accept binary data.**"
msgstr ""
#: c-api/arg.rst:141
msgid ""
"``y#`` (read-only :term:`bytes-like object`) [const char \\*, :c:type:"
"`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:142
msgid ""
"This variant on ``s#`` doesn't accept Unicode objects, only bytes-like "
"objects."
msgstr ""
#: c-api/arg.rst:145
msgid "``S`` (:class:`bytes`) [PyBytesObject \\*]"
msgstr ""
#: c-api/arg.rst:146
msgid ""
"Requires that the Python object is a :class:`bytes` object, without "
"attempting any conversion. Raises :exc:`TypeError` if the object is not a "
"bytes object. The C variable may also be declared as :c:expr:`PyObject*`."
msgstr ""
#: c-api/arg.rst:150
msgid "``Y`` (:class:`bytearray`) [PyByteArrayObject \\*]"
msgstr ""
#: c-api/arg.rst:151
msgid ""
"Requires that the Python object is a :class:`bytearray` object, without "
"attempting any conversion. Raises :exc:`TypeError` if the object is not a :"
"class:`bytearray` object. The C variable may also be declared as :c:expr:"
"`PyObject*`."
msgstr ""
#: c-api/arg.rst:155
msgid "``U`` (:class:`str`) [PyObject \\*]"
msgstr ""
#: c-api/arg.rst:156
msgid ""
"Requires that the Python object is a Unicode object, without attempting any "
"conversion. Raises :exc:`TypeError` if the object is not a Unicode object. "
"The C variable may also be declared as :c:expr:`PyObject*`."
msgstr ""
#: c-api/arg.rst:160
msgid "``w*`` (read-write :term:`bytes-like object`) [Py_buffer]"
msgstr ""
#: c-api/arg.rst:161
msgid ""
"This format accepts any object which implements the read-write buffer "
"interface. It fills a :c:type:`Py_buffer` structure provided by the caller. "
"The buffer may contain embedded null bytes. The caller has to call :c:func:"
"`PyBuffer_Release` when it is done with the buffer."
msgstr ""
#: c-api/arg.rst:166
msgid "``es`` (:class:`str`) [const char \\*encoding, char \\*\\*buffer]"
msgstr ""
#: c-api/arg.rst:167
msgid ""
"This variant on ``s`` is used for encoding Unicode into a character buffer. "
"It only works for encoded data without embedded NUL bytes."
msgstr ""
#: c-api/arg.rst:170
msgid ""
"This format requires two arguments. The first is only used as input, and "
"must be a :c:expr:`const char*` which points to the name of an encoding as a "
"NUL-terminated string, or ``NULL``, in which case ``'utf-8'`` encoding is "
"used. An exception is raised if the named encoding is not known to Python. "
"The second argument must be a :c:expr:`char**`; the value of the pointer it "
"references will be set to a buffer with the contents of the argument text. "
"The text will be encoded in the encoding specified by the first argument."
msgstr ""
#: c-api/arg.rst:178
msgid ""
":c:func:`PyArg_ParseTuple` will allocate a buffer of the needed size, copy "
"the encoded data into this buffer and adjust *\\*buffer* to reference the "
"newly allocated storage. The caller is responsible for calling :c:func:"
"`PyMem_Free` to free the allocated buffer after use."
msgstr ""
#: c-api/arg.rst:183
msgid ""
"``et`` (:class:`str`, :class:`bytes` or :class:`bytearray`) [const char "
"\\*encoding, char \\*\\*buffer]"
msgstr ""
#: c-api/arg.rst:184
msgid ""
"Same as ``es`` except that byte string objects are passed through without "
"recoding them. Instead, the implementation assumes that the byte string "
"object uses the encoding passed in as parameter."
msgstr ""
#: c-api/arg.rst:188
msgid ""
"``es#`` (:class:`str`) [const char \\*encoding, char \\*\\*buffer, :c:type:"
"`Py_ssize_t` \\*buffer_length]"
msgstr ""
#: c-api/arg.rst:189
msgid ""
"This variant on ``s#`` is used for encoding Unicode into a character buffer. "
"Unlike the ``es`` format, this variant allows input data which contains NUL "
"characters."
msgstr ""
#: c-api/arg.rst:193
msgid ""
"It requires three arguments. The first is only used as input, and must be "
"a :c:expr:`const char*` which points to the name of an encoding as a NUL-"
"terminated string, or ``NULL``, in which case ``'utf-8'`` encoding is used. "
"An exception is raised if the named encoding is not known to Python. The "
"second argument must be a :c:expr:`char**`; the value of the pointer it "
"references will be set to a buffer with the contents of the argument text. "
"The text will be encoded in the encoding specified by the first argument. "
"The third argument must be a pointer to an integer; the referenced integer "
"will be set to the number of bytes in the output buffer."
msgstr ""
#: c-api/arg.rst:203
msgid "There are two modes of operation:"
msgstr ""
#: c-api/arg.rst:205
msgid ""
"If *\\*buffer* points a ``NULL`` pointer, the function will allocate a "
"buffer of the needed size, copy the encoded data into this buffer and set "
"*\\*buffer* to reference the newly allocated storage. The caller is "
"responsible for calling :c:func:`PyMem_Free` to free the allocated buffer "
"after usage."
msgstr ""
#: c-api/arg.rst:210
msgid ""
"If *\\*buffer* points to a non-``NULL`` pointer (an already allocated "
"buffer), :c:func:`PyArg_ParseTuple` will use this location as the buffer and "
"interpret the initial value of *\\*buffer_length* as the buffer size. It "
"will then copy the encoded data into the buffer and NUL-terminate it. If "
"the buffer is not large enough, a :exc:`ValueError` will be set."
msgstr ""
#: c-api/arg.rst:216
msgid ""
"In both cases, *\\*buffer_length* is set to the length of the encoded data "
"without the trailing NUL byte."
msgstr ""
#: c-api/arg.rst:219
msgid ""
"``et#`` (:class:`str`, :class:`bytes` or :class:`bytearray`) [const char "
"\\*encoding, char \\*\\*buffer, :c:type:`Py_ssize_t` \\*buffer_length]"
msgstr ""
#: c-api/arg.rst:220
msgid ""
"Same as ``es#`` except that byte string objects are passed through without "
"recoding them. Instead, the implementation assumes that the byte string "
"object uses the encoding passed in as parameter."
msgstr ""
#: c-api/arg.rst:224
msgid ""
"``u``, ``u#``, ``Z``, and ``Z#`` are removed because they used a legacy "
"``Py_UNICODE*`` representation."
msgstr ""
#: c-api/arg.rst:230
msgid "Numbers"
msgstr ""
#: c-api/arg.rst:232
msgid ""
"These formats allow representing Python numbers or single characters as C "
"numbers. Formats that require :class:`int`, :class:`float` or :class:"
"`complex` can also use the corresponding special methods :meth:`~object."
"__index__`, :meth:`~object.__float__` or :meth:`~object.__complex__` to "
"convert the Python object to the required type."
msgstr ""
#: c-api/arg.rst:238
msgid ""
"For signed integer formats, :exc:`OverflowError` is raised if the value is "
"out of range for the C type. For unsigned integer formats, no range checking "
"is done --- the most significant bits are silently truncated when the "
"receiving field is too small to receive the value."
msgstr ""
#: c-api/arg.rst:244
msgid "``b`` (:class:`int`) [unsigned char]"
msgstr ""
#: c-api/arg.rst:245
msgid ""
"Convert a nonnegative Python integer to an unsigned tiny integer, stored in "
"a C :c:expr:`unsigned char`."
msgstr ""
#: c-api/arg.rst:627
msgid "``B`` (:class:`int`) [unsigned char]"
msgstr ""
#: c-api/arg.rst:249
msgid ""
"Convert a Python integer to a tiny integer without overflow checking, stored "
"in a C :c:expr:`unsigned char`."
msgstr ""
#: c-api/arg.rst:621
msgid "``h`` (:class:`int`) [short int]"
msgstr ""
#: c-api/arg.rst:253
msgid "Convert a Python integer to a C :c:expr:`short int`."
msgstr ""
#: c-api/arg.rst:630
msgid "``H`` (:class:`int`) [unsigned short int]"
msgstr ""
#: c-api/arg.rst:256
msgid ""
"Convert a Python integer to a C :c:expr:`unsigned short int`, without "
"overflow checking."
msgstr ""
#: c-api/arg.rst:615
msgid "``i`` (:class:`int`) [int]"
msgstr ""
#: c-api/arg.rst:260
msgid "Convert a Python integer to a plain C :c:expr:`int`."
msgstr ""
#: c-api/arg.rst:633
msgid "``I`` (:class:`int`) [unsigned int]"
msgstr ""
#: c-api/arg.rst:263
msgid ""
"Convert a Python integer to a C :c:expr:`unsigned int`, without overflow "
"checking."
msgstr ""
#: c-api/arg.rst:624
msgid "``l`` (:class:`int`) [long int]"
msgstr ""
#: c-api/arg.rst:267
msgid "Convert a Python integer to a C :c:expr:`long int`."
msgstr ""
#: c-api/arg.rst:636
msgid "``k`` (:class:`int`) [unsigned long]"
msgstr ""
#: c-api/arg.rst:270
msgid ""
"Convert a Python integer to a C :c:expr:`unsigned long` without overflow "
"checking."
msgstr ""
#: c-api/arg.rst:639
msgid "``L`` (:class:`int`) [long long]"
msgstr ""
#: c-api/arg.rst:274
msgid "Convert a Python integer to a C :c:expr:`long long`."
msgstr ""
#: c-api/arg.rst:644
msgid "``K`` (:class:`int`) [unsigned long long]"
msgstr ""
#: c-api/arg.rst:277
msgid ""
"Convert a Python integer to a C :c:expr:`unsigned long long` without "
"overflow checking."
msgstr ""
#: c-api/arg.rst:647
msgid "``n`` (:class:`int`) [:c:type:`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:281
msgid "Convert a Python integer to a C :c:type:`Py_ssize_t`."
msgstr ""
#: c-api/arg.rst:283
msgid "``c`` (:class:`bytes` or :class:`bytearray` of length 1) [char]"
msgstr ""
#: c-api/arg.rst:284
msgid ""
"Convert a Python byte, represented as a :class:`bytes` or :class:`bytearray` "
"object of length 1, to a C :c:expr:`char`."
msgstr ""
#: c-api/arg.rst:287
msgid "Allow :class:`bytearray` objects."
msgstr ""
#: c-api/arg.rst:654
msgid "``C`` (:class:`str` of length 1) [int]"
msgstr ""
#: c-api/arg.rst:291
msgid ""
"Convert a Python character, represented as a :class:`str` object of length "
"1, to a C :c:expr:`int`."
msgstr ""
#: c-api/arg.rst:661
msgid "``f`` (:class:`float`) [float]"
msgstr ""
#: c-api/arg.rst:295
msgid "Convert a Python floating-point number to a C :c:expr:`float`."
msgstr ""
#: c-api/arg.rst:658
msgid "``d`` (:class:`float`) [double]"
msgstr ""
#: c-api/arg.rst:298
msgid "Convert a Python floating-point number to a C :c:expr:`double`."
msgstr ""
#: c-api/arg.rst:300
msgid "``D`` (:class:`complex`) [Py_complex]"
msgstr ""
#: c-api/arg.rst:301
msgid "Convert a Python complex number to a C :c:type:`Py_complex` structure."
msgstr ""
#: c-api/arg.rst:304
msgid "Other objects"
msgstr ""
#: c-api/arg.rst:667
msgid "``O`` (object) [PyObject \\*]"
msgstr ""
#: c-api/arg.rst:307
msgid ""
"Store a Python object (without any conversion) in a C object pointer. The C "
"program thus receives the actual object that was passed. A new :term:"
"`strong reference` to the object is not created (i.e. its reference count is "
"not increased). The pointer stored is not ``NULL``."
msgstr ""
#: c-api/arg.rst:313
msgid "``O!`` (object) [*typeobject*, PyObject \\*]"
msgstr ""
#: c-api/arg.rst:314
msgid ""
"Store a Python object in a C object pointer. This is similar to ``O``, but "
"takes two C arguments: the first is the address of a Python type object, the "
"second is the address of the C variable (of type :c:expr:`PyObject*`) into "
"which the object pointer is stored. If the Python object does not have the "
"required type, :exc:`TypeError` is raised."
msgstr ""
#: c-api/arg.rst:322
msgid "``O&`` (object) [*converter*, *address*]"
msgstr ""
#: c-api/arg.rst:323
msgid ""
"Convert a Python object to a C variable through a *converter* function. "
"This takes two arguments: the first is a function, the second is the address "
"of a C variable (of arbitrary type), converted to :c:expr:`void *`. The "
"*converter* function in turn is called as follows::"
msgstr ""
#: c-api/arg.rst:328
msgid "status = converter(object, address);"
msgstr ""
#: c-api/arg.rst:330
msgid ""
"where *object* is the Python object to be converted and *address* is the :c:"
"expr:`void*` argument that was passed to the ``PyArg_Parse*`` function. The "
"returned *status* should be ``1`` for a successful conversion and ``0`` if "
"the conversion has failed. When the conversion fails, the *converter* "
"function should raise an exception and leave the content of *address* "
"unmodified."
msgstr ""
#: c-api/arg.rst:339
msgid ""
"If the *converter* returns :c:macro:`!Py_CLEANUP_SUPPORTED`, it may get "
"called a second time if the argument parsing eventually fails, giving the "
"converter a chance to release any memory that it had already allocated. In "
"this second call, the *object* parameter will be ``NULL``; *address* will "
"have the same value as in the original call."
msgstr ""
#: c-api/arg.rst:345
msgid ""
"Examples of converters: :c:func:`PyUnicode_FSConverter` and :c:func:"
"`PyUnicode_FSDecoder`."
msgstr ""
#: c-api/arg.rst:348
msgid ":c:macro:`!Py_CLEANUP_SUPPORTED` was added."
msgstr ""
#: c-api/arg.rst:351
msgid "``p`` (:class:`bool`) [int]"
msgstr ""
#: c-api/arg.rst:352
msgid ""
"Tests the value passed in for truth (a boolean **p**\\ redicate) and "
"converts the result to its equivalent C true/false integer value. Sets the "
"int to ``1`` if the expression was true and ``0`` if it was false. This "
"accepts any valid Python value. See :ref:`truth` for more information about "
"how Python tests values for truth."
msgstr ""
#: c-api/arg.rst:691
msgid "``(items)`` (:class:`tuple`) [*matching-items*]"
msgstr ""
#: c-api/arg.rst:361
msgid ""
"The object must be a Python sequence whose length is the number of format "
"units in *items*. The C arguments must correspond to the individual format "
"units in *items*. Format units for sequences may be nested."
msgstr ""
#: c-api/arg.rst:365
msgid ""
"A few other characters have a meaning in a format string. These may not "
"occur inside nested parentheses. They are:"
msgstr ""
#: c-api/arg.rst:368
msgid "``|``"
msgstr ""
#: c-api/arg.rst:369
msgid ""
"Indicates that the remaining arguments in the Python argument list are "
"optional. The C variables corresponding to optional arguments should be "
"initialized to their default value --- when an optional argument is not "
"specified, :c:func:`PyArg_ParseTuple` does not touch the contents of the "
"corresponding C variable(s)."
msgstr ""
#: c-api/arg.rst:375
msgid "``$``"
msgstr ""
#: c-api/arg.rst:376
msgid ""
":c:func:`PyArg_ParseTupleAndKeywords` only: Indicates that the remaining "
"arguments in the Python argument list are keyword-only. Currently, all "
"keyword-only arguments must also be optional arguments, so ``|`` must always "
"be specified before ``$`` in the format string."
msgstr ""
#: c-api/arg.rst:384
msgid "``:``"
msgstr ""
#: c-api/arg.rst:385
msgid ""
"The list of format units ends here; the string after the colon is used as "
"the function name in error messages (the \"associated value\" of the "
"exception that :c:func:`PyArg_ParseTuple` raises)."
msgstr ""
#: c-api/arg.rst:389
msgid "``;``"
msgstr ""
#: c-api/arg.rst:390
msgid ""
"The list of format units ends here; the string after the semicolon is used "
"as the error message *instead* of the default error message. ``:`` and ``;"
"`` mutually exclude each other."
msgstr ""
#: c-api/arg.rst:394
msgid ""
"Note that any Python object references which are provided to the caller are "
"*borrowed* references; do not release them (i.e. do not decrement their "
"reference count)!"
msgstr ""
#: c-api/arg.rst:398
msgid ""
"Additional arguments passed to these functions must be addresses of "
"variables whose type is determined by the format string; these are used to "
"store values from the input tuple. There are a few cases, as described in "
"the list of format units above, where these parameters are used as input "
"values; they should match what is specified for the corresponding format "
"unit in that case."
msgstr ""
#: c-api/arg.rst:404
msgid ""
"For the conversion to succeed, the *arg* object must match the format and "
"the format must be exhausted. On success, the ``PyArg_Parse*`` functions "
"return true, otherwise they return false and raise an appropriate exception. "
"When the ``PyArg_Parse*`` functions fail due to conversion failure in one of "
"the format units, the variables at the addresses corresponding to that and "
"the following format units are left untouched."
msgstr ""
#: c-api/arg.rst:413
msgid "API Functions"
msgstr ""
#: c-api/arg.rst:417
msgid ""
"Parse the parameters of a function that takes only positional parameters "
"into local variables. Returns true on success; on failure, it returns false "
"and raises the appropriate exception."
msgstr ""
#: c-api/arg.rst:424
msgid ""
"Identical to :c:func:`PyArg_ParseTuple`, except that it accepts a va_list "
"rather than a variable number of arguments."
msgstr ""
#: c-api/arg.rst:430
msgid ""
"Parse the parameters of a function that takes both positional and keyword "
"parameters into local variables. The *keywords* argument is a ``NULL``-"
"terminated array of keyword parameter names specified as null-terminated "
"ASCII or UTF-8 encoded C strings. Empty names denote :ref:`positional-only "
"parameters <positional-only_parameter>`. Returns true on success; on "
"failure, it returns false and raises the appropriate exception."
msgstr ""
#: c-api/arg.rst:441
msgid ""
"The *keywords* parameter declaration is :c:expr:`char * const *` in C and :c:"
"expr:`const char * const *` in C++. This can be overridden with the :c:macro:"
"`PY_CXX_CONST` macro."
msgstr ""
#: c-api/arg.rst:445
msgid ""
"Added support for :ref:`positional-only parameters <positional-"
"only_parameter>`."
msgstr ""
#: c-api/arg.rst:449
msgid ""
"The *keywords* parameter has now type :c:expr:`char * const *` in C and :c:"
"expr:`const char * const *` in C++, instead of :c:expr:`char **`. Added "
"support for non-ASCII keyword parameter names."
msgstr ""
#: c-api/arg.rst:458
msgid ""
"Identical to :c:func:`PyArg_ParseTupleAndKeywords`, except that it accepts a "
"va_list rather than a variable number of arguments."
msgstr ""
#: c-api/arg.rst:464
msgid ""
"Ensure that the keys in the keywords argument dictionary are strings. This "
"is only needed if :c:func:`PyArg_ParseTupleAndKeywords` is not used, since "
"the latter already does this check."
msgstr ""
#: c-api/arg.rst:473
msgid ""
"Parse the parameter of a function that takes a single positional parameter "
"into a local variable. Returns true on success; on failure, it returns "
"false and raises the appropriate exception."
msgstr ""
#: c-api/arg.rst:477
msgid "Example::"
msgstr ""
#: c-api/arg.rst:479
msgid ""
"// Function using METH_O calling convention\n"
"static PyObject*\n"
"my_function(PyObject *module, PyObject *arg)\n"
"{\n"
" int value;\n"
" if (!PyArg_Parse(arg, \"i:my_function\", &value)) {\n"
" return NULL;\n"
" }\n"
" // ... use value ...\n"
"}"
msgstr ""
#: c-api/arg.rst:493
msgid ""
"A simpler form of parameter retrieval which does not use a format string to "
"specify the types of the arguments. Functions which use this method to "
"retrieve their parameters should be declared as :c:macro:`METH_VARARGS` in "
"function or method tables. The tuple containing the actual parameters "
"should be passed as *args*; it must actually be a tuple. The length of the "
"tuple must be at least *min* and no more than *max*; *min* and *max* may be "
"equal. Additional arguments must be passed to the function, each of which "
"should be a pointer to a :c:expr:`PyObject*` variable; these will be filled "
"in with the values from *args*; they will contain :term:`borrowed references "
"<borrowed reference>`. The variables which correspond to optional parameters "
"not given by *args* will not be filled in; these should be initialized by "
"the caller. This function returns true on success and false if *args* is not "
"a tuple or contains the wrong number of elements; an exception will be set "
"if there was a failure."
msgstr ""
#: c-api/arg.rst:508
msgid ""
"This is an example of the use of this function, taken from the sources for "
"the :mod:`!_weakref` helper module for weak references::"
msgstr ""
#: c-api/arg.rst:511
msgid ""
"static PyObject *\n"
"weakref_ref(PyObject *self, PyObject *args)\n"
"{\n"
" PyObject *object;\n"
" PyObject *callback = NULL;\n"
" PyObject *result = NULL;\n"
"\n"
" if (PyArg_UnpackTuple(args, \"ref\", 1, 2, &object, &callback)) {\n"
" result = PyWeakref_NewRef(object, callback);\n"
" }\n"
" return result;\n"
"}"
msgstr ""
#: c-api/arg.rst:524
msgid ""
"The call to :c:func:`PyArg_UnpackTuple` in this example is entirely "
"equivalent to this call to :c:func:`PyArg_ParseTuple`::"
msgstr ""
#: c-api/arg.rst:527
msgid "PyArg_ParseTuple(args, \"O|O:ref\", &object, &callback)"
msgstr ""
#: c-api/arg.rst:531
msgid ""
"The value to be inserted, if any, before :c:expr:`char * const *` in the "
"*keywords* parameter declaration of :c:func:`PyArg_ParseTupleAndKeywords` "
"and :c:func:`PyArg_VaParseTupleAndKeywords`. Default empty for C and "
"``const`` for C++ (:c:expr:`const char * const *`). To override, define it "
"to the desired value before including :file:`Python.h`."
msgstr ""
#: c-api/arg.rst:545
msgid "Building values"
msgstr ""
#: c-api/arg.rst:549
msgid ""
"Create a new value based on a format string similar to those accepted by the "
"``PyArg_Parse*`` family of functions and a sequence of values. Returns the "
"value or ``NULL`` in the case of an error; an exception will be raised if "
"``NULL`` is returned."
msgstr ""
#: c-api/arg.rst:554
msgid ""
":c:func:`Py_BuildValue` does not always build a tuple. It builds a tuple "
"only if its format string contains two or more format units. If the format "
"string is empty, it returns ``None``; if it contains exactly one format "
"unit, it returns whatever object is described by that format unit. To force "
"it to return a tuple of size 0 or one, parenthesize the format string."
msgstr ""
#: c-api/arg.rst:560
msgid ""
"When memory buffers are passed as parameters to supply data to build "
"objects, as for the ``s`` and ``s#`` formats, the required data is copied. "
"Buffers provided by the caller are never referenced by the objects created "
"by :c:func:`Py_BuildValue`. In other words, if your code invokes :c:func:"
"`malloc` and passes the allocated memory to :c:func:`Py_BuildValue`, your "
"code is responsible for calling :c:func:`free` for that memory once :c:func:"
"`Py_BuildValue` returns."
msgstr ""
#: c-api/arg.rst:568
msgid ""
"In the following description, the quoted form is the format unit; the entry "
"in (round) parentheses is the Python object type that the format unit will "
"return; and the entry in [square] brackets is the type of the C value(s) to "
"be passed."
msgstr ""
#: c-api/arg.rst:572
msgid ""
"The characters space, tab, colon and comma are ignored in format strings "
"(but not within format units such as ``s#``). This can be used to make long "
"format strings a tad more readable."
msgstr ""
#: c-api/arg.rst:576
msgid "``s`` (:class:`str` or ``None``) [const char \\*]"
msgstr ""
#: c-api/arg.rst:577
msgid ""
"Convert a null-terminated C string to a Python :class:`str` object using "
"``'utf-8'`` encoding. If the C string pointer is ``NULL``, ``None`` is used."
msgstr ""
#: c-api/arg.rst:580
msgid ""
"``s#`` (:class:`str` or ``None``) [const char \\*, :c:type:`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:581
msgid ""
"Convert a C string and its length to a Python :class:`str` object using "
"``'utf-8'`` encoding. If the C string pointer is ``NULL``, the length is "
"ignored and ``None`` is returned."
msgstr ""
#: c-api/arg.rst:585
msgid "``y`` (:class:`bytes`) [const char \\*]"
msgstr ""
#: c-api/arg.rst:586
msgid ""
"This converts a C string to a Python :class:`bytes` object. If the C string "
"pointer is ``NULL``, ``None`` is returned."
msgstr ""
#: c-api/arg.rst:589
msgid "``y#`` (:class:`bytes`) [const char \\*, :c:type:`Py_ssize_t`]"
msgstr ""
#: c-api/arg.rst:590
msgid ""
"This converts a C string and its lengths to a Python object. If the C "
"string pointer is ``NULL``, ``None`` is returned."
msgstr ""
#: c-api/arg.rst:610
msgid "Same as ``s``."
msgstr ""
#: c-api/arg.rst:596
msgid ""
"``z#`` (:class:`str` or ``None``) [const char \\*, :c:type:`Py_ssize_t`]"
msgstr ""