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# Copyright (C) 2001-2020, Python Software Foundation
# This file is distributed under the same license as the Python package.
# Maintained by the python-doc-es workteam.
# docs-es@python.org / https://mail.python.org/mailman3/lists/docs-es.python.org/
# Check https://github.com/PyCampES/python-docs-es/blob/3.7/TRANSLATORS to get the list of volunteers
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: Python 3.7\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2019-05-06 11:59-0400\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: python-doc-es (https://mail.python.org/mailman3/lists/docs-es.python.org)\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
#: ../Doc/reference/lexical_analysis.rst:6
msgid "Lexical analysis"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:10
msgid ""
"A Python program is read by a *parser*. Input to the parser is a stream of "
"*tokens*, generated by the *lexical analyzer*. This chapter describes how "
"the lexical analyzer breaks a file into tokens."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:14
msgid ""
"Python reads program text as Unicode code points; the encoding of a source "
"file can be given by an encoding declaration and defaults to UTF-8, see :pep:"
"`3120` for details. If the source file cannot be decoded, a :exc:"
"`SyntaxError` is raised."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:23
msgid "Line structure"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:27
msgid "A Python program is divided into a number of *logical lines*."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:33
msgid "Logical lines"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:37
msgid ""
"The end of a logical line is represented by the token NEWLINE. Statements "
"cannot cross logical line boundaries except where NEWLINE is allowed by the "
"syntax (e.g., between statements in compound statements). A logical line is "
"constructed from one or more *physical lines* by following the explicit or "
"implicit *line joining* rules."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:47
msgid "Physical lines"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:49
msgid ""
"A physical line is a sequence of characters terminated by an end-of-line "
"sequence. In source files and strings, any of the standard platform line "
"termination sequences can be used - the Unix form using ASCII LF (linefeed), "
"the Windows form using the ASCII sequence CR LF (return followed by "
"linefeed), or the old Macintosh form using the ASCII CR (return) character. "
"All of these forms can be used equally, regardless of platform. The end of "
"input also serves as an implicit terminator for the final physical line."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:57
msgid ""
"When embedding Python, source code strings should be passed to Python APIs "
"using the standard C conventions for newline characters (the ``\\n`` "
"character, representing ASCII LF, is the line terminator)."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:65
msgid "Comments"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:70
msgid ""
"A comment starts with a hash character (``#``) that is not part of a string "
"literal, and ends at the end of the physical line. A comment signifies the "
"end of the logical line unless the implicit line joining rules are invoked. "
"Comments are ignored by the syntax; they are not tokens."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:79
msgid "Encoding declarations"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:84
msgid ""
"If a comment in the first or second line of the Python script matches the "
"regular expression ``coding[=:]\\s*([-\\w.]+)``, this comment is processed "
"as an encoding declaration; the first group of this expression names the "
"encoding of the source code file. The encoding declaration must appear on a "
"line of its own. If it is the second line, the first line must also be a "
"comment-only line. The recommended forms of an encoding expression are ::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:93
msgid "which is recognized also by GNU Emacs, and ::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:97
msgid "which is recognized by Bram Moolenaar's VIM."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:99
msgid ""
"If no encoding declaration is found, the default encoding is UTF-8. In "
"addition, if the first bytes of the file are the UTF-8 byte-order mark "
"(``b'\\xef\\xbb\\xbf'``), the declared file encoding is UTF-8 (this is "
"supported, among others, by Microsoft's :program:`notepad`)."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:104
msgid ""
"If an encoding is declared, the encoding name must be recognized by Python. "
"The encoding is used for all lexical analysis, including string literals, "
"comments and identifiers."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:114
msgid "Explicit line joining"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:118
msgid ""
"Two or more physical lines may be joined into logical lines using backslash "
"characters (``\\``), as follows: when a physical line ends in a backslash "
"that is not part of a string literal or comment, it is joined with the "
"following forming a single logical line, deleting the backslash and the "
"following end-of-line character. For example::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:129
msgid ""
"A line ending in a backslash cannot carry a comment. A backslash does not "
"continue a comment. A backslash does not continue a token except for string "
"literals (i.e., tokens other than string literals cannot be split across "
"physical lines using a backslash). A backslash is illegal elsewhere on a "
"line outside a string literal."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:139
msgid "Implicit line joining"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:141
msgid ""
"Expressions in parentheses, square brackets or curly braces can be split "
"over more than one physical line without using backslashes. For example::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:149
msgid ""
"Implicitly continued lines can carry comments. The indentation of the "
"continuation lines is not important. Blank continuation lines are allowed. "
"There is no NEWLINE token between implicit continuation lines. Implicitly "
"continued lines can also occur within triple-quoted strings (see below); in "
"that case they cannot carry comments."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:159
msgid "Blank lines"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:163
msgid ""
"A logical line that contains only spaces, tabs, formfeeds and possibly a "
"comment, is ignored (i.e., no NEWLINE token is generated). During "
"interactive input of statements, handling of a blank line may differ "
"depending on the implementation of the read-eval-print loop. In the "
"standard interactive interpreter, an entirely blank logical line (i.e. one "
"containing not even whitespace or a comment) terminates a multi-line "
"statement."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:174
msgid "Indentation"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:178
msgid ""
"Leading whitespace (spaces and tabs) at the beginning of a logical line is "
"used to compute the indentation level of the line, which in turn is used to "
"determine the grouping of statements."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:182
msgid ""
"Tabs are replaced (from left to right) by one to eight spaces such that the "
"total number of characters up to and including the replacement is a multiple "
"of eight (this is intended to be the same rule as used by Unix). The total "
"number of spaces preceding the first non-blank character then determines the "
"line's indentation. Indentation cannot be split over multiple physical "
"lines using backslashes; the whitespace up to the first backslash determines "
"the indentation."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:190
msgid ""
"Indentation is rejected as inconsistent if a source file mixes tabs and "
"spaces in a way that makes the meaning dependent on the worth of a tab in "
"spaces; a :exc:`TabError` is raised in that case."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:194
msgid ""
"**Cross-platform compatibility note:** because of the nature of text editors "
"on non-UNIX platforms, it is unwise to use a mixture of spaces and tabs for "
"the indentation in a single source file. It should also be noted that "
"different platforms may explicitly limit the maximum indentation level."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:199
msgid ""
"A formfeed character may be present at the start of the line; it will be "
"ignored for the indentation calculations above. Formfeed characters "
"occurring elsewhere in the leading whitespace have an undefined effect (for "
"instance, they may reset the space count to zero)."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:206
msgid ""
"The indentation levels of consecutive lines are used to generate INDENT and "
"DEDENT tokens, using a stack, as follows."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:209
msgid ""
"Before the first line of the file is read, a single zero is pushed on the "
"stack; this will never be popped off again. The numbers pushed on the stack "
"will always be strictly increasing from bottom to top. At the beginning of "
"each logical line, the line's indentation level is compared to the top of "
"the stack. If it is equal, nothing happens. If it is larger, it is pushed on "
"the stack, and one INDENT token is generated. If it is smaller, it *must* "
"be one of the numbers occurring on the stack; all numbers on the stack that "
"are larger are popped off, and for each number popped off a DEDENT token is "
"generated. At the end of the file, a DEDENT token is generated for each "
"number remaining on the stack that is larger than zero."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:220
msgid ""
"Here is an example of a correctly (though confusingly) indented piece of "
"Python code::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:235
msgid "The following example shows various indentation errors::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:245
msgid ""
"(Actually, the first three errors are detected by the parser; only the last "
"error is found by the lexical analyzer --- the indentation of ``return r`` "
"does not match a level popped off the stack.)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:253
msgid "Whitespace between tokens"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:255
msgid ""
"Except at the beginning of a logical line or in string literals, the "
"whitespace characters space, tab and formfeed can be used interchangeably to "
"separate tokens. Whitespace is needed between two tokens only if their "
"concatenation could otherwise be interpreted as a different token (e.g., ab "
"is one token, but a b is two tokens)."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:265
msgid "Other tokens"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:267
msgid ""
"Besides NEWLINE, INDENT and DEDENT, the following categories of tokens "
"exist: *identifiers*, *keywords*, *literals*, *operators*, and *delimiters*. "
"Whitespace characters (other than line terminators, discussed earlier) are "
"not tokens, but serve to delimit tokens. Where ambiguity exists, a token "
"comprises the longest possible string that forms a legal token, when read "
"from left to right."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:277
msgid "Identifiers and keywords"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:281
msgid ""
"Identifiers (also referred to as *names*) are described by the following "
"lexical definitions."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:284
msgid ""
"The syntax of identifiers in Python is based on the Unicode standard annex "
"UAX-31, with elaboration and changes as defined below; see also :pep:`3131` "
"for further details."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:288
msgid ""
"Within the ASCII range (U+0001..U+007F), the valid characters for "
"identifiers are the same as in Python 2.x: the uppercase and lowercase "
"letters ``A`` through ``Z``, the underscore ``_`` and, except for the first "
"character, the digits ``0`` through ``9``."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:293
msgid ""
"Python 3.0 introduces additional characters from outside the ASCII range "
"(see :pep:`3131`). For these characters, the classification uses the "
"version of the Unicode Character Database as included in the :mod:"
"`unicodedata` module."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:297
msgid "Identifiers are unlimited in length. Case is significant."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:306
msgid "The Unicode category codes mentioned above stand for:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:308
msgid "*Lu* - uppercase letters"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:309
msgid "*Ll* - lowercase letters"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:310
msgid "*Lt* - titlecase letters"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:311
msgid "*Lm* - modifier letters"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:312
msgid "*Lo* - other letters"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:313
msgid "*Nl* - letter numbers"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:314
msgid "*Mn* - nonspacing marks"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:315
msgid "*Mc* - spacing combining marks"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:316
msgid "*Nd* - decimal numbers"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:317
msgid "*Pc* - connector punctuations"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:318
msgid ""
"*Other_ID_Start* - explicit list of characters in `PropList.txt <http://www."
"unicode.org/Public/11.0.0/ucd/PropList.txt>`_ to support backwards "
"compatibility"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:321
msgid "*Other_ID_Continue* - likewise"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:323
msgid ""
"All identifiers are converted into the normal form NFKC while parsing; "
"comparison of identifiers is based on NFKC."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:326
msgid ""
"A non-normative HTML file listing all valid identifier characters for "
"Unicode 4.1 can be found at https://www.dcl.hpi.uni-potsdam.de/home/loewis/"
"table-3131.html."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:334
msgid "Keywords"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:340
msgid ""
"The following identifiers are used as reserved words, or *keywords* of the "
"language, and cannot be used as ordinary identifiers. They must be spelled "
"exactly as written here:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:360
msgid "Reserved classes of identifiers"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:362
msgid ""
"Certain classes of identifiers (besides keywords) have special meanings. "
"These classes are identified by the patterns of leading and trailing "
"underscore characters:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:376
msgid "``_*``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:367
msgid ""
"Not imported by ``from module import *``. The special identifier ``_`` is "
"used in the interactive interpreter to store the result of the last "
"evaluation; it is stored in the :mod:`builtins` module. When not in "
"interactive mode, ``_`` has no special meaning and is not defined. See "
"section :ref:`import`."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:374
msgid ""
"The name ``_`` is often used in conjunction with internationalization; refer "
"to the documentation for the :mod:`gettext` module for more information on "
"this convention."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:384
msgid "``__*__``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:379
msgid ""
"System-defined names. These names are defined by the interpreter and its "
"implementation (including the standard library). Current system names are "
"discussed in the :ref:`specialnames` section and elsewhere. More will "
"likely be defined in future versions of Python. *Any* use of ``__*__`` "
"names, in any context, that does not follow explicitly documented use, is "
"subject to breakage without warning."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:391
msgid "``__*``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:387
msgid ""
"Class-private names. Names in this category, when used within the context "
"of a class definition, are re-written to use a mangled form to help avoid "
"name clashes between \"private\" attributes of base and derived classes. See "
"section :ref:`atom-identifiers`."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:396
msgid "Literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:400
msgid "Literals are notations for constant values of some built-in types."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:411
msgid "String and Bytes literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:413
msgid "String literals are described by the following lexical definitions:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:438
msgid ""
"One syntactic restriction not indicated by these productions is that "
"whitespace is not allowed between the :token:`stringprefix` or :token:"
"`bytesprefix` and the rest of the literal. The source character set is "
"defined by the encoding declaration; it is UTF-8 if no encoding declaration "
"is given in the source file; see section :ref:`encodings`."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:448
msgid ""
"In plain English: Both types of literals can be enclosed in matching single "
"quotes (``'``) or double quotes (``\"``). They can also be enclosed in "
"matching groups of three single or double quotes (these are generally "
"referred to as *triple-quoted strings*). The backslash (``\\``) character "
"is used to escape characters that otherwise have a special meaning, such as "
"newline, backslash itself, or the quote character."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:459
msgid ""
"Bytes literals are always prefixed with ``'b'`` or ``'B'``; they produce an "
"instance of the :class:`bytes` type instead of the :class:`str` type. They "
"may only contain ASCII characters; bytes with a numeric value of 128 or "
"greater must be expressed with escapes."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:468
msgid ""
"Both string and bytes literals may optionally be prefixed with a letter "
"``'r'`` or ``'R'``; such strings are called :dfn:`raw strings` and treat "
"backslashes as literal characters. As a result, in string literals, "
"``'\\U'`` and ``'\\u'`` escapes in raw strings are not treated specially. "
"Given that Python 2.x's raw unicode literals behave differently than Python "
"3.x's the ``'ur'`` syntax is not supported."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:475
msgid ""
"The ``'rb'`` prefix of raw bytes literals has been added as a synonym of "
"``'br'``."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:479
msgid ""
"Support for the unicode legacy literal (``u'value'``) was reintroduced to "
"simplify the maintenance of dual Python 2.x and 3.x codebases. See :pep:"
"`414` for more information."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:488
msgid ""
"A string literal with ``'f'`` or ``'F'`` in its prefix is a :dfn:`formatted "
"string literal`; see :ref:`f-strings`. The ``'f'`` may be combined with "
"``'r'``, but not with ``'b'`` or ``'u'``, therefore raw formatted strings "
"are possible, but formatted bytes literals are not."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:493
msgid ""
"In triple-quoted literals, unescaped newlines and quotes are allowed (and "
"are retained), except that three unescaped quotes in a row terminate the "
"literal. (A \"quote\" is the character used to open the literal, i.e. "
"either ``'`` or ``\"``.)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:512
msgid ""
"Unless an ``'r'`` or ``'R'`` prefix is present, escape sequences in string "
"and bytes literals are interpreted according to rules similar to those used "
"by Standard C. The recognized escape sequences are:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:517
#: ../Doc/reference/lexical_analysis.rst:550
msgid "Escape Sequence"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:517
#: ../Doc/reference/lexical_analysis.rst:550
msgid "Meaning"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:517
#: ../Doc/reference/lexical_analysis.rst:550
msgid "Notes"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:519
msgid "``\\newline``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:519
msgid "Backslash and newline ignored"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:521
msgid "``\\\\``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:521
msgid "Backslash (``\\``)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:523
msgid "``\\'``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:523
msgid "Single quote (``'``)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:525
msgid "``\\\"``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:525
msgid "Double quote (``\"``)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:527
msgid "``\\a``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:527
msgid "ASCII Bell (BEL)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:529
msgid "``\\b``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:529
msgid "ASCII Backspace (BS)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:531
msgid "``\\f``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:531
msgid "ASCII Formfeed (FF)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:533
msgid "``\\n``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:533
msgid "ASCII Linefeed (LF)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:535
msgid "``\\r``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:535
msgid "ASCII Carriage Return (CR)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:537
msgid "``\\t``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:537
msgid "ASCII Horizontal Tab (TAB)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:539
msgid "``\\v``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:539
msgid "ASCII Vertical Tab (VT)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:541
msgid "``\\ooo``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:541
msgid "Character with octal value *ooo*"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:541
msgid "(1,3)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:544
msgid "``\\xhh``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:544
msgid "Character with hex value *hh*"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:544
msgid "(2,3)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:547
msgid "Escape sequences only recognized in string literals are:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:552
msgid "``\\N{name}``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:552
msgid "Character named *name* in the Unicode database"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:552
msgid "\\(4)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:555
msgid "``\\uxxxx``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:555
msgid "Character with 16-bit hex value *xxxx*"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:555
msgid "\\(5)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:558
msgid "``\\Uxxxxxxxx``"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:558
msgid "Character with 32-bit hex value *xxxxxxxx*"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:558
msgid "\\(6)"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:562
msgid "Notes:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:565
msgid "As in Standard C, up to three octal digits are accepted."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:568
msgid "Unlike in Standard C, exactly two hex digits are required."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:571
msgid ""
"In a bytes literal, hexadecimal and octal escapes denote the byte with the "
"given value. In a string literal, these escapes denote a Unicode character "
"with the given value."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:576
msgid "Support for name aliases [#]_ has been added."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:580
msgid "Exactly four hex digits are required."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:583
msgid ""
"Any Unicode character can be encoded this way. Exactly eight hex digits are "
"required."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:589
msgid ""
"Unlike Standard C, all unrecognized escape sequences are left in the string "
"unchanged, i.e., *the backslash is left in the result*. (This behavior is "
"useful when debugging: if an escape sequence is mistyped, the resulting "
"output is more easily recognized as broken.) It is also important to note "
"that the escape sequences only recognized in string literals fall into the "
"category of unrecognized escapes for bytes literals."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:596
msgid ""
"Unrecognized escape sequences produce a DeprecationWarning. In some future "
"version of Python they will be a SyntaxError."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:600
msgid ""
"Even in a raw literal, quotes can be escaped with a backslash, but the "
"backslash remains in the result; for example, ``r\"\\\"\"`` is a valid "
"string literal consisting of two characters: a backslash and a double quote; "
"``r\"\\\"`` is not a valid string literal (even a raw string cannot end in "
"an odd number of backslashes). Specifically, *a raw literal cannot end in a "
"single backslash* (since the backslash would escape the following quote "
"character). Note also that a single backslash followed by a newline is "
"interpreted as those two characters as part of the literal, *not* as a line "
"continuation."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:613
msgid "String literal concatenation"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:615
msgid ""
"Multiple adjacent string or bytes literals (delimited by whitespace), "
"possibly using different quoting conventions, are allowed, and their meaning "
"is the same as their concatenation. Thus, ``\"hello\" 'world'`` is "
"equivalent to ``\"helloworld\"``. This feature can be used to reduce the "
"number of backslashes needed, to split long strings conveniently across long "
"lines, or even to add comments to parts of strings, for example::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:626
msgid ""
"Note that this feature is defined at the syntactical level, but implemented "
"at compile time. The '+' operator must be used to concatenate string "
"expressions at run time. Also note that literal concatenation can use "
"different quoting styles for each component (even mixing raw strings and "
"triple quoted strings), and formatted string literals may be concatenated "
"with plain string literals."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:645
msgid "Formatted string literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:649
msgid ""
"A :dfn:`formatted string literal` or :dfn:`f-string` is a string literal "
"that is prefixed with ``'f'`` or ``'F'``. These strings may contain "
"replacement fields, which are expressions delimited by curly braces ``{}``. "
"While other string literals always have a constant value, formatted strings "
"are really expressions evaluated at run time."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:655
msgid ""
"Escape sequences are decoded like in ordinary string literals (except when a "
"literal is also marked as a raw string). After decoding, the grammar for "
"the contents of the string is:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:669
msgid ""
"The parts of the string outside curly braces are treated literally, except "
"that any doubled curly braces ``'{{'`` or ``'}}'`` are replaced with the "
"corresponding single curly brace. A single opening curly bracket ``'{'`` "
"marks a replacement field, which starts with a Python expression. After the "
"expression, there may be a conversion field, introduced by an exclamation "
"point ``'!'``. A format specifier may also be appended, introduced by a "
"colon ``':'``. A replacement field ends with a closing curly bracket "
"``'}'``."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:678
msgid ""
"Expressions in formatted string literals are treated like regular Python "
"expressions surrounded by parentheses, with a few exceptions. An empty "
"expression is not allowed, and a :keyword:`lambda` expression must be "
"surrounded by explicit parentheses. Replacement expressions can contain "
"line breaks (e.g. in triple-quoted strings), but they cannot contain "
"comments. Each expression is evaluated in the context where the formatted "
"string literal appears, in order from left to right."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:686
msgid ""
"If a conversion is specified, the result of evaluating the expression is "
"converted before formatting. Conversion ``'!s'`` calls :func:`str` on the "
"result, ``'!r'`` calls :func:`repr`, and ``'!a'`` calls :func:`ascii`."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:690
msgid ""
"The result is then formatted using the :func:`format` protocol. The format "
"specifier is passed to the :meth:`__format__` method of the expression or "
"conversion result. An empty string is passed when the format specifier is "
"omitted. The formatted result is then included in the final value of the "
"whole string."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:696
msgid ""
"Top-level format specifiers may include nested replacement fields. These "
"nested fields may include their own conversion fields and :ref:`format "
"specifiers <formatspec>`, but may not include more deeply-nested replacement "
"fields. The :ref:`format specifier mini-language <formatspec>` is the same "
"as that used by the string .format() method."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:702
msgid ""
"Formatted string literals may be concatenated, but replacement fields cannot "
"be split across literals."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:705
msgid "Some examples of formatted string literals::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:724
msgid ""
"A consequence of sharing the same syntax as regular string literals is that "
"characters in the replacement fields must not conflict with the quoting used "
"in the outer formatted string literal::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:731
msgid ""
"Backslashes are not allowed in format expressions and will raise an error::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:736
msgid ""
"To include a value in which a backslash escape is required, create a "
"temporary variable."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:743
msgid ""
"Formatted string literals cannot be used as docstrings, even if they do not "
"include expressions."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:754
msgid ""
"See also :pep:`498` for the proposal that added formatted string literals, "
"and :meth:`str.format`, which uses a related format string mechanism."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:761
msgid "Numeric literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:767
msgid ""
"There are three types of numeric literals: integers, floating point numbers, "
"and imaginary numbers. There are no complex literals (complex numbers can "
"be formed by adding a real number and an imaginary number)."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:771
msgid ""
"Note that numeric literals do not include a sign; a phrase like ``-1`` is "
"actually an expression composed of the unary operator '``-``' and the "
"literal ``1``."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:785
msgid "Integer literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:787
msgid "Integer literals are described by the following lexical definitions:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:801
msgid ""
"There is no limit for the length of integer literals apart from what can be "
"stored in available memory."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:804
msgid ""
"Underscores are ignored for determining the numeric value of the literal. "
"They can be used to group digits for enhanced readability. One underscore "
"can occur between digits, and after base specifiers like ``0x``."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:808
msgid ""
"Note that leading zeros in a non-zero decimal number are not allowed. This "
"is for disambiguation with C-style octal literals, which Python used before "
"version 3.0."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:812
msgid "Some examples of integer literals::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:818
#: ../Doc/reference/lexical_analysis.rst:850
msgid "Underscores are now allowed for grouping purposes in literals."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:829
msgid "Floating point literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:831
msgid ""
"Floating point literals are described by the following lexical definitions:"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:841
msgid ""
"Note that the integer and exponent parts are always interpreted using radix "
"10. For example, ``077e010`` is legal, and denotes the same number as "
"``77e10``. The allowed range of floating point literals is implementation-"
"dependent. As in integer literals, underscores are supported for digit "
"grouping."
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:846
msgid "Some examples of floating point literals::"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:859
msgid "Imaginary literals"
msgstr ""
#: ../Doc/reference/lexical_analysis.rst:861