Загрузить файлы в «venv/Lib/site-packages/pip/_vendor/pygments/formatters»

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2026-07-02 19:23:55 +00:00
parent 1c0637e48a
commit 916f49868d
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"""
pygments.formatters
~~~~~~~~~~~~~~~~~~~
Pygments formatters.
:copyright: Copyright 2006-2025 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import sys
import types
import fnmatch
from os.path import basename
from pip._vendor.pygments.formatters._mapping import FORMATTERS
from pip._vendor.pygments.plugin import find_plugin_formatters
from pip._vendor.pygments.util import ClassNotFound
__all__ = ['get_formatter_by_name', 'get_formatter_for_filename',
'get_all_formatters', 'load_formatter_from_file'] + list(FORMATTERS)
_formatter_cache = {} # classes by name
_pattern_cache = {}
def _fn_matches(fn, glob):
"""Return whether the supplied file name fn matches pattern filename."""
if glob not in _pattern_cache:
pattern = _pattern_cache[glob] = re.compile(fnmatch.translate(glob))
return pattern.match(fn)
return _pattern_cache[glob].match(fn)
def _load_formatters(module_name):
"""Load a formatter (and all others in the module too)."""
mod = __import__(module_name, None, None, ['__all__'])
for formatter_name in mod.__all__:
cls = getattr(mod, formatter_name)
_formatter_cache[cls.name] = cls
def get_all_formatters():
"""Return a generator for all formatter classes."""
# NB: this returns formatter classes, not info like get_all_lexers().
for info in FORMATTERS.values():
if info[1] not in _formatter_cache:
_load_formatters(info[0])
yield _formatter_cache[info[1]]
for _, formatter in find_plugin_formatters():
yield formatter
def find_formatter_class(alias):
"""Lookup a formatter by alias.
Returns None if not found.
"""
for module_name, name, aliases, _, _ in FORMATTERS.values():
if alias in aliases:
if name not in _formatter_cache:
_load_formatters(module_name)
return _formatter_cache[name]
for _, cls in find_plugin_formatters():
if alias in cls.aliases:
return cls
def get_formatter_by_name(_alias, **options):
"""
Return an instance of a :class:`.Formatter` subclass that has `alias` in its
aliases list. The formatter is given the `options` at its instantiation.
Will raise :exc:`pygments.util.ClassNotFound` if no formatter with that
alias is found.
"""
cls = find_formatter_class(_alias)
if cls is None:
raise ClassNotFound(f"no formatter found for name {_alias!r}")
return cls(**options)
def load_formatter_from_file(filename, formattername="CustomFormatter", **options):
"""
Return a `Formatter` subclass instance loaded from the provided file, relative
to the current directory.
The file is expected to contain a Formatter class named ``formattername``
(by default, CustomFormatter). Users should be very careful with the input, because
this method is equivalent to running ``eval()`` on the input file. The formatter is
given the `options` at its instantiation.
:exc:`pygments.util.ClassNotFound` is raised if there are any errors loading
the formatter.
.. versionadded:: 2.2
"""
try:
# This empty dict will contain the namespace for the exec'd file
custom_namespace = {}
with open(filename, 'rb') as f:
exec(f.read(), custom_namespace)
# Retrieve the class `formattername` from that namespace
if formattername not in custom_namespace:
raise ClassNotFound(f'no valid {formattername} class found in {filename}')
formatter_class = custom_namespace[formattername]
# And finally instantiate it with the options
return formatter_class(**options)
except OSError as err:
raise ClassNotFound(f'cannot read {filename}: {err}')
except ClassNotFound:
raise
except Exception as err:
raise ClassNotFound(f'error when loading custom formatter: {err}')
def get_formatter_for_filename(fn, **options):
"""
Return a :class:`.Formatter` subclass instance that has a filename pattern
matching `fn`. The formatter is given the `options` at its instantiation.
Will raise :exc:`pygments.util.ClassNotFound` if no formatter for that filename
is found.
"""
fn = basename(fn)
for modname, name, _, filenames, _ in FORMATTERS.values():
for filename in filenames:
if _fn_matches(fn, filename):
if name not in _formatter_cache:
_load_formatters(modname)
return _formatter_cache[name](**options)
for _name, cls in find_plugin_formatters():
for filename in cls.filenames:
if _fn_matches(fn, filename):
return cls(**options)
raise ClassNotFound(f"no formatter found for file name {fn!r}")
class _automodule(types.ModuleType):
"""Automatically import formatters."""
def __getattr__(self, name):
info = FORMATTERS.get(name)
if info:
_load_formatters(info[0])
cls = _formatter_cache[info[1]]
setattr(self, name, cls)
return cls
raise AttributeError(name)
oldmod = sys.modules[__name__]
newmod = _automodule(__name__)
newmod.__dict__.update(oldmod.__dict__)
sys.modules[__name__] = newmod
del newmod.newmod, newmod.oldmod, newmod.sys, newmod.types

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# Automatically generated by scripts/gen_mapfiles.py.
# DO NOT EDIT BY HAND; run `tox -e mapfiles` instead.
FORMATTERS = {
'BBCodeFormatter': ('pygments.formatters.bbcode', 'BBCode', ('bbcode', 'bb'), (), 'Format tokens with BBcodes. These formatting codes are used by many bulletin boards, so you can highlight your sourcecode with pygments before posting it there.'),
'BmpImageFormatter': ('pygments.formatters.img', 'img_bmp', ('bmp', 'bitmap'), ('*.bmp',), 'Create a bitmap image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
'GifImageFormatter': ('pygments.formatters.img', 'img_gif', ('gif',), ('*.gif',), 'Create a GIF image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
'GroffFormatter': ('pygments.formatters.groff', 'groff', ('groff', 'troff', 'roff'), (), 'Format tokens with groff escapes to change their color and font style.'),
'HtmlFormatter': ('pygments.formatters.html', 'HTML', ('html',), ('*.html', '*.htm'), "Format tokens as HTML 4 ``<span>`` tags. By default, the content is enclosed in a ``<pre>`` tag, itself wrapped in a ``<div>`` tag (but see the `nowrap` option). The ``<div>``'s CSS class can be set by the `cssclass` option."),
'IRCFormatter': ('pygments.formatters.irc', 'IRC', ('irc', 'IRC'), (), 'Format tokens with IRC color sequences'),
'ImageFormatter': ('pygments.formatters.img', 'img', ('img', 'IMG', 'png'), ('*.png',), 'Create a PNG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
'JpgImageFormatter': ('pygments.formatters.img', 'img_jpg', ('jpg', 'jpeg'), ('*.jpg',), 'Create a JPEG image from source code. This uses the Python Imaging Library to generate a pixmap from the source code.'),
'LatexFormatter': ('pygments.formatters.latex', 'LaTeX', ('latex', 'tex'), ('*.tex',), 'Format tokens as LaTeX code. This needs the `fancyvrb` and `color` standard packages.'),
'NullFormatter': ('pygments.formatters.other', 'Text only', ('text', 'null'), ('*.txt',), 'Output the text unchanged without any formatting.'),
'PangoMarkupFormatter': ('pygments.formatters.pangomarkup', 'Pango Markup', ('pango', 'pangomarkup'), (), 'Format tokens as Pango Markup code. It can then be rendered to an SVG.'),
'RawTokenFormatter': ('pygments.formatters.other', 'Raw tokens', ('raw', 'tokens'), ('*.raw',), 'Format tokens as a raw representation for storing token streams.'),
'RtfFormatter': ('pygments.formatters.rtf', 'RTF', ('rtf',), ('*.rtf',), 'Format tokens as RTF markup. This formatter automatically outputs full RTF documents with color information and other useful stuff. Perfect for Copy and Paste into Microsoft(R) Word(R) documents.'),
'SvgFormatter': ('pygments.formatters.svg', 'SVG', ('svg',), ('*.svg',), 'Format tokens as an SVG graphics file. This formatter is still experimental. Each line of code is a ``<text>`` element with explicit ``x`` and ``y`` coordinates containing ``<tspan>`` elements with the individual token styles.'),
'Terminal256Formatter': ('pygments.formatters.terminal256', 'Terminal256', ('terminal256', 'console256', '256'), (), 'Format tokens with ANSI color sequences, for output in a 256-color terminal or console. Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
'TerminalFormatter': ('pygments.formatters.terminal', 'Terminal', ('terminal', 'console'), (), 'Format tokens with ANSI color sequences, for output in a text console. Color sequences are terminated at newlines, so that paging the output works correctly.'),
'TerminalTrueColorFormatter': ('pygments.formatters.terminal256', 'TerminalTrueColor', ('terminal16m', 'console16m', '16m'), (), 'Format tokens with ANSI color sequences, for output in a true-color terminal or console. Like in `TerminalFormatter` color sequences are terminated at newlines, so that paging the output works correctly.'),
'TestcaseFormatter': ('pygments.formatters.other', 'Testcase', ('testcase',), (), 'Format tokens as appropriate for a new testcase.'),
}