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📁 backends
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📁 delaunay
📄 dviread.py(31.28 KB)
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📄 figure.py(40.3 KB)
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📄 finance.py(20.1 KB)
📄 finance.pyc(18.24 KB)
📄 finance.pyo(18.08 KB)
📄 font_manager.py(41.65 KB)
📄 font_manager.pyc(40.31 KB)
📄 font_manager.pyo(40.31 KB)
📄 fontconfig_pattern.py(6.28 KB)
📄 fontconfig_pattern.pyc(6.55 KB)
📄 fontconfig_pattern.pyo(6.55 KB)
📄 ft2font.so(298.99 KB)
📄 hatch.py(6.41 KB)
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📄 image.py(30.8 KB)
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📄 mathtext.py(99.62 KB)
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📄 mlab.py(92.08 KB)
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📁 mpl-data
📄 mpl.py(785 B)
📄 mpl.pyc(1.16 KB)
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📁 numerix
📄 nxutils.so(9.48 KB)
📄 offsetbox.py(29.11 KB)
📄 offsetbox.pyc(34.01 KB)
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📄 patches.py(125.47 KB)
📄 patches.pyc(130.6 KB)
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📄 path.py(21.25 KB)
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📁 projections
📄 pylab.py(10.72 KB)
📄 pylab.pyc(12.15 KB)
📄 pylab.pyo(12.15 KB)
📄 pyparsing.py(140.55 KB)
📄 pyparsing.pyc(147.64 KB)
📄 pyparsing.pyo(147.64 KB)
📄 pyplot.py(80.54 KB)
📄 pyplot.pyc(80.06 KB)
📄 pyplot.pyo(80.06 KB)
📄 quiver.py(36.66 KB)
📄 quiver.pyc(33.35 KB)
📄 quiver.pyo(33.35 KB)
📄 rcsetup.py(22.88 KB)
📄 rcsetup.pyc(21.02 KB)
📄 rcsetup.pyo(20.85 KB)
📄 scale.py(13.9 KB)
📄 scale.pyc(19.78 KB)
📄 scale.pyo(19.78 KB)
📁 sphinxext
📄 spines.py(12.39 KB)
📄 spines.pyc(11.6 KB)
📄 spines.pyo(11.19 KB)
📄 table.py(16.43 KB)
📄 table.pyc(16.97 KB)
📄 table.pyo(16.82 KB)
📄 texmanager.py(21.94 KB)
📄 texmanager.pyc(19.74 KB)
📄 texmanager.pyo(19.74 KB)
📄 text.py(58.42 KB)
📄 text.pyc(59.27 KB)
📄 text.pyo(59.27 KB)
📄 ticker.py(39.48 KB)
📄 ticker.pyc(50.94 KB)
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📄 tight_bbox.py(3.57 KB)
📄 tight_bbox.pyc(4.06 KB)
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📄 transforms.py(73.62 KB)
📄 transforms.pyc(90.27 KB)
📄 transforms.pyo(89.38 KB)
📄 ttconv.so(63.95 KB)
📄 type1font.py(11.27 KB)
📄 type1font.pyc(11.22 KB)
📄 type1font.pyo(11.22 KB)
📄 units.py(4.86 KB)
📄 units.pyc(5.78 KB)
📄 units.pyo(5.78 KB)
📄 widgets.py(39.88 KB)
📄 widgets.pyc(42.59 KB)
📄 widgets.pyo(42.4 KB)
📄 windowing.py(454 B)
📄 windowing.pyc(1.33 KB)
📄 windowing.pyo(1.33 KB)

Editing: fontconfig_pattern.py

"""
A module for parsing and generating fontconfig patterns.

See the `fontconfig pattern specification
<http://www.fontconfig.org/fontconfig-user.html>`_ for more
information.
"""

# Author : Michael Droettboom <mdroe@stsci.edu>
# License : matplotlib license (PSF compatible)

# This class is defined here because it must be available in:
#   - The old-style config framework (:file:`rcsetup.py`)
#   - The traits-based config framework (:file:`mpltraits.py`)
#   - The font manager (:file:`font_manager.py`)

# It probably logically belongs in :file:`font_manager.py`, but
# placing it in any of these places would have created cyclical
# dependency problems, or an undesired dependency on traits even
# when the traits-based config framework is not used.

import re
from matplotlib.pyparsing import Literal, ZeroOrMore, \
    Optional, Regex, StringEnd, ParseException, Suppress

family_punc = r'\\\-:,'
family_unescape = re.compile(r'\\([%s])' % family_punc).sub
family_escape = re.compile(r'([%s])' % family_punc).sub

value_punc = r'\\=_:,'
value_unescape = re.compile(r'\\([%s])' % value_punc).sub
value_escape = re.compile(r'([%s])' % value_punc).sub

class FontconfigPatternParser:
    """A simple pyparsing-based parser for fontconfig-style patterns.

See the `fontconfig pattern specification
    <http://www.fontconfig.org/fontconfig-user.html>`_ for more
    information.
    """

_constants = {
        'thin'           : ('weight', 'light'),
        'extralight'     : ('weight', 'light'),
        'ultralight'     : ('weight', 'light'),
        'light'          : ('weight', 'light'),
        'book'           : ('weight', 'book'),
        'regular'        : ('weight', 'regular'),
        'normal'         : ('weight', 'normal'),
        'medium'         : ('weight', 'medium'),
        'demibold'       : ('weight', 'demibold'),
        'semibold'       : ('weight', 'semibold'),
        'bold'           : ('weight', 'bold'),
        'extrabold'      : ('weight', 'extra bold'),
        'black'          : ('weight', 'black'),
        'heavy'          : ('weight', 'heavy'),
        'roman'          : ('slant', 'normal'),
        'italic'         : ('slant', 'italic'),
        'oblique'        : ('slant', 'oblique'),
        'ultracondensed' : ('width', 'ultra-condensed'),
        'extracondensed' : ('width', 'extra-condensed'),
        'condensed'      : ('width', 'condensed'),
        'semicondensed'  : ('width', 'semi-condensed'),
        'expanded'       : ('width', 'expanded'),
        'extraexpanded'  : ('width', 'extra-expanded'),
        'ultraexpanded'  : ('width', 'ultra-expanded')
        }

def __init__(self):
        family      = Regex(r'([^%s]|(\\[%s]))*' %
                            (family_punc, family_punc)) \
                      .setParseAction(self._family)
        size        = Regex(r"([0-9]+\.?[0-9]*|\.[0-9]+)") \
                      .setParseAction(self._size)
        name        = Regex(r'[a-z]+') \
                      .setParseAction(self._name)
        value       = Regex(r'([^%s]|(\\[%s]))*' %
                            (value_punc, value_punc)) \
                      .setParseAction(self._value)

families    =(family
                    + ZeroOrMore(
                        Literal(',')
                      + family)
                    ).setParseAction(self._families)

point_sizes =(size
                    + ZeroOrMore(
                        Literal(',')
                      + size)
                    ).setParseAction(self._point_sizes)

property    =( (name
                      + Suppress(Literal('='))
                      + value
                      + ZeroOrMore(
                          Suppress(Literal(','))
                        + value)
                      )
                     |  name
                    ).setParseAction(self._property)

pattern     =(Optional(
                        families)
                    + Optional(
                        Literal('-')
                      + point_sizes)
                    + ZeroOrMore(
                        Literal(':')
                      + property)
                    + StringEnd()
                    )

self._parser = pattern
        self.ParseException = ParseException

def parse(self, pattern):
        """
        Parse the given fontconfig *pattern* and return a dictionary
        of key/value pairs useful for initializing a
        :class:`font_manager.FontProperties` object.
        """
        props = self._properties = {}
        try:
            self._parser.parseString(pattern)
        except self.ParseException, e:
            raise ValueError("Could not parse font string: '%s'\n%s" % (pattern, e))

self._properties = None
        return props

def _family(self, s, loc, tokens):
        return [family_unescape(r'\1', str(tokens[0]))]

def _size(self, s, loc, tokens):
        return [float(tokens[0])]

def _name(self, s, loc, tokens):
        return [str(tokens[0])]

def _value(self, s, loc, tokens):
        return [value_unescape(r'\1', str(tokens[0]))]

def _families(self, s, loc, tokens):
        self._properties['family'] = [str(x) for x in tokens]
        return []

def _point_sizes(self, s, loc, tokens):
        self._properties['size'] = [str(x) for x in tokens]
        return []

def _property(self, s, loc, tokens):
        if len(tokens) == 1:
            if tokens[0] in self._constants:
                key, val = self._constants[tokens[0]]
                self._properties.setdefault(key, []).append(val)
        else:
            key = tokens[0]
            val = tokens[1:]
            self._properties.setdefault(key, []).extend(val)
        return []

parse_fontconfig_pattern = FontconfigPatternParser().parse

def generate_fontconfig_pattern(d):
    """
    Given a dictionary of key/value pairs, generates a fontconfig
    pattern string.
    """
    props = []
    families = ''
    size = ''
    for key in 'family style variant weight stretch file size'.split():
        val = getattr(d, 'get_' + key)()
        if val is not None and val != []:
            if type(val) == list:
                val = [value_escape(r'\\\1', str(x)) for x in val if x is not None]
                if val != []:
                    val = ','.join(val)
            props.append(":%s=%s" % (key, val))
    return ''.join(props)

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