/usr/lib/python2.7/dist-packages/sphinx/theming.py is in python-sphinx 1.2.2+dfsg-1ubuntu1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | # -*- coding: utf-8 -*-
"""
sphinx.theming
~~~~~~~~~~~~~~
Theming support for HTML builders.
:copyright: Copyright 2007-2014 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
import shutil
import zipfile
import tempfile
import ConfigParser
from os import path
try:
import pkg_resources
except ImportError:
pkg_resources = False
from sphinx import package_dir
from sphinx.errors import ThemeError
NODEFAULT = object()
THEMECONF = 'theme.conf'
class Theme(object):
"""
Represents the theme chosen in the configuration.
"""
themes = {}
@classmethod
def init_themes(cls, confdir, theme_path, warn=None):
"""Search all theme paths for available themes."""
cls.themepath = list(theme_path)
cls.themepath.append(path.join(package_dir, 'themes'))
for themedir in cls.themepath[::-1]:
themedir = path.join(confdir, themedir)
if not path.isdir(themedir):
continue
for theme in os.listdir(themedir):
if theme.lower().endswith('.zip'):
try:
zfile = zipfile.ZipFile(path.join(themedir, theme))
if THEMECONF not in zfile.namelist():
continue
tname = theme[:-4]
tinfo = zfile
except Exception:
if warn:
warn('file %r on theme path is not a valid '
'zipfile or contains no theme' % theme)
continue
else:
if not path.isfile(path.join(themedir, theme, THEMECONF)):
continue
tname = theme
tinfo = None
cls.themes[tname] = (path.join(themedir, theme), tinfo)
@classmethod
def load_extra_themes(cls):
for themedir in load_theme_plugins():
if not path.isdir(themedir):
continue
for theme in os.listdir(themedir):
if not path.isfile(path.join(themedir, theme, THEMECONF)):
continue
cls.themes[theme] = (path.join(themedir, theme), None)
def __init__(self, name):
if name not in self.themes:
self.load_extra_themes()
if name not in self.themes:
raise ThemeError('no theme named %r found '
'(missing theme.conf?)' % name)
self.name = name
tdir, tinfo = self.themes[name]
if tinfo is None:
# already a directory, do nothing
self.themedir = tdir
self.themedir_created = False
else:
# extract the theme to a temp directory
self.themedir = tempfile.mkdtemp('sxt')
self.themedir_created = True
for name in tinfo.namelist():
if name.endswith('/'): continue
dirname = path.dirname(name)
if not path.isdir(path.join(self.themedir, dirname)):
os.makedirs(path.join(self.themedir, dirname))
fp = open(path.join(self.themedir, name), 'wb')
fp.write(tinfo.read(name))
fp.close()
self.themeconf = ConfigParser.RawConfigParser()
self.themeconf.read(path.join(self.themedir, THEMECONF))
try:
inherit = self.themeconf.get('theme', 'inherit')
except ConfigParser.NoOptionError:
raise ThemeError('theme %r doesn\'t have "inherit" setting' % name)
if inherit == 'none':
self.base = None
elif inherit not in self.themes:
raise ThemeError('no theme named %r found, inherited by %r' %
(inherit, name))
else:
self.base = Theme(inherit)
def get_confstr(self, section, name, default=NODEFAULT):
"""Return the value for a theme configuration setting, searching the
base theme chain.
"""
try:
return self.themeconf.get(section, name)
except (ConfigParser.NoOptionError, ConfigParser.NoSectionError):
if self.base is not None:
return self.base.get_confstr(section, name, default)
if default is NODEFAULT:
raise ThemeError('setting %s.%s occurs in none of the '
'searched theme configs' % (section, name))
else:
return default
def get_options(self, overrides):
"""Return a dictionary of theme options and their values."""
chain = [self.themeconf]
base = self.base
while base is not None:
chain.append(base.themeconf)
base = base.base
options = {}
for conf in reversed(chain):
try:
options.update(conf.items('options'))
except ConfigParser.NoSectionError:
pass
for option, value in overrides.iteritems():
if option not in options:
raise ThemeError('unsupported theme option %r given' % option)
options[option] = value
return options
def get_dirchain(self):
"""Return a list of theme directories, beginning with this theme's,
then the base theme's, then that one's base theme's, etc.
"""
chain = [self.themedir]
base = self.base
while base is not None:
chain.append(base.themedir)
base = base.base
return chain
def cleanup(self):
"""Remove temporary directories."""
if self.themedir_created:
try:
shutil.rmtree(self.themedir)
except Exception:
pass
if self.base:
self.base.cleanup()
def load_theme_plugins():
"""load plugins by using``sphinx_themes`` section in setuptools entry_points.
This API will return list of directory that contain some theme directory.
"""
if not pkg_resources:
return []
theme_paths = []
for plugin in pkg_resources.iter_entry_points('sphinx_themes'):
func_or_path = plugin.load()
try:
path = func_or_path()
except:
path = func_or_path
if isinstance(path, basestring):
theme_paths.append(path)
else:
raise ThemeError('Plugin %r does not response correctly.' %
plugin.module_name)
return theme_paths
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