/usr/lib/python3/dist-packages/sphinx/jinja2glue.py is in python3-sphinx 1.3.6-2ubuntu1.
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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 | # -*- coding: utf-8 -*-
"""
sphinx.jinja2glue
~~~~~~~~~~~~~~~~~
Glue code for the jinja2 templating engine.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from os import path
from pprint import pformat
from six import string_types
from jinja2 import FileSystemLoader, BaseLoader, TemplateNotFound, \
contextfunction
from jinja2.utils import open_if_exists
from jinja2.sandbox import SandboxedEnvironment
from sphinx.application import TemplateBridge
from sphinx.util.osutil import mtimes_of_files
def _tobool(val):
if isinstance(val, string_types):
return val.lower() in ('true', '1', 'yes', 'on')
return bool(val)
def _toint(val):
try:
return int(val)
except ValueError:
return 0
def accesskey(context, key):
"""Helper to output each access key only once."""
if '_accesskeys' not in context:
context.vars['_accesskeys'] = {}
if key and key not in context.vars['_accesskeys']:
context.vars['_accesskeys'][key] = 1
return 'accesskey="%s"' % key
return ''
class idgen(object):
def __init__(self):
self.id = 0
def current(self):
return self.id
def __next__(self):
self.id += 1
return self.id
next = __next__ # Python 2/Jinja compatibility
class SphinxFileSystemLoader(FileSystemLoader):
"""
FileSystemLoader subclass that is not so strict about '..' entries in
template names.
"""
def get_source(self, environment, template):
for searchpath in self.searchpath:
filename = path.join(searchpath, template)
f = open_if_exists(filename)
if f is None:
continue
try:
contents = f.read().decode(self.encoding)
finally:
f.close()
mtime = path.getmtime(filename)
def uptodate():
try:
return path.getmtime(filename) == mtime
except OSError:
return False
return contents, filename, uptodate
raise TemplateNotFound(template)
class BuiltinTemplateLoader(TemplateBridge, BaseLoader):
"""
Interfaces the rendering environment of jinja2 for use in Sphinx.
"""
# TemplateBridge interface
def init(self, builder, theme=None, dirs=None):
# create a chain of paths to search
if theme:
# the theme's own dir and its bases' dirs
pathchain = theme.get_dirchain()
# then the theme parent paths
loaderchain = pathchain + theme.themepath
elif dirs:
pathchain = list(dirs)
loaderchain = list(dirs)
else:
pathchain = []
loaderchain = []
# prepend explicit template paths
self.templatepathlen = len(builder.config.templates_path)
if builder.config.templates_path:
cfg_templates_path = [path.join(builder.confdir, tp)
for tp in builder.config.templates_path]
pathchain[0:0] = cfg_templates_path
loaderchain[0:0] = cfg_templates_path
# store it for use in newest_template_mtime
self.pathchain = pathchain
# make the paths into loaders
self.loaders = [SphinxFileSystemLoader(x) for x in loaderchain]
use_i18n = builder.app.translator is not None
extensions = use_i18n and ['jinja2.ext.i18n'] or []
self.environment = SandboxedEnvironment(loader=self,
extensions=extensions)
self.environment.filters['tobool'] = _tobool
self.environment.filters['toint'] = _toint
self.environment.globals['debug'] = contextfunction(pformat)
self.environment.globals['accesskey'] = contextfunction(accesskey)
self.environment.globals['idgen'] = idgen
if use_i18n:
self.environment.install_gettext_translations(
builder.app.translator)
def render(self, template, context):
return self.environment.get_template(template).render(context)
def render_string(self, source, context):
return self.environment.from_string(source).render(context)
def newest_template_mtime(self):
return max(mtimes_of_files(self.pathchain, '.html'))
# Loader interface
def get_source(self, environment, template):
loaders = self.loaders
# exclamation mark starts search from theme
if template.startswith('!'):
loaders = loaders[self.templatepathlen:]
template = template[1:]
for loader in loaders:
try:
return loader.get_source(environment, template)
except TemplateNotFound:
pass
raise TemplateNotFound(template)
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