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# -*- coding: utf-8 -*-
"""
sphinx.testing.util
~~~~~~~~~~~~~~~~~~~
Sphinx test suite utilities
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
import re
import sys
import warnings
from xml.etree import ElementTree
from docutils import nodes
from docutils.parsers.rst import directives, roles
from six import string_types
from sphinx import application
from sphinx.builders.latex import LaTeXBuilder
from sphinx.ext.autodoc import AutoDirective
from sphinx.pycode import ModuleAnalyzer
from sphinx.testing.path import path
if False:
# For type annotation
from typing import Any, Dict, Generator, IO, List, Pattern # NOQA
__all__ = [
'Struct',
'SphinxTestApp', 'SphinxTestAppWrapperForSkipBuilding',
'remove_unicode_literals',
]
def assert_re_search(regex, text, flags=0):
# type: (Pattern, unicode, int) -> None
if not re.search(regex, text, flags):
assert False, '%r did not match %r' % (regex, text)
def assert_not_re_search(regex, text, flags=0):
# type: (Pattern, unicode, int) -> None
if re.search(regex, text, flags):
assert False, '%r did match %r' % (regex, text)
def assert_startswith(thing, prefix):
# type: (unicode, unicode) -> None
if not thing.startswith(prefix):
assert False, '%r does not start with %r' % (thing, prefix)
def assert_node(node, cls=None, xpath="", **kwargs):
# type: (nodes.Node, Any, unicode, Any) -> None
if cls:
if isinstance(cls, list):
assert_node(node, cls[0], xpath=xpath, **kwargs)
if cls[1:]:
if isinstance(cls[1], tuple):
assert_node(node, cls[1], xpath=xpath, **kwargs)
else:
assert len(node) == 1, \
'The node%s has %d child nodes, not one' % (xpath, len(node))
assert_node(node[0], cls[1:], xpath=xpath + "[0]", **kwargs)
elif isinstance(cls, tuple):
assert len(node) == len(cls), \
'The node%s has %d child nodes, not %r' % (xpath, len(node), len(cls))
for i, nodecls in enumerate(cls):
path = xpath + "[%d]" % i
assert_node(node[i], nodecls, xpath=path, **kwargs)
elif isinstance(cls, string_types):
assert node == cls, 'The node %r is not %r: %r' % (xpath, cls, node)
else:
assert isinstance(node, cls), \
'The node%s is not subclass of %r: %r' % (xpath, cls, node)
for key, value in kwargs.items():
assert key in node, 'The node%s does not have %r attribute: %r' % (xpath, key, node)
assert node[key] == value, \
'The node%s[%s] is not %r: %r' % (xpath, key, value, node[key])
def etree_parse(path):
# type: (unicode) -> Any
with warnings.catch_warnings(record=False):
warnings.filterwarnings("ignore", category=DeprecationWarning)
return ElementTree.parse(path) # type: ignore
class Struct(object):
def __init__(self, **kwds):
# type: (Any) -> None
self.__dict__.update(kwds)
class SphinxTestApp(application.Sphinx):
"""
A subclass of :class:`Sphinx` that runs on the test root, with some
better default values for the initialization parameters.
"""
def __init__(self, buildername='html', srcdir=None,
freshenv=False, confoverrides=None, status=None, warning=None,
tags=None, docutilsconf=None):
# type: (unicode, path, bool, Dict, IO, IO, unicode, unicode) -> None
if docutilsconf is not None:
(srcdir / 'docutils.conf').write_text(docutilsconf)
builddir = srcdir / '_build'
# if confdir is None:
confdir = srcdir
# if outdir is None:
outdir = builddir.joinpath(buildername)
if not outdir.isdir():
outdir.makedirs()
# if doctreedir is None:
doctreedir = builddir.joinpath('doctrees')
if not doctreedir.isdir():
doctreedir.makedirs()
if confoverrides is None:
confoverrides = {}
# if warningiserror is None:
warningiserror = False
self._saved_path = sys.path[:]
self._saved_directives = directives._directives.copy()
self._saved_roles = roles._roles.copy()
self._saved_nodeclasses = set(v for v in dir(nodes.GenericNodeVisitor)
if v.startswith('visit_'))
try:
application.Sphinx.__init__(self, srcdir, confdir, outdir, doctreedir, # type: ignore # NOQA
buildername, confoverrides, status, warning,
freshenv, warningiserror, tags)
except Exception:
self.cleanup()
raise
def cleanup(self, doctrees=False):
# type: (bool) -> None
AutoDirective._registry.clear()
ModuleAnalyzer.cache.clear()
LaTeXBuilder.usepackages = []
sys.path[:] = self._saved_path
sys.modules.pop('autodoc_fodder', None)
directives._directives = self._saved_directives
roles._roles = self._saved_roles
for method in dir(nodes.GenericNodeVisitor):
if method.startswith('visit_') and \
method not in self._saved_nodeclasses:
delattr(nodes.GenericNodeVisitor, 'visit_' + method[6:])
delattr(nodes.GenericNodeVisitor, 'depart_' + method[6:])
def __repr__(self):
# type: () -> str
return '<%s buildername=%r>' % (self.__class__.__name__, self.builder.name)
class SphinxTestAppWrapperForSkipBuilding(object):
"""
This class is a wrapper for SphinxTestApp to speed up the test by skipping
`app.build` process if it is already built and there is even one output
file.
"""
def __init__(self, app_):
# type: (SphinxTestApp) -> None
self.app = app_
def __getattr__(self, name):
# type: (str) -> Any
return getattr(self.app, name)
def build(self, *args, **kw):
# type: (Any, Any) -> None
if not self.app.outdir.listdir(): # type: ignore
# if listdir is empty, do build.
self.app.build(*args, **kw)
# otherwise, we can use built cache
_unicode_literals_re = re.compile(r'u(".*?")|u(\'.*?\')')
def remove_unicode_literals(s):
# type: (unicode) -> unicode
return _unicode_literals_re.sub(lambda x: x.group(1) or x.group(2), s) # type: ignore
def find_files(root, suffix=None):
# type: (unicode, bool) -> Generator
for dirpath, dirs, files in os.walk(root, followlinks=True):
dirpath = path(dirpath)
for f in [f for f in files if not suffix or f.endswith(suffix)]: # type: ignore
fpath = dirpath / f
yield os.path.relpath(fpath, root)
def strip_escseq(text):
# type: (unicode) -> unicode
return re.sub('\x1b.*?m', '', text)
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