def get_home_dir():
"""
Return user home directory
"""
try:
# expanduser() returns a raw byte string which needs to be
# decoded with the codec that the OS is using to represent file paths.
path = encoding.to_unicode_from_fs(osp.expanduser('~'))
except:
path = ''
for env_var in ('HOME', 'USERPROFILE', 'TMP'):
if osp.isdir(path):
break
# os.environ.get() returns a raw byte string which needs to be
# decoded with the codec that the OS is using to represent environment
# variables.
path = encoding.to_unicode_from_fs(os.environ.get(env_var, ''))
if path:
return path
else:
raise RuntimeError('Please define environment variable $HOME')
def sphinxify(docstring, context, buildername='html'):
"""
Runs Sphinx on a docstring and outputs the processed documentation.
Parameters
----------
docstring : str
a ReST-formatted docstring
context : dict
Variables to be passed to the layout template to control how its
rendered (through the Sphinx variable *html_context*).
buildername: str
It can be either `html` or `text`.
Returns
-------
An Sphinx-processed string, in either HTML or plain text format, depending
on the value of `buildername`
"""
srcdir = mkdtemp()
srcdir = encoding.to_unicode_from_fs(srcdir)
base_name = osp.join(srcdir, 'docstring')
rst_name = base_name + '.rst'
if buildername == 'html':
suffix = '.html'
else:
suffix = '.txt'
output_name = base_name + suffix
# This is needed so users can type \\ on latex eqnarray envs inside of raw
# docstrings
if context['right_sphinx_version'] and context['math_on']:
docstring = docstring.replace('\\\\', '\\\\\\\\')
# Add a class to several characters on the argspec. This way we can
# colorize them using css, in a similar way to what IPython does.
argspec = context['argspec']
for char in ['=', ',', '(', ')', '*', '**']:
argspec = argspec.replace(char,
'<span class="argspec-highlight">' + char + '</span>')
context['argspec'] = argspec
doc_file = codecs.open(rst_name, 'w', encoding='utf-8')
doc_file.write(docstring)
doc_file.close()
temp_confdir = False
if temp_confdir:
# TODO: This may be inefficient. Find a faster way to do it.
confdir = mkdtemp()
confdir = encoding.to_unicode_from_fs(confdir)
generate_configuration(confdir)
else:
confdir = osp.join(get_module_source_path('src.gui.utils.inspector'))
confoverrides = {'html_context': context}
doctreedir = osp.join(srcdir, 'doctrees')
sphinx_app = Sphinx(srcdir, confdir, srcdir, doctreedir, buildername,
confoverrides, status=None, warning=None,
freshenv=True, warningiserror=False, tags=None)
try:
sphinx_app.build(None, [rst_name])
except SystemMessage:
output = _("It was not possible to generate rich text help for this "
"object.</br>"
"Please see it in plain text.")
return warning(output)
# TODO: Investigate if this is necessary/important for us
if osp.exists(output_name):
output = codecs.open(output_name, 'r', encoding='utf-8').read()
output = output.replace('<pre>', '<pre class="literal-block">')
else:
output = _("It was not possible to generate rich text help for this "
"object.</br>"
"Please see it in plain text.")
return warning(output)
if temp_confdir:
shutil.rmtree(confdir, ignore_errors=True)
shutil.rmtree(srcdir, ignore_errors=True)
return output
