Move document sidebar entries extraction to document.View
This way other modules can benefit from the same logic. Also make use
of the sidebar.getSidebarMenu method so that getMenusForScope is no
longer specific to full menu's.
Patch by: Sverre Rabbelier
"Misc. utility functions/classes for admin documentation generator."
import re
from email.Parser import HeaderParser
from email.Errors import HeaderParseError
from django.utils.safestring import mark_safe
try:
import docutils.core
import docutils.nodes
import docutils.parsers.rst.roles
except ImportError:
docutils_is_available = False
else:
docutils_is_available = True
def trim_docstring(docstring):
"""
Uniformly trims leading/trailing whitespace from docstrings.
Based on http://www.python.org/peps/pep-0257.html#handling-docstring-indentation
"""
if not docstring or not docstring.strip():
return ''
# Convert tabs to spaces and split into lines
lines = docstring.expandtabs().splitlines()
indent = min([len(line) - len(line.lstrip()) for line in lines if line.lstrip()])
trimmed = [lines[0].lstrip()] + [line[indent:].rstrip() for line in lines[1:]]
return "\n".join(trimmed).strip()
def parse_docstring(docstring):
"""
Parse out the parts of a docstring. Returns (title, body, metadata).
"""
docstring = trim_docstring(docstring)
parts = re.split(r'\n{2,}', docstring)
title = parts[0]
if len(parts) == 1:
body = ''
metadata = {}
else:
parser = HeaderParser()
try:
metadata = parser.parsestr(parts[-1])
except HeaderParseError:
metadata = {}
body = "\n\n".join(parts[1:])
else:
metadata = dict(metadata.items())
if metadata:
body = "\n\n".join(parts[1:-1])
else:
body = "\n\n".join(parts[1:])
return title, body, metadata
def parse_rst(text, default_reference_context, thing_being_parsed=None, link_base='../..'):
"""
Convert the string from reST to an XHTML fragment.
"""
overrides = {
'doctitle_xform' : True,
'inital_header_level' : 3,
"default_reference_context" : default_reference_context,
"link_base" : link_base,
}
if thing_being_parsed:
thing_being_parsed = "<%s>" % thing_being_parsed
parts = docutils.core.publish_parts(text, source_path=thing_being_parsed,
destination_path=None, writer_name='html',
settings_overrides=overrides)
return mark_safe(parts['fragment'])
#
# reST roles
#
ROLES = {
'model' : '%s/models/%s/',
'view' : '%s/views/%s/',
'template' : '%s/templates/%s/',
'filter' : '%s/filters/#%s',
'tag' : '%s/tags/#%s',
}
def create_reference_role(rolename, urlbase):
def _role(name, rawtext, text, lineno, inliner, options=None, content=None):
if options is None: options = {}
if content is None: content = []
node = docutils.nodes.reference(rawtext, text, refuri=(urlbase % (inliner.document.settings.link_base, text.lower())), **options)
return [node], []
docutils.parsers.rst.roles.register_canonical_role(rolename, _role)
def default_reference_role(name, rawtext, text, lineno, inliner, options=None, content=None):
if options is None: options = {}
if content is None: content = []
context = inliner.document.settings.default_reference_context
node = docutils.nodes.reference(rawtext, text, refuri=(ROLES[context] % (inliner.document.settings.link_base, text.lower())), **options)
return [node], []
if docutils_is_available:
docutils.parsers.rst.roles.register_canonical_role('cmsreference', default_reference_role)
docutils.parsers.rst.roles.DEFAULT_INTERPRETED_ROLE = 'cmsreference'
for name, urlbase in ROLES.items():
create_reference_role(name, urlbase)