def __call__(self, parser, namespace, values, option_string=None):
if not values:
parser.print_help()
elif values=='config':
print(helputils.format_config(self.app.config_class))
elif values in self.app.default_provider_names:
module = importlib.import_module(values)
print(helputils.format_providermodule(module))
else:
#TODO: This is ugly as hell
providermods = self.app.load_providers()
rb = ResourceBuilder(self.app.config_class({}),
providermods,
[])
try:
providertree = rb.explain_provider(values)
except AttributeError:
alternatives = ['config', *self.app.default_provider_names]
alternatives += [f for mod in providermods
for f in get_providers(mod).keys()
]
msg = "No help available for %s" % values
print(ErrorWithAlternatives(msg, values, alternatives),
file=sys.stderr)
else:
print(helputils.print_providertree(providertree))
parser.exit()
def format_providermodule(module):
moddoc = sane_fill(module.__doc__, initial_indent='', subsequent_indent='')
if moddoc is None:
moddoc = ''
functions = get_providers(module)
lines = []
name = t.bold_underline(module.__name__)
for val, function in functions.items():
#Get the docs
doc = function.__doc__
if doc is None:
doc = ''
if hasattr(function, 'highlight'):
highlight = '(%s)' % function.highlight
color_highlight = get_highlight_color(function.highlight)(highlight)
else:
color_highlight = highlight = ''
color_header = "%s%s: "%(t.bold(val), color_highlight)
white_header = "%s%s:"%(val, highlight)
lines.append(wrap_lines_with_color_header(color_header, white_header, doc))
lines = '\n\n'.join(lines)
s = ("{name}\n{moddoc}\n"
"The following providers are defined in this module:\n\n"
"{lines}".format(name=name, moddoc = moddoc, lines=lines))
return s
