def __init__(self, parameters):
params = self.parameters = util.OrderedDict()
pos = self.positional = []
named = self.named = []
alt = self.alternate = []
aliases = self.aliases = {}
required = self.required = set()
optional = self.optional = set()
for param in _develop_extras(parameters):
required_ = getattr(param, 'required', False)
aliases_ = getattr(param, 'aliases', None)
if required_:
required.add(param)
else:
optional.add(param)
if aliases_ is not None:
for alias in aliases_:
existing = aliases.get(alias)
if existing is not None:
raise ValueError(
"Parameters {0.display_name} and {1.display_name} "
"use a duplicate alias {2!r}.".format(
existing, param, alias))
aliases[alias] = param
if param.is_alternate_action:
alt.append(param)
elif aliases_ is not None:
named.append(param)
else:
pos.append(param)
params[getattr(param, 'argument_name', param.display_name)] = param
def prepare(self):
super(ClizeHelp, self).prepare()
s = self.sections = util.OrderedDict((
(LABEL_POS, util.OrderedDict()),
(LABEL_OPT, util.OrderedDict()),
(LABEL_ALT, util.OrderedDict()),
))
self.after = {}
for p in filter_undocumented(self.signature.positional):
s[LABEL_POS][pname(p)] = p, ''
for p in sorted(filter_undocumented(self.signature.named), key=pname):
s[LABEL_OPT][pname(p)] = p, ''
for p in sorted(filter_undocumented(self.signature.alternate),
key=pname):
s[LABEL_ALT][pname(p)] = p, ''
self._parse_help()
s[LABEL_ALT] = s.pop(LABEL_ALT)
def cli_commands(obj, namef, clizer):
cmds = util.OrderedDict()
cmd_by_name = {}
try:
names = util.dict_from_names(obj).items()
except AttributeError:
raise ValueError("Cannot guess name for anonymous objects "
"(lists, dicts, etc)")
for key, val in names:
if not key:
continue
names = tuple(namef(name) for name in util.maybe_iter(key))
cli = clizer.get_cli(val)
cmds[names] = cli
for name in names:
cmd_by_name[name] = cli
return cmds, cmd_by_name
def parse_docstring(self, s):
free_text = []
header = []
label = None
last_argname = None
for p in split_docstring(s):
argdoc = self.argdoc_re.match(p)
if argdoc:
argname, text = argdoc.groups()
if free_text:
if free_text[-1].endswith(':'):
label = free_text.pop()
if last_argname:
self.after[last_argname] = free_text
else:
header.extend(free_text)
free_text = []
last_argname = argname
try:
default_label = self.get_param_type(
self.signature.parameters[argname])
except KeyError:
continue
if default_label != LABEL_POS:
try:
param, _ = self.sections[default_label].pop(argname)
except KeyError:
continue
label_ = label or default_label
if label_ not in self.sections:
self.sections[label_] = util.OrderedDict()
else:
try:
param, _ = self.sections[default_label][argname]
except KeyError:
continue
label_ = default_label
self.sections[label_][argname] = param, text
else:
free_text.append(p)
if not last_argname:
header = free_text
footer = []
else:
footer = free_text
return lines_to_paragraphs(header), lines_to_paragraphs(footer)
