forgot to add the new keywords module

This commit is contained in:
David Halter
2012-09-06 02:19:11 +02:00
parent 30c61befba
commit d30c0e7e34

62
keywords.py Normal file
View File

@@ -0,0 +1,62 @@
import keyword
from _compatibility import is_py3k
import builtin
import pydoc
import pydoc_data.topics
if is_py3k():
keys = keyword.kwlist
else:
keys = keyword.kwlist + ['None', 'False', 'True']
def get_keywords(string='', all=False):
if all:
return set([Keyword(k) for k in keys])
if string in keys:
return set([Keyword(string)])
return set()
def get_operator(string):
return Keyword(string)
class Keyword(object):
def __init__(self, name):
self.name = name
self.parent = lambda: None
def get_parent_until(self):
return builtin.builtin_scope
@property
def docstr(self):
return imitate_pydoc(self.name)
def __repr__(self):
return '<%s: %s>' % (self.__class__.__name__, self.name)
def imitate_pydoc(string):
h = pydoc.help
try:
# try to access symbols
string = h.symbols[string]
string, _, related = string.partition(' ')
except KeyError:
pass
get_target = lambda s: h.topics.get(s, h.keywords.get(s))
while type(string) == type(''):
string = get_target(string)
try:
# is a tuple now
label, related = string
except TypeError:
return ''
return pydoc_data.topics.topics[label]