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keywords.py
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executable file
·86 lines (66 loc) · 2 KB
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import pydoc
import keyword
from jedi._compatibility import is_py3
from jedi import common
from jedi.evaluate import compiled
from jedi.evaluate.helpers import FakeName
try:
from pydoc_data import topics as pydoc_topics
except ImportError:
# Python 2.6
import pydoc_topics
if is_py3:
keys = keyword.kwlist
else:
keys = keyword.kwlist + ['None', 'False', 'True']
def keywords(string='', pos=(0, 0), all=False):
if all:
return set([Keyword(k, pos) for k in keys])
if string in keys:
return set([Keyword(string, pos)])
return set()
def keyword_names(*args, **kwargs):
return [k.name for k in keywords(*args, **kwargs)]
def get_operator(string, pos):
return Keyword(string, pos)
class Keyword(object):
def __init__(self, name, pos):
self.name = FakeName(name, self, pos)
self.start_pos = pos
self.parent = compiled.builtin
def get_parent_until(self):
return self.parent
@property
def names(self):
""" For a `parsing.Name` like comparision """
return [self.name]
@property
def docstr(self):
return imitate_pydoc(self.name)
def __repr__(self):
return '<%s: %s>' % (type(self).__name__, self.name)
def imitate_pydoc(string):
"""
It's not possible to get the pydoc's without starting the annoying pager
stuff.
"""
# str needed because of possible unicode stuff in py2k (pydoc doesn't work
# with unicode strings)
string = str(string)
h = pydoc.help
with common.ignored(KeyError):
# try to access symbols
string = h.symbols[string]
string, _, related = string.partition(' ')
get_target = lambda s: h.topics.get(s, h.keywords.get(s))
while isinstance(string, str):
string = get_target(string)
try:
# is a tuple now
label, related = string
except TypeError:
return ''
try:
return pydoc_topics.topics[label] if pydoc_topics else ''
except KeyError:
return ''