87 lines
1.9 KiB
Python
87 lines
1.9 KiB
Python
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import keyword
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from _compatibility import is_py3k
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import builtin
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import pydoc
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try:
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from pydoc_data import topics as pydoc_topics
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except ImportError:
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# Python 2.6
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try:
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import pydoc_topics
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except ImportError:
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# Python 2.5
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pydoc_topics = None
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if is_py3k:
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keys = keyword.kwlist
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else:
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keys = keyword.kwlist + ['None', 'False', 'True']
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def get_keywords(string='', pos=(0, 0), all=False):
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if all:
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return set([Keyword(k, pos) for k in keys])
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if string in keys:
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return set([Keyword(string, pos)])
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return set()
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def get_operator(string, pos):
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return Keyword(string, pos)
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class Keyword(object):
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def __init__(self, name, pos):
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self.name = name
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self.start_pos = pos
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self.parent = builtin.Builtin.scope
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def get_parent_until(self):
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return self.parent
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@property
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def names(self):
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""" For a `parsing.Name` like comparision """
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return [self.name]
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@property
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def docstr(self):
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return imitate_pydoc(self.name)
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def __repr__(self):
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return '<%s: %s>' % (type(self).__name__, self.name)
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def imitate_pydoc(string):
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"""
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It's not possible to get the pydoc's without starting the annoying pager
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stuff.
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"""
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# str needed because of possible unicode stuff in py2k (pydoc doesn't work
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# with unicode strings)
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string = str(string)
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h = pydoc.help
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try:
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# try to access symbols
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string = h.symbols[string]
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string, _, related = string.partition(' ')
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except KeyError:
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pass
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get_target = lambda s: h.topics.get(s, h.keywords.get(s))
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while isinstance(string, str):
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string = get_target(string)
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try:
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# is a tuple now
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label, related = string
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except TypeError:
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return ''
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try:
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return pydoc_topics.topics[label] if pydoc_topics else ''
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except KeyError:
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return ''
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