def function_arguments(fun):
try:
args = robjects.r('do.call(argsAnywhere, list("%s"))' % fun)
args = QString(str(args))
if args.contains("function"):
regexp = QRegExp(r"function\s\(")
start = regexp.lastIndexIn(args)
regexp = QRegExp(r"\)")
end = regexp.lastIndexIn(args)
args = args[start:end+1].replace("function ", "") # removed fun
else:
args = args.replace("\n\n", "").remove("NULL")
except Exception: # if something goes wrong, ignore it!
args = QString()
return args
def textUnderCursor(self):
"""
Return current word at cursor position
"""
line, index = self.getCursorPosition()
text = self.text(line)
wc = self.wordCharacters()
if wc is None:
regexp = QRegExp('[^\w_]')
else:
regexp = QRegExp('[^{0}]'.format(re.escape(wc)))
start = regexp.lastIndexIn(text, index) + 1
end = regexp.indexIn(text, index)
if start == end + 1 and index > 0:
# we are on a word boundary, try again
start = regexp.lastIndexIn(text, index - 1) + 1
if start == -1: start = 0
if end == -1: end = len(text)
if end > start:
word = text[start:end]
else:
word = ''
return word
