It seems I cannot parse the rename operator from string. The rename-statement to be parsed is a snippet from the documentation.
radb.parse.one_statement_from_string('\rename_{s2} (Serves);')
Traceback (most recent call last):
File "/usr/lib/python3.6/site-packages/antlr4/Lexer.py", line 128, in nextToken
ttype = self._interp.match(self._input, self._mode)
File "/usr/lib/python3.6/site-packages/antlr4/atn/LexerATNSimulator.py", line 99, in match
return self.execATN(input, dfa.s0)
File "/usr/lib/python3.6/site-packages/antlr4/atn/LexerATNSimulator.py", line 191, in execATN
return self.failOrAccept(self.prevAccept, input, s.configs, t)
File "/usr/lib/python3.6/site-packages/antlr4/atn/LexerATNSimulator.py", line 250, in failOrAccept
raise LexerNoViableAltException(self.recog, input, self.startIndex, reach)
antlr4.error.Errors.LexerNoViableAltException: LexerNoViableAltException('{')
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python3.6/site-packages/radb/parse.py", line 252, in one_statement_from_string
tree = parser.statement()
File "/usr/lib/python3.6/site-packages/radb/RAParser.py", line 1673, in statement
la_ = self._interp.adaptivePredict(self._input,18,self._ctx)
File "/usr/lib/python3.6/site-packages/antlr4/atn/ParserATNSimulator.py", line 342, in adaptivePredict
alt = self.execATN(dfa, s0, input, index, outerContext)
File "/usr/lib/python3.6/site-packages/antlr4/atn/ParserATNSimulator.py", line 465, in execATN
input.consume()
File "/usr/lib/python3.6/site-packages/antlr4/BufferedTokenStream.py", line 99, in consume
if self.sync(self.index + 1):
File "/usr/lib/python3.6/site-packages/antlr4/BufferedTokenStream.py", line 111, in sync
fetched = self.fetch(n)
File "/usr/lib/python3.6/site-packages/antlr4/BufferedTokenStream.py", line 123, in fetch
t = self.tokenSource.nextToken()
File "/usr/lib/python3.6/site-packages/antlr4/Lexer.py", line 130, in nextToken
self.notifyListeners(e) # report error
File "/usr/lib/python3.6/site-packages/antlr4/Lexer.py", line 285, in notifyListeners
listener.syntaxError(self, None, self._tokenStartLine, self._tokenStartColumn, msg, e)
File "/usr/lib/python3.6/site-packages/antlr4/error/ErrorListener.py", line 60, in syntaxError
delegate.syntaxError(recognizer, offendingSymbol, line, column, msg, e)
File "/usr/lib/python3.6/site-packages/radb/parse.py", line 75, in syntaxError
raise ParsingError('line {}:{} {}'.format(line, column, msg))
radb.parse.ParsingError: line 1:7 token recognition error at: '{'