def build_list(*args):
res = []
for arg in args:
if isinstance(arg, types.GeneratorType):
arg = limit(arg)
res.append(arg)
return res
def eval(self, expression, data=None, context=None):
res = yaql.parse(expression).evaluate(data=data,
context=context or self.context)
if isinstance(res, types.GeneratorType):
return limit(res)
else:
return res
def main(context, show_tokens):
print("Yet Another Query Language - command-line query tool")
print("Version {0}".format(version))
print("Copyright (c) 2014 Mirantis, Inc")
print("")
if not context.get_data():
print("No data loaded into context ")
print("Type '@load data-file.json' to load data")
print("")
readline.parse_and_bind('')
comm = True
while comm != 'exit':
try:
comm = raw_input(PROMPT)
except EOFError:
return
if not comm:
continue
if comm[0] == '@':
func_name, args = parse_service_command(comm)
if func_name not in SERVICE_FUNCTIONS:
print("Unknown command " + func_name)
else:
SERVICE_FUNCTIONS[func_name](args, context)
continue
try:
if show_tokens:
lexer.lexer.input(comm)
tokens = []
while True:
tok = lexer.lexer.token()
if not tok:
break
tokens.append(tok)
print("Tokens: " + str(tokens))
expr = yaql.parse(comm)
except YaqlParsingException as ex:
if ex.position:
pointer_string = (" " * (ex.position + len(PROMPT))) + '^'
print(pointer_string)
print(ex.message)
continue
try:
res = expr.evaluate(context=Context(context))
if isinstance(res, types.GeneratorType):
res = limit(res)
print(json.dumps(res, indent=4))
except Exception as ex:
print("Execution exception:")
if hasattr(ex, 'message'):
print(ex.message)
else:
print("Unknown")
def _list(self):
return limit(self)