You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
4.0 KiB
123 lines
4.0 KiB
from jmespath.compat import with_str_method
|
|
|
|
|
|
class JMESPathError(ValueError):
|
|
pass
|
|
|
|
|
|
@with_str_method
|
|
class ParseError(JMESPathError):
|
|
_ERROR_MESSAGE = 'Invalid jmespath expression'
|
|
def __init__(self, lex_position, token_value, token_type,
|
|
msg=_ERROR_MESSAGE):
|
|
super(ParseError, self).__init__(lex_position, token_value, token_type)
|
|
self.lex_position = lex_position
|
|
self.token_value = token_value
|
|
self.token_type = token_type.upper()
|
|
self.msg = msg
|
|
# Whatever catches the ParseError can fill in the full expression
|
|
self.expression = None
|
|
|
|
def __str__(self):
|
|
# self.lex_position +1 to account for the starting double quote char.
|
|
underline = ' ' * (self.lex_position + 1) + '^'
|
|
return (
|
|
'%s: Parse error at column %s, '
|
|
'token "%s" (%s), for expression:\n"%s"\n%s' % (
|
|
self.msg, self.lex_position, self.token_value, self.token_type,
|
|
self.expression, underline))
|
|
|
|
|
|
@with_str_method
|
|
class IncompleteExpressionError(ParseError):
|
|
def set_expression(self, expression):
|
|
self.expression = expression
|
|
self.lex_position = len(expression)
|
|
self.token_type = None
|
|
self.token_value = None
|
|
|
|
def __str__(self):
|
|
# self.lex_position +1 to account for the starting double quote char.
|
|
underline = ' ' * (self.lex_position + 1) + '^'
|
|
return (
|
|
'Invalid jmespath expression: Incomplete expression:\n'
|
|
'"%s"\n%s' % (self.expression, underline))
|
|
|
|
|
|
@with_str_method
|
|
class LexerError(ParseError):
|
|
def __init__(self, lexer_position, lexer_value, message, expression=None):
|
|
self.lexer_position = lexer_position
|
|
self.lexer_value = lexer_value
|
|
self.message = message
|
|
super(LexerError, self).__init__(lexer_position,
|
|
lexer_value,
|
|
message)
|
|
# Whatever catches LexerError can set this.
|
|
self.expression = expression
|
|
|
|
def __str__(self):
|
|
underline = ' ' * self.lexer_position + '^'
|
|
return 'Bad jmespath expression: %s:\n%s\n%s' % (
|
|
self.message, self.expression, underline)
|
|
|
|
|
|
@with_str_method
|
|
class ArityError(ParseError):
|
|
def __init__(self, expected, actual, name):
|
|
self.expected_arity = expected
|
|
self.actual_arity = actual
|
|
self.function_name = name
|
|
self.expression = None
|
|
|
|
def __str__(self):
|
|
return ("Expected %s %s for function %s(), "
|
|
"received %s" % (
|
|
self.expected_arity,
|
|
self._pluralize('argument', self.expected_arity),
|
|
self.function_name,
|
|
self.actual_arity))
|
|
|
|
def _pluralize(self, word, count):
|
|
if count == 1:
|
|
return word
|
|
else:
|
|
return word + 's'
|
|
|
|
|
|
@with_str_method
|
|
class VariadictArityError(ArityError):
|
|
def __str__(self):
|
|
return ("Expected at least %s %s for function %s(), "
|
|
"received %s" % (
|
|
self.expected_arity,
|
|
self._pluralize('argument', self.expected_arity),
|
|
self.function_name,
|
|
self.actual_arity))
|
|
|
|
|
|
@with_str_method
|
|
class JMESPathTypeError(JMESPathError):
|
|
def __init__(self, function_name, current_value, actual_type,
|
|
expected_types):
|
|
self.function_name = function_name
|
|
self.current_value = current_value
|
|
self.actual_type = actual_type
|
|
self.expected_types = expected_types
|
|
|
|
def __str__(self):
|
|
return ('In function %s(), invalid type for value: %s, '
|
|
'expected one of: %s, received: "%s"' % (
|
|
self.function_name, self.current_value,
|
|
self.expected_types, self.actual_type))
|
|
|
|
|
|
class EmptyExpressionError(JMESPathError):
|
|
def __init__(self):
|
|
super(EmptyExpressionError, self).__init__(
|
|
"Invalid JMESPath expression: cannot be empty.")
|
|
|
|
|
|
class UnknownFunctionError(JMESPathError):
|
|
pass
|