Merge pull request #11420 from ansible/argspec-path-and-refactor

Refactor the argspec type checking and add path as a type
pull/10084/head^2
Toshio Kuratomi 9 years ago
commit a5dfb35301

@ -351,9 +351,9 @@ class AnsibleModule(object):
self.check_mode = False
self.no_log = no_log
self.cleanup_files = []
self.aliases = {}
if add_file_common_args:
for k, v in FILE_COMMON_ARGUMENTS.iteritems():
if k not in self.argument_spec:
@ -366,7 +366,7 @@ class AnsibleModule(object):
self.params = self._load_params()
self._legal_inputs = ['_ansible_check_mode', '_ansible_no_log']
self.aliases = self._handle_aliases()
if check_invalid_arguments:
@ -380,6 +380,16 @@ class AnsibleModule(object):
self._set_defaults(pre=True)
self._CHECK_ARGUMENT_TYPES_DISPATCHER = {
'str': self._check_type_str,
'list': self._check_type_list,
'dict': self._check_type_dict,
'bool': self._check_type_bool,
'int': self._check_type_int,
'float': self._check_type_float,
'path': self._check_type_path,
}
if not bypass_checks:
self._check_required_arguments()
self._check_argument_values()
@ -1021,6 +1031,76 @@ class AnsibleModule(object):
return (str, e)
return str
def _check_type_str(self, value):
if isinstance(value, basestring):
return value
# Note: This could throw a unicode error if value's __str__() method
# returns non-ascii. Have to port utils.to_bytes() if that happens
return str(value)
def _check_type_list(self, value):
if isinstance(value, list):
return value
if isinstance(value, basestring):
return value.split(",")
elif isinstance(value, int) or isinstance(value, float):
return [ str(value) ]
raise TypeError('%s cannot be converted to a list' % type(value))
def _check_type_dict(self, value):
if isinstance(value, dict):
return value
if isinstance(value, basestring):
if value.startswith("{"):
try:
return json.loads(value)
except:
(result, exc) = self.safe_eval(value, dict(), include_exceptions=True)
if exc is not None:
raise TypeError('unable to evaluate string as dictionary')
return result
elif '=' in value:
return dict([x.strip().split("=", 1) for x in value.split(",")])
else:
raise TypeError("dictionary requested, could not parse JSON or key=value")
raise TypeError('%s cannot be converted to a dict' % type(value))
def _check_type_bool(self, value):
if isinstance(value, bool):
return value
if isinstance(value, basestring):
return self.boolean(value)
raise TypeError('%s cannot be converted to a bool' % type(value))
def _check_type_int(self, value):
if isinstance(value, int):
return value
if isinstance(value, basestring):
return int(value)
raise TypeError('%s cannot be converted to an int' % type(value))
def _check_type_float(self, value):
if isinstance(value, float):
return value
if isinstance(value, basestring):
return float(value)
raise TypeError('%s cannot be converted to a float' % type(value))
def _check_type_path(self, value):
value = self._check_type_str(value)
return os.path.expanduser(os.path.expandvars(value))
def _check_argument_types(self):
''' ensure all arguments have the requested type '''
for (k, v) in self.argument_spec.iteritems():
@ -1034,59 +1114,13 @@ class AnsibleModule(object):
is_invalid = False
try:
if wanted == 'str':
if not isinstance(value, basestring):
self.params[k] = str(value)
elif wanted == 'list':
if not isinstance(value, list):
if isinstance(value, basestring):
self.params[k] = value.split(",")
elif isinstance(value, int) or isinstance(value, float):
self.params[k] = [ str(value) ]
else:
is_invalid = True
elif wanted == 'dict':
if not isinstance(value, dict):
if isinstance(value, basestring):
if value.startswith("{"):
try:
self.params[k] = json.loads(value)
except:
(result, exc) = self.safe_eval(value, dict(), include_exceptions=True)
if exc is not None:
self.fail_json(msg="unable to evaluate dictionary for %s" % k)
self.params[k] = result
elif '=' in value:
self.params[k] = dict([x.strip().split("=", 1) for x in value.split(",")])
else:
self.fail_json(msg="dictionary requested, could not parse JSON or key=value")
else:
is_invalid = True
elif wanted == 'bool':
if not isinstance(value, bool):
if isinstance(value, basestring):
self.params[k] = self.boolean(value)
else:
is_invalid = True
elif wanted == 'int':
if not isinstance(value, int):
if isinstance(value, basestring):
self.params[k] = int(value)
else:
is_invalid = True
elif wanted == 'float':
if not isinstance(value, float):
if isinstance(value, basestring):
self.params[k] = float(value)
else:
is_invalid = True
else:
self.fail_json(msg="implementation error: unknown type %s requested for %s" % (wanted, k))
if is_invalid:
self.fail_json(msg="argument %s is of invalid type: %s, required: %s" % (k, type(value), wanted))
except ValueError:
self.fail_json(msg="value of argument %s is not of type %s and we were unable to automatically convert" % (k, wanted))
type_checker = self._CHECK_ARGUMENT_TYPES_DISPATCHER[wanted]
except KeyError:
self.fail_json(msg="implementation error: unknown type %s requested for %s" % (wanted, k))
try:
self.params[k] = type_checker(value)
except (TypeError, ValueError):
self.fail_json(msg="argument %s is of type %s and we were unable to convert to %s" % (k, type(value), wanted))
def _set_defaults(self, pre=True):
for (k,v) in self.argument_spec.iteritems():

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