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#Author: Shu Shi
#emaiL: shushi@research.att.com
import ast
import copy, logging
from toscalib.templates.constant import *
from toscalib.types.constraints import PropertyConstraints
from toscalib.types.entry_schema import EntrySchema
BUILT_IN_TYPES= (TYP_BOOL, TYP_INT, TYP_FLT, TYP_STR, TYP_MAP, TYP_LIST, TYP_VER, TYP_SIZE, TYP_TIME, TYP_FREQ, TYP_ANY) = \
('boolean', 'integer', 'float', 'string', 'map', 'list', 'version', 'scalar-unit.size', 'scalar-unit.time', 'scalar-unit.frequency', 'output')
def _is_integer(value):
try:
int(value)
return True
except ValueError:
return False
def _is_float(value):
try:
float(value)
return True;
except ValueError:
return False
def _is_true(value):
if value is True:
return True
elif value in TRUE_VALUES:
return True
else:
return False
class DataType:
def __init__(self, name, content=None):
self.name = name
self.entry = EntrySchema(TYP_ANY)
self.contraints = None
self.used = False
self.parent_type = None
if content is None:
self.built_in = True
self.type = self.name
self.raw_content = None
self.parsed = False
else:
self.built_in = False
self.type = None
self.raw_content = content
self.parsed = False
@classmethod
def _built_in_types(cls):
return BUILT_IN_TYPES
def _parse_content(self, db):
if self.parsed is True:
return
self.properties = {}
if self.raw_content is None:
self.parsed = True
self.entry._parse_content(db)
return
# if self.raw_content.has_key(NOD_DERIVED_FROM):
if NOD_DERIVED_FROM in self.raw_content:
self.parent_type = self.raw_content[NOD_DERIVED_FROM]
# if db.DATA_TYPES.has_key(self.parent_type):
if self.parent_type in db.DATA_TYPES:
self.parent = db.DATA_TYPES[self.parent_type]
self.parent._parse_content(db)
self.type = self.parent.type
self.properties = copy.deepcopy(self.parent.properties)
elif self.parent_type in BUILT_IN_TYPES:
self.type = self.parent_type
else:
self.type = None
logging.warning( 'Unrecognized data type: '+ self.parent_type)
else:
self.type = TYP_MAP
# if self.raw_content.has_key(NOD_PROPERTIES):
if NOD_PROPERTIES in self.raw_content:
prop_sec = self.raw_content[NOD_PROPERTIES]
for prop_name in prop_sec.keys():
from toscalib.types.property import PropertyDefinition
self.properties[prop_name] = PropertyDefinition(prop_name, prop_sec[prop_name])
self.properties[prop_name]._parse_content(db)
# if self.raw_content.has_key(PROP_CONSTRAINT):
if PROP_CONSTRAINT in self.raw_content:
self.constraints = PropertyConstraints(self.raw_content[PROP_CONSTRAINT])
self.constraints._parse_content()
else:
self.constraints = None
self.entry._parse_content(db)
self.parsed = True
pass
def _customozed_format_value(self, value):
if self.type == TYP_INT:
if _is_integer(value):
return int(value)
else:
return None
if self.type == TYP_FLT:
if _is_float(value):
return float(value)
else:
return None
if self.type == TYP_BOOL:
if _is_true(value):
return True
else:
return False
elif self.type == TYP_STR:
return value
elif self.type == TYP_LIST:
return self._parse_string_to_list(value)
elif self.type == TYP_MAP:
return self._parse_string_to_map(value, self.properties)
else:
#TODO add support for version, scalar-unit
return value
def _format_value(self, value):
if self.built_in is True:
if self.type == TYP_INT:
if _is_integer(value):
return int(value)
else:
return None
if self.type == TYP_BOOL:
if _is_true(value):
return True
else:
return False
elif self.type == TYP_STR:
return str(value)
elif self.type == TYP_LIST:
return self._parse_string_to_list(value)
elif self.type == TYP_MAP:
return self._parse_string_to_map(value)
elif self.type == TYP_ANY:
if type(value) is int:
self.type = TYP_INT
return value
if type(value) is bool:
self.type = TYP_BOOL
return value
if type(value) is list:
self.type = TYP_LIST
self.entry = EntrySchema(TYP_ANY)
self.entry._parse_content(None)
return self._parse_string_to_list(value)
if type(value) is dict:
self.type = TYP_MAP
self.entry = EntrySchema(TYP_ANY)
self.entry._parse_content(None)
return self._parse_string_to_map(value)
self.type = TYP_STR
return str(value)
else:
#TODO add support for version, scalar-unit
return value
else:
return self._customozed_format_value(value)
def _update_prefix(self, prefix, value):
if self.type == TYP_LIST:
for value_item in value:
value_item._update_prefix(prefix)
elif self.type == TYP_MAP:
for value_item in iter(value.values()):
value_item._update_prefix(prefix)
else:
return
def _update_function_reference(self, temp, value, self_node = None, self_item= None):
if self.type == TYP_LIST:
for value_item in value:
value_item._update_function_reference(temp, self_node, self_item)
elif self.type == TYP_MAP:
for value_item in iter(value.values()):
value_item._update_function_reference(temp, self_node, self_item)
else:
return
def _get_value(self, value, tags=''):
from toscalib.templates.value import VALID_VALUE, FUNCTION, NULL
if self.type == TYP_LIST:
out_str = []
real_value = VALID_VALUE
for value_item in value:
out_item, real_item = value_item._get_value(tags)
if real_item is NULL:
continue
out_str.append(out_item)
if real_item is FUNCTION:
real_value = real_item
return out_str, real_value
elif self.type == TYP_MAP:
out_str = {}
real_value = VALID_VALUE
for value_key in value.keys():
temp_out, real_item = value[value_key]._get_value(tags)
if real_item is NULL:
continue
out_str[value_key] = temp_out
if real_item is FUNCTION:
real_value = real_item
return out_str, real_value
else:
return value, VALID_VALUE
def _parse_string_to_list(self, value):
try:
list_value = ast.literal_eval(str(value))
if type(list_value) is list:
out_list = []
for list_item in list_value:
from toscalib.templates.value import Value
out_list.append(Value(self.entry.type_obj, list_item))
return out_list
else:
logging.debug( 'List formatted string required for list type: ')
logging.debug('Value is 1: '+ value)
return None
except ValueError:
logging.error( 'List formatted string required for list type: ')
logging.error( 'Value is 2: '+ value)
return None
def _parse_string_to_map(self, value, property_set = None):
try:
map_value = ast.literal_eval(str(value))
if type(map_value) is dict:
out_map = {}
from toscalib.templates.value import Value
if property_set is None:
for key_item in map_value.keys():
out_map[key_item] = Value(self.entry.type_obj, map_value[key_item])
return out_map
else:
for key_item in property_set.keys():
if key_item in map_value.keys():
out_map[key_item] = Value(property_set[key_item].type_obj, map_value[key_item])
return out_map
else:
logging.debug( 'Map formatted string required for map type: ')
logging.debug( 'Value is 1: '+ value)
return None
except ValueError:
logging.error( 'Map formatted string required for map type: ')
logging.error( 'Value is 2: '+ value)
return None
def _create_rawcontent(self):
self.raw_content= {}
if self.parent_type is not None:
self.raw_content[YMO_NOD_DERIVED_FROM] = self.parent_type
prop_sec = {}
for prop_key in self.properties.keys():
if self.properties[prop_key].raw_content is None:
self.properties[prop_key]._create_rawcontent()
prop_sec[prop_key] = self.properties[prop_key].raw_content
if len(prop_sec) > 0:
self.raw_content[YMO_NOD_PROPERTIES] = prop_sec
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