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:param logger:
:param options:
:param conversion_finder:
:param is_dict_of_dicts:
:return:
""""""
# collect pep-484 information in the constructor to be able to understand what is required
constructor_args_types_and_opt = get_constructor_attributes_types(desired_type)
try:
# for each attribute, convert the types of its parsed values if required
dict_for_init = dict()
for attr_name, provided_attr_value in contents_dict.items():
# check if this attribute name is required by the constructor
if attr_name in constructor_args_types_and_opt.keys():
# check the theoretical type wanted by the constructor
attr_type_required = constructor_args_types_and_opt[attr_name][0]
# resolve forward references
attr_type_required = resolve_forward_ref(attr_type_required)
if not is_dict_of_dicts:
if is_valid_pep484_type_hint(attr_type_required):
# this will not fail if type information is not present;the attribute will only be used 'as is'
full_attr_name = get_pretty_type_str(desired_type) + '.' + attr_name
dict_for_init[attr_name] = ConversionFinder.try_convert_value(conversion_finder, full_attr_name,
provided_attr_value,
attr_type_required, logger,
options)
else:
warn(""Constructor for type <{t}> has no valid PEP484 Type hint for attribute {att}, trying to ""
""use the parsed value in the dict directly"".format(t=get_pretty_type_str(desired_type),
att=attr_name))
dict_for_init[attr_name] = provided_attr_value
else:
# in that mode, the attribute value itself is a dict, so the attribute needs to be built from that
# dict first
if isinstance(provided_attr_value, dict):
# recurse : try to build this attribute from the dictionary provided. We need to know the type
# for this otherwise we wont be able to call the constructor :)
if (attr_type_required is None) or (attr_type_required is Parameter.empty):
raise TypeInformationRequiredError.create_for_object_attributes(desired_type, attr_name,
attr_type_required)
elif not is_valid_pep484_type_hint(attr_type_required):
raise InvalidPEP484TypeHint.create_for_object_attributes(desired_type, attr_name,
attr_type_required)
else:
# we can build the attribute from the sub-dict
dict_for_init[attr_name] = dict_to_object(attr_type_required, provided_attr_value,
logger, options,
conversion_finder=conversion_finder)
else:
raise ValueError('Error while trying to build object of type ' + str(desired_type) + ' from a '
'dictionary of dictionaries. Entry \'' + attr_name + '\' is not a dictionary')
else:
if is_dict_of_dicts and attr_name is 'DEFAULT':
# -- tolerate but ignore - this is probably due to a configparser
# warning('Property name \'' + attr_name + '\' is not an attribute of the object constructor. <'
# + get_pretty_type_str(desired_type) + '> constructor attributes are : '
# + list(set(constructor_args_types.keys()) - {'self'}) + '. However it is named DEFAULT')
pass
else:
# the dictionary entry does not correspond to a valid attribute of the object
raise InvalidAttributeNameForConstructorError.create(desired_type,
list(set(constructor_args_types_and_opt.keys()) - {'self'}),
attr_name)
# create the object using its constructor
try:
return desired_type(**dict_for_init)
except Exception as e:
# Wrap into an Exception
raise ObjectInstantiationException.create(desired_type, dict_for_init, e)
except TypeError as e:
raise CaughtTypeErrorDuringInstantiation.create(desired_type, contents_dict, e)"
354,"def print_dict(dict_name, dict_value, logger: Logger = None):
""""""
Utility method to print a named dictionary
:param dict_name:
:param dict_value:
:return:
""""""
if logger is None:
print(dict_name + ' = ')
try:
from pprint import pprint
pprint(dict_value)
except:
print(dict_value)
else: