def _BUILD_init(cls) -> Callable[[], None]:
kwonlyargs = ['*', '__strict__=True', '__faust=None', '**kwargs']
fields = cls._options.fieldpos
optional = cls._options.optionalset
models = cls._options.models
converse = cls._options.converse
initfield = cls._options.initfield = {}
has_post_init = hasattr(cls, '__post_init__')
required = []
opts = []
setters = []
for field in fields.values():
model = models.get(field)
conv = converse.get(field)
fieldval = f'{field}'
if model is not None:
initfield[field] = _field_callback(model, _to_model)
assert initfield[field] is not None
fieldval = f'self._init_field("{field}", {field})'
if conv is not None:
initfield[field] = _field_callback(*conv)
assert initfield[field] is not None
fieldval = f'self._init_field("{field}", {field})'
if field in optional:
opts.append(f'{field}=None')
setters.extend([
f'if {field} is not None:',
f' self.{field} = {fieldval}',
f'else:',
f' self.{field} = self._options.defaults["{field}"]',
])
else:
required.append(field)
setters.append(f'self.{field} = {fieldval}')
rest = [
'if kwargs and __strict__:',
' from mode.utils.text import pluralize',
' message = "{} got unexpected {}: {}".format(',
' self.__class__.__name__,',
' pluralize(kwargs.__len__(), "argument"),',
' ", ".join(map(str, sorted(kwargs))))',
' raise TypeError(message)',
'self.__dict__.update(kwargs)',
]
if has_post_init:
rest.extend([
'self.__post_init__()',
])
return codegen.InitMethod(
required + opts + kwonlyargs,
setters + rest,
globals=globals(),
locals=locals(),
)
def _BUILD_init(cls) -> Callable[[], None]:
kwonlyargs = ['*', '__strict__=True', '__faust=None', '**kwargs']
options = cls._options
fields = options.fields
field_positions = options.fieldpos
optional = options.optionalset
needs_validation = options.validation
descriptors = options.descriptors
has_post_init = hasattr(cls, '__post_init__')
required = []
opts = []
setters = []
for field in field_positions.values():
fieldval = (f'{field} if __strict__ '
f'else self._init_field("{field}", {field})')
if field in optional:
opts.append(f'{field}=None')
setters.extend([
f'if {field} is not None:',
f' self.{field} = {fieldval}',
f'else:',
f' self.{field} = self._options.defaults["{field}"]',
])
else:
required.append(field)
setters.append(f'self.{field} = {fieldval}')
rest = [
'if kwargs and __strict__:',
' from mode.utils.text import pluralize',
' message = "{} got unexpected {}: {}".format(',
' self.__class__.__name__,',
' pluralize(kwargs.__len__(), "argument"),',
' ", ".join(map(str, sorted(kwargs))))',
' raise TypeError(message)',
'self.__dict__.update(kwargs)',
]
if has_post_init:
rest.extend([
'self.__post_init__()',
])
if needs_validation:
rest.extend([
'self.validate_or_raise()',
])
return codegen.InitMethod(
required + opts + kwonlyargs,
setters + rest,
globals=globals(),
locals=locals(),
)
def _BUILD_init(cls) -> Callable[[], None]:
kwonlyargs = ['*', '__strict__=True', '__faust=None', '**kwargs']
options = cls._options
fields = options.fields
field_positions = options.fieldpos
optional = options.optionalset
needs_validation = options.validation
models = options.models
field_coerce = options.field_coerce
initfield = options.initfield = {}
descriptors = options.descriptors
has_post_init = hasattr(cls, '__post_init__')
required = []
opts = []
setters = []
for field in field_positions.values():
model = models.get(field)
coerce = field_coerce.get(field)
fieldval = f'{field}'
if model is not None:
initfield[field] = _field_callback(model, _to_model)
assert initfield[field] is not None
fieldval = f'self._init_field("{field}", {field})'
else:
field_type = fields[field]
descr = options.descriptors[field]
initfield[field] = _field_callback(field_type,
_using_descriptor,
descr=descr)
fieldval = f'self._init_field("{field}", {field})'
if coerce is not None:
coerce_type, coerce_handler = coerce
# Model reconstruction require two-arguments: typ, val.
# Regular coercion callbacks just takes one argument, so
# need to create an intermediate function to fix that.
initfield[field] = _field_callback(
coerce_type, partial(cls._init_maybe_coerce,
coerce_handler))
assert initfield[field] is not None
fieldval = f'self._init_field("{field}", {field})'
if field in optional:
opts.append(f'{field}=None')
setters.extend([
f'if {field} is not None:',
f' self.{field} = {fieldval}',
f'else:',
f' self.{field} = self._options.defaults["{field}"]',
])
else:
required.append(field)
setters.append(f'self.{field} = {fieldval}')
rest = [
'if kwargs and __strict__:',
' from mode.utils.text import pluralize',
' message = "{} got unexpected {}: {}".format(',
' self.__class__.__name__,',
' pluralize(kwargs.__len__(), "argument"),',
' ", ".join(map(str, sorted(kwargs))))',
' raise TypeError(message)',
'self.__dict__.update(kwargs)',
]
if has_post_init:
rest.extend([
'self.__post_init__()',
])
if needs_validation:
rest.extend([
'self.validate_or_raise()',
])
return codegen.InitMethod(
required + opts + kwonlyargs,
setters + rest,
globals=globals(),
locals=locals(),
)
def _BUILD_init(cls) -> Callable[[], None]:
kwonlyargs = ['*', '__strict__=True', '__faust=None', '**kwargs']
options = cls._options
field_positions = options.fieldpos
optional = options.optionalset
needs_validation = options.validation
descriptors = options.descriptors
has_post_init = hasattr(cls, '__post_init__')
required = []
opts = []
preamble = [
'self.__evaluated_fields__ = set()',
'__defaults = self._options.defaults',
]
_globals = {}
_closures = {}
def generate_setter(field: str, getval: str, out: List[str]) -> bool:
"""Generate code that sets attribute for field in class.
Arguments:
field: Name of field.
getval: Source code that initializes value for field,
can be the field name itself for no inititalization
or for example: ``f"self._prepare_value({field})"``.
out: Destination list where new source code lines are added.
"""
if field in optional:
out.extend([
f' if {field} is not None:',
f' self.{field} = {getval}',
f' else:',
f' self.{field} = __defaults["{field}"]',
])
return True
else:
out.append(f' self.{field} = {getval}')
return False
def generate_prepare_value(field: str) -> str:
descriptor = descriptors[field]
if descriptor.lazy_coercion:
return field # no initialization
else:
# Call descriptor.to_python
local_field_init_name = f'_{field}_init_'
global_field_init_name = f'__{field}_init'
_globals[global_field_init_name] = descriptor.to_python
_closures[local_field_init_name] = global_field_init_name
return f'{local_field_init_name}({field})'
data_setters = ['if __strict__:']
for field in field_positions.values():
is_optional = generate_setter(field, field, data_setters)
if is_optional:
opts.append(f'{field}=None')
else:
required.append(field)
data_rest = [
' if kwargs:',
' from mode.utils.text import pluralize',
' message = "{} got unexpected {}: {}".format(',
' self.__class__.__name__,',
' pluralize(kwargs.__len__(), "argument"),',
' ", ".join(map(str, sorted(kwargs))))',
' raise TypeError(message)',
]
if field_positions:
init_setters = ['else:']
for field in field_positions.values():
fieldval = generate_prepare_value(field)
generate_setter(field, fieldval, init_setters)
else:
# if there are no fields we cannot generate
# the lines aboe as there will no be no code
# in the else block.
init_setters = []
init_rest = ['self.__dict__.update(kwargs)']
if has_post_init:
init_rest.extend([
'self.__post_init__()',
])
if needs_validation:
init_rest.extend([
'self.validate_or_raise()',
])
if _closures:
source = codegen.build_closure_source(
name='__init__',
args=['self'] + required + opts + kwonlyargs,
closures=_closures,
body=(preamble + data_setters + data_rest + init_setters +
init_rest),
)
return codegen.build_closure(
'__outer__',
source,
globals=_globals,
locals={},
)
else:
return codegen.InitMethod(
required + opts + kwonlyargs,
preamble + data_setters + data_rest + init_setters + init_rest,
globals=_globals,
locals={},
)
