Source code for tvb.core.neotraits.view_model

# -*- coding: utf-8 -*-
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import uuid
import numpy
from datetime import datetime
from tvb.basic.neotraits.api import HasTraits, Attr
from tvb.basic.neotraits.ex import TraitAttributeError
from tvb.core.entities.generic_attributes import GenericAttributes

[docs] class ViewModel(HasTraits): operation_group_gid = Attr(field_type=uuid.UUID, required=False) ranges = Attr(str, required=False) range_values = Attr(str, required=False) is_metric_operation = Attr(bool, default=False) def __init__(self, **kwargs): super(ViewModel, self).__init__(**kwargs) self.create_date = self.generic_attributes = GenericAttributes()
[docs] def linked_has_traits(self): return HasTraits
[docs] class Str(Attr): def __init__(self, field_type=str, default=None, doc='', label='', required=True, final=False, choices=None): super(Str, self).__init__(field_type, default, doc, label, required, final, choices)
[docs] class DataTypeGidAttr(Attr): """ Keep a GID but also link the type of DataType it should point to """ def __init__(self, linked_datatype, field_type=uuid.UUID, filters=None, default=None, doc='', label='', required=True, final=False, choices=None): super(DataTypeGidAttr, self).__init__(field_type, default, doc, label, required, final, choices) self.linked_datatype = linked_datatype self.filters = filters def __set__(self, instance, value): if isinstance(value, str): try: value = uuid.UUID(value) except ValueError: raise TraitAttributeError("Given value cannot be used as UUID for field {}".format(self.field_name)) super(DataTypeGidAttr, self).__set__(instance, value)
[docs] class EquationAttr(Attr): """ # TODO: there are places where we need eq params as a nested form. Figure out a proper model """
[docs] def replace_nan_values(input_data): """ Replace NAN values with a given values""" is_any_value_nan = False if not numpy.isfinite(input_data).all(): for idx in range(len(input_data)): input_data[idx] = numpy.nan_to_num(input_data[idx]) is_any_value_nan = True return is_any_value_nan