def setup_generation_helpers(neuron): """ Returns a standard namespace with often required functionality. :param neuron: a single neuron instance :type neuron: ASTNeuron :return: a map from name to functionality. :rtype: dict """ gsl_converter = GSLReferenceConverter() gsl_printer = LegacyExpressionPrinter(gsl_converter) # helper classes and objects converter = NESTReferenceConverter(False) legacy_pretty_printer = LegacyExpressionPrinter(converter) namespace = dict() namespace['neuronName'] = neuron.get_name() namespace['neuron'] = neuron namespace['moduleName'] = FrontendConfiguration.get_module_name() namespace['printer'] = NestPrinter(legacy_pretty_printer) namespace['assignments'] = NestAssignmentsHelper() namespace['names'] = NestNamesConverter() namespace['declarations'] = NestDeclarationsHelper() namespace['utils'] = ASTUtils() namespace['idemPrinter'] = LegacyExpressionPrinter() namespace['outputEvent'] = namespace['printer'].print_output_event(neuron.get_body()) namespace['is_spike_input'] = ASTUtils.is_spike_input(neuron.get_body()) namespace['is_current_input'] = ASTUtils.is_current_input(neuron.get_body()) namespace['odeTransformer'] = OdeTransformer() namespace['printerGSL'] = gsl_printer namespace['now'] = datetime.datetime.utcnow() define_solver_type(neuron, namespace) return namespace
def define_solver_type(neuron, namespace): # type: (ASTNeuron, dict) -> None """ For a handed over neuron this method enriches the namespace by methods which are used to solve odes. :param namespace: a single namespace dict. :param neuron: a single neuron """ namespace['useGSL'] = False if neuron.get_equations_block() is not None and len(neuron.get_equations_block().get_declarations()) > 0: if (not is_functional_shape_present(neuron.get_equations_block().get_ode_shapes())) or \ len(neuron.get_equations_block().get_ode_equations()) > 1: namespace['names'] = GSLNamesConverter() namespace['useGSL'] = True converter = NESTReferenceConverter(True) legacy_pretty_printer = LegacyExpressionPrinter(converter) namespace['printer'] = NestPrinter(legacy_pretty_printer) return
def setup_generation_helpers(self, neuron): """ Returns a standard namespace with often required functionality. :param neuron: a single neuron instance :type neuron: ASTNeuron :return: a map from name to functionality. :rtype: dict """ gsl_converter = GSLReferenceConverter() gsl_printer = LegacyExpressionPrinter(gsl_converter) # helper classes and objects converter = NESTReferenceConverter(False) legacy_pretty_printer = LegacyExpressionPrinter(converter) namespace = dict() namespace['neuronName'] = neuron.get_name() namespace['neuron'] = neuron namespace['moduleName'] = FrontendConfiguration.get_module_name() namespace['printer'] = NestPrinter(legacy_pretty_printer) namespace['assignments'] = NestAssignmentsHelper() namespace['names'] = NestNamesConverter() namespace['declarations'] = NestDeclarationsHelper() namespace['utils'] = ASTUtils() namespace['idemPrinter'] = LegacyExpressionPrinter() namespace['outputEvent'] = namespace['printer'].print_output_event(neuron.get_body()) namespace['is_spike_input'] = ASTUtils.is_spike_input(neuron.get_body()) namespace['is_current_input'] = ASTUtils.is_current_input(neuron.get_body()) namespace['odeTransformer'] = OdeTransformer() namespace['printerGSL'] = gsl_printer namespace['now'] = datetime.datetime.utcnow() namespace['tracing'] = FrontendConfiguration.is_dev namespace['PredefinedUnits'] = pynestml.symbols.predefined_units.PredefinedUnits namespace['UnitTypeSymbol'] = pynestml.symbols.unit_type_symbol.UnitTypeSymbol rng_visitor = ASTRandomNumberGeneratorVisitor() neuron.accept(rng_visitor) namespace['norm_rng'] = rng_visitor._norm_rng_is_used self.define_solver_type(neuron, namespace) return namespace
def convert_encapsulated(self): return NESTReferenceConverter.convert_encapsulated()
def convert_bit_operator(self, op): return NESTReferenceConverter.convert_bit_operator(op)
def convert_comparison_operator(self, op): return NESTReferenceConverter.convert_comparison_operator(op)
def convert_logical_operator(self, op): return NESTReferenceConverter.convert_logical_operator(op)
def convert_logical_not(self): return NESTReferenceConverter.convert_logical_not()
def setup_generation_helpers(self, neuron: ASTNeuron) -> Dict: """ Returns a standard namespace with often required functionality. :param neuron: a single neuron instance :type neuron: ASTNeuron :return: a map from name to functionality. :rtype: dict """ gsl_converter = GSLReferenceConverter() gsl_printer = UnitlessExpressionPrinter(gsl_converter) # helper classes and objects converter = NESTReferenceConverter(False) unitless_pretty_printer = UnitlessExpressionPrinter(converter) namespace = dict() namespace['neuronName'] = neuron.get_name() namespace['neuron'] = neuron namespace['moduleName'] = FrontendConfiguration.get_module_name() namespace['printer'] = NestPrinter(unitless_pretty_printer) namespace['assignments'] = NestAssignmentsHelper() namespace['names'] = NestNamesConverter() namespace['declarations'] = NestDeclarationsHelper() namespace['utils'] = ASTUtils() namespace['idemPrinter'] = UnitlessExpressionPrinter() namespace['outputEvent'] = namespace['printer'].print_output_event( neuron.get_body()) namespace['is_spike_input'] = ASTUtils.is_spike_input( neuron.get_body()) namespace['is_current_input'] = ASTUtils.is_current_input( neuron.get_body()) namespace['odeTransformer'] = OdeTransformer() namespace['printerGSL'] = gsl_printer namespace['now'] = datetime.datetime.utcnow() namespace['tracing'] = FrontendConfiguration.is_dev namespace[ 'PredefinedUnits'] = pynestml.symbols.predefined_units.PredefinedUnits namespace[ 'UnitTypeSymbol'] = pynestml.symbols.unit_type_symbol.UnitTypeSymbol namespace['initial_values'] = {} namespace['uses_analytic_solver'] = neuron.get_name() in self.analytic_solver.keys() \ and self.analytic_solver[neuron.get_name()] is not None if namespace['uses_analytic_solver']: namespace['analytic_state_variables'] = self.analytic_solver[ neuron.get_name()]["state_variables"] namespace['analytic_variable_symbols'] = { sym: neuron.get_equations_block().get_scope().resolve_to_symbol( sym, SymbolKind.VARIABLE) for sym in namespace['analytic_state_variables'] } namespace['update_expressions'] = {} for sym, expr in self.analytic_solver[ neuron.get_name()]["initial_values"].items(): namespace['initial_values'][sym] = expr for sym in namespace['analytic_state_variables']: expr_str = self.analytic_solver[ neuron.get_name()]["update_expressions"][sym] expr_ast = ModelParser.parse_expression(expr_str) # pretend that update expressions are in "equations" block, which should always be present, as differential equations must have been defined to get here expr_ast.update_scope( neuron.get_equations_blocks().get_scope()) expr_ast.accept(ASTSymbolTableVisitor()) namespace['update_expressions'][sym] = expr_ast namespace['propagators'] = self.analytic_solver[ neuron.get_name()]["propagators"] namespace['uses_numeric_solver'] = neuron.get_name() in self.analytic_solver.keys() \ and self.numeric_solver[neuron.get_name()] is not None if namespace['uses_numeric_solver']: namespace['numeric_state_variables'] = self.numeric_solver[ neuron.get_name()]["state_variables"] namespace['numeric_variable_symbols'] = { sym: neuron.get_equations_block().get_scope().resolve_to_symbol( sym, SymbolKind.VARIABLE) for sym in namespace['numeric_state_variables'] } assert not any([ sym is None for sym in namespace['numeric_variable_symbols'].values() ]) namespace['numeric_update_expressions'] = {} for sym, expr in self.numeric_solver[ neuron.get_name()]["initial_values"].items(): namespace['initial_values'][sym] = expr for sym in namespace['numeric_state_variables']: expr_str = self.numeric_solver[ neuron.get_name()]["update_expressions"][sym] expr_ast = ModelParser.parse_expression(expr_str) # pretend that update expressions are in "equations" block, which should always be present, as differential equations must have been defined to get here expr_ast.update_scope( neuron.get_equations_blocks().get_scope()) expr_ast.accept(ASTSymbolTableVisitor()) namespace['numeric_update_expressions'][sym] = expr_ast namespace['useGSL'] = namespace['uses_numeric_solver'] namespace['names'] = GSLNamesConverter() converter = NESTReferenceConverter(True) unitless_pretty_printer = UnitlessExpressionPrinter(converter) namespace['printer'] = NestPrinter(unitless_pretty_printer) namespace["spike_updates"] = neuron.spike_updates rng_visitor = ASTRandomNumberGeneratorVisitor() neuron.accept(rng_visitor) namespace['norm_rng'] = rng_visitor._norm_rng_is_used return namespace
def convert_encapsulated(self): return NESTReferenceConverter.convert_encapsulated()
def convert_bit_operator(self, op): return NESTReferenceConverter.convert_bit_operator(op)
def convert_comparison_operator(self, op): return NESTReferenceConverter.convert_comparison_operator(op)
def convert_logical_operator(self, op): return NESTReferenceConverter.convert_logical_operator(op)
def convert_logical_not(self): return NESTReferenceConverter.convert_logical_not()
def convert_ternary_operator(self): return NESTReferenceConverter.convert_ternary_operator()
def convert_arithmetic_operator(self, op): return NESTReferenceConverter.convert_arithmetic_operator(op)
def convert_ternary_operator(self): return NESTReferenceConverter.convert_ternary_operator()
from pynestml.symbol_table.symbol_table import SymbolTable from pynestml.symbols.predefined_functions import PredefinedFunctions from pynestml.symbols.predefined_types import PredefinedTypes from pynestml.symbols.predefined_units import PredefinedUnits from pynestml.symbols.predefined_variables import PredefinedVariables from pynestml.utils.logger import Logger, LoggingLevel from pynestml.utils.model_parser import ModelParser SymbolTable.initialize_symbol_table( ASTSourceLocation(start_line=0, start_column=0, end_line=0, end_column=0)) PredefinedUnits.register_units() PredefinedTypes.register_types() PredefinedVariables.register_variables() PredefinedFunctions.register_functions() Logger.init_logger(LoggingLevel.INFO) printer = NestPrinter(ExpressionsPrettyPrinter(), NESTReferenceConverter()) def get_first_statement_in_update_block(model): if model.get_neuron_list()[0].get_update_blocks(): return model.get_neuron_list()[0].get_update_blocks().get_block( ).get_stmts()[0] return None def get_first_declaration_in_state_block(model): return model.get_neuron_list()[0].get_state_blocks().get_declarations()[0] def get_first_declared_function(model): return model.get_neuron_list()[0].get_functions()[0]
def convert_arithmetic_operator(self, op): return NESTReferenceConverter.convert_arithmetic_operator(op)