104 lines
4.2 KiB
Python
104 lines
4.2 KiB
Python
# Copyright (c) 2014, Juergen Riegel (FreeCAD@juergen-riegel.net)
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# Copyright (c) 2011, Thomas Paviot (tpaviot@gmail.com)
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# All rights reserved.
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# This file is part of the StepClassLibrary (SCL).
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# Neither the name of the <ORGANIZATION> nor the names of its contributors may
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# be used to endorse or promote products derived from this software without
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# specific prior written permission.
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Simple Part21 STEP reader
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Reads a given STEP file. Maps the enteties and instaciate the
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corosbonding classes.
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In addition it writes out a graphwiz file with the entity graph.
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"""
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import Part21,sys
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__title__="Simple Part21 STEP reader"
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__author__ = "Juergen Riegel, Thomas Paviot"
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__url__ = "http://www.freecadweb.org"
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__version__ = "0.1 (Jan 2014)"
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class SimpleParser:
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"""
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Loads all instances definition of a Part21 file into memory.
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Two dicts are created:
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self._instance_definition : stores attibutes, key is the instance integer id
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self._number_of_ancestors : stores the number of ancestors of entity id. This enables
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to define the order of instances creation.
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"""
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def __init__(self, filename):
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import time
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import sys
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self._p21loader = Part21.Part21Parser("gasket1.p21")
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self.schemaModule = None
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self.schemaClasses = None
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def instaciate(self):
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"""Instaciate the python classe from the enteties"""
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import inspect
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# load the needed schema module
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if self._p21loader.get_schema_name() == 'config_control_design':
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import config_control_design
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self.schemaModule = config_control_design
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if self._p21loader.get_schema_name() == 'automotive_design':
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import automotive_design
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self.schemaModule = automotive_design
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if self.schemaModule:
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self.schemaClasses = dict(inspect.getmembers(self.schemaModule))
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for number_of_ancestor in self._p21loader._number_of_ancestors.keys():
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for entity_definition_id in self._p21loader._number_of_ancestors[number_of_ancestor]:
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#print entity_definition_id,':',self._p21loader._instances_definition[entity_definition_id]
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self.create_entity_instance(entity_definition_id)
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def create_entity_instance(self, instance_id):
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instance_definition = self._p21loader._instances_definition[instance_id]
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print "Instance definition to process",instance_definition
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# first find class name
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class_name = instance_definition[0].lower()
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print "Class name:%s"%class_name
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if not class_name=='':
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object_ = self.schemaClasses[class_name]
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# then attributes
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print object_.__doc__
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#instance_attributes = instance_definition[1]
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#print "instance_attributes:",instance_attributes
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#a = object_(*instance_attributes)
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if __name__ == "__main__":
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sys.path.append('..') # path where config_control_design.py is found
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parser = SimpleParser("gasket1.p21") # simple test file
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parser.instaciate()
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