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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 | # SPDX-License-Identifier: BSD-3-Clause
# Copyright (c) 2011, Thomas Paviot (tpaviot@gmail.com)
# All rights reserved.
# This file is part of the StepClassLibrary (SCL).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# Neither the name of the <ORGANIZATION> nor the names of its contributors may
# be used to endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.
# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import re
from . import Utils
import time
INSTANCE_DEFINITION_RE = re.compile(r"#(\d+)[^\S\n]?=[^\S\n]?(.*?)\((.*)\)[^\S\n]?;[\\r]?$")
def map_string_to_num(stri):
"""Take a string, check whether it is an integer, a float or not"""
if ("." in stri) or ("E" in stri): # it's definitely a float
return REAL(stri)
else:
return INTEGER(stri)
class Model:
"""
A model contains a list of instances
"""
def __init__(self, name):
self._name = name
# a dict of instances
# each time an instance is added to the model, count is incremented
self._instances = {}
self._number_of_instances = 0
def add_instance(self, instance):
"""
Adds an instance to the model
"""
self._number_of_instances += 1
self._instances[self._number_of_instances - 1] = instance
def print_instances(self):
"""
Dump instances to stdout
"""
for idx in range(self._number_of_instances):
"=========="
print("Instance #%i" % (idx + 1))
print(self._instances[idx])
class Part21EntityInstance:
"""
A class to represent a Part21 instance as defined in one Part21 file
A Part21EntityInstance is defined by the following arguments:
entity_name: a string
entity_attributes: a list of strings to represent an attribute.
For instance, the following expression:
#4 = PRODUCT_DEFINITION_SHAPE('$','$',#5);
will result in :
entity : <class 'config_control_design.product_definition_shape'>
entity_instance_attributes: ['$','$','#5']
"""
def __init__(self, entity_name, attributes):
self._entity
self._attributes_definition = attributes
print(self._entity_name)
print(self._attributes_definition)
class Part21Parser:
"""
Loads all instances definition of a Part21 file into memory.
Two dicts are created:
self._instance_definition : stores attributes, key is the instance integer id
self._number_of_ancestors : stores the number of ancestors of entity id. This enables
to define the order of instances creation.
"""
def __init__(self, filename):
self._filename = filename
# the schema
self._schema_name = ""
# the dict self._instances contain instance definition
self._instances_definition = {}
# this dict contains lists of 0 ancestors, 1 ancestor, etc.
# initializes this dict
# self._number_of_ancestors = {} # this kind of sorting don't work on non-trivial files
# for i in range(2000):
# self._number_of_ancestors[i]=[]
self.parse_file()
# reduce number_of_ancestors dict
# for item in self._number_of_ancestors.keys():
# if len(self._number_of_ancestors[item])==0:
# del self._number_of_ancestors[item]
def get_schema_name(self):
print(schema_name)
return self._schema_name
def get_number_of_instances(self):
return len(self._instances_definition)
def parse_file(self):
init_time = time.time()
print("Parsing file %s..." % self._filename)
fp = open(self._filename)
while True:
line = fp.readline()
if not line:
break
# there may be a multiline definition. In this case, we read lines until we found
# a ;
while line.find(";") == -1: # it's a multiline
line = line.replace("\n", "").replace("\r", "") + fp.readline()
# parse line
match_instance_definition = INSTANCE_DEFINITION_RE.search(line) # id,name,attrs
if match_instance_definition:
instance_id, entity_name, entity_attrs = match_instance_definition.groups()
instance_int_id = int(instance_id)
# find number of ancestors
# number_of_ancestors = entity_attrs.count('#')
# fill number of ancestors dict
# self._number_of_ancestors[number_of_ancestors].append(instance_int_id) # this kind of sorting don't work on non-trivial files
# parse attributes string
entity_attrs_list, str_len = Utils.process_nested_parent_str(entity_attrs)
# then finally append this instance to the disct instance
self._instances_definition[instance_int_id] = (entity_name, entity_attrs_list)
else: # does not match with entity instance definition, parse the header
if line.startswith("FILE_SCHEMA"):
# identify the schema name
self._schema_name = line.split("'")[1].split("'")[0].split(" ")[0].lower()
fp.close()
print("done in %fs." % (time.time() - init_time))
print("schema: - %s entities %i" % (self._schema_name, len(self._instances_definition)))
class EntityInstancesFactory(object):
"""
This class creates entity instances from the str definition
For instance, the definition:
20: ('CARTESIAN_POINT', ["''", '(5.,125.,20.)'])
will result in:
p = ARRAY(1,3,REAL)
p.[1] = REAL(5)
p.[2] = REAL(125)
p.[3] = REAL(20)
new_instance = cartesian_point(STRING(''),p)
"""
def __init__(self, schema_name, instance_definition):
# First try to import the schema module
pass
class Part21Population(object):
def __init__(self, part21_loader):
"""Take a part21_loader a tries to create entities"""
self._part21_loader = part21_loader
self._aggregate_scope = []
self._aggr_scope = False
self.create_entity_instances()
def create_entity_instances(self):
"""Starts entity instances creation"""
for number_of_ancestor in list(self._part21_loader._number_of_ancestors):
for entity_definition_id in self._part21_loader._number_of_ancestors[
number_of_ancestor
]:
self.create_entity_instance(entity_definition_id)
def create_entity_instance(self, instance_id):
instance_definition = self._part21_loader._instances_definition[instance_id]
print("Instance definition to process", instance_definition)
# first find class name
class_name = instance_definition[0].lower()
print("Class name:%s" % class_name)
object_ = globals()[class_name]
# then attributes
# print object_.__doc__
instance_attributes = instance_definition[1]
print("instance_attributes:", instance_attributes)
a = object_(*instance_attributes)
if __name__ == "__main__":
import time
import sys
from config_control_design import *
p21loader = Part21Parser("gasket1.p21")
print("Creating instances")
p21population = Part21Population(p21loader)
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