FreeCAD

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# ***************************************************************************
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# *                                                                         *
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# *   Copyright (c) 2018 Yorik van Havre <yorik@uncreated.net>              *
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# *                                                                         *
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# *   This program is free software; you can redistribute it and/or modify  *
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# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
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# *   as published by the Free Software Foundation; either version 2 of     *
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# *   the License, or (at your option) any later version.                   *
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# *   for detail see the LICENCE text file.                                 *
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# *                                                                         *
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# *   This program is distributed in the hope that it will be useful,       *
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# *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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# *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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# *   GNU Library General Public License for more details.                  *
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# *                                                                         *
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# *   You should have received a copy of the GNU Library General Public     *
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# *   License along with this program; if not, write to the Free Software   *
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# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
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# *   USA                                                                   *
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# *                                                                         *
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# ***************************************************************************
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"""This script retrieves a list of standard property sets from the IFC4 official documentation website
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   and stores them into a pset_dfinitions.xml files in the current directory. Warning, this can take
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   a certain time (there are more than 400 definitions to retrieve)"""
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import codecs, os, re
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from urllib.request import urlopen
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MAXTRIES = 3
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IFC_DOCS_ROOT_URL = "https://standards.buildingsmart.org/IFC/DEV/IFC4_2/FINAL/HTML/"
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# read the pset list
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print("Getting psets list...")
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u = urlopen(
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    IFC_DOCS_ROOT_URL + "annex/annex-b/alphabeticalorder_psets.htm"
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)
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p = u.read().decode('utf-8')
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u.close()
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psets = re.findall(">Pset_(.*?)</a>", p)
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# retrieve xml data from each Pset type
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psetdefs = ""
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failed = []
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for i, pset in enumerate(psets):
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    print(i + 1, "/", len(psets), ": Retrieving Pset", pset)
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    for j in range(MAXTRIES):
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        try:
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            u = urlopen(
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                IFC_DOCS_ROOT_URL + "psd/Pset_"
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                + pset
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                + ".xml"
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            )
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            p = u.read().decode('utf-8')
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            u.close()
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        except:
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            print("    Connection failed. trying one more time...")
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        else:
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            break
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    else:
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        print("    Unable to retrieve ", pset, ". Skipping...")
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        failed.append(pset)
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    psetdefs += p
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psetdefs = psetdefs.replace('<?xml version="1.0" encoding="utf-8"?>', "")
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psetdefs = '<?xml version="1.0" encoding="utf-8"?>\n<Root>\n' + psetdefs + "</Root>"
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f = codecs.open("pset_definitions.xml", "wb", "utf-8")
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f.write(psetdefs)
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f.close()
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print(
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    "All done! writing "
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    + os.path.join(os.path.abspath(os.curdir), "pset_definitions.xml")
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)
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if failed:
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    print("The following psets failed and were not retrieved:", failed)
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