mirror of
https://github.com/DYefremov/DemonEditor.git
synced 2026-02-06 14:50:26 +01:00
168 lines
7.4 KiB
Python
168 lines
7.4 KiB
Python
# -*- coding: utf-8 -*-
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2018-2022 Dmitriy Yefremov
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# Author: Dmitriy Yefremov
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#
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""" Module for parsing *.xml files.
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For more info see comments.
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"""
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from xml.dom.minidom import Document
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import xml.etree.ElementTree as ETree
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from .ecommons import (POLARIZATION, FEC, SYSTEM, MODULATION, Transponder, Satellite, get_key_by_value,
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Terrestrial, Cable, TerTransponder, CableTransponder, T_SYSTEM, BANDWIDTH, GUARD_INTERVAL,
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TRANSMISSION_MODE, T_FEC, HIERARCHY, C_MODULATION, FEC_DEFAULT, Inversion, CONSTELLATION)
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_SAT_COMMENT = (" File was created in DemonEditor\n\n"
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"usable flags are\n"
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" 1: Network Scan\n"
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" 2: use BAT\n"
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" 4: use ONIT\n"
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" 8: skip NITs of known networks\n"
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" and combinations of this.\n\n"
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"transponder parameters:\n"
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"polarization: 0 - Horizontal, 1 - Vertical, 2 - Left Circular, 3 - Right Circular\n"
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"fec_inner: 0 - Auto, 1 - 1/2, 2 - 2/3, 3 - 3/4, 4 - 5/6, 5 - 7/8, 6 - 8/9, 7 - 3/5,\n"
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"8 - 4/5, 9 - 9/10, 15 - None\n"
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"modulation: 0 - Auto, 1 - QPSK, 2 - 8PSK, 4 - 16APSK, 5 - 32APSK\n"
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"rolloff: 0 - 0.35, 1 - 0.25, 2 - 0.20, 3 - Auto\n"
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"pilot: 0 - Off, 1 - On, 2 - Auto\n"
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"inversion: 0 = Off, 1 = On, 2 = Auto (default)\n"
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"system: 0 = DVB-S, 1 = DVB-S2\n"
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"is_id: 0 - 255\n"
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"pls_mode: 0 - Root, 1 - Gold, 2 - Combo\n"
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"pls_code: 0 - 262142\n\n")
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def get_satellites(path):
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""" Returns data [Satellite] list from *.xml. """
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return [Satellite(e.get("name", None),
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e.get("flags", None),
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e.get("position", None) or "0",
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get_sat_transponders(e)) for e in ETree.parse(path).iter("sat")]
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def get_sat_transponders(elem):
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""" Returns satellite transponders list. """
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return [Transponder(e.get("frequency", "0"),
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e.get("symbol_rate", "0"),
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POLARIZATION[e.get("polarization", "0")],
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FEC[e.get("fec_inner", "0")],
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SYSTEM[e.get("system", "0")],
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MODULATION[e.get("modulation", "0")],
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e.get("pls_mode", None),
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e.get("pls_code", None),
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e.get("is_id", None),
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e.get("t2mi_plp_id", None)) for e in elem.iter("transponder")]
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def get_terrestrial(path):
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""" Returns data [Terrestrial] list from *.xml. """
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return [Terrestrial(e.get("name", None),
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e.get("flags", None),
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e.get("countrycode", None),
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[get_ter_transponder(e) for e in e.iter("transponder")]
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) for e in ETree.parse(path).iter("terrestrial")]
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def get_ter_transponder(elem):
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""" Returns terrestrial transponder. """
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return TerTransponder(elem.get("centre_frequency", "0"),
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T_SYSTEM.get(elem.get("system", None), None),
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BANDWIDTH.get(elem.get("bandwidth", None), None),
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CONSTELLATION.get(elem.get("constellation", None), None),
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T_FEC.get(elem.get("code_rate_hp", None), None),
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T_FEC.get(elem.get("code_rate_lp", None), None),
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GUARD_INTERVAL.get(elem.get("guard_interval", None), None),
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TRANSMISSION_MODE.get(elem.get("transmission_mode", None), None),
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HIERARCHY.get(elem.get("hierarchy_information", None), None),
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Inversion(elem.get("inversion")).name if "inversion" in elem.keys() else None,
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elem.get("plp_id", None))
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def get_cable(path):
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""" Returns data [Cable] list from *.xml. """
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return [Cable(e.get("name", None),
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e.get("flags", None),
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e.get("satfeed", None),
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e.get("countrycode", None),
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get_cable_transponders(e)) for e in ETree.parse(path).iter("cable")]
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def get_cable_transponders(elem):
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""" Returns cable transponders list. """
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return [CableTransponder(e.get("frequency", "0"),
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e.get("symbol_rate", "0"),
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FEC_DEFAULT[e.get("fec_inner", "0")],
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C_MODULATION[e.get("modulation", "0")]) for e in elem.iter("transponder")]
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def write_satellites(satellites, data_path):
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""" Creation satellites.xml file """
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doc = Document()
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comment = doc.createComment(_SAT_COMMENT)
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doc.appendChild(comment)
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root = doc.createElement("satellites")
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doc.appendChild(root)
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for sat in satellites:
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# Create Element
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sat_child = doc.createElement("sat")
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sat_child.setAttribute("name", sat.name)
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sat_child.setAttribute("flags", sat.flags)
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sat_child.setAttribute("position", sat.position)
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for tr in sat.transponders:
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transponder_child = doc.createElement("transponder")
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transponder_child.setAttribute("frequency", tr.frequency)
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transponder_child.setAttribute("symbol_rate", tr.symbol_rate)
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transponder_child.setAttribute("polarization", get_key_by_value(POLARIZATION, tr.polarization))
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transponder_child.setAttribute("fec_inner", get_key_by_value(FEC, tr.fec_inner) or "0")
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transponder_child.setAttribute("system", get_key_by_value(SYSTEM, tr.system) or "0")
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transponder_child.setAttribute("modulation", get_key_by_value(MODULATION, tr.modulation) or "0")
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if tr.pls_mode:
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transponder_child.setAttribute("pls_mode", tr.pls_mode)
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if tr.pls_code:
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transponder_child.setAttribute("pls_code", tr.pls_code)
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if tr.is_id:
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transponder_child.setAttribute("is_id", tr.is_id)
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if tr.t2mi_plp_id:
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transponder_child.setAttribute("t2mi_plp_id", tr.t2mi_plp_id)
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sat_child.appendChild(transponder_child)
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root.appendChild(sat_child)
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doc.writexml(open(data_path, "w"),
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# indent="",
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addindent=" ",
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newl='\n',
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encoding="iso-8859-1")
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doc.unlink()
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if __name__ == "__main__":
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pass
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