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133 lines
4.6 KiB
Python
133 lines
4.6 KiB
Python
# igc2kmz cross country functions
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# Copyright (C) 2008 Tom Payne
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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 General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import with_statement
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from datetime import datetime
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import re
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try:
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from xml.etree.cElementTree import ElementTree, parse
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except ImportError:
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from xml.etree.ElementTree import ElementTree, parse
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from coord import Coord
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from etree import tag
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from gpx import GPX_DATETIME_FORMAT
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class Turnpoint(object):
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def __init__(self, name, coord):
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self.name = name
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self.coord = coord
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def build_tree(self, tb):
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attrs = {'lat': str(self.coord.lat), 'lon': str(self.coord.lon)}
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with tag(tb, 'rtept', attrs):
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if self.coord.ele:
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with tag(tb, 'ele'):
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tb.data('%d' % ele)
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with tag(tb, 'name'):
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tb.data(self.name)
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with tag(tb, 'time'):
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tb.data(self.coord.dt.strftime(GPX_DATETIME_FORMAT))
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return tb
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@classmethod
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def from_element(cls, rtept, namespace):
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name = rtept.findtext('{%s}name' % namespace).encode('utf_8')
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lat = float(rtept.get('lat'))
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lon = float(rtept.get('lon'))
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ele_tag = rtept.find('{%s}ele' % namespace)
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ele = 0 if ele_tag is None else int(ele_tag.text)
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time_text = rtept.findtext('{%s}time' % namespace)
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dt = datetime.strptime(time_text, GPX_DATETIME_FORMAT)
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coord = Coord.deg(lat, lon, ele, dt)
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return cls(name, coord)
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class Route(object):
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def __init__(self, name, league, distance, multiplier, score, circuit, tps):
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self.name = name
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self.league = league
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self.distance = distance
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self.multiplier = multiplier
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self.score = score
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self.circuit = circuit
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self.tps = tps
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def build_tree(self, tb):
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with tag(tb, 'rte'):
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with tag(tb, 'name'):
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tb.data(self.name)
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with tag(tb, 'extensions'):
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with tag(tb, 'league'):
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tb.data(self.league)
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with tag(tb, 'distance'):
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tb.data(str(self.distance))
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with tag(tb, 'multiplier'):
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tb.data('%.2f' % self.multiplier)
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with tag(tb, 'score'):
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tb.data(str(self.score))
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if self.circuit:
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with tag(tb, 'circuit'):
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pass
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for tp in self.tps:
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tp.build_tree(tb)
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return tb
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@classmethod
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def from_element(cls, rte, namespace):
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name = rte.findtext('{%s}name' % namespace).encode('utf_8')
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extensions_tag = rte.find('{%s}extensions' % namespace)
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league_text = extensions_tag.findtext('{%s}league' % namespace)
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league = league_text.encode('utf_8')
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distance_text = extensions_tag.findtext('{%s}distance' % namespace)
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distance = float(distance_text)
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multiplier_text = extensions_tag.findtext('{%s}multiplier' % namespace)
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multiplier = float(multiplier_text)
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score = float(extensions_tag.findtext('{%s}score' % namespace))
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circuit_tag = extensions_tag.find('{%s}circuit' % namespace)
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circuit = not circuit_tag is None
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rtepts = rte.findall('{%s}rtept' % namespace)
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tps = [Turnpoint.from_element(rtept, namespace) for rtept in rtepts]
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return cls(name, league, distance, multiplier, score, circuit, tps)
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class XC(object):
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def __init__(self, routes):
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self.routes = routes
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def build_tree(self, tb):
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for route in self.routes:
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route.build_tree(tb)
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return tb
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@classmethod
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def from_element(cls, element, namespace):
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rtes = element.findall('/{%s}rte' % namespace)
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routes = [Route.from_element(rte, namespace) for rte in rtes]
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return cls(routes)
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@classmethod
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def from_file(cls, file):
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element = parse(file)
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namespace = re.match(r'\{(.*)\}', element.getroot().tag).group(1)
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return cls.from_element(element, namespace)
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