"""
Reads in a file where junctions controlled by
tls are stored and one which contains correct
lane numbers. Applies the information on
the given edge and node file and saves them.
todo:
- make this read XML-files using an XML-API
"""
from __future__ import absolute_import
from __future__ import print_function
from optparse import OptionParser
def getAttr(source, what):
mbeg = source.find(what + "=")
mbeg = source.find('"', mbeg) + 1
mend = source.find('"', mbeg)
return source[mbeg:mend]
optParser = OptionParser()
optParser.add_option("-v", "--verbose", action="store_true", dest="verbose",
default=False, help="tell me what you are doing")
optParser.add_option("-t", "--tls-file", dest="lsas",
help="File with tls nodes", metavar="FILE")
optParser.add_option("-l", "--lanes-file", dest="lanes",
help="File with lane number patched", metavar="FILE")
optParser.add_option("-e", "--edges-file", dest="edges",
help="File with XML-edges", metavar="FILE")
optParser.add_option("-n", "--nodes-file", dest="nodes",
help="File with XML-nodes", metavar="FILE")
(options, args) = optParser.parse_args()
lsas = {}
if options.lsas:
index = 0
fd = open(options.lsas)
for line in fd:
line = line.strip()
if line == "" or line[0] == '#':
continue
(id, tls) = line.split(":")
tls = tls.split(",")
if id == "tls":
if len(tls) > 1:
id = "j_" + str(index)
index = index + 1
else:
id = tls[0]
for t in tls:
if t in lsas:
print("Junction's '" + t + "' TLS already defined")
lsas[t] = id
fd.close()
lanes = {}
if options.lanes:
fd = open(options.lanes)
for line in fd:
line = line.strip()
if line == "" or line[0] == '#':
continue
(edge, laneNo) = line.split(":")
if edge in lanes:
print("Edge's '" + edge + "' lane number already defined")
lanes[edge] = int(laneNo)
fd.close()
fdi = open(options.edges)
fdo = open(options.edges + ".new.xml", "w")
for line in fdi:
if line.find("<edge ") >= 0:
id = getAttr(line, "id")
if id in lanes:
indexB = line.find("numLanes")
indexB = line.find('"', indexB) + 1
indexE = line.find('"', indexB)
line = line[:indexB] + str(lanes[id]) + line[indexE:]
fdo.write(line)
fdo.close()
fdi.close()
fdi = open(options.nodes)
fdo = open(options.nodes + ".new.xml", "w")
for line in fdi:
if line.find("<node ") >= 0:
id = getAttr(line, "id")
if id in lsas:
indexE = line.find("/>")
line = line[:indexE] + \
" type=\"traffic_light\" tl=\"" + lsas[id] + "\"/>"
fdo.write(line)
fdo.close()
fdi.close()