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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
# Copyright (C) 2013-2020 German Aerospace Center (DLR) and others.
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# https://www.eclipse.org/legal/epl-2.0/
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the Eclipse
# Public License 2.0 are satisfied: GNU General Public License, version 2
# or later which is available at
# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
# @file csv2xml.py
# @author Jakob Erdmann
# @author Michael Behrisch
# @author Laura Bieker
# @date 2013-12-08
from __future__ import print_function
from __future__ import absolute_import
import os
import sys
import csv
import contextlib
import io
from collections import OrderedDict
from optparse import OptionParser
import xsd
import xml2csv
def get_options():
optParser = OptionParser(
usage=os.path.basename(sys.argv[0]) + " [<options>] <input_file_or_port>")
optParser.add_option("-q", "--quotechar", default="",
help="the quoting character for fields")
optParser.add_option("-d", "--delimiter", default=";",
help="the field separator of the input file")
optParser.add_option("-t", "--type",
help="convert the given csv-file into the specified format")
optParser.add_option("-x", "--xsd", help="xsd schema to use")
optParser.add_option("-p", "--skip-root", action="store_true",
default=False, help="the root element is not contained")
optParser.add_option("-o", "--output", help="name for generic output file")
options, args = optParser.parse_args()
if len(args) != 1:
optParser.print_help()
sys.exit()
if not options.xsd and not options.type:
print("either a schema or a type needs to be specified", file=sys.stderr)
sys.exit()
options.source = args[0]
if not options.output:
options.output = os.path.splitext(options.source)[0] + ".xml"
return options
def row2xml(row, tag, close="/>\n", depth=1):
attrString = ' '.join(['%s="%s"' % (a[len(tag) + 1:], v)
for a, v in row.items() if v != "" and a.startswith(tag + "_")])
return (u'%s<%s %s%s' % ((depth * ' '), tag, attrString, close))
def row2vehicle_and_route(row, tag):
if "vehicle_route" in row:
return row2xml(row, tag)
else:
edges = row.get("route_edges", "MISSING_VALUE")
attrs = ' '.join(['%s="%s"' % (a[len(tag) + 1:], v)
for a, v in sorted(row.items()) if v != "" and a != "route_edges"])
return (u' <%s %s>\n <route edges="%s"/>\n </%s>\n' % (tag, attrs, edges, tag))
def write_xml(toptag, tag, options, printer=row2xml):
with io.open(options.output, 'w', encoding="utf8") as outputf:
outputf.write(u'<%s>\n' % toptag)
if options.source.isdigit():
inputf = xml2csv.getSocketStream(int(options.source))
else:
inputf = io.open(options.source, encoding="utf8")
reader = csv.DictReader(inputf, delimiter=options.delimiter)
for row in reader:
orderedRow = OrderedDict([(key, row[key]) for key in reader.fieldnames])
outputf.write(printer(orderedRow, tag))
outputf.write(u'</%s>\n' % toptag)
def checkAttributes(out, old, new, ele, tagStack, depth):
for attr in ele.attributes:
name = "%s_%s" % (ele.name, attr.name)
if new.get(name, "") != "":
if depth > 0:
out.write(u">\n")
out.write(row2xml(new, ele.name, "", depth))
return True
return False
def checkChanges(out, old, new, currEle, tagStack, depth):
# print(depth, currEle.name, tagStack)
if depth >= len(tagStack):
for ele in currEle.children:
# print(depth, "try", ele.name)
if ele.name not in tagStack and checkAttributes(out, old, new, ele, tagStack, depth):
# print(depth, "adding", ele.name, ele.children)
tagStack.append(ele.name)
if ele.children:
checkChanges(out, old, new, ele, tagStack, depth + 1)
else:
for ele in currEle.children:
if ele.name in tagStack and tagStack.index(ele.name) != depth:
continue
changed = False
present = False
for attr in ele.attributes:
name = "%s_%s" % (ele.name, attr.name)
if old.get(name, "") != new.get(name, "") and new.get(name, "") != "":
changed = True
if new.get(name, "") != "":
present = True
# print(depth, "seeing", ele.name, changed, tagStack)
if changed:
out.write(u"/>\n")
del tagStack[-1]
while len(tagStack) > depth:
out.write(u"%s</%s>\n" % ((len(tagStack) - 1) * ' ', tagStack[-1]))
del tagStack[-1]
out.write(row2xml(new, ele.name, "", depth))
tagStack.append(ele.name)
changed = False
if present and ele.children:
checkChanges(out, old, new, ele, tagStack, depth + 1)
def writeHierarchicalXml(struct, options):
if not struct.root.attributes:
options.skip_root = True
with contextlib.closing(xml2csv.getOutStream(options.output)) as outputf:
if options.source.isdigit():
inputf = xml2csv.getSocketStream(int(options.source))
else:
inputf = io.open(options.source, encoding="utf8")
lastRow = OrderedDict()
tagStack = [struct.root.name]
if options.skip_root:
outputf.write(u'<%s' % struct.root.name)
fields = None
enums = {}
first = True
for raw in csv.reader(inputf, delimiter=options.delimiter):
if not fields:
fields = raw
for f in fields:
if '_' not in f:
continue
enum = struct.getEnumerationByAttr(*f.split('_', 1))
if enum:
enums[f] = enum
else:
row = OrderedDict()
for field, entry in zip(fields, raw):
if field in enums and entry.isdigit():
entry = enums[field][int(entry)]
row[field] = entry
if first and not options.skip_root:
checkAttributes(outputf, lastRow, row, struct.root, tagStack, 0)
first = False
checkChanges(outputf, lastRow, row, struct.root, tagStack, 1)
lastRow = row
outputf.write(u"/>\n")
for idx in range(len(tagStack) - 2, -1, -1):
outputf.write(u"%s</%s>\n" % (idx * ' ', tagStack[idx]))
def main():
options = get_options()
if options.type in ["nodes", "node", "nod"]:
write_xml('nodes', 'node', options)
elif options.type in ["edges", "edge", "edg"]:
write_xml('edges', 'edge', options)
elif options.type in ["connections", "connection", "con"]:
write_xml('connections', 'connection', options)
elif options.type in ["routes", "vehicles", "vehicle", "rou"]:
write_xml('routes', 'vehicle', options, row2vehicle_and_route)
elif options.type in ["flows", "flow"]:
write_xml('routes', 'flow', options, row2vehicle_and_route)
elif options.xsd:
writeHierarchicalXml(xsd.XsdStructure(options.xsd), options)
if __name__ == "__main__":
main()
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