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#! /usr/bin/env python3
# Copyright (C) 2009 Jacek Konieczny <jajcus@jajcus.net>
# Copyright (C) 2009 Andrzej Zaborowski <balrogg@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Convert .osm files to osmChange 0.6
"""
import os
import sys
import traceback
import http
import xml.etree.cElementTree as ElementTree
def osmsort(tree, order):
list = tree[0:len(tree)]
list.sort(lambda x, y: order.index(x.tag) - order.index(y.tag))
tree[0:len(tree)] = list
try:
if len(sys.argv) != 2:
sys.stderr.write("Synopsis:\n")
sys.stderr.write(" %s <file-name.osm>\n" % (sys.argv[0],))
sys.exit(1)
filename = sys.argv[1]
if not os.path.exists(filename):
sys.stderr.write("File %r doesn't exist!\n" % (filename,))
sys.exit(1)
if filename.endswith(".osm"):
filename_base = filename[:-4]
else:
filename_base = filename
tree = ElementTree.parse(filename)
root = tree.getroot()
if root.tag != "osm" or root.attrib.get("version") != "0.6":
sys.stderr.write("File %s is not a v0.6 osm file!\n" % (filename,))
sys.exit(1)
output_attr = {"version": "0.6", "generator": root.attrib.get("generator")}
output_root = ElementTree.Element("osmChange", output_attr)
output_tree = ElementTree.ElementTree(output_root)
operation = {}
for opname in [ "create", "modify", "delete" ]:
operation[opname] = ElementTree.SubElement(output_root,
opname, output_attr)
for element in root:
if "id" in element.attrib and int(element.attrib["id"]) < 0:
opname = "create"
elif "action" in element.attrib:
opname = element.attrib.pop("action")
else:
continue
operation[opname].append(element)
# Does this account for all cases? Also, is it needed?
# (cases like relations containing relations... is that allowed?)
#osmsort(operation["create"], [ "node", "way", "relation" ])
#osmsort(operation["delete"], [ "relation", "way", "node" ])
output_tree.write(filename_base + ".osc", "utf-8")
except Exception as err:
sys.stderr.write(repr(err) + "\n")
traceback.print_exc(file = sys.stderr)
sys.exit(1)
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