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#! /usr/bin/python3
# vim: fileencoding=utf-8 encoding=utf-8 et sw=4
# 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
"""
Closes a changeset, given id.
"""
__version__ = "$Revision: 21 $"
import os
import subprocess
import sys
import traceback
import base64
import http.client as httplib
import xml.etree.cElementTree as ElementTree
import urllib.parse as urlparse
class HTTPError(Exception):
pass
class OSM_API(object):
url = 'https://master.apis.dev.openstreetmap.org/'
def __init__(self, username = None, password = None):
if username and password:
self.username = username
self.password = password
else:
self.username = ""
self.password = ""
self.changeset = None
self.progress_msg = None
def __del__(self):
if self.changeset is not None:
self.close_changeset()
def msg(self, mesg):
sys.stderr.write("\r%s… " % (self.progress_msg))
sys.stderr.write("\r%s… %s" % (self.progress_msg, mesg))
sys.stderr.flush()
def request(self, conn, method, url, body, headers, progress):
if progress:
self.msg("making request")
conn.putrequest(method, url)
self.msg("sending headers")
if body:
conn.putheader('Content-Length', str(len(body)))
for hdr, value in headers.iteritems():
conn.putheader(hdr, value)
self.msg("end of headers")
conn.endheaders()
self.msg(" 0%")
if body:
start = 0
size = len(body)
chunk = size / 100
if chunk < 16384:
chunk = 16384
while start < size:
end = min(size, start + chunk)
conn.send(body[start:end])
start = end
self.msg("%2i%%" % (start * 100 / size))
else:
self.msg(" ")
conn.request(method, url, body, headers)
def _run_request(self, method, url, body = None, progress = 0, content_type = "text/xml"):
url = urlparse.urljoin(self.url, url)
purl = urlparse.urlparse(url)
if purl.scheme != "https":
raise ValueError("Unsupported url scheme: %r" % (purl.scheme,))
if ":" in purl.netloc:
host, port = purl.netloc.split(":", 1)
port = int(port)
else:
host = purl.netloc
port = None
url = purl.path
if purl.query:
url += "?" + query
headers = {}
if body:
headers["Content-Type"] = content_type
try_no_auth = 0
if not try_no_auth and not self.username:
raise HTTPError("Need a username")
try:
self.msg("connecting")
conn = httplib.HTTPSConnection(host, port)
# conn.set_debuglevel(10)
if try_no_auth:
self.request(conn, method, url, body, headers, progress)
self.msg("waiting for status")
response = conn.getresponse()
if not try_no_auth or (response.status == httplib.UNAUTHORIZED and
self.username):
if try_no_auth:
conn.close()
self.msg("re-connecting")
conn = httplib.HTTPSConnection(host, port)
# conn.set_debuglevel(10)
creds = self.username + ":" + self.password
headers["Authorization"] = "Basic " + \
base64.b64encode(bytes(creds, "utf8")).decode("utf8")
# ^ Seems to be broken in python3 (even the raw
# documentation examples don't run for base64)
self.request(conn, method, url, body, headers, progress)
self.msg("waiting for status")
response = conn.getresponse()
if response.status == httplib.OK:
self.msg("reading response")
sys.stderr.flush()
response_body = response.read()
else:
raise HTTPError("%02i: %s (%s)" % (response.status,
response.reason, response.read()))
finally:
conn.close()
return response_body
def create_changeset(self, created_by, comment):
if self.changeset is not None:
raise RuntimeError("Changeset already opened")
self.progress_msg = "I'm creating the changeset"
self.msg("")
sys.stderr.flush()
root = ElementTree.Element("osm")
tree = ElementTree.ElementTree(root)
element = ElementTree.SubElement(root, "changeset")
ElementTree.SubElement(element, "tag", {"k": "created_by", "v": created_by})
ElementTree.SubElement(element, "tag", {"k": "comment", "v": comment})
body = ElementTree.tostring(root, "utf-8")
reply = self._run_request("PUT", "/api/0.6/changeset/create", body)
changeset = int(reply.strip())
self.msg("done. Id: %i" % (changeset,))
sys.stderr("\n")
self.changeset = changeset
def upload(self, change):
if self.changeset is None:
raise RuntimeError("Changeset not opened")
self.progress_msg = "Now I'm sending changes"
self.msg("")
sys.stderr.flush()
for operation in change:
if operation.tag not in ("create", "modify", "delete"):
continue
for element in operation:
element.attrib["changeset"] = str(self.changeset)
body = ElementTree.tostring(change, "utf-8")
reply = self._run_request("POST", "/api/0.6/changeset/%i/upload"
% (self.changeset,), body, 1)
self.msg("done.")
sys.stderr.write("\n")
return reply
def close_changeset(self):
if self.changeset is None:
raise RuntimeError("Changeset not opened")
self.progress_msg = "Closing"
self.msg("")
sys.stderr.flush()
sys.stderr.flush()
reply = self._run_request("PUT", "/api/0.6/changeset/%i/close"
% (self.changeset,))
self.changeset = None
self.msg("done, too.")
sys.stderr.write("\n")
try:
this_dir = os.path.dirname(__file__)
try:
version = int(subprocess.Popen(["svnversion", this_dir], stdout = subprocess.PIPE).communicate()[0].strip())
except:
version = 1
if len(sys.argv) != 2:
sys.stderr.write("Synopsis:\n")
sys.stderr.write(" %s <changeset-id>\n", sys.argv[0])
sys.exit(1)
login = input("OSM login: ")
if not login:
sys.exit(1)
password = input("OSM password: ")
if not login:
sys.exit(1)
api = OSM_API(login, password)
api.changeset = int(sys.argv[1])
api.close_changeset()
except HTTPError as err:
sys.stderr.write(str(err) + "\n")
sys.exit(1)
except Exception as err:
sys.stderr.write(str(err) + "\n")
traceback.print_exc(file=sys.stderr)
sys.exit(1)
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