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copied!<p><strong>Summary:</strong> You can't until <a href="http://code.google.com/p/gmaps-api-issues/issues/detail?id=2590" rel="nofollow">issue 2590</a> is fixed, which may be a while because Google have <a href="https://code.google.com/p/gmaps-api-issues/issues/detail?id=2590#c13" rel="nofollow">closed this issue as WontFix</a>. There are workarounds you can try to achieve the same end result, but as it stands you cannot simply upload a KML file using the Google Maps Data API.</p> <p><strong>Long version:</strong></p> <p>I <strike>don't</strike> didn't have any Python code to do this, but the <a href="http://code.google.com/apis/maps/documentation/mapsdata/" rel="nofollow">Google Maps Data API</a> allows you to do this with a series of HTTP requests. See <a href="http://code.google.com/apis/maps/documentation/mapsdata/developers_guide_protocol.html#uploading_kml" rel="nofollow">Uploading KML</a> in the HTTP Protocol section of the <a href="http://code.google.com/apis/maps/documentation/mapsdata/developers_guide.html" rel="nofollow">Developers Guide</a> for the documentation on how to do this. So one possible Python solution would be to use something like <a href="http://docs.python.org/library/httplib.html" rel="nofollow">httplib</a> in the standard library to do the appropriate HTTP requests for you.</p> <p>After various edits and your feedback in the comments, here is a script that takes a Google username and password via the command line (be careful how you use it!) to obtain the <code>authorization_token</code> variable by making a <a href="http://code.google.com/apis/maps/documentation/mapsdata/developers_guide_protocol.html#ClientLogin" rel="nofollow">ClientLogin authentication request</a>. With a valid username and password, the auth token can be used in the <code>Authorization</code> header for POSTing the KML data to the Maps Data API.</p> <pre><code>#!/usr/bin/env python import httplib import optparse import sys import urllib class GoogleMaps(object): source = "daybarr.com-kmluploader-0.1" def __init__(self, email, passwd): self.email = email self.passwd = passwd self._conn = None self._auth_token = None def _get_connection(self): if not self._auth_token: conn = httplib.HTTPSConnection("www.google.com") params = urllib.urlencode({ "accountType": "HOSTED_OR_GOOGLE", "Email": self.email, "Passwd": self.passwd, "service": "local", "source": self.source, }) headers = { "Content-type": "application/x-www-form-urlencoded", "Accept": "text/plain", } conn.request("POST", "/accounts/ClientLogin", params, headers) response = conn.getresponse() if response.status != 200: raise Exception("Failed to login: %s %s" % ( response.status, response.reason)) body = response.read() for line in body.splitlines(): if line.startswith("Auth="): self._auth_token = line[5:] break if not self._auth_token: raise Exception("Cannot find auth token in response %s" % body) if not self._conn: self._conn = httplib.HTTPConnection("maps.google.com") return self._conn connection = property(_get_connection) def upload(self, kml_data): conn = self.connection headers = { "GData-Version": "2.0", "Authorization": 'GoogleLogin auth=%s' % (self._auth_token,), "Content-Type": "application/vnd.google-earth.kml+xml", } conn.request("POST", "/maps/feeds/maps/default/full", kml_data, headers) response = conn.getresponse() if response.status != 200: raise Exception("Failed to upload kml: %s %s" % ( response.status, response.reason)) return response.read() if __name__ == "__main__": parser = optparse.OptionParser() parser.add_option("-e", "--email", help="Email address for login") parser.add_option("-p", "--passwd", help="Password for login") options, args = parser.parse_args() if not (options.email and options.passwd): parser.error("email and passwd required") if args: kml_file = open(args[0], "r") else: kml_file = sys.stdin maps = GoogleMaps(options.email, options.passwd) print maps.upload(kml_file.read()) </code></pre> <p><strong>Unfortunately</strong>, even when using valid login credentials to obtain a valid authorization token and using a valid KML file containing exactly the example as given in the documentation, the API responds to the KML post with a <code>400 Bad Request</code>. Apparently this is a known issue (<a href="http://code.google.com/p/gmaps-api-issues/issues/detail?id=2590" rel="nofollow">2590</a> reported July 22nd 2010) so please vote for and comment on that if you'd like Google to fix.</p> <p>In the meantime, without that bug fixed, you could try</p> <ol> <li>Create the map without uploading KML, and then upload KML features as appropriate, as suggested in <a href="http://code.google.com/p/gmaps-api-issues/issues/detail?id=2590#c9" rel="nofollow">comment #9 on the issue</a> from Google, when they confirmed that the bug exists.</li> <li><a href="http://code.google.com/apis/maps/documentation/mapsdata/developers_guide_protocol.html#uploading_xml" rel="nofollow">uploading XML</a> or <a href="http://code.google.com/apis/maps/documentation/mapsdata/developers_guide_protocol.html#uploading_csv" rel="nofollow">uploading CSV</a> instead of KML if these methods support what you need to get done</li> <li>fiddling with the format of your KML data. <a href="http://groups.google.com/group/google-maps-data-api/msg/c34efa7fef259e0f" rel="nofollow">This post</a> in the Google Group for the API suggests that this might help, but it looks complicated.</li> </ol> <p>Good luck</p>

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