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August 29, 2015 14:15
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Snippet to clean up and push KMZ->JSON data to a CouchDB instance. Routes are converted to LineStrings.
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import ijson | |
from couchdbkit import (Document, Server, StringProperty, DictProperty) | |
class Route(Document): | |
id = StringProperty() | |
geometry = DictProperty() | |
properties = DictProperty() | |
def main(): | |
unnamed_count = 0 | |
server = Server('https://xxxxxxxxx:[email protected]') | |
db = server.get_or_create_db('iom-walking-routes') | |
Route.set_db(db) | |
with open('routes.json') as file: | |
for feature_list in ijson.items(file, 'features'): | |
for route in feature_list: | |
name = route['properties'].get('Name') | |
if name in (None, 'NULL'): | |
name = 'Unnamed Route %d' % (unnamed_count,) | |
unnamed_count += 1 | |
geometry = { | |
'type': 'LineString', | |
'coordinates': [[float(y) for y in x if y != 0.0] for x in route['geometry']['coordinates'][0]] | |
} | |
route = Route(id=name, geometry=geometry, properties=route['properties']) | |
route.save() | |
if __name__ == '__main__': | |
main() |
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