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April 9, 2019 06:13
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Loading shapefiles into mongodb.
This all actually comes from here: http://geospatialpython.com/
But this is wrapped up a little nicer.
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# http://geospatialpython.com/ | |
import json, pymongo, shapefile | |
from json import dumps | |
database = 'geo' | |
connection = pymongo.MongoClient() | |
db = getattr(connection,database) | |
def renamesh2json(x): | |
d = x.split(".") | |
d.pop(-1) | |
y = ''.join(d)+".json" | |
return(y) | |
def sh2json(filename): | |
reader = shapefile.Reader(filename) | |
fields = reader.fields[1:] | |
field_names = [field[0] for field in fields] | |
buffer = [] | |
for sr in reader.shapeRecords(): | |
atr = dict(zip(field_names, sr.record)) | |
geom = sr.shape.__geo_interface__ | |
buffer.append(dict(type="Feature", geometry=geom, properties=atr)) | |
newfilename = renamesh2json(filename) | |
geojson = open(newfilename, "w") | |
geojson.write(dumps({"type": "FeatureCollection",\ | |
"features": buffer}, indent=2) + "\n") | |
geojson.close() | |
print("write of {} successful".format(newfilename)) | |
return(newfilename) | |
def loader(shapefile, collection): | |
jf = open(shapefile) | |
data = json.load(jf) | |
for d in data['features']: | |
db[collection].insert(d) | |
print("Upload of shapefile: {} into collection: {} successful".format(shapefile, collection)) |
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