def prepareSqlite(out,featureClass,fileType,includeGeometry):
[shp,shpType]=getShp(featureClass)
if shpType == "point":
gType = 1
elif shpType == "multipoint":
gType = 4
elif shpType == "polyline":
gType = 5
elif shpType == "polygon":
gType = 6
fields=listFields(featureClass)
fieldNames = []
fieldNames.append("OGC_FID INTEGER PRIMARY KEY")
if includeGeometry:
fieldNames.append("GEOMETRY blob")
for field in fields:
if (fields[field] != u'OID') and field.lower() !=shp.lower():
fieldNames.append(parseFieldType(field,fields[field]))
conn=Connection(out)
c=conn.cursor()
name = splitext(split(out)[1])[0]
c.execute("""CREATE TABLE geometry_columns ( f_table_name VARCHAR, f_geometry_column VARCHAR, geometry_type INTEGER, coord_dimension INTEGER, srid INTEGER, geometry_format VARCHAR )""")
c.execute("""insert into geometry_columns( f_table_name, f_geometry_column, geometry_type, coord_dimension, srid, geometry_format) values(?,?,?,?,?,?)""",(name,"GEOMETRY",gType,2,4326,"WKB"))
c.execute("""CREATE TABLE spatial_ref_sys ( srid INTEGER UNIQUE, auth_name TEXT, auth_srid TEXT, srtext TEXT)""")
c.execute("insert into spatial_ref_sys(srid ,auth_name ,auth_srid ,srtext) values(?,?,?,?)",(4326, u'EPSG', 4326, u'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]'))
c.execute("create table {0}({1})".format(name,", ".join(fieldNames)))
return [name,c,conn]
def __init__(self,outFile,featureClass,fileType,includeGeometry, first=True, outName=False):
self.outFile = outFile
self.fileType = fileType
#first we set put the local variables we'll need
[self.shp,self.shpType]=getShp(featureClass)
self.fields=listFields(featureClass)
self.oid=getOID(self.fields)
sr=SpatialReference()
sr.loadFromString(wgs84)
#the search cursor
self.rows=SearchCursor(featureClass,"",sr)
#don't want the shape field showing up as a property
del self.fields[self.shp]
self.first=first
self.status = statusMessage(featureClass)
#define the correct geometry function if we're exporting geometry
self.parseGeo = getParseFunc(self.shpType,includeGeometry)
self.i=0
if fileType=="geojson":
self.parse = self.parseGeoJSON_ElasticSearch
elif fileType=="csv":
self.parse = self.parseCSV
elif fileType=="json":
self.parse = self.parseJSON
elif fileType=="sqlite":
self.parse = self.parseSqlite
elif fileType=="topojson":
self.parse = self.parseTOPOJSON
if outName:
self.oName=outName
else:
self.oName = getName(featureClass)
self.topo = self.outFile['topo'].object_factory(self.oName)
def __init__(self,
outFile,
featureClass,
fileType,
includeGeometry,
first=True):
self.outFile = outFile
self.fileType = fileType
#first we set put the local variables we'll need
[self.shp, self.shpType] = getShp(featureClass)
self.fields = listFields(featureClass)
self.oid = getOID(self.fields)
sr = SpatialReference()
sr.loadFromString(wgs84)
#the search cursor
self.rows = SearchCursor(featureClass, "", sr)
#don't want the shape field showing up as a property
del self.fields[self.shp]
self.first = first
self.status = statusMessage(featureClass)
#define the correct geometry function if we're exporting geometry
self.parseGeo = getParseFunc(self.shpType, includeGeometry)
self.i = 0
if fileType == "geojson":
self.parse = self.parseGeoJSON
elif fileType == "csv":
self.parse = self.parseCSV
elif fileType == "json":
self.parse = self.parseJSON
elif fileType == "sqlite":
self.parse = self.parseSqlite
def prepareCSV(outJSON,featureClass,fileType,includeGeometry):
shp=getShp(featureClass)[0]
fields=listFields(featureClass)
fieldNames = []
out = open(outJSON,"wb")
for field in fields:
if (fields[field] != u'OID') and field.lower() !=shp.lower():
fieldNames.append(field)
if includeGeometry!="none":
fieldNames.append("geometry")
outCSV=DictWriter(out,fieldNames,extrasaction='ignore')
fieldObject = {}
for fieldName in fieldNames:
fieldObject[fieldName]=fieldName
outCSV.writerow(fieldObject)
return [outCSV,out]
def prepareCSV(outJSON, featureClass, fileType, includeGeometry):
shp = getShp(featureClass)[0]
fields = listFields(featureClass)
fieldNames = []
out = open(outJSON, "wb")
for field in fields:
if (fields[field] != u'OID') and field.lower() != shp.lower():
fieldNames.append(field)
if includeGeometry != "none":
fieldNames.append("geometry")
outCSV = DictWriter(out, fieldNames, extrasaction='ignore')
fieldObject = {}
for fieldName in fieldNames:
fieldObject[fieldName] = fieldName
outCSV.writerow(fieldObject)
return [outCSV, out]
def prepareSqlite(out, featureClass, fileType, includeGeometry):
[shp, shpType] = getShp(featureClass)
if shpType == "point":
gType = 1
elif shpType == "multipoint":
gType = 4
elif shpType == "polyline":
gType = 5
elif shpType == "polygon":
gType = 6
fields = listFields(featureClass)
fieldNames = []
fieldNames.append("OGC_FID INTEGER PRIMARY KEY")
if includeGeometry:
fieldNames.append("GEOMETRY blob")
for field in fields:
if (fields[field] != u'OID') and field.lower() != shp.lower():
fieldNames.append(parseFieldType(field, fields[field]))
conn = Connection(out)
c = conn.cursor()
name = splitext(split(out)[1])[0]
c.execute(
"""CREATE TABLE geometry_columns ( f_table_name VARCHAR, f_geometry_column VARCHAR, geometry_type INTEGER, coord_dimension INTEGER, srid INTEGER, geometry_format VARCHAR )"""
)
c.execute(
"""insert into geometry_columns( f_table_name, f_geometry_column, geometry_type, coord_dimension, srid, geometry_format) values(?,?,?,?,?,?)""",
(name, "GEOMETRY", gType, 2, 4326, "WKB"))
c.execute(
"""CREATE TABLE spatial_ref_sys ( srid INTEGER UNIQUE, auth_name TEXT, auth_srid TEXT, srtext TEXT)"""
)
c.execute(
"insert into spatial_ref_sys(srid ,auth_name ,auth_srid ,srtext) values(?,?,?,?)",
(4326, u'EPSG', 4326,
u'GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]'
))
c.execute("create table {0}({1})".format(name, ", ".join(fieldNames)))
return [name, c, conn]