python-awips/awips/dataaccess/PyGeometryData.py

82 lines
2.8 KiB
Python

#
# Implements IGeometryData for use by native Python clients to the Data Access
# Framework.
#
#
# SOFTWARE HISTORY
#
# Date Ticket# Engineer Description
# ------------ ---------- ----------- --------------------------
# 06/03/13 dgilling Initial Creation.
# 01/06/14 2537 bsteffen Share geometry WKT.
# 03/19/14 2882 dgilling Raise an exception when getNumber()
# is called for data that is not a
# numeric Type.
# 06/09/16 5574 mapeters Handle 'SHORT' type in getNumber().
# 10/05/18 mjames@ucar Encode/decode string, number val, and type
#
#
from awips.dataaccess import IGeometryData
from awips.dataaccess import PyData
import six
class PyGeometryData(IGeometryData, PyData.PyData):
def __init__(self, geoDataRecord, geometry):
PyData.PyData.__init__(self, geoDataRecord)
self.__geometry = geometry
self.__dataMap = {}
tempDataMap = geoDataRecord.getDataMap()
for key, value in list(tempDataMap.items()):
self.__dataMap[key] = (value[0], value[1], value[2])
def getGeometry(self):
return self.__geometry
def getParameters(self):
if six.PY2:
return list(self.__dataMap.keys())
else:
return [x.decode('utf-8') for x in list(self.__dataMap.keys())]
def getString(self, param):
if six.PY2:
return self.__dataMap[param][0]
value = self.__dataMap[param.encode('utf-8')][0]
if isinstance(value, int):
return str(value)
if value is not None:
return str(value.decode('utf-8'))
return value
def getNumber(self, param):
t = self.getType(param)
if six.PY2:
value = self.__dataMap[param][0]
else:
value = self.__dataMap[param.encode('utf-8')][0]
if t == 'INT' or t == 'SHORT' or t == 'LONG':
return int(value)
elif t == 'FLOAT':
return float(value)
elif t == 'DOUBLE':
return float(value)
else:
raise TypeError("Data for parameter " + param + " is not a numeric type.")
def getUnit(self, param):
if six.PY2:
return self.__dataMap[param][2]
unit = self.__dataMap[param.encode('utf-8')][2]
if unit is not None:
return unit.decode('utf-8')
return unit
def getType(self, param):
if six.PY2:
return self.__dataMap[param][1]
type = self.__dataMap[param.encode('utf-8')][1]
if type is not None:
return type.decode('utf-8')
return type