def getter(latfield, lonfield):
"""Build a field getter for (latitude, longitude) coordinates.
:type latfield, lonfield: :class:`str` or :class:`int` or :class:`function`
:param latfield, lonfield: how to :func:`sim.getvalue` the fields
:param record: Record from which to retrieve values.
>>> from functools import partial
>>> from collections import namedtuple
>>> Record = namedtuple("Record", ("FullName", "Lon", "Lat", "Phone"))
>>> rec = Record("Joe Bloggs", "10.0", "20.0", "555 1234")
>>> getter = getter("Lat", "Lon")
>>> getter(rec)
(20.0, 10.0)
"""
import dedupe.get as get
latget = get.getter(latfield)
longet = get.getter(lonfield)
def geoget(record):
"""Get (lat,lon) from a record"""
try:
lat = float(latget(record))
lon = float(longet(record))
except ValueError:
return None
return (lat, lon)
return geoget
def __init__(
self, compare, field1, encode1=None, field2=None, encode2=None):
from dedupe.get import getter
self.compare = compare
self.field1 = getter(field1)
self.encode1 = encode1 if encode1 else lambda x: x
self.field2 = getter(field2) if field2 else self.field1
self.encode2 = encode2 if encode2 else self.encode1
def __init__(self, field, converter):
from dedupe.get import getter
self.field = field
self.getter = getter(field)
self.converter = converter
