-
Notifications
You must be signed in to change notification settings - Fork 0
/
result.py
76 lines (63 loc) · 2.66 KB
/
result.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
class Result(object):
def __init__(self, obj):
self.obj = obj
return
def _geometry_getter(self, geom_type):
objs = [self.obj]
while len(objs) != 0:
obj = objs.pop()
if type(obj).__name__ == geom_type:
yield obj
elif type(obj).__name__ == "GeometryCollection":
for geom in obj.geometries:
objs.append(geom)
@property
def points(self):
""" Returns a generator yielding all Point objects in the result. """
return self._geometry_getter("Point")
@property
def linestrings(self):
""" Returns a generator yielding all LineString objects in the result. """
return self._geometry_getter("LineString")
@property
def polygons(self):
""" Returns a generator yielding all Polygon objects in the result. """
return self._geometry_getter("Polygon")
@property
def multipoints(self):
""" Returns a generator yielding all MultiPoint objects in the result. """
return self._geometry_getter("MultiPoint")
@property
def multilinestrings(self):
""" Returns a generator yielding all MultiLineString objects in the result. """
return self._geometry_getter("MultiLineString")
@property
def multipolygons(self):
""" Returns a generator yielding all MultiPolygon objects in the result. """
return self._geometry_getter("MultiPolygon")
def features(self, geometry_type=None, properties=None):
""" Returns a generator for Features matching predicates.
Parameters
----------
geometry_type : str
Type of Feature "geometry" member
properties : dict
Mapping of property to value that return values satisfy
"""
if geometry_type is not None and not isinstance(geometry_type, str):
raise TypeError("expected str geometry_type, got {}".format(type(geometry_type)))
objs = [self.obj]
while len(objs) != 0:
obj = objs.pop()
if type(obj).__name__ == "Feature":
typematch = (geometry_type is None) or \
(type(obj.geometry).__name__ == geometry_type)
propmatch = (properties is None) or \
(all(k in obj.properties for k in properties) and
all(obj.properties[k] == v for k, v in properties.items()))
if typematch and propmatch:
yield(obj)
elif type(obj).__name__ == "FeatureCollection":
for feat in obj.features:
objs.append(feat)
GeoJSONResult = Result