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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
class Field:
NUMERIC = "NUMERIC"
TEXT = "TEXT"
WEIGHT = "WEIGHT"
GEO = "GEO"
TAG = "TAG"
SORTABLE = "SORTABLE"
NOINDEX = "NOINDEX"
AS = "AS"
def __init__(self, name, args=[], sortable=False,
no_index=False, as_name=None):
self.name = name
self.args = args
self.args_suffix = list()
self.as_name = as_name
if sortable:
self.args_suffix.append(Field.SORTABLE)
if no_index:
self.args_suffix.append(Field.NOINDEX)
if no_index and not sortable:
raise ValueError("Non-Sortable non-Indexable fields are ignored")
def append_arg(self, value):
self.args.append(value)
def redis_args(self):
args = [self.name]
if self.as_name:
args += [self.AS, self.as_name]
args += self.args
args += self.args_suffix
return args
class TextField(Field):
"""
TextField is used to define a text field in a schema definition
"""
NOSTEM = "NOSTEM"
PHONETIC = "PHONETIC"
def __init__(
self, name, weight=1.0, no_stem=False, phonetic_matcher=None, **kwargs
):
Field.__init__(self, name,
args=[Field.TEXT, Field.WEIGHT, weight], **kwargs)
if no_stem:
Field.append_arg(self, self.NOSTEM)
if phonetic_matcher and phonetic_matcher in [
"dm:en",
"dm:fr",
"dm:pt",
"dm:es",
]:
Field.append_arg(self, self.PHONETIC)
Field.append_arg(self, phonetic_matcher)
class NumericField(Field):
"""
NumericField is used to define a numeric field in a schema definition
"""
def __init__(self, name, **kwargs):
Field.__init__(self, name, args=[Field.NUMERIC], **kwargs)
class GeoField(Field):
"""
GeoField is used to define a geo-indexing field in a schema definition
"""
def __init__(self, name, **kwargs):
Field.__init__(self, name, args=[Field.GEO], **kwargs)
class TagField(Field):
"""
TagField is a tag-indexing field with simpler compression and tokenization.
See http://redisearch.io/Tags/
"""
SEPARATOR = "SEPARATOR"
def __init__(self, name, separator=",", **kwargs):
Field.__init__(
self, name, args=[Field.TAG, self.SEPARATOR, separator], **kwargs
)
|
