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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
import difflib
from pathlib import Path
from textwrap import dedent
from rdflib import Graph, Namespace
from rdflib.namespace import GEO, SDO
def test_longturtle():
"""Compares the output of a longturtle graph serialization to a fixed, hand-typed, target
to test most of the longtertle differences to regular turtle
Includes basic triples, Blank Nodes - 2-levels deep - Collections and so on"""
# load graph with data
g = Graph().parse(
data="""
{
"@context": {
"cn": "https://linked.data.gov.au/def/cn/",
"sdo": "https://schema.org/",
"Organization": "sdo:Organization",
"Person": "sdo:Person",
"Place": "sdo:Place",
"PostalAddress": "sdo:PostalAddress",
"address": "sdo:address",
"addressLocality": "sdo:addressLocality",
"addressRegion": "sdo:addressRegion",
"postalCode": "sdo:postalCode",
"addressCountry": "sdo:addressCountry",
"streetAddress": "sdo:streetAddress",
"age": "sdo:age",
"alternateName": "sdo:alternateName",
"geo": "sdo:geo",
"hasPart": "sdo:hasPart",
"identifier": "sdo:identifier",
"location": "sdo:location",
"name": "sdo:name",
"polygon": "sdo:polygon",
"value": "http://www.w3.org/1999/02/22-rdf-syntax-ns#value",
"wktLiteral": "http://www.opengis.net/ont/geosparql#wktLiteral",
"worksFor": "sdo:worksFor"
},
"@graph": [
{
"@id": "https://kurrawong.ai",
"@type": "Organization",
"location": {
"@id": "https://kurrawong.ai/hq"
}
},
{
"@id": "https://kurrawong.ai/hq",
"@type": "Place",
"address": {
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab8"
},
"geo": {
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab13"
},
"name": "KurrawongAI HQ"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab8",
"@type": "PostalAddress",
"addressCountry": {
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab12"
},
"addressLocality": "Shorncliffe",
"addressRegion": "QLD",
"postalCode": 4017,
"streetAddress": {
"@list": [
72,
"Yundah",
"Street"
]
}
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab12",
"identifier": "au",
"name": "Australia"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab13",
"polygon": {
"@type": "wktLiteral",
"@value": "POLYGON((153.082403 -27.325801, 153.08241 -27.32582, 153.082943 -27.325612, 153.083010 -27.325742, 153.083543 -27.325521, 153.083456 -27.325365, 153.082403 -27.325801))"
}
},
{
"@id": "http://example.com/nicholas",
"@type": "Person",
"age": 41,
"alternateName": [
"Nick Car",
"N.J. Car",
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab1"
}
],
"name": {
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab2"
},
"worksFor": {
"@id": "https://kurrawong.ai"
}
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab1",
"name": "Dr N.J. Car"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab2",
"@type": "cn:CompoundName",
"hasPart": [{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab3"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab4"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab5"
}
]
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab3",
"@type": "cn:CompoundName",
"value": "Nicholas"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab4",
"@type": "cn:CompoundName",
"value": "John"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab5",
"@type": "cn:CompoundName",
"hasPart": [{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab6"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab7"
}
]
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab6",
"@type": "cn:CompoundName",
"value": "Car"
},
{
"@id": "_:n6924e85bfee648a4a45bac9f4ab9909ab7",
"@type": "cn:CompoundName",
"value": "Maxov"
}
]
}
""",
format="application/ld+json",
)
# declare a few namespaces for Turtle
g.bind("ex", Namespace("http://example.com/"))
g.bind("geo", GEO)
g.bind("cn", Namespace("https://linked.data.gov.au/def/cn/"))
g.bind("sdo", SDO)
# run the long turtle serializer
output = g.serialize(format="longturtle", canon=True)
# fix the target
current_dir = Path.cwd() # Get the current directory
target_file_path = current_dir / "test/data/longturtle" / "longturtle-target.ttl"
with open(target_file_path, encoding="utf-8") as file:
target = file.read()
# compare output to target
# - any differences will produce output
diff = "\n".join(list(difflib.unified_diff(target.split("\n"), output.split("\n"))))
assert not diff, diff
def test_longturtle_undeclared_prefix_when_using_base():
"""
See https://github.com/RDFLib/rdflib/issues/3160
"""
from rdflib import Graph, Literal, URIRef
g = Graph()
g.add(
(
URIRef("https://example.com/subject"),
URIRef("https://example.com/p/predicate"),
Literal("object"),
)
)
output = g.serialize(format="longturtle", base="https://example.com/")
expected = dedent(
"""
BASE <https://example.com/>
PREFIX ns1: <https://example.com/p/>
<subject>
ns1:predicate "object" ;
.
"""
)
assert output.strip() == expected.strip()
|
