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
|
"""Generate langauge specific loaders for a particular SALAD schema."""
import sys
from io import TextIOWrapper
from typing import (
Any,
Dict,
List,
MutableMapping,
MutableSequence,
Optional,
TextIO,
Union,
)
from . import schema
from .codegen_base import CodeGenBase
from .exceptions import SchemaSaladException
from .java_codegen import JavaCodeGen
from .python_codegen import PythonCodeGen
from .ref_resolver import Loader
from .schema import shortname
from .utils import aslist
def codegen(
lang: str,
i: List[Dict[str, str]],
schema_metadata: Dict[str, Any],
loader: Loader,
target: Optional[str] = None,
examples: Optional[str] = None,
) -> None:
"""Generate classes with loaders for the given Schema Salad description."""
j = schema.extend_and_specialize(i, loader)
gen = None # type: Optional[CodeGenBase]
if lang == "python":
if target:
dest: Union[TextIOWrapper, TextIO] = open(
target, mode="w", encoding="utf-8"
)
else:
dest = sys.stdout
gen = PythonCodeGen(dest)
elif lang == "java":
gen = JavaCodeGen(
schema_metadata.get("$base", schema_metadata.get("id")),
target=target,
examples=examples,
)
else:
raise SchemaSaladException(f"Unsupported code generation language '{lang}'")
assert gen is not None
gen.prologue()
document_roots = []
for rec in j:
if rec["type"] in ("enum", "record"):
gen.type_loader(rec)
gen.add_vocab(shortname(rec["name"]), rec["name"])
for rec in j:
if rec["type"] == "enum":
for symbol in rec["symbols"]:
gen.add_vocab(shortname(symbol), symbol)
if rec["type"] == "record":
if rec.get("documentRoot"):
document_roots.append(rec["name"])
field_names = []
optional_fields = set()
for field in rec.get("fields", []):
field_name = shortname(field["name"])
field_names.append(field_name)
tp = field["type"]
if (
isinstance(tp, MutableSequence)
and tp[0] == "https://w3id.org/cwl/salad#null"
):
optional_fields.add(field_name)
idfield = ""
for field in rec.get("fields", []):
if field.get("jsonldPredicate") == "@id":
idfield = field.get("name")
gen.begin_class(
rec["name"],
aslist(rec.get("extends", [])),
rec.get("doc", ""),
rec.get("abstract", False),
field_names,
idfield,
optional_fields,
)
gen.add_vocab(shortname(rec["name"]), rec["name"])
for field in rec.get("fields", []):
if field.get("jsonldPredicate") == "@id":
subscope = field.get("subscope")
fieldpred = field["name"]
optional = bool("https://w3id.org/cwl/salad#null" in field["type"])
uri_loader = gen.uri_loader(
gen.type_loader(field["type"]), True, False, None
)
gen.declare_id_field(
fieldpred, uri_loader, field.get("doc"), optional, subscope
)
break
for field in rec.get("fields", []):
optional = bool("https://w3id.org/cwl/salad#null" in field["type"])
type_loader = gen.type_loader(field["type"])
jld = field.get("jsonldPredicate")
fieldpred = field["name"]
subscope = None
if isinstance(jld, MutableMapping):
ref_scope = jld.get("refScope")
if jld.get("typeDSL"):
type_loader = gen.typedsl_loader(type_loader, ref_scope)
elif jld.get("secondaryFilesDSL"):
type_loader = gen.secondaryfilesdsl_loader(type_loader)
elif jld.get("subscope"):
subscope = jld.get("subscope")
elif jld.get("_type") == "@id":
type_loader = gen.uri_loader(
type_loader, jld.get("identity", False), False, ref_scope
)
elif jld.get("_type") == "@vocab":
type_loader = gen.uri_loader(
type_loader, False, True, ref_scope
)
map_subject = jld.get("mapSubject")
if map_subject:
type_loader = gen.idmap_loader(
field["name"],
type_loader,
map_subject,
jld.get("mapPredicate"),
)
if "_id" in jld and jld["_id"][0] != "@":
fieldpred = jld["_id"]
if jld == "@id":
continue
gen.declare_field(fieldpred, type_loader, field.get("doc"), optional)
gen.end_class(rec["name"], field_names)
root_type = list(document_roots)
root_type.append({"type": "array", "items": document_roots})
gen.epilogue(gen.type_loader(root_type))
|
