Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/schema_salad/codegen.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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0
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1 """Generate langauge specific loaders for a particular SALAD schema."""
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2 import sys
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3 from io import open
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4 from typing import Any, Dict, List, MutableMapping, Optional
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5
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6 from typing_extensions import Text # pylint: disable=unused-import
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7
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8 from . import schema
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9 from .codegen_base import CodeGenBase
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10 from .exceptions import SchemaSaladException
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11 from .java_codegen import JavaCodeGen
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12 from .python_codegen import PythonCodeGen
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13 from .ref_resolver import Loader # pylint: disable=unused-import
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14 from .schema import shortname
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15 from .utils import aslist
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16
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17 # move to a regular typing import when Python 3.3-3.6 is no longer supported
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18
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19
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20 def codegen(
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21 lang, # type: str
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22 i, # type: List[Dict[Text, Any]]
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23 schema_metadata, # type: Dict[Text, Any]
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24 loader, # type: Loader
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25 target=None, # type: Optional[str]
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26 examples=None, # type: Optional[str]
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27 ): # type: (...) -> None
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28 """Generate classes with loaders for the given Schema Salad description."""
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29
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30 j = schema.extend_and_specialize(i, loader)
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31
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32 gen = None # type: Optional[CodeGenBase]
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33 if lang == "python":
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34 if target:
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35 dest = open(target, mode="w", encoding="utf-8")
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36 else:
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37 dest = sys.stdout
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38 gen = PythonCodeGen(dest)
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39 elif lang == "java":
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40 gen = JavaCodeGen(
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41 schema_metadata.get("$base", schema_metadata.get("id")),
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42 target=target,
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43 examples=examples,
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44 )
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45 else:
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46 raise SchemaSaladException(
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47 "Unsupported code generation language '{}'".format(lang)
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48 )
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49 assert gen is not None
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50
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51 gen.prologue()
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52
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53 document_roots = []
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54
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55 for rec in j:
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56 if rec["type"] in ("enum", "record"):
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57 gen.type_loader(rec)
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58 gen.add_vocab(shortname(rec["name"]), rec["name"])
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59
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60 for rec in j:
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61 if rec["type"] == "enum":
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62 for symbol in rec["symbols"]:
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63 gen.add_vocab(shortname(symbol), symbol)
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64
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65 if rec["type"] == "record":
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66 if rec.get("documentRoot"):
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67 document_roots.append(rec["name"])
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68
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69 field_names = []
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70 for field in rec.get("fields", []):
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71 field_names.append(shortname(field["name"]))
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72
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73 idfield = ""
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74 for field in rec.get("fields", []):
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75 if field.get("jsonldPredicate") == "@id":
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76 idfield = field.get("name")
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77
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78 gen.begin_class(
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79 rec["name"],
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80 aslist(rec.get("extends", [])),
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81 rec.get("doc", ""),
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82 rec.get("abstract", False),
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83 field_names,
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84 idfield,
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85 )
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86 gen.add_vocab(shortname(rec["name"]), rec["name"])
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87
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88 for field in rec.get("fields", []):
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89 if field.get("jsonldPredicate") == "@id":
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90 fieldpred = field["name"]
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91 optional = bool("https://w3id.org/cwl/salad#null" in field["type"])
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92 uri_loader = gen.uri_loader(
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93 gen.type_loader(field["type"]), True, False, None
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94 )
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95 gen.declare_id_field(
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96 fieldpred, uri_loader, field.get("doc"), optional
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97 )
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98 break
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99
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100 for field in rec.get("fields", []):
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101 optional = bool("https://w3id.org/cwl/salad#null" in field["type"])
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102 type_loader = gen.type_loader(field["type"])
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103 jld = field.get("jsonldPredicate")
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104 fieldpred = field["name"]
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105 if isinstance(jld, MutableMapping):
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106 ref_scope = jld.get("refScope")
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107
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108 if jld.get("typeDSL"):
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109 type_loader = gen.typedsl_loader(type_loader, ref_scope)
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110 elif jld.get("_type") == "@id":
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111 type_loader = gen.uri_loader(
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112 type_loader, jld.get("identity", False), False, ref_scope
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113 )
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114 elif jld.get("_type") == "@vocab":
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115 type_loader = gen.uri_loader(
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116 type_loader, False, True, ref_scope
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117 )
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118
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119 map_subject = jld.get("mapSubject")
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120 if map_subject:
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121 type_loader = gen.idmap_loader(
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122 field["name"],
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123 type_loader,
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124 map_subject,
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125 jld.get("mapPredicate"),
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126 )
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127
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128 if "_id" in jld and jld["_id"][0] != "@":
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129 fieldpred = jld["_id"]
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130
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131 if jld == "@id":
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132 continue
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133
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134 gen.declare_field(fieldpred, type_loader, field.get("doc"), optional)
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135
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136 gen.end_class(rec["name"], field_names)
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137
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138 root_type = list(document_roots)
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139 root_type.append({"type": "array", "items": document_roots})
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140
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141 gen.epilogue(gen.type_loader(root_type))