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Copy pathparser.py
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92 lines (64 loc) · 2.59 KB
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import json
from typing import Any, Dict, List, Optional
from .models import (
SchemaAllOf,
SchemaAnyOf,
SchemaArray,
SchemaEnum,
SchemaItem,
SchemaObject,
SchemaReference,
SchemaValue,
)
def parse_schema(schema: str) -> List[SchemaItem]:
objects = json.loads(schema).get("definitions", {})
return _parse_items(objects)
def _parse_items(json: Dict[str, Any]) -> List[SchemaItem]:
keys = sorted(json.keys())
return list(filter(None, (_parse_item(name, json[name]) for name in keys)))
def _parse_item(name: str, json: Dict[str, Any]) -> SchemaItem:
parsers = (
_parse_object,
_parse_enum,
_parse_reference,
_parse_array,
_parse_all_of,
_parse_any_of,
_parse_value,
)
values = filter(None, map(lambda p: p(name, json), parsers))
return next(values)
def _parse_object(name: str, json: Dict[str, Any]) -> Optional[SchemaObject]:
if json.get("type", None) == "object":
properties = _parse_items(json.get("properties", {}))
return SchemaObject(name=name, properties=properties)
return None
def _parse_value(name: str, json: Dict[str, Any]) -> SchemaValue:
value_types = json.get("type", None)
if value_types:
value_types = value_types if isinstance(value_types, list) else [value_types]
return SchemaValue(name=name, value_types=value_types)
return SchemaValue(name=name, value_type="any")
def _parse_reference(name: str, json: Dict[str, Any]) -> Optional[SchemaReference]:
if json.get("$ref", None):
reference = json["$ref"].split("#/definitions/")[-1]
return SchemaReference(name=name, reference=reference)
return None
def _parse_enum(name: str, json: Dict[str, Any]) -> Optional[SchemaEnum]:
if json.get("enum", None):
return SchemaEnum(name=name, value_type=json["type"], values=json["enum"])
return None
def _parse_array(name: str, json: Dict[str, Any]) -> Optional[SchemaArray]:
if json.get("type", None) == "array":
return SchemaArray(name=name, item=_parse_item("", json.get("items", {})))
return None
def _parse_all_of(name: str, json: Dict[str, Any]) -> Optional[SchemaAllOf]:
if json.get("allOf", None):
items = [_parse_item(name, item) for item in json["allOf"]]
return SchemaAllOf(name=name, all_of=items)
return None
def _parse_any_of(name: str, json: Dict[str, Any]) -> Optional[SchemaAnyOf]:
if json.get("anyOf", None):
items = [_parse_item(name, item) for item in json["anyOf"]]
return SchemaAnyOf(name=name, any_of=items)
return None