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Merge pull request #299 from nbraud/metaschema

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manifest: Validate schemata before use
This commit is contained in:
Anders Ingemann 2016-03-01 21:56:05 +01:00
commit f7cdc348dc
2 changed files with 159 additions and 0 deletions
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7
bootstrapvz/base/manifest.py
View file

@ -27,6 +27,11 @@ class Manifest(object):
if path is None and data is None: if path is None and data is None:
raise ManifestError('`path\' or `data\' must be provided') raise ManifestError('`path\' or `data\' must be provided')
self.path = path self.path = path
import os.path
self.metaschema = load_data(os.path.normpath(os.path.join(os.path.dirname(__file__),
'metaschema.json')))
self.load_data(data) self.load_data(data)
self.load_modules() self.load_modules()
self.validate() self.validate()
@ -121,7 +126,9 @@ class Manifest(object):
import jsonschema import jsonschema
schema = load_data(schema_path) schema = load_data(schema_path)
try: try:
jsonschema.validate(schema, self.metaschema)
jsonschema.validate(data, schema) jsonschema.validate(data, schema)
except jsonschema.ValidationError as e: except jsonschema.ValidationError as e:
self.validation_error(e.message, e.path) self.validation_error(e.message, e.path)

152
bootstrapvz/base/metaschema.json Normal file
View file

@ -0,0 +1,152 @@
// Core/Validation metaschema: Describes JSON schemata
// http://json-schema.org/schema
{
"id": "http://json-schema.org/draft-04/schema#",
"$schema": "http://json-schema.org/draft-04/schema#",
"description": "Core schema meta-schema",
"definitions": {
"schemaArray": {
"type": "array",
"minItems": 1,
"items": { "$ref": "#" }
},
"positiveInteger": {
"type": "integer",
"minimum": 0
},
"positiveIntegerDefault0": {
"allOf": [ { "$ref": "#/definitions/positiveInteger" }, { "default": 0 } ]
},
"simpleTypes": {
"enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
},
"stringArray": {
"type": "array",
"items": { "type": "string" },
"minItems": 1,
"uniqueItems": true
}
},
"type": "object",
"properties": {
"id": {
"type": "string",
"format": "uri"
},
"$schema": {
"type": "string",
"format": "uri"
},
"title": {
"type": "string"
},
"description": {
"type": "string"
},
"default": {},
"multipleOf": {
"type": "number",
"minimum": 0,
"exclusiveMinimum": true
},
"maximum": {
"type": "number"
},
"exclusiveMaximum": {
"type": "boolean",
"default": false
},
"minimum": {
"type": "number"
},
"exclusiveMinimum": {
"type": "boolean",
"default": false
},
"maxLength": { "$ref": "#/definitions/positiveInteger" },
"minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
"pattern": {
"type": "string",
"format": "regex"
},
"additionalItems": {
"anyOf": [
{ "type": "boolean" },
{ "$ref": "#" }
],
"default": {}
},
"items": {
"anyOf": [
{ "$ref": "#" },
{ "$ref": "#/definitions/schemaArray" }
],
"default": {}
},
"maxItems": { "$ref": "#/definitions/positiveInteger" },
"minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
"uniqueItems": {
"type": "boolean",
"default": false
},
"maxProperties": { "$ref": "#/definitions/positiveInteger" },
"minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
"required": { "$ref": "#/definitions/stringArray" },
"additionalProperties": {
"anyOf": [
{ "type": "boolean" },
{ "$ref": "#" }
],
"default": {}
},
"definitions": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"properties": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"patternProperties": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"dependencies": {
"type": "object",
"additionalProperties": {
"anyOf": [
{ "$ref": "#" },
{ "$ref": "#/definitions/stringArray" }
]
}
},
"enum": {
"type": "array",
"minItems": 1,
"uniqueItems": true
},
"type": {
"anyOf": [
{ "$ref": "#/definitions/simpleTypes" },
{
"type": "array",
"items": { "$ref": "#/definitions/simpleTypes" },
"minItems": 1,
"uniqueItems": true
}
]
},
"allOf": { "$ref": "#/definitions/schemaArray" },
"anyOf": { "$ref": "#/definitions/schemaArray" },
"oneOf": { "$ref": "#/definitions/schemaArray" },
"not": { "$ref": "#" }
},
"dependencies": {
"exclusiveMaximum": [ "maximum" ],
"exclusiveMinimum": [ "minimum" ]
},
"default": {}
}