135 lines
4.2 KiB
Python
Executable File
135 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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import json
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import os
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import traceback
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def import_error(module, package, debian, error):
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sys.stderr.write((
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"Error importing %(module)s: %(error)r\n"
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"To install %(module)s run:\n"
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" pip install %(package)s\n"
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"or on Debian run:\n"
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" sudo apt-get install python-%(debian)s\n"
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) % locals())
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if __name__ == '__main__':
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sys.exit(1)
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try:
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import jsonschema
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except ImportError as e:
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import_error("jsonschema", "jsonschema", "jsonschema", e)
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raise
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try:
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import yaml
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except ImportError as e:
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import_error("yaml", "PyYAML", "yaml", e)
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raise
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def load_file(path):
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print("Loading reference: %s" % path)
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if not path.startswith("file://"):
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raise Exception("Bad ref: %s" % (path,))
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path = path[len("file://"):]
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with open(path, "r") as f:
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if path.endswith(".json"):
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return json.load(f)
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else:
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# We have to assume it's YAML because some of the YAML examples
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# do not have file extensions.
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return yaml.load(f)
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def resolve_references(path, schema):
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if isinstance(schema, dict):
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# do $ref first
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if '$ref' in schema:
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value = schema['$ref']
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path = os.path.abspath(os.path.join(os.path.dirname(path), value))
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ref = load_file("file://" + path)
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result = resolve_references(path, ref)
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del schema['$ref']
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else:
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result = {}
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for key, value in schema.items():
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result[key] = resolve_references(path, value)
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return result
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elif isinstance(schema, list):
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return [resolve_references(path, value) for value in schema]
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else:
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return schema
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def check_example_file(examplepath, schemapath):
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with open(examplepath) as f:
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example = resolve_references(examplepath, json.load(f))
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with open(schemapath) as f:
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schema = yaml.load(f)
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fileurl = "file://" + os.path.abspath(schemapath)
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schema["id"] = fileurl
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resolver = jsonschema.RefResolver(schemapath, schema, handlers={"file": load_file})
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print ("Checking schema for: %r %r" % (examplepath, schemapath))
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try:
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jsonschema.validate(example, schema, resolver=resolver)
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except Exception as e:
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raise ValueError("Error validating JSON schema for %r %r" % (
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examplepath, schemapath
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), e)
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def check_example_dir(exampledir, schemadir):
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errors = []
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for root, dirs, files in os.walk(exampledir):
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for filename in files:
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if filename.startswith("."):
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# Skip over any vim .swp files.
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continue
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if filename.endswith(".json"):
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# Skip over any explicit examples (partial event definitions)
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continue
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cwd = os.path.basename(os.path.dirname(os.path.join(root, filename)))
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if cwd == "core":
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# Skip checking the underlying definitions
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continue
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examplepath = os.path.join(root, filename)
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schemapath = examplepath.replace(exampledir, schemadir)
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if schemapath.find("$") >= 0:
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schemapath = schemapath[:schemapath.find("$")]
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try:
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check_example_file(examplepath, schemapath)
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except Exception as e:
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errors.append(sys.exc_info())
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for (exc_type, exc_value, exc_trace) in errors:
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traceback.print_exception(exc_type, exc_value, exc_trace)
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if errors:
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raise ValueError("Error validating examples")
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if __name__ == '__main__':
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try:
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check_example_dir("examples", "schema")
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except:
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sys.exit(1)
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