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matrix-spec-proposals/event-schemas/check_examples.py

79 lines
2.2 KiB
Python

#! /usr/bin/env python
import sys
import json
import os
import traceback
def import_error(module, package, debian, error):
sys.stderr.write((
"Error importing %(module)s: %(error)r\n"
"To install %(module)s run:\n"
" pip install %(package)s\n"
"or on Debian run:\n"
" sudo apt-get install python-%(debian)s\n"
) % locals())
if __name__ == '__main__':
sys.exit(1)
try:
import jsonschema
except ImportError as e:
import_error("jsonschema", "jsonschema", "jsonschema", e)
raise
try:
import yaml
except ImportError as e:
import_error("yaml", "PyYAML", "yaml", e)
raise
def check_example_file(examplepath, schemapath):
with open(examplepath) as f:
example = yaml.load(f)
with open(schemapath) as f:
schema = yaml.load(f)
fileurl = "file://" + os.path.abspath(schemapath)
print ("Checking schema for: %r %r" % (examplepath, schemapath))
# Setting the 'id' tells jsonschema where the file is so that it
# can correctly resolve relative $ref references in the schema
schema['id'] = fileurl
try:
jsonschema.validate(example, schema)
except Exception as e:
raise ValueError("Error validating JSON schema for %r %r" % (
examplepath, schemapath
), e)
def check_example_dir(exampledir, schemadir):
errors = []
for root, dirs, files in os.walk(exampledir):
for filename in files:
if filename.startswith("."):
# Skip over any vim .swp files.
continue
examplepath = os.path.join(root, filename)
schemapath = examplepath.replace(exampledir, schemadir)
if schemapath.find("#") >= 0:
schemapath = schemapath[:schemapath.find("#")]
try:
check_example_file(examplepath, schemapath)
except Exception as e:
errors.append(sys.exc_info())
for (exc_type, exc_value, exc_trace) in errors:
traceback.print_exception(exc_type, exc_value, exc_trace)
if errors:
raise ValueError("Error validating examples")
if __name__ == '__main__':
try:
check_example_dir("examples", "schema")
except:
sys.exit(1)