/
generate.py
executable file
·60 lines (47 loc) · 1.88 KB
/
generate.py
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#!/usr/bin/env python3
import importlib
from operator import attrgetter
from pathlib import Path
from pprint import pformat
from textwrap import indent
from types import SimpleNamespace
INCLUDES_DIR = Path(__file__).parent.resolve()
CERBERUS_DIR = INCLUDES_DIR.parent.parent / 'cerberus'
def load_module_members(name, path):
module_spec = importlib.util.spec_from_file_location(name, path)
_module = importlib.util.module_from_spec(module_spec)
module_spec.loader.exec_module(_module)
return vars(_module)
errors_module = load_module_members('errors', CERBERUS_DIR / 'errors.py')
error_type = errors_module['ErrorDefinition']
error_definitions = []
for name, member in errors_module.items():
if not isinstance(member, error_type) or member.rule is None:
continue
error_definition = SimpleNamespace(**member._asdict())
error_definition.name = name
error_definitions.append(error_definition)
error_definitions.sort(key=attrgetter('code'))
with (INCLUDES_DIR / 'error-codes.rst').open('wt') as f:
print("""
.. list-table::
:header-rows: 1
* - Code (dec.)
- Code (hex.)
- Name
- Rule""".lstrip('\n'), file=f)
for error_definition in error_definitions:
print(f"""
* - {error_definition.code}
- {hex(error_definition.code)}
- {error_definition.name}
- {error_definition.rule}""".lstrip('\n'), file=f)
print('Generated table with ErrorDefinitions.')
validator_module = load_module_members('validator', CERBERUS_DIR / 'validator.py')
validator = validator_module['Validator']()
schema_validation_schema = pformat(validator.rules, width=68) # width seems w/o effect, use black?
with (INCLUDES_DIR / 'schema-validation-schema.rst').open('wt') as f:
print('.. code-block:: python\n\n',
indent(schema_validation_schema, ' '),
file=f)
print("Generated schema for a vanilla validator's, well, schema.")