halfapi/halfapi/lib/schemas.py
2022-03-16 13:09:50 +01:00

113 lines
3.1 KiB
Python

""" Schemas module
Functions :
- schema_json
- schema_dict_dom
- get_acls
Constant :
SCHEMAS (starlette.schemas.SchemaGenerator)
"""
import os
import importlib
from typing import Dict, Coroutine, List
from types import ModuleType
from starlette.schemas import SchemaGenerator
from .. import __version__
from ..logging import logger
from .routes import api_routes
from .responses import ORJSONResponse
SCHEMAS = SchemaGenerator(
{"openapi": "3.0.0", "info": {"title": "HalfAPI", "version": __version__}}
)
async def schema_json(request, *args, **kwargs):
"""
description: Returns the current API routes description (OpenAPI v3)
as a JSON object
"""
return ORJSONResponse(
SCHEMAS.get_schema(routes=request.app.routes))
def schema_csv_dict(csv: List[str], prefix='/') -> Dict:
package = None
schema_d = {}
modules_d = {}
acl_modules_d = {}
for line in csv:
if not line:
continue
path, verb, router, acl_fct_name, args_req, args_opt, out = line.strip().split(';')
logger.info('schema_csv_dict %s %s %s', path, args_req, args_opt)
path = f'{prefix}{path}'
if path not in schema_d:
schema_d[path] = {}
if verb not in schema_d[path]:
mod_str = router.split(':')[0]
fct_str = router.split(':')[1]
if mod_str not in modules_d:
modules_d[mod_str] = importlib.import_module(mod_str)
if not hasattr(modules_d[mod_str], fct_str):
raise Exception(
'Missing function in module. module:{} function:{}'.format(
router, fct_str
)
)
fct = getattr(modules_d[mod_str], fct_str)
schema_d[path][verb] = {
'module': modules_d[mod_str],
'fct': fct,
'acls': []
}
if package and router.split('.')[0] != package:
raise Exception('Multi-domain is not allowed in that mode')
package = router.split('.')[0]
if not len(package):
raise Exception(
'Empty package name (router=%s)'.format(router))
acl_package = f'{package}.acl'
if acl_package not in acl_modules_d:
if acl_package not in modules_d:
modules_d[acl_package] = importlib.import_module(acl_package)
if not hasattr(modules_d[acl_package], acl_fct_name):
raise Exception(
'Missing acl function in module. module:{} acl:{}'.format(
acl_package, acl_fct_name
)
)
acl_modules_d[acl_package] = {}
acl_modules_d[acl_package][acl_fct_name] = getattr(modules_d[acl_package], acl_fct_name)
schema_d[path][verb]['acls'].append({
'acl': acl_modules_d[acl_package][acl_fct_name],
'args': {
'required': set(args_req.split(',')) if len(args_req) else set(),
'optional': set(args_opt.split(',')) if len(args_opt) else set()
}
})
return schema_d