Source code for weaver.app

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Weaver Web Application (``weaver-manager``).
"""

import logging
from typing import TYPE_CHECKING

import yaml

from weaver.config import WEAVER_DEFAULT_REQUEST_OPTIONS_CONFIG, get_weaver_config_file, get_weaver_configuration
from weaver.database import get_db
from weaver.processes.builtin import register_builtin_processes
from weaver.processes.utils import register_cwl_processes_from_config, register_wps_processes_from_config
from weaver.utils import parse_extra_options, setup_cache, setup_loggers
from weaver.wps_restapi.patches import Configurator, patch_pyramid_view_no_auto_head_get_method

if TYPE_CHECKING:
    from typing import Any

    from pyramid.router import Router

    from weaver.typedefs import SettingsType

[docs] LOGGER = logging.getLogger(__name__)
[docs] def main(global_config, **settings): # type: (SettingsType, **Any) -> Router """ Creates a Pyramid WSGI application for Weaver. """ setup_loggers(settings) LOGGER.info("Initiating weaver application") # validate and fix configuration weaver_config = get_weaver_configuration(settings) settings.update({"weaver.configuration": weaver_config}) # Parse extra_options and add each of them in the settings dict LOGGER.info("Parsing extra options...") settings.update(parse_extra_options(settings.get("weaver.extra_options", ""))) # load requests options if found, otherwise skip LOGGER.info("Checking for request options file...") req_file = get_weaver_config_file(settings.get("weaver.request_options", ""), WEAVER_DEFAULT_REQUEST_OPTIONS_CONFIG, generate_default_from_example=False) if req_file: LOGGER.info("Loading request options...") with open(req_file, mode="r", encoding="utf-8") as f: settings.update({"weaver.request_options": yaml.safe_load(f)}) else: LOGGER.warning("No request options found.") # add default caching regions if they were omitted in config file if settings.get("weaver.celery", False): LOGGER.info("Celery runner detected. Skipping cache options setup.") else: LOGGER.info("Adding default caching options...") setup_cache(settings) LOGGER.info("Setup pyramid view configuration...") local_config = Configurator(settings=settings) patch_pyramid_view_no_auto_head_get_method(local_config) LOGGER.info("Setup celery configuration...") if global_config.get("__file__") is not None: local_config.include("pyramid_celery") local_config.configure_celery(global_config["__file__"]) LOGGER.info("Setup Weaver...") local_config.include("weaver") LOGGER.info("Running database migration...") db = get_db(local_config) db.run_migration() if settings.get("weaver.celery", False): LOGGER.info("Celery runner detected. Skipping process registration.") else: LOGGER.info("Registering builtin processes...") register_builtin_processes(local_config) LOGGER.info("Registering WPS-1 processes from configuration file...") register_wps_processes_from_config(local_config) LOGGER.info("Registering CWL processes from configuration directory...") register_cwl_processes_from_config(local_config) return local_config.make_wsgi_app()