openflexure-microscope-server/openflexure_microscope/common/flask_labthings/find.py
2020-01-05 18:56:46 +00:00

50 lines
1.3 KiB
Python

import logging
from flask import current_app
from . import EXTENSION_NAME
def current_labthing():
app = current_app._get_current_object()
if not app:
return None
logging.debug("Active app extensions:")
logging.debug(app.extensions)
logging.debug("Active labthing:")
logging.debug(app.extensions[EXTENSION_NAME])
return app.extensions[EXTENSION_NAME]
def registered_extensions(labthing_instance=None):
if not labthing_instance:
labthing_instance = current_labthing()
return labthing_instance.extensions
def registered_devices(labthing_instance=None):
if not labthing_instance:
labthing_instance = current_labthing()
return labthing_instance.devices
def find_device(device_name, labthing_instance=None):
if not labthing_instance:
labthing_instance = current_labthing()
if device_name in labthing_instance.devices:
return labthing_instance.devices[device_name]
else:
return None
def find_extension(extension_name, labthing_instance=None):
if not labthing_instance:
labthing_instance = current_labthing()
logging.debug("Current labthing:")
logging.debug(current_labthing())
if extension_name in labthing_instance.extensions:
return labthing_instance.extensions[extension_name]
else:
return None