def run_model_server(model: Model, server: Server = None):
"""
:func:`.start_runtime` wrapper helper which starts Ebonite runtime for given model and (optional) server
:param model: model to start Ebonite runtime for
:param server: server to use for Ebonite runtime, default is a flask-based server
:return: nothing
"""
if server is None:
if module_importable('aiohttp') and module_importable(
'aiohttp_swagger'):
from ebonite.ext.aiohttp import AIOHTTPServer
server = AIOHTTPServer()
elif module_importable('flask') and module_importable('flasgger'):
from ebonite.ext.flask import FlaskServer
server = FlaskServer()
else:
raise RuntimeError(
'You need to install flask and flasgger to use test flask server'
)
class MockLoader(ModelLoader):
def load(self) -> Interface:
model.ensure_loaded()
return model_interface(model)
start_runtime(MockLoader(), server)
def build_model_docker(image_name: str, model: 'core.Model', server: Server = None,
image_tag='latest', force_overwrite=False, **kwargs):
"""
Builds docker image from Model instance
:param image_name: docker image name to create
:param model: model to create image
:param server: server instance to wrap model
:param image_tag: docker image tag
:param force_overwrite: force overwrite image if it exists
:param kwargs: same as in DockerBuilder.__init__
"""
if server is None:
from ebonite.ext.flask import FlaskServer
server = FlaskServer()
if not module_importable('docker'):
raise RuntimeError("Can't build docker container: docker module is not installed. Install it "
"with 'pip install docker'")
from ebonite.build.builder.docker_builder import DockerBuilder, is_docker_running
if not is_docker_running():
raise RuntimeError("Docker is unavailable")
provider = MLModelProvider(model, server)
builder = DockerBuilder(provider, image_name, image_tag, force_overwrite, **kwargs)
builder.build()
def get_default_environment(self):
"""
Creates (if needed) and returns default runtime environment
:return: saved instance of :class:`.RuntimeEnvironment`
"""
if self.default_env is not None:
return self.default_env
env_name = 'docker_localhost'
self.default_env = self.get_environment(env_name)
if self.default_env is None:
if not module_importable('docker'):
raise RuntimeError("Can't build docker container: docker module is not installed. Install it "
"with 'pip install docker'")
from ebonite.ext.docker import DockerEnv
self.default_env = RuntimeEnvironment(env_name, params=DockerEnv())
self.default_env = self.push_environment(self.default_env)
return self.default_env
def load_all(cls, try_lazy=True):
"""
Load all (builtin and additional) extensions
:param try_lazy: if `False`, use force load for all builtin extensions
"""
for_hook = []
for ext in cls.builtin_extensions.values():
if not try_lazy or hasattr(sys, 'frozen') or ext.force:
if all(module_importable(r) for r in ext.reqs):
cls.load(ext)
else:
if all(module_imported(r) for r in ext.reqs):
cls.load(ext)
else:
for_hook.append(ext)
cls._setup_import_hook(for_hook)
for mod in Core.ADDITIONAL_EXTENSIONS:
cls.load(mod)
