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87 lines
2.2 KiB
Python
87 lines
2.2 KiB
Python
import abc
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from typing import Optional
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from sqlalchemy.orm import scoped_session
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from galaxy.security.idencoding import IdEncodingHelper
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from galaxy.work.context import (
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GalaxyAbstractRequest,
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GalaxyAbstractResponse,
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)
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from tool_shed.structured_app import ToolShedApp
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from tool_shed.webapp.model import (
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GalaxySession,
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User,
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)
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from tool_shed.webapp.model.mapping import ToolShedModelMapping
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class ProvidesAppContext:
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"""For transaction-like objects to provide the shed convenience layer for
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database and event handling.
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Mixed in class must provide `app` property.
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"""
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@abc.abstractproperty
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def app(self) -> ToolShedApp:
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"""Provide access to the shed ``app`` object."""
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@property
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def security(self) -> IdEncodingHelper:
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return self.app.security
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@property
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def sa_session(self) -> scoped_session:
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"""Provide access to Galaxy's SQLAlchemy session.
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:rtype: galaxy.model.scoped_session.galaxy_scoped_session
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"""
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return self.model.session
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@property
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def model(self) -> ToolShedModelMapping:
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"""Provide access to Tool Shed's model mapping class."""
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return self.app.model
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class ProvidesUserContext(ProvidesAppContext):
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"""For transaction-like objects to provide Galaxy convenience layer for
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reasoning about users.
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Mixed in class must provide `user` and `app`
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properties.
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"""
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@abc.abstractproperty
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def user(self) -> Optional[User]:
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"""Provide access to the user object."""
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@property
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def anonymous(self) -> bool:
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return self.user is None
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@property
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def user_is_admin(self) -> bool:
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return self.app.config.is_admin_user(self.user)
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@property
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def user_is_bootstrap_admin(self) -> bool:
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"""Master key provided so there is no real user"""
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user = self.user
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return not self.anonymous and user is not None and user.bootstrap_admin_user
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class SessionRequestContext(ProvidesUserContext):
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@abc.abstractmethod
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def get_galaxy_session(self) -> Optional[GalaxySession]:
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...
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@abc.abstractproperty
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def request(self) -> GalaxyAbstractRequest:
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...
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@abc.abstractproperty
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def response(self) -> GalaxyAbstractResponse:
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...
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