Migrate to SQLA 2.0.

Author: jmchilton

lib/galaxy/model/__init__.py

@@ -1335,23 +1335,23 @@ def __init__(self, user, token=None):
 class ToolSource(Base, Dictifiable, RepresentById):
     __tablename__ = "tool_source"
 
-    id = Column(Integer, primary_key=True)
-    hash = Column(Unicode(255))
-    source = Column(JSONType)
+    id: Mapped[int] = mapped_column(primary_key=True)
+    hash: Mapped[Optional[str]] = mapped_column(Unicode(255))
+    source: Mapped[dict] = mapped_column(JSONType)
 
 
 class ToolRequest(Base, Dictifiable, RepresentById):
     __tablename__ = "tool_request"
 
-    id = Column(Integer, primary_key=True)
-    tool_source_id = Column(Integer, ForeignKey("tool_source.id"), index=True)
-    history_id = Column(Integer, ForeignKey("history.id"), index=True)
-    request = Column(JSONType)
-    state = Column(TrimmedString(32), index=True)
-    state_message = Column(JSONType, index=True)
+    id: Mapped[int] = mapped_column(primary_key=True)
+    tool_source_id: Mapped[int] = mapped_column(ForeignKey("tool_source.id"), index=True)
+    history_id: Mapped[Optional[int]] = mapped_column(ForeignKey("history.id"), index=True)
+    request: Mapped[dict] = mapped_column(JSONType)
+    state: Mapped[Optional[str]] = mapped_column(TrimmedString(32), index=True)
+    state_message: Mapped[Optional[str]] = mapped_column(JSONType, index=True)
 
-    tool_source = relationship("ToolSource")
-    history = relationship("History", back_populates="tool_requests")
+    tool_source: Mapped["ToolSource"] = relationship()
+    history: Mapped[Optional["History"]] = relationship(back_populates="tool_requests")
 
     class states(str, Enum):
         NEW = "new"