Add Schemas for Stock and Flow

src/acsets/acsets.py

@@ -259,15 +259,15 @@ def __init__(
             ob: create_model(
                 ob.name,
                 **{
-                    prop.name: (Union[self.valtype(prop), None], None)
+                    prop.name: (Union[self.valtype(prop), None], Field(title=ob.title, description=ob.description))
                     for prop in self.props_outof(ob)
                 },
             )
             for ob in obs
         }
         self.ob_models = ob_models
         self.model = create_model(
-            self.name, **{ob.name: (list[ob_models[ob]], ...) for ob in self.obs}  # type: ignore
+            self.name, **{ob.name: (list[ob_models[ob]], Field(default_factory=list)) for ob in self.obs}  # type: ignore
         )
 
     def valtype(self, prop: Property):

src/acsets/schemas/catlab/StockFlow.json

@@ -0,0 +1,184 @@
+{
+  "version": {
+    "ACSets": "0.0.0",
+    "ACSetSchema": "0.0.1",
+    "Catlab": "0.0.0"
+  },
+  "Ob": [
+    {
+      "title": "Stocks",
+      "description": "A variable in the model",
+      "name": "S"
+    },
+    {
+      "title": "Sum Aux",
+      "description": "Sum Auxiliary Variable",
+      "name": "SV"
+    },
+    {
+      "title": "Linkage",
+      "description": null,
+      "name": "LS"
+    },
+    {
+      "title": "Flow",
+      "description": "A flow between stocks",
+      "name": "F"
+    },
+    {
+      "title": "Input",
+      "description": "The input arcs",
+      "name": "I"
+    },
+    {
+      "title": "Output",
+      "description": "The output arcs",
+      "name": "O"
+    },
+    {
+      "title": "Variable?",
+      "description": null,
+      "name": "V"
+    },
+    {
+      "title": "Linkage Variable?",
+      "description": null,
+      "name": "LV"
+    },
+    {
+      "title": "Linkage Sum Variables?",
+      "description": null,
+      "name": "LSV"
+    }
+  ],
+  "Hom": [
+    {
+      "title": "LS to stock",
+      "description": null,
+      "name": "lss",
+      "codom": "S",
+      "dom": "LS"
+    },
+    {
+      "title": "LS to SV",
+      "description": null,
+      "name": "lssv",
+      "codom": "SV",
+      "dom": "LS"
+    },
+    {
+      "title": "Input to Function",
+      "description": null,
+      "name": "ifn",
+      "codom": "F",
+      "dom": "I"
+    },
+    {
+      "title": "Input variable",
+      "description": null,
+      "name": "is",
+      "codom": "S",
+      "dom": "I"
+    },
+    {
+      "title": "Output of Function",
+      "description": null,
+      "name": "ofn",
+      "codom": "F",
+      "dom": "O"
+    },
+    {
+      "title": "Output Variable",
+      "description": null,
+      "name": "os",
+      "codom": "S",
+      "dom": "O"
+    },
+    {
+      "title": "Variable Result of Function",
+      "description": null,
+      "name": "fv",
+      "codom": "V",
+      "dom": "F"
+    },
+    {
+      "title": "S of V",
+      "description": null,
+      "name": "lvs",
+      "codom": "S",
+      "dom": "LV"
+    },
+    {
+      "title": "V of LV",
+      "description": null,
+      "name": "lvv",
+      "codom": "V",
+      "dom": "LV"
+    },
+    {
+      "title": "SV of LSV",
+      "description": null,
+      "name": "lsvsv",
+      "codom": "SV",
+      "dom": "LSV"
+    },
+    {
+      "title": "V of LSV",
+      "description": null,
+      "name": "lsvv",
+      "codom": "V",
+      "dom": "LSV"
+    }
+  ],
+  "AttrType": [
+    {
+      "name": "Name",
+      "title": "Name of Entity",
+      "description": null,
+      "ty": "str"
+    },
+    {
+      "name": "FuncDynam",
+      "title": "Dynamics Function",
+      "description": null,
+      "ty": "str"
+    }
+  ],
+  "Attr": [
+    {
+      "title": "Stock Name",
+      "description": null,
+      "name": "sname",
+      "codom": "Name",
+      "dom": "S"
+    },
+    {
+      "title": "SV Name",
+      "description": null,
+      "name": "svname",
+      "codom": "Name",
+      "dom": "SV"
+    },
+    {
+      "title": "Function Name",
+      "description": null,
+      "name": "fname",
+      "codom": "Name",
+      "dom": "F"
+    },
+    {
+      "title": "Variable Name",
+      "description": null,
+      "name": "vname",
+      "codom": "Name",
+      "dom": "V"
+    },
+    {
+      "title": "Dynamics Function of Variable",
+      "description": null,
+      "name": "funcDynam",
+      "codom": "FuncDynam",
+      "dom": "V"
+    }
+  ]
+}

src/acsets/schemas/catlab/StockFlowp.json

@@ -0,0 +1,91 @@
+{
+  "version": {
+    "ACSets": "0.0.0",
+    "ACSetSchema": "0.0.1",
+    "Catlab": "0.0.0"
+  },
+  "Ob": [
+    {
+      "name": "Flow",
+      "title": "Flow",
+      "description": null
+    },
+    {
+      "name": "Stock",
+      "title": "Stock",
+      "description": null
+    },
+    {
+      "name": "Link",
+      "title": "Link",
+      "description": null
+    }
+  ],
+  "Hom": [
+    {
+      "name": "u",
+      "codom": "Stock",
+      "dom": "Flow",
+      "title": "upstream",
+      "description": null
+    },
+    {
+      "name": "d",
+      "codom": "Stock",
+      "dom": "Flow",
+      "title": "downstream",
+      "description": null
+    },
+    {
+      "name": "s",
+      "codom": "Stock",
+      "dom": "Link",
+      "title": "source",
+      "description": null
+    },
+    {
+      "name": "t",
+      "codom": "Flow",
+      "dom": "Link",
+      "title": "target",
+      "description": null
+    }
+  ],
+  "AttrType": [
+    {
+      "name": "Name",
+      "title": "Names",
+      "description": "Name of an entity in the model.",
+      "ty": "str"
+    },
+    {
+      "name": "FuncFlow",
+      "title": "Flow Functions",
+      "description": "A representation of the flow function. Currently a math expression in string form.",
+      "ty": "str"
+    }
+  ],
+  "Attr": [
+    {
+      "title": "Stock Name",
+      "description": null,
+      "name": "sname",
+      "codom": "Name",
+      "dom": "Stock"
+    },
+    {
+      "title": "Flow Name",
+      "description": null,
+      "name": "fname",
+      "codom": "Name",
+      "dom": "Flow"
+    },
+    {
+      "title": "Flow Function",
+      "description": null,
+      "name": "ϕf",
+      "codom": "FuncFlow",
+      "dom": "Flow"
+    }
+  ]
+}

src/acsets/schemas/examples/StockFlowp.json

@@ -0,0 +1,49 @@
+{
+  "Flow": [
+    {
+      "_id": 1,
+      "u": 1,
+      "d": 2,
+      "fname": "NewIncidence",
+      "ϕf": "p.cβ*u.S*u.I/p.N"
+    },
+    {
+      "_id": 2,
+      "u": 2,
+      "d": 3,
+      "fname": "NewRecovery",
+      "ϕf": "(u.I/p.tr)"
+    }
+  ],
+  "Stock": [
+    {
+      "_id": 1,
+      "sname": "S"
+    },
+    {
+      "_id": 2,
+      "sname": "I"
+    },
+    {
+      "_id": 3,
+      "sname": "R"
+    }
+  ],
+  "Link": [
+    {
+      "_id": 1,
+      "s": 1,
+      "t": 1
+    },
+    {
+      "_id": 2,
+      "s": 2,
+      "t": 1
+    },
+    {
+      "_id": 3,
+      "s": 2,
+      "t": 2
+    }
+  ]
+}