xarray-simlab process class factory

xsimlab_process_class_factory.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [],
   "source": [
    "import attr\n",
    "import xsimlab as xs\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "def create_process(dim):\n",
    "    \n",
    "    @xs.process\n",
    "    class A:\n",
    "        x = xs.index(dims=dim)\n",
    "        \n",
    "        def initialize(self):\n",
    "            self.x = [0, 1, 2, 3]\n",
    "    \n",
    "    return A"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "B = create_process('y')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "__main__.create_process.<locals>.A"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "B"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "C = create_process('z')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "__main__.create_process.<locals>.A"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "C"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<A  (xsimlab process)>\n",
      "Variables:\n",
      "    x          [out] ('y',) \n",
      "Simulation stages:\n",
      "    initialize\n"
     ]
    }
   ],
   "source": [
    "xs.process_info(B)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<A  (xsimlab process)>\n",
      "Variables:\n",
      "    x          [out] ('z',) \n",
      "Simulation stages:\n",
      "    initialize\n"
     ]
    }
   ],
   "source": [
    "xs.process_info(C)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": 118,
   "metadata": {},
   "outputs": [],
   "source": [
    "# do not decorate A with attr.s or xs.process!!\n",
    "\n",
    "class A:\n",
    "    x = xs.index(dims='x')\n",
    "\n",
    "    def initialize(self):\n",
    "        self.x = [0, 1, 2, 3]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 126,
   "metadata": {},
   "outputs": [],
   "source": [
    "def make_process(cls_name, dim):\n",
    "    new_cls = type(cls_name, A.__bases__, dict(A.__dict__))\n",
    "    \n",
    "    new_cls.x.metadata['dims'] = dim\n",
    "    \n",
    "    return xs.process(new_cls)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 133,
   "metadata": {},
   "outputs": [],
   "source": [
    "B = make_process('B', 'y')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 134,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "__main__.B"
      ]
     },
     "execution_count": 134,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "B"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 135,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<B  (xsimlab process)>\n",
      "Variables:\n",
      "    x          [out] y \n",
      "Simulation stages:\n",
      "    initialize\n"
     ]
    }
   ],
   "source": [
    "xs.process_info(B)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 136,
   "metadata": {},
   "outputs": [],
   "source": [
    "C = make_process('C', 'z')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 137,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "__main__.C"
      ]
     },
     "execution_count": 137,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "C"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 138,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<C  (xsimlab process)>\n",
      "Variables:\n",
      "    x          [out] z \n",
      "Simulation stages:\n",
      "    initialize\n"
     ]
    }
   ],
   "source": [
    "xs.process_info(C)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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