{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Installing hub:\u001b[35m/\u001b[0m\u001b[35m/guardrails/\u001b[0m\u001b[95mregex_match...\u001b[0m\n",
      "✅Successfully installed guardrails/regex_match!\n",
      "\n",
      "\n",
      "Installing hub:\u001b[35m/\u001b[0m\u001b[35m/guardrails/\u001b[0m\u001b[95mvalid_range...\u001b[0m\n",
      "✅Successfully installed guardrails/valid_range!\n",
      "\n",
      "\n"
     ]
    }
   ],
   "source": [
    "! guardrails hub install hub://guardrails/regex_match --quiet\n",
    "! guardrails hub install hub://guardrails/valid_range --quiet"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pydantic import BaseModel, Field\n",
    "from guardrails import Guard, OnFailAction\n",
    "from guardrails.hub import RegexMatch, ValidRange\n",
    "\n",
    "\n",
    "class Person(BaseModel):\n",
    "    name: str\n",
    "    # Existing way of assigning validators\n",
    "    age: int = Field(validators=[ValidRange(0, 100, on_fail=OnFailAction.EXCEPTION)])\n",
    "    is_employed: bool"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Validation failed for field with errors: Value 101 is greater than 100.\n"
     ]
    }
   ],
   "source": [
    "import json\n",
    "from guardrails.errors import ValidationError\n",
    "\n",
    "\n",
    "guard = Guard.for_pydantic(Person)\n",
    "\n",
    "try:\n",
    "    guard.validate(json.dumps({\"name\": \"john doe\", \"age\": 101, \"is_employed\": False}))\n",
    "except ValidationError as e:\n",
    "    print(e)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Validation failed for field with errors: Result must match ^(?:[A-Z][^\\s]*\\s?)+$\n"
     ]
    }
   ],
   "source": [
    "# Now let's add a new validator to the name field\n",
    "\n",
    "guard.use(\n",
    "    RegexMatch(\"^(?:[A-Z][^\\\\s]*\\\\s?)+$\", on_fail=OnFailAction.EXCEPTION), on=\"$.name\"\n",
    ")\n",
    "\n",
    "try:\n",
    "    guard.validate(json.dumps({\"name\": \"john doe\", \"age\": 30, \"is_employed\": True}))\n",
    "except ValidationError as e:\n",
    "    print(e)"
   ]
  }
 ],
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