Schematics

nome* idade linguagens
jess 42 [Python, Go, R]
jairo 102 [Python, Go, JavaScript]

Validar dados não tabulares

{
   "nome": "Jess",
   "idade": 42,
   "linguagens": [
      "Python",
      "Go",
      "R"
   ]
}
from schematics.models import Model 
from schematics.types import StringType, ListType, IntType


class Pessoa(Model):
    nome = StringType(required=True)
    idade = IntType()
    linguagens = ListType(StringType)

jess_data = {
       "nome": "Jess",
       "idade": 42,
       "linguagens": [
          "Python",
          "Go",
          "R"
       ]
    }


jess = Pessoa(jess_data)

obj.validate()

pessoa/
├── __init__.py
└── models.py
from pessoa.models import Pessoa

jess_data = {
       "nome": "Jess",
       "idade": 42,
       "linguagens": [
          "Python",
          "Go",
          "R"
       ]
    }

jess = Pessoa(jess_data)

jess.validate() == None

obj.to_native()

from pessoa.models import Pessoa

jess_data = {
       "nome": "Jess",
     }

jess = Pessoa(jess_data)

jess.to_native()

from schematics.models import Model 
from schematics.types import StringType, ListType, IntType


class Pessoa(Model):
    nome = StringType(required=True)
    idade = IntType(serialize_when_none=False)
    linguagens = ListType(StringType,
                          serialize_when_none=False)

from pessoa.models import Pessoa

jess_data = {
       "nome": "Jess",
     }

jess = Pessoa(jess_data)

jess.to_native()

from schematics.models import Model
from schematics.types import StringType, ListType, ModelType, IntType


class Pessoa(Model):
    nome = StringType(required=True,
                      serialize_when_none=False,
                      deserialize_from="name")
    idade = IntType(serialize_when_none=False,
                    deserialize_from="age")
    linguagens = ListType(StringType,
                          serialize_when_none=False,
                          deserialize_from="lang")
from pessoa.models import Pessoa

jess_data = {
       "name": "Jess",
       "age": "42",
       "lang": [
          "Python",
          "Go",
          "R"
       ]
    }

jess = Pessoa(jess_data)

jess.validate() == None

jess.to_native()

from schematics.models import Model
from schematics.types import StringType, ListType, ModelType, IntType


class Pessoa(Model):
    nome = StringType(required=True,
                      serialize_when_none=False,
                      deserialize_from="name",
                      serialized_name="name")
    idade = IntType(serialize_when_none=False,
                    deserialize_from="age",
                    serialized_name="age")
    linguagens = ListType(StringType,
                          serialize_when_none=False,
                          deserialize_from="lang",
                          serialized_name="blabla")

from pessoa.models import Pessoa
jess_data = {
       "name": "Jess",
       "age": "42",
       "lang": [
          "Python",
          "Go",
          "R"
       ]
    }
jess = Pessoa(jess_data)

jess.validate() == None

jess.to_native()

Fields com classe

{
   "name": "Jess",
   "age": "42",
   "lang": [
      "Python",
      "Go",
      "R"
   ],
   "pets": [{
         "name": "Channel",
         "fur": "branca"
      },
      {
         "name": "Cora",
         "fur": "preta"
      }
   ]
}
from schematics.models import Model
from schematics.types import StringType, ListType, ModelType, IntType


class PetType(Model):
    nome = StringType(required=True,
                      deserialize_from="name",
                      serialized_name="name")
    cor = StringType(required=True,
                     deserialize_from="fur",
                     serialized_name="fur")


class Pessoa(Model):
    nome = StringType(required=True,
                      deserialize_from="name",
                      serialized_name="name")
    idade = IntType(serialize_when_none=False,
                    deserialize_from="age",
                    serialized_name="age")
    linguagens = ListType(StringType,
                          serialize_when_none=False,
                          deserialize_from="lang",
                          serialized_name="blabla")
    pets = ListType(ModelType(PetType))
from pessoa.models import Pessoa

jess_data = {
       "name": "Jess",
       "age": "42",
       "lang": [
          "Python",
          "Go",
          "R"
       ],
       "pets": [
        {"name": "cora", "fur": "preta"},
        {"name": "channel", "fur": "branca"}
       ]
    }

jess = Pessoa(jess_data)

jess.validate() == None

@jesstemporal
@pizzadedados

Schematics: Modelando dados de um JSON

By Jessica Temporal

Schematics: Modelando dados de um JSON

Usando a biblioteca Python Schematics para validar dados de um JSON.

  • 540

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