How to use the typesystem.String function in typesystem

def test_validation_error_repr():
    result = Example.validate_or_error({"a": "a"})
    assert (
        repr(result.error)
        == "ValidationError([Message(text='This field is required.', code='required', index=['b'])])"
    )

    result = typesystem.String(max_length=10).validate_or_error("a" * 100)
    assert (
        repr(result.error)
        == "ValidationError(text='Must have no more than 10 characters.', code='max_length')"
    )

import decimal
import uuid

import pytest

import typesystem
import typesystem.formats


class Person(typesystem.Schema):
    name = typesystem.String(max_length=100, allow_blank=False)
    age = typesystem.Integer()


class Product(typesystem.Schema):
    name = typesystem.String(max_length=100, allow_blank=False)
    rating = typesystem.Integer(default=None)


def test_required():
    class Example(typesystem.Schema):
        field = typesystem.Integer()

    value, error = Example.validate_or_error({})
    assert dict(error) == {"field": "This field is required."}

    class Example(typesystem.Schema):
        field = typesystem.Integer(allow_null=True)

    value, error = Example.validate_or_error({})
    assert dict(value) == {"field": None}

def test_schema_uuid_serialization():
    class User(typesystem.Schema):
        id = typesystem.String(format="uuid")
        username = typesystem.String()

    item = User(id="b769df4a-18ec-480f-89ef-8ea961a82269", username="tom")

    assert item.id == uuid.UUID("b769df4a-18ec-480f-89ef-8ea961a82269")
    assert item["id"] == "b769df4a-18ec-480f-89ef-8ea961a82269"

def isinstance(self, datum):
        if not isinstance(datum, numpy.generic):
            # if not Numpy, check as pure Python
            return typesystem.String(self.charset, self.maxlength).isinstance(datum)
        ok = False
        if self.charset == "bytes":
            ok = isinstance(datum, numpy.string_)
        if self.charset == "utf-32le":
            # Numpy uses utf-32le to encode Unicode (on a little-endian machine, at least)
            ok = isinstance(datum, numpy.unicode_)
        if ok and self.maxlength is not None:
            ok = ok and datum.dtype.itemsize <= self.maxlength
        return ok

enforce_https = typesystem.Boolean(default=False)
    mode = typesystem.Choice(
        choices=(
            ("proxy", "Proxy"),
            ("redirect", "Redirect"),
        ),
        default="proxy",
    )
    certificate_path = typesystem.String(allow_null=True)
    key_path = typesystem.String(allow_null=True)


class Route(BaseSchema):
    DEFAULT_SETTINGS = dict(Settings.validate({}))

    source = typesystem.String()
    target = typesystem.String()
    settings = typesystem.Reference(Settings, default=DEFAULT_SETTINGS)

    @classmethod
    def validate(cls, data):
        if "target" in data.keys():
            data["target"] = ensure_protocol(data["target"])
        return super().validate(data)

"title": typesystem.String(allow_blank=True),
        "description": typesystem.Text(allow_blank=True),
        "termsOfService": typesystem.String(format="url"),
        "contact": typesystem.Reference("Contact", definitions=definitions),
        "license": typesystem.Reference("License", definitions=definitions),
        "version": typesystem.String(allow_blank=True),
    },
    pattern_properties={"^x-": typesystem.Any()},
    additional_properties=False,
    required=["title", "version"],
)

definitions["Contact"] = typesystem.Object(
    properties={
        "name": typesystem.String(allow_blank=True),
        "url": typesystem.String(format="url"),
        "email": typesystem.String(format="email"),
    },
    pattern_properties={"^x-": typesystem.Any()},
    additional_properties=False,
)

definitions["License"] = typesystem.Object(
    properties={"name": typesystem.String(), "url": typesystem.String(format="url")},
    required=["name"],
    pattern_properties={"^x-": typesystem.Any()},
    additional_properties=False,
)

definitions["Paths"] = typesystem.Object(
    pattern_properties={
        "^/": typesystem.Reference("Path", definitions=definitions),

ensure_string(key): value_to_redis(self.fields[key], value)
            for key, value in self.items()
            if value is not None
        }


class Settings(BaseSchema):
    enforce_https = typesystem.Boolean(default=False)
    mode = typesystem.Choice(
        choices=(
            ("proxy", "Proxy"),
            ("redirect", "Redirect"),
        ),
        default="proxy",
    )
    certificate_path = typesystem.String(allow_null=True)
    key_path = typesystem.String(allow_null=True)


class Route(BaseSchema):
    DEFAULT_SETTINGS = dict(Settings.validate({}))

    source = typesystem.String()
    target = typesystem.String()
    settings = typesystem.Reference(Settings, default=DEFAULT_SETTINGS)

    @classmethod
    def validate(cls, data):
        if "target" in data.keys():
            data["target"] = ensure_protocol(data["target"])
        return super().validate(data)

for key, value in self.items()
            if value is not None
        }


class Settings(BaseSchema):
    enforce_https = typesystem.Boolean(default=False)
    mode = typesystem.Choice(
        choices=(
            ("proxy", "Proxy"),
            ("redirect", "Redirect"),
        ),
        default="proxy",
    )
    certificate_path = typesystem.String(allow_null=True)
    key_path = typesystem.String(allow_null=True)


class Route(BaseSchema):
    DEFAULT_SETTINGS = dict(Settings.validate({}))

    source = typesystem.String()
    target = typesystem.String()
    settings = typesystem.Reference(Settings, default=DEFAULT_SETTINGS)

    @classmethod
    def validate(cls, data):
        if "target" in data.keys():
            data["target"] = ensure_protocol(data["target"])
        return super().validate(data)

# coding: utf-8
"""
   여보세요 Form SchemaValidation
"""
import typesystem


class TriggerSchema(typesystem.Schema):
    """
       Schema to define the structure of a Trigger
    """
    description = typesystem.String(title="Description", max_length=200)
    rss_url = typesystem.String(title="RSS URL", max_length=255)

    joplin_folder = typesystem.String(title="Joplin Folder", max_length=80, allow_blank=True)
    reddit = typesystem.String(title="Subreddit", max_length=80, allow_blank=True)
    localstorage = typesystem.String(title="Markdown Folder", allow_blank=True)

    mail = typesystem.Boolean(title="Send a mail ?", default=False)
    mastodon = typesystem.Boolean(title="Publish on Mastodon ?", default=False)
    status = typesystem.Boolean(title="Status", default=False)

import decimal
import typing

import typesystem
from sqlalchemy import orm
from typesystem.unique import Uniqueness


class Decimal(typesystem.Decimal):
    def serialize(self, obj: typing.Any) -> typing.Any:
        return decimal.Decimal(obj) if obj is not None else None


class Email(typesystem.String):
    """ A field that validates an email """

    custom_errors = {"pattern": "Must be a valid email."}

    def __init__(self, **kwargs: typing.Any) -> None:
        kwargs.setdefault(
            "pattern", r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"
        )
        kwargs.setdefault("format", "email")
        self.errors.update(self.custom_errors)
        super().__init__(**kwargs)


class Float(typesystem.Float):
    def serialize(self, obj: typing.Any) -> typing.Any:
        return float(obj) if obj is not None else None