automatic import of python-district42

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diff --git a/.gitignore b/.gitignore
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+/district42-1.5.1.tar.gz
diff --git a/python-district42.spec b/python-district42.spec
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+%global _empty_manifest_terminate_build 0
+Name:		python-district42
+Version:	1.5.1
+Release:	1
+Summary:	Data description language for defining data models
+License:	Apache-2.0
+URL:		https://github.com/nikitanovosibirsk/district42
+Source0:	https://mirrors.nju.edu.cn/pypi/web/packages/69/26/657c3cc5f5b3e2e52af058297980d6a4c5d20c6fd224a08bdaa03133b58c/district42-1.5.1.tar.gz
+BuildArch:	noarch
+
+Requires:	python3-niltype
+
+%description
+# district42
+
+[![Codecov](https://img.shields.io/codecov/c/github/nikitanovosibirsk/district42/master.svg?style=flat-square)](https://codecov.io/gh/nikitanovosibirsk/district42)
+[![PyPI](https://img.shields.io/pypi/v/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/district42?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![Python Version](https://img.shields.io/pypi/pyversions/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+
+Data description language for defining data models
+
+## Installation
+
+```sh
+pip3 install district42
+```
+
+## Usage
+
+```python
+from district42 import schema
+
+UserSchema = schema.dict({
+    "id": schema.int.min(1),
+    "name": schema.str | schema.none,
+    "is_deleted": schema.bool,
+})
+
+print(UserSchema)
+```
+
+More powerful with:
+- [blahblah](https://github.com/nikitanovosibirsk/blahblah) — Fake data generator
+- [valera](https://github.com/nikitanovosibirsk/valera) — Validator
+- [revolt](https://github.com/nikitanovosibirsk/revolt) — Value substitutor
+
+And [more](https://github.com/topics/district42)
+
+
+## Documentation
+
+* [Documentation](#documentation)
+  * [None](#none)
+    * [schema.none](#schemanone)
+  * [Bool](#bool)
+    * [schema.bool](#schemabool)
+    * [schema.bool(`value`)](#schemaboolvalue)
+  * [Int](#int)
+    * [schema.int](#schemaint)
+    * [schema.int(`value`)](#schemaintvalue)
+    * [schema.int.min(`value`)](#schemaintminvalue)
+    * [schema.int.max(`value`)](#schemaintmaxvalue)
+  * [Float](#float)
+    * [schema.float](#schemafloat)
+    * [schema.float(`value`)](#schemafloatvalue)
+    * [schema.float.min(`value`)](#schemafloatminvalue)
+    * [schema.float.max(`value`)](#schemafloatmaxvalue)
+  * [Str](#str)
+    * [schema.str](#schemastr)
+    * [schema.str.len(`length`)](#schemastrlenlength)
+    * [schema.str.len(`min_length`, `max_length`)](#schemastrlenmin_length-max_length)
+    * [schema.str.alphabet(`letters`)](#schemastralphabetletters)
+    * [schema.str.contains(`substr`)](#schemastrcontainssubstr)
+    * [schema.str.regex(`pattern`)](#schemastrregexpattern)
+  * [List](#list)
+    * [schema.list](#schemalist)
+    * [schema.list(`elements`)](#schemalistelements)
+    * [schema.list(`type`)](#schemalisttype)
+    * [schema.list(`type`).len(`length`)](#schemalisttypelenlength)
+    * [schema.list(`type`).len(`min_length`, `max_length`)](#schemalisttypelenmin_length-max_length)
+  * [Dict](#dict)
+    * [schema.dict](#schemadict)
+    * [schema.dict(`keys`)](#schemadictkeys)
+  * [Any](#any)
+    * [schema.any](#schemaany)
+    * [schema.any(`*types`)](#schemaanytypes)
+  * [Custom Types](#custom-types)
+    * [1. Declare Schema](#1-declare-schema)
+    * [2. Register Representor](#2-register-representor)
+    * [3. Use](#3-use)
+
+### None
+
+#### schema.none
+
+```python
+sch = schema.none
+```
+
+### Bool
+
+#### schema.bool
+
+```python
+sch = schema.bool
+```
+
+#### schema.bool(`value`)
+
+```python
+sch = schema.bool(True)
+```
+
+### Int
+
+#### schema.int
+
+```python
+sch = schema.int
+```
+
+#### schema.int(`value`)
+
+```python
+sch = schema.int(42)
+```
+
+#### schema.int.min(`value`)
+
+```python
+sch = schema.int.min(0)
+```
+
+#### schema.int.max(`value`)
+
+```python
+sch = schema.int.max(0)
+```
+
+### Float
+
+#### schema.float
+
+```python
+sch = schema.float
+```
+
+#### schema.float(`value`)
+
+```python
+sch = schema.float(3.14)
+```
+
+#### schema.float.min(`value`)
+
+```python
+sch = schema.float.min(0.0)
+```
+
+#### schema.float.max(`value`)
+
+```python
+sch = schema.float.max(0.0)
+```
+
+### Str
+
+#### schema.str
+
+```python
+sch = schema.str
+```
+
+#### schema.str.len(`length`)
+
+```python
+sch = schema.str.len(10)
+```
+
+#### schema.str.len(`min_length`, `max_length`)
+
+```python
+sch = schema.str.len(1, ...)
+```
+
+```python
+sch = schema.str.len(..., 32)
+```
+
+```python
+sch = schema.str.len(1, 32)
+```
+
+#### schema.str.alphabet(`letters`)
+
+```python
+digits = "01234567890"
+sch = schema.str.alphabet(digits)
+```
+
+#### schema.str.contains(`substr`)
+
+```python
+sch = schema.str.contains("@")
+```
+
+#### schema.str.regex(`pattern`)
+
+```python
+import re
+sch = schema.str.regex(r"[a-z]+")
+```
+
+### List
+
+#### schema.list
+
+```python
+sch = schema.list
+```
+
+#### schema.list(`elements`)
+
+```python
+sch = schema.list([schema.int(1), schema.int(2)])
+```
+
+#### schema.list(`type`)
+
+```python
+sch = schema.list(schema.int)
+```
+
+#### schema.list(`type`).len(`length`)
+
+```python
+sch = schema.list(schema.int).len(3)
+```
+
+#### schema.list(`type`).len(`min_length`, `max_length`)
+
+```python
+sch = schema.list(schema.int).len(1, ...)
+```
+
+```python
+sch = schema.list(schema.int).len(..., 10)
+```
+
+```python
+sch = schema.list(schema.int).len(1, 10)
+```
+
+### Dict
+
+#### schema.dict
+
+```python
+sch = schema.dict
+```
+
+#### schema.dict(`keys`)
+
+```python
+sch = schema.dict({
+    "id": schema.int,
+    "name": schema.str | schema.none,
+    optional("platform"): schema.str,
+})
+```
+
+### Any
+
+#### schema.any
+
+```python
+sch = schema.any
+```
+
+#### schema.any(`*types`)
+
+```python
+sch = schema.any(schema.str, schema.int)
+```
+
+### Custom Types
+
+#### 1. Declare Schema
+
+```python
+from typing import Any
+from uuid import UUID
+from district42 import Props, SchemaVisitor, SchemaVisitorReturnType as ReturnType
+from district42.types import Schema
+from niltype import Nilable
+
+
+class UUIDProps(Props):
+    @property
+    def value(self) -> Nilable[UUID]:
+        return self.get("value")
+
+
+class UUIDSchema(Schema[UUIDProps]):
+    def __accept__(self, visitor: SchemaVisitor[ReturnType], **kwargs: Any) -> ReturnType:
+        return visitor.visit_uuid(self, **kwargs)
+
+    def __call__(self, /, value: UUID) -> "UUIDSchema":
+        return self.__class__(self.props.update(value=value))
+```
+
+#### 2. Register Representor
+
+```python
+from typing import Any
+from district42.representor import Representor
+from niltype import Nil
+
+
+class UUIDRepresentor(Representor, extend=True):
+    def visit_uuid(self, schema: UUIDSchema, *, indent: int = 0, **kwargs: Any) -> str:
+        r = f"{self._name}.uuid"
+
+        if schema.props.value is not Nil:
+            r += f"({schema.props.value!r})"
+
+        return r
+```
+
+#### 3. Use
+
+```python
+from uuid import uuid4
+from district42 import register_type, schema
+
+register_type("uuid", UUIDSchema)
+
+print(schema.uuid(uuid4()))
+# schema.uuid(UUID('ce80d2b7-cdce-4e24-ab26-00c75471ce78'))
+```
+
+Full code available here: [district42_exp_types/uuid](https://github.com/nikitanovosibirsk/district42-exp-types/tree/master/district42_exp_types/uuid)
+
+
+%package -n python3-district42
+Summary:	Data description language for defining data models
+Provides:	python-district42
+BuildRequires:	python3-devel
+BuildRequires:	python3-setuptools
+BuildRequires:	python3-pip
+%description -n python3-district42
+# district42
+
+[![Codecov](https://img.shields.io/codecov/c/github/nikitanovosibirsk/district42/master.svg?style=flat-square)](https://codecov.io/gh/nikitanovosibirsk/district42)
+[![PyPI](https://img.shields.io/pypi/v/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/district42?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![Python Version](https://img.shields.io/pypi/pyversions/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+
+Data description language for defining data models
+
+## Installation
+
+```sh
+pip3 install district42
+```
+
+## Usage
+
+```python
+from district42 import schema
+
+UserSchema = schema.dict({
+    "id": schema.int.min(1),
+    "name": schema.str | schema.none,
+    "is_deleted": schema.bool,
+})
+
+print(UserSchema)
+```
+
+More powerful with:
+- [blahblah](https://github.com/nikitanovosibirsk/blahblah) — Fake data generator
+- [valera](https://github.com/nikitanovosibirsk/valera) — Validator
+- [revolt](https://github.com/nikitanovosibirsk/revolt) — Value substitutor
+
+And [more](https://github.com/topics/district42)
+
+
+## Documentation
+
+* [Documentation](#documentation)
+  * [None](#none)
+    * [schema.none](#schemanone)
+  * [Bool](#bool)
+    * [schema.bool](#schemabool)
+    * [schema.bool(`value`)](#schemaboolvalue)
+  * [Int](#int)
+    * [schema.int](#schemaint)
+    * [schema.int(`value`)](#schemaintvalue)
+    * [schema.int.min(`value`)](#schemaintminvalue)
+    * [schema.int.max(`value`)](#schemaintmaxvalue)
+  * [Float](#float)
+    * [schema.float](#schemafloat)
+    * [schema.float(`value`)](#schemafloatvalue)
+    * [schema.float.min(`value`)](#schemafloatminvalue)
+    * [schema.float.max(`value`)](#schemafloatmaxvalue)
+  * [Str](#str)
+    * [schema.str](#schemastr)
+    * [schema.str.len(`length`)](#schemastrlenlength)
+    * [schema.str.len(`min_length`, `max_length`)](#schemastrlenmin_length-max_length)
+    * [schema.str.alphabet(`letters`)](#schemastralphabetletters)
+    * [schema.str.contains(`substr`)](#schemastrcontainssubstr)
+    * [schema.str.regex(`pattern`)](#schemastrregexpattern)
+  * [List](#list)
+    * [schema.list](#schemalist)
+    * [schema.list(`elements`)](#schemalistelements)
+    * [schema.list(`type`)](#schemalisttype)
+    * [schema.list(`type`).len(`length`)](#schemalisttypelenlength)
+    * [schema.list(`type`).len(`min_length`, `max_length`)](#schemalisttypelenmin_length-max_length)
+  * [Dict](#dict)
+    * [schema.dict](#schemadict)
+    * [schema.dict(`keys`)](#schemadictkeys)
+  * [Any](#any)
+    * [schema.any](#schemaany)
+    * [schema.any(`*types`)](#schemaanytypes)
+  * [Custom Types](#custom-types)
+    * [1. Declare Schema](#1-declare-schema)
+    * [2. Register Representor](#2-register-representor)
+    * [3. Use](#3-use)
+
+### None
+
+#### schema.none
+
+```python
+sch = schema.none
+```
+
+### Bool
+
+#### schema.bool
+
+```python
+sch = schema.bool
+```
+
+#### schema.bool(`value`)
+
+```python
+sch = schema.bool(True)
+```
+
+### Int
+
+#### schema.int
+
+```python
+sch = schema.int
+```
+
+#### schema.int(`value`)
+
+```python
+sch = schema.int(42)
+```
+
+#### schema.int.min(`value`)
+
+```python
+sch = schema.int.min(0)
+```
+
+#### schema.int.max(`value`)
+
+```python
+sch = schema.int.max(0)
+```
+
+### Float
+
+#### schema.float
+
+```python
+sch = schema.float
+```
+
+#### schema.float(`value`)
+
+```python
+sch = schema.float(3.14)
+```
+
+#### schema.float.min(`value`)
+
+```python
+sch = schema.float.min(0.0)
+```
+
+#### schema.float.max(`value`)
+
+```python
+sch = schema.float.max(0.0)
+```
+
+### Str
+
+#### schema.str
+
+```python
+sch = schema.str
+```
+
+#### schema.str.len(`length`)
+
+```python
+sch = schema.str.len(10)
+```
+
+#### schema.str.len(`min_length`, `max_length`)
+
+```python
+sch = schema.str.len(1, ...)
+```
+
+```python
+sch = schema.str.len(..., 32)
+```
+
+```python
+sch = schema.str.len(1, 32)
+```
+
+#### schema.str.alphabet(`letters`)
+
+```python
+digits = "01234567890"
+sch = schema.str.alphabet(digits)
+```
+
+#### schema.str.contains(`substr`)
+
+```python
+sch = schema.str.contains("@")
+```
+
+#### schema.str.regex(`pattern`)
+
+```python
+import re
+sch = schema.str.regex(r"[a-z]+")
+```
+
+### List
+
+#### schema.list
+
+```python
+sch = schema.list
+```
+
+#### schema.list(`elements`)
+
+```python
+sch = schema.list([schema.int(1), schema.int(2)])
+```
+
+#### schema.list(`type`)
+
+```python
+sch = schema.list(schema.int)
+```
+
+#### schema.list(`type`).len(`length`)
+
+```python
+sch = schema.list(schema.int).len(3)
+```
+
+#### schema.list(`type`).len(`min_length`, `max_length`)
+
+```python
+sch = schema.list(schema.int).len(1, ...)
+```
+
+```python
+sch = schema.list(schema.int).len(..., 10)
+```
+
+```python
+sch = schema.list(schema.int).len(1, 10)
+```
+
+### Dict
+
+#### schema.dict
+
+```python
+sch = schema.dict
+```
+
+#### schema.dict(`keys`)
+
+```python
+sch = schema.dict({
+    "id": schema.int,
+    "name": schema.str | schema.none,
+    optional("platform"): schema.str,
+})
+```
+
+### Any
+
+#### schema.any
+
+```python
+sch = schema.any
+```
+
+#### schema.any(`*types`)
+
+```python
+sch = schema.any(schema.str, schema.int)
+```
+
+### Custom Types
+
+#### 1. Declare Schema
+
+```python
+from typing import Any
+from uuid import UUID
+from district42 import Props, SchemaVisitor, SchemaVisitorReturnType as ReturnType
+from district42.types import Schema
+from niltype import Nilable
+
+
+class UUIDProps(Props):
+    @property
+    def value(self) -> Nilable[UUID]:
+        return self.get("value")
+
+
+class UUIDSchema(Schema[UUIDProps]):
+    def __accept__(self, visitor: SchemaVisitor[ReturnType], **kwargs: Any) -> ReturnType:
+        return visitor.visit_uuid(self, **kwargs)
+
+    def __call__(self, /, value: UUID) -> "UUIDSchema":
+        return self.__class__(self.props.update(value=value))
+```
+
+#### 2. Register Representor
+
+```python
+from typing import Any
+from district42.representor import Representor
+from niltype import Nil
+
+
+class UUIDRepresentor(Representor, extend=True):
+    def visit_uuid(self, schema: UUIDSchema, *, indent: int = 0, **kwargs: Any) -> str:
+        r = f"{self._name}.uuid"
+
+        if schema.props.value is not Nil:
+            r += f"({schema.props.value!r})"
+
+        return r
+```
+
+#### 3. Use
+
+```python
+from uuid import uuid4
+from district42 import register_type, schema
+
+register_type("uuid", UUIDSchema)
+
+print(schema.uuid(uuid4()))
+# schema.uuid(UUID('ce80d2b7-cdce-4e24-ab26-00c75471ce78'))
+```
+
+Full code available here: [district42_exp_types/uuid](https://github.com/nikitanovosibirsk/district42-exp-types/tree/master/district42_exp_types/uuid)
+
+
+%package help
+Summary:	Development documents and examples for district42
+Provides:	python3-district42-doc
+%description help
+# district42
+
+[![Codecov](https://img.shields.io/codecov/c/github/nikitanovosibirsk/district42/master.svg?style=flat-square)](https://codecov.io/gh/nikitanovosibirsk/district42)
+[![PyPI](https://img.shields.io/pypi/v/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![PyPI - Downloads](https://img.shields.io/pypi/dm/district42?style=flat-square)](https://pypi.python.org/pypi/district42/)
+[![Python Version](https://img.shields.io/pypi/pyversions/district42.svg?style=flat-square)](https://pypi.python.org/pypi/district42/)
+
+Data description language for defining data models
+
+## Installation
+
+```sh
+pip3 install district42
+```
+
+## Usage
+
+```python
+from district42 import schema
+
+UserSchema = schema.dict({
+    "id": schema.int.min(1),
+    "name": schema.str | schema.none,
+    "is_deleted": schema.bool,
+})
+
+print(UserSchema)
+```
+
+More powerful with:
+- [blahblah](https://github.com/nikitanovosibirsk/blahblah) — Fake data generator
+- [valera](https://github.com/nikitanovosibirsk/valera) — Validator
+- [revolt](https://github.com/nikitanovosibirsk/revolt) — Value substitutor
+
+And [more](https://github.com/topics/district42)
+
+
+## Documentation
+
+* [Documentation](#documentation)
+  * [None](#none)
+    * [schema.none](#schemanone)
+  * [Bool](#bool)
+    * [schema.bool](#schemabool)
+    * [schema.bool(`value`)](#schemaboolvalue)
+  * [Int](#int)
+    * [schema.int](#schemaint)
+    * [schema.int(`value`)](#schemaintvalue)
+    * [schema.int.min(`value`)](#schemaintminvalue)
+    * [schema.int.max(`value`)](#schemaintmaxvalue)
+  * [Float](#float)
+    * [schema.float](#schemafloat)
+    * [schema.float(`value`)](#schemafloatvalue)
+    * [schema.float.min(`value`)](#schemafloatminvalue)
+    * [schema.float.max(`value`)](#schemafloatmaxvalue)
+  * [Str](#str)
+    * [schema.str](#schemastr)
+    * [schema.str.len(`length`)](#schemastrlenlength)
+    * [schema.str.len(`min_length`, `max_length`)](#schemastrlenmin_length-max_length)
+    * [schema.str.alphabet(`letters`)](#schemastralphabetletters)
+    * [schema.str.contains(`substr`)](#schemastrcontainssubstr)
+    * [schema.str.regex(`pattern`)](#schemastrregexpattern)
+  * [List](#list)
+    * [schema.list](#schemalist)
+    * [schema.list(`elements`)](#schemalistelements)
+    * [schema.list(`type`)](#schemalisttype)
+    * [schema.list(`type`).len(`length`)](#schemalisttypelenlength)
+    * [schema.list(`type`).len(`min_length`, `max_length`)](#schemalisttypelenmin_length-max_length)
+  * [Dict](#dict)
+    * [schema.dict](#schemadict)
+    * [schema.dict(`keys`)](#schemadictkeys)
+  * [Any](#any)
+    * [schema.any](#schemaany)
+    * [schema.any(`*types`)](#schemaanytypes)
+  * [Custom Types](#custom-types)
+    * [1. Declare Schema](#1-declare-schema)
+    * [2. Register Representor](#2-register-representor)
+    * [3. Use](#3-use)
+
+### None
+
+#### schema.none
+
+```python
+sch = schema.none
+```
+
+### Bool
+
+#### schema.bool
+
+```python
+sch = schema.bool
+```
+
+#### schema.bool(`value`)
+
+```python
+sch = schema.bool(True)
+```
+
+### Int
+
+#### schema.int
+
+```python
+sch = schema.int
+```
+
+#### schema.int(`value`)
+
+```python
+sch = schema.int(42)
+```
+
+#### schema.int.min(`value`)
+
+```python
+sch = schema.int.min(0)
+```
+
+#### schema.int.max(`value`)
+
+```python
+sch = schema.int.max(0)
+```
+
+### Float
+
+#### schema.float
+
+```python
+sch = schema.float
+```
+
+#### schema.float(`value`)
+
+```python
+sch = schema.float(3.14)
+```
+
+#### schema.float.min(`value`)
+
+```python
+sch = schema.float.min(0.0)
+```
+
+#### schema.float.max(`value`)
+
+```python
+sch = schema.float.max(0.0)
+```
+
+### Str
+
+#### schema.str
+
+```python
+sch = schema.str
+```
+
+#### schema.str.len(`length`)
+
+```python
+sch = schema.str.len(10)
+```
+
+#### schema.str.len(`min_length`, `max_length`)
+
+```python
+sch = schema.str.len(1, ...)
+```
+
+```python
+sch = schema.str.len(..., 32)
+```
+
+```python
+sch = schema.str.len(1, 32)
+```
+
+#### schema.str.alphabet(`letters`)
+
+```python
+digits = "01234567890"
+sch = schema.str.alphabet(digits)
+```
+
+#### schema.str.contains(`substr`)
+
+```python
+sch = schema.str.contains("@")
+```
+
+#### schema.str.regex(`pattern`)
+
+```python
+import re
+sch = schema.str.regex(r"[a-z]+")
+```
+
+### List
+
+#### schema.list
+
+```python
+sch = schema.list
+```
+
+#### schema.list(`elements`)
+
+```python
+sch = schema.list([schema.int(1), schema.int(2)])
+```
+
+#### schema.list(`type`)
+
+```python
+sch = schema.list(schema.int)
+```
+
+#### schema.list(`type`).len(`length`)
+
+```python
+sch = schema.list(schema.int).len(3)
+```
+
+#### schema.list(`type`).len(`min_length`, `max_length`)
+
+```python
+sch = schema.list(schema.int).len(1, ...)
+```
+
+```python
+sch = schema.list(schema.int).len(..., 10)
+```
+
+```python
+sch = schema.list(schema.int).len(1, 10)
+```
+
+### Dict
+
+#### schema.dict
+
+```python
+sch = schema.dict
+```
+
+#### schema.dict(`keys`)
+
+```python
+sch = schema.dict({
+    "id": schema.int,
+    "name": schema.str | schema.none,
+    optional("platform"): schema.str,
+})
+```
+
+### Any
+
+#### schema.any
+
+```python
+sch = schema.any
+```
+
+#### schema.any(`*types`)
+
+```python
+sch = schema.any(schema.str, schema.int)
+```
+
+### Custom Types
+
+#### 1. Declare Schema
+
+```python
+from typing import Any
+from uuid import UUID
+from district42 import Props, SchemaVisitor, SchemaVisitorReturnType as ReturnType
+from district42.types import Schema
+from niltype import Nilable
+
+
+class UUIDProps(Props):
+    @property
+    def value(self) -> Nilable[UUID]:
+        return self.get("value")
+
+
+class UUIDSchema(Schema[UUIDProps]):
+    def __accept__(self, visitor: SchemaVisitor[ReturnType], **kwargs: Any) -> ReturnType:
+        return visitor.visit_uuid(self, **kwargs)
+
+    def __call__(self, /, value: UUID) -> "UUIDSchema":
+        return self.__class__(self.props.update(value=value))
+```
+
+#### 2. Register Representor
+
+```python
+from typing import Any
+from district42.representor import Representor
+from niltype import Nil
+
+
+class UUIDRepresentor(Representor, extend=True):
+    def visit_uuid(self, schema: UUIDSchema, *, indent: int = 0, **kwargs: Any) -> str:
+        r = f"{self._name}.uuid"
+
+        if schema.props.value is not Nil:
+            r += f"({schema.props.value!r})"
+
+        return r
+```
+
+#### 3. Use
+
+```python
+from uuid import uuid4
+from district42 import register_type, schema
+
+register_type("uuid", UUIDSchema)
+
+print(schema.uuid(uuid4()))
+# schema.uuid(UUID('ce80d2b7-cdce-4e24-ab26-00c75471ce78'))
+```
+
+Full code available here: [district42_exp_types/uuid](https://github.com/nikitanovosibirsk/district42-exp-types/tree/master/district42_exp_types/uuid)
+
+
+%prep
+%autosetup -n district42-1.5.1
+
+%build
+%py3_build
+
+%install
+%py3_install
+install -d -m755 %{buildroot}/%{_pkgdocdir}
+if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
+if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
+if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi
+if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi
+pushd %{buildroot}
+if [ -d usr/lib ]; then
+	find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/lib64 ]; then
+	find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/bin ]; then
+	find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/sbin ]; then
+	find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+touch doclist.lst
+if [ -d usr/share/man ]; then
+	find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst
+fi
+popd
+mv %{buildroot}/filelist.lst .
+mv %{buildroot}/doclist.lst .
+
+%files -n python3-district42 -f filelist.lst
+%dir %{python3_sitelib}/*
+
+%files help -f doclist.lst
+%{_docdir}/*
+
+%changelog
+* Thu May 18 2023 Python_Bot <Python_Bot@openeuler.org> - 1.5.1-1
+- Package Spec generated
diff --git a/sources b/sources
new file mode 100644
index 0000000..ac4ee63
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+89c9355558baad48dfaff57491740dcf  district42-1.5.1.tar.gz