# nonemptystr
[](https://pypi.org/project/nonemptystr/)
[](https://pypi.org/project/nonemptystr/)
[](https://github.com/psf/black)
[](https://github.com/nekonoshiri/nonemptystr/blob/main/LICENSE)
Non-empty string.
## Usage
```sh
pip install nonemptystr
```
```Python
from nonemptystr import EmptyString, nonemptystr
name: nonemptystr = nonemptystr("John")
try:
name = nonemptystr("")
except EmptyString:
print("The name is empty.")
```
### ... with [pydantic](https://github.com/pydantic/pydantic)
```sh
pip install nonemptystr, pydantic
```
```Python
from nonemptystr import nonemptystr
from pydantic import BaseModel, ValidationError
class Request(BaseModel):
user_id: nonemptystr
try:
request = Request.model_validate({"user_id": ""})
print(f"user_id: {request.user_id}")
except ValidationError:
print("user_id is empty")
```
## API
### Module `nonemptystr`
#### *class* `nonemptystr(obj: object)`
Subclass of `str`.
Raise `EmptyString` exception if `str(obj)` is empty string.
#### *class* `EmptyString`
Subclass of `ValueError`.
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