python-autoviv 0.0.3

Autovivification for Python

python-autoviv

The Autovivification library for Python

Installation

Add this line to your application's requirements.txt:

python-autoviv

And then execute:

$ pip install -r requirements.txt

Or install it yourself as:

$ pip install python-autoviv

Usage

Import autoviv and call parse on any list, dict, or primitive. You can also call loads on serialized JSON

>>> import autoviv
>>> import requests
>>> r = requests.get('http://jsonplaceholder.typicode.com/users')
>>> users = autoviv.parse(r.json())
>>> # or
... users = autoviv.loads(r.text)
>>> for user in users:
...     print(user.name)
...
Leanne Graham
Ervin Howell
Clementine Bauch
Patricia Lebsack
Chelsey Dietrich
Mrs. Dennis Schulist
Kurtis Weissnat
Nicholas Runolfsdottir V
Glenna Reichert
Clementina DuBuque
>>> user = users[0]
>>> print(autoviv.pprint(user, indent=4))
{
    "username": "Bret",
    "website": "hildegard.org",
    "name": "Leanne Graham",
    "company": {
        "bs": "harness real-time e-markets",
        "name": "Romaguera-Crona",
        "catchPhrase": "Multi-layered client-server neural-net"
    },
    "id": 1,
    "phone": "1-770-736-8031 x56442",
    "address": {
        "suite": "Apt. 556",
        "street": "Kulas Light",
        "geo": {
            "lat": "-37.3159",
            "lng": "81.1496"
        },
        "zipcode": "92998-3874",
        "city": "Gwenborough"
    },
    "email": "[e-mail]"
}
>>> user.name = 'auto-vivification'
>>> r = requests.put('http://jsonplaceholder.typicode.com/users/{0}'.format(user.id), json=user)
>>> response = autoviv.parse(r.json())
>>> print(response.name)
auto-vivification
>>> new = autoviv.parse({})
>>> new.id = 5
>>> if not new.username:
...     new.username = 'New User'
...
>>> new.address.geo.lat = "-42.3433"
>>> new.address.geo.lng = "74.3433"
>>> new.email = '[e-mail]'
>>> print(autoviv.pprint(new))
{
    "username": "New User",
    "email": "[e-mail]",
    "id": 5,
    "address": {
        "geo": {
            "lat": "-42.3433",
            "lng": "74.3433"
        }
    }
}

NoneProp

It should be noted that missing referenced properties, including nested, are gracefully falsey.

>>> import autoviv
>>> data = autoviv.parse({})
>>> data.property.is_none

>>> bool(data.property.is_none)
False
>>> isinstance(data.property.is_none, autoviv.NoneProp)
True
>>> 'some data' in data.property.is_none
False
>>> [x for x in data.property.is_none]
[]
>>> data.property.is_none = None
>>> isinstance(data.property.is_none, autoviv.NoneProp)
False
>>> print(autoviv.pprint(data))
{
    "property": {
        "is_none": null
    }
}

Testing

Install test dependencies with pipenv.

$ pip install pipenv
$ pipenv install -d
$ ./test.sh

Contributing

Bug reports and pull requests are welcome on GitLab at https://gitlab.com/tysonholub/python-autoviv.git. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

This package is available as open source under the terms of the MIT License.