This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

Because doing stupid things with git is surprisingly fun.

OGitM is an ORM, but where the relational database that underlies the entire mapping has been replaced by an awful attempt at replicating a stupidly basic key-value document store in git. This software should never be used by anyone ever. Please, for the good of humanity.

Um… What?

Git is useful, because it stores both data, and the history of that data. This might be a useful property for a database to have. Writing a whole database based on git is boring, I should try writing an ORM to wrap around it. Well, it wouldn’t so much be an ORM, more an O… git M?

How do I use this?

Import the module, declare your model, and go!

>>> import tempfile; db_directory = tempfile.TemporaryDirectory()
>>>
>>> import ogitm
>>> class MyModel(ogitm.Model, db=db_directory.name):
...     name = ogitm.fields.String()
...     age = ogitm.fields.Integer(min=0)
>>>
>>> instance = MyModel(name="Bob", age=172)
>>> instance_id = instance.save()
>>> MyModel.find(name="Bob", age=172).first() == instance
True
>>> instance.age = -5
Traceback (most recent call last):
    ...
ValueError: Disallowed value -5 ...

Can I get at the underlying database?

Yes. Meet the gitdb module, which provides direct access to a document-based database. Initialise it with a directory that it can use as a git bare repository, and start inserting and getting.

>>> import tempfile; db_directory = tempfile.TemporaryDirectory()
>>>
>>> from ogitm import gitdb
>>> db = gitdb.GitDB(db_directory.name)
>>> doc_id = db.insert({'name': 'Jimmy', 'age': 45, 'car': False})
>>> db.get(doc_id) == {'name': 'Jimmy', 'age': 45, 'car': False}
True

More than that, you can also search for documents previously inserted. These queries accept simple scalar arguments, which return all documents which have the same values as the query, and more complex dictionary arguments which can test for existence, compare etc.

>>> doc_id = db.insert({'name': 'Bobbie', 'car': True})
>>> doc_id = db.insert({'name': 'Bertie', 'age': 26, 'car': False})
>>> {'name': 'Bobbie', 'car': True} in db.find_items({'car': True})
True
>>> doc_id = db.insert({'name': 'Jimmy'})
>>> db.find_items({'car': {'exists': False}}) == [{'name': 'Jimmy'}]
True

Todo

  • Documentation. (docstrings & manual)
  • PyPI
  • Relationships? (U f*cking wot m8?)
  • Python 2
  • Better way of accessing git (May be needed for Py2, is needed for pypy, will make it easier for anyone to install it from PyPI) (See Dulwich)
  • Begin versioning sometime fairly soon
Release History

Release History

0.1.0

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.1.0b1

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Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
ogitm-0.1.0-py3-none-any.whl (11.5 kB) Copy SHA256 Checksum SHA256 py3 Wheel Mar 26, 2015
ogitm-0.1.0.tar.gz (13.3 kB) Copy SHA256 Checksum SHA256 Source Mar 26, 2015

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