django-userdefinedtables 0.0.13

Generic EAV-style table creation in the user's hands

django_userdefinedtables

This application is intended to be used as a way for an end user to define their own database tables.

It is loosely inspired by the way SharePoint lists work.

Installation

To install django_userdefinedtables, use the following command: pip install django_userdefinedtables

userdefinedtables should then added to the APPS list in the Django settings.

Use

Models

The models which are available for use are:

Organizational

• List: Akin to a table in a relational database.
• Column: Akin to a column/attribute in a relational database. The naked Column model should not be used, as it is the parent in a multi-table inheritance scheme used to simplify querying for instances of the various column models.
• Row: Akin to a row in a relational database. Manages order and membership of data entries.
• Entry: Like, Column, utilizes multi-table inheritance for simplified querying.

Data Type

• SingleLineOfTextColumn: brief text field. Corresponding value utilizes Django CharField.
• MultipleLineTextColumn: longer length field. Corresponding value utilizes Django TextField.
• ChoiceColumn: option among several user-defined choices. Supported by the Choice model, which captures the actual choices available.
• NumberColumn: A column which allows for entry of a decimal number. Supported by NumericalColumn abstract model, which Utilizes Django DecimalField.
• CurrencyColumn: defines a currency field. Set apart from the NumberColumn in order to support formatting, but is otherwise identical. NOTE: This is possibly unnecessarily redundant to NumberColumn and may be removed in the future.
• DateTimeColumn: defines a datetime field. Corresponding value utilizes Django DateTimeField.
• BinaryColumnEntry: defines a binary field. Corresponding value utilizes Django BooleanField.
• PictureColumn: defines a picture field. Corresponding value utilizes Django ImageField.
• LookupColumn: defines a way for end users to specify a reference to a value in another column. Utilizes several foreign key relationships.
• URLColumn: defines a url field. Corresponding value utilizes Django URLField.

Instance/Entry

Generally, these entries are self-explanatory, given an understanding of the Data Type models.

• SingleLineOfTextColumnEntry
• MultipleLineTextColumnEntry
• ChoiceEntry
• NumberEntry
• CurrencyEntry
• DateTimeColumnEntry
• BinaryColumnEntry
• LookupColumnEntry
• URLColumnEntry

Example

Please see the example page to see how this package can be used.

Active Development & Contribution

This project is still in a nascent stage and is volatile to a degree. Contribution by other members of the community is welcome, whether in the form of pull requests or ideas.