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tablib 0.9.11

Format agnostic tabular data library (XLS, JSON, YAML, CSV)

Tablib: format-agnostic tabular dataset library
===============================================

::

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Tablib is a format-agnostic tabular dataset library, written in Python.

Output formats supported:

- Excel (Sets + Books)
- JSON (Sets + Books)
- YAML (Sets + Books)
- HTML (Sets)
- TSV (Sets)
- CSV (Sets)

Note that tablib *purposefully* excludes XML support. It always will. (Note: This is a joke. Pull requests are welcome.)

Overview
--------

`tablib.Dataset()`
        A Dataset is a table of tabular data. It may or may not have a header row. They can be build and manipulated as raw Python datatypes (Lists of tuples|dictionaries). Datasets can be imported from JSON, YAML, and CSV; they can be exported to XLSX, XLS, ODS, JSON, YAML, CSV, TSV, and HTML.

`tablib.Databook()`
        A Databook is a set of Datasets. The most common form of a Databook is an Excel file with multiple spreadsheets. Databooks can be imported from JSON and YAML; they can be exported to XLSX, XLS, ODS, JSON, and YAML.

Usage
-----


Populate fresh data files: ::

    headers = ('first_name', 'last_name')

    data = [
        ('John', 'Adams'),
        ('George', 'Washington')
    ]

    data = tablib.Dataset(*data, headers=headers)


Intelligently add new rows: ::

    >>> data.append(('Henry', 'Ford'))

Intelligently add new columns: ::

    >>> data.append_col((90, 67, 83), header='age')

Slice rows:  ::

    >>> print data[:2]
    [('John', 'Adams', 90), ('George', 'Washington', 67)]


Slice columns by header: ::

    >>> print data['first_name']
    ['John', 'George', 'Henry']

Easily delete rows: ::

    >>> del data[1]

Exports
-------

Drumroll please...........

JSON!
+++++
::

        >>> print data.json
        [
          {
            "last_name": "Adams",
            "age": 90,
            "first_name": "John"
          },
          {
            "last_name": "Ford",
            "age": 83,
            "first_name": "Henry"
          }
        ]


YAML!
+++++
::

        >>> print data.yaml
        - {age: 90, first_name: John, last_name: Adams}
        - {age: 83, first_name: Henry, last_name: Ford}

CSV...
++++++
::

        >>> print data.csv
        first_name,last_name,age
        John,Adams,90
        Henry,Ford,83

EXCEL!
++++++
::

        >>> open('people.xls', 'wb').write(data.xls)

It's that easy.


Installation
------------

To install tablib, simply: ::

        $ pip install tablib

Or, if you absolutely must: ::

        $ easy_install tablib

Contribute
----------

If you'd like to contribute, simply fork `the repository`_, commit your
changes to the **develop** branch (or branch off of it), and send a pull
request. Make sure you add yourself to AUTHORS_.




.. _`the repository`: http://github.com/kennethreitz/tablib
.. _AUTHORS: http://github.com/kennethreitz/tablib/blob/master/AUTHORS


History
-------

++++

* Unicode Column Headers

0.9.11 (2011-06-30)
+++++++++++++++++++

* Bugfixes

0.9.10 (2011-06-22)
+++++++++++++++++++

* Bugfixes

0.9.9 (2011-06-21)
++++++++++++++++++

* Dataset API Changes
* ``stack_rows`` => ``stack``, ``stack_columns`` => ``stack_cols``
* column operations have their own methods now (``apend_col``, ``insert_col``)
* List-style ``pop()``
* Redis-style ``rpush``, ``lpush``, ``rpop``, ``lpop``, ``rpush_col``, and ``lpush_col``

0.9.8 (2011-05-22)
++++++++++++++++++

* OpenDocument Spreadsheet support (.ods)
* Full Unicode TSV support


0.9.7 (2011-05-12)
++++++++++++++++++

* Full XLSX Support!
* Pickling Bugfix
* Compat Module


0.9.6 (2011-05-12)
++++++++++++++++++

* ``seperators`` renamed to ``separators``
* Full unicode CSV support


0.9.5 (2011-03-24)
++++++++++++++++++

* Python 3.1, Python 3.2 Support (same code base!)
* Formatter callback support
* Various bug fixes



0.9.4 (2011-02-18)
++++++++++++++++++

* Python 2.5 Support!
* Tox Testing for 2.5, 2.6, 2.7
* AnyJSON Integrated
* OrderedDict support
* Caved to community pressure (spaces)


0.9.3 (2011-01-31)
++++++++++++++++++

* Databook duplication leak fix.
* HTML Table output.
* Added column sorting.


0.9.2 (2010-11-17)
++++++++++++++++++

* Transpose method added to Datasets.
* New frozen top row in Excel output.
* Pickling support for Datasets and Rows.
* Support for row/column stacking.


0.9.1 (2010-11-04)
++++++++++++++++++

* Minor reference shadowing bugfix.


0.9.0 (2010-11-04)
++++++++++++++++++

* Massive documentation update!
* Tablib.org!
* Row tagging and Dataset filtering!
* Column insert/delete support
* Column append API change (header required)
* Internal Changes (Row object and use thereof)


0.8.5 (2010-10-06)
++++++++++++++++++

* New import system. All dependencies attempt to load from site-packages,
  then fallback on tenderized modules.


0.8.4 (2010-10-04)
++++++++++++++++++

* Updated XLS output: Only wrap if '\\n' in cell.


0.8.3 (2010-10-04)
++++++++++++++++++

* Ability to append new column passing a callable
  as the value that will be applied to every row.


0.8.2 (2010-10-04)
++++++++++++++++++

* Added alignment wrapping to written cells.
* Added separator support to XLS.


0.8.1 (2010-09-28)
++++++++++++++++++

* Packaging Fix


0.8.0 (2010-09-25)
++++++++++++++++++

* New format plugin system!
* Imports! ELEGANT Imports!
* Tests. Lots of tests.


0.7.1 (2010-09-20)
++++++++++++++++++

* Reverting methods back to properties.
* Windows bug compensated in documentation.


0.7.0 (2010-09-20)
++++++++++++++++++

* Renamed DataBook Databook for consistency.
* Export properties changed to methods (XLS filename / StringIO bug).
* Optional Dataset.xls(path='filename') support (for writing on windows).
* Added utf-8 on the worksheet level.


0.6.4 (2010-09-19)
++++++++++++++++++

* Updated unicode export for XLS.
* More exhaustive unit tests.


0.6.3 (2010-09-14)
++++++++++++++++++
* Added Dataset.append() support for columns.


0.6.2 (2010-09-13)
++++++++++++++++++
* Fixed Dataset.append() error on empty dataset.
* Updated Dataset.headers property w/ validation.
* Added Testing Fixtures.

0.6.1 (2010-09-12)
++++++++++++++++++

* Packaging hotfixes.


0.6.0 (2010-09-11)
++++++++++++++++++

* Public Release.
* Export Support for XLS, JSON, YAML, and CSV.
* DataBook Export for XLS, JSON, and YAML.
* Python Dict Property Support.
 
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