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Python Module for Tabular Datasets in XLS, CSV, JSON, YAML, &c.

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Octocat-spinner-32 docs
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README.rst

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 Excel (XLS), JSON, YAML, and CSV.
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 Excel (XLS), 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.

Roadmap

v1.0.0:
  • Add hooks system
  • Tablib.ext namespace
  • Better 2.x/3.x handling (currently internal codebase fork)
  • Width detection on XLS out
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