Format agnostic tabular data library (XLS, JSON, YAML, CSV)
Project description
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
JSON
YAML
CSV
At this time, Tablib supports the export of it’s powerful Dataset object instances into any of the above formats. Import is underway.
Note that tablib purposefully excludes XML support. It always will.
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=('age', 90, 67, 83))
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]
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
Import datasets from CSV, JSON, YAML
Release CLI Interface
Auto-detect import format
Add possible other exports (SQL?)
Possibly plugin-ify format architecture
Ability to assign types to rows (set, regex=, &c.)
Plugin support
History
0.7.1 (2010-09-20)
Reverting methods back to properties.
Windows bug compenated in documentation.
0.7.0 (2010-09-20)
Renamed DataBook Databook for consistiency.
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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