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Project Description

sbl2py translates code written in the Snowball string processing language into Python:

import sbl2py
import sbl2py.utils

sbl_code = """
externals ( stem )
define stem as (
    backwards ( ['ly'] delete )
)
"""
py_code = sbl2py.translate_string(sbl_code)
module = sbl2py.utils.module_from_code('demo_module', py_code)
print module.stem('fabulously')

Output:

fabulous

Features

sbl2py should support all of the Snowball features that are commonly used. In particular, all features used by the stemming algorithms from the Snowball stemmer package are supported.

Installation

Installing sbl2py is easy using pip:

pip install sbl2py

Usage

The easiest way to translate a Snowball file into a Python module is using the sbl2py script which is automatically installed with sbl2py:

sbl2py SNOWBALL_FILE PYTHON_FILE

See sbl2py --help for the available options.

You can also use sbl2py from within Python. The sbl2py module offers two functions that translate Snowball code from a string (translate_string) or a file (translate_file) and return the corresponding Python source as a string. If you want to execute the code, simply use the module_from_code function of the sbl2py.utils module.

The generated Python modules export all routines from the original Snowball code that are listed in the externals section. That is, if you have externals ( stem ) in your Snowball code and store the generated Python module in a file called mystemmer.py then you can call the stem routine as follows:

import mystemmer
print mystemmer.stem('foobar')

License

sbl2py is covered by the MIT License. The Snowball source code and the word lists in the test directory are covered by the BSD-3 License. Please see the LICENSE file for details.

Release History

Release History

0.1.0-2

This version

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0.1.0-1

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0.1.0

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
sbl2py-0.1.0-2.tar.gz (17.2 kB) Copy SHA256 Checksum SHA256 Source Aug 5, 2014

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