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python-scriptures is a Python package and regular expression library for validating, extracting, and normalizing biblical scripture references from blocks of text.

Project Description

python-scriptures is a Python 2 and Python 3 compatible package and regular expression library for validating, extracting and normalizing biblical scripture references from blocks of text.

For more information, see http://www.davisd.com/projects/python-scriptures/

Typical usage is as follows:

#!/usr/bin/env python

>>> import scriptures
>>> scriptures.extract('This is a test Rom 3:23-28 and 1 JOHn 2')
[('Romans', 3, 23, 3, 28), ('I John', 2, 1, 2, 29)]

Range validation is performed automatically and invalid references are not extracted.

>>> import scriptures
>>> scriptures.extract('Romans 3:23 is real, but Romans 2:30 is invalid.')
[('Romans', 3, 23, 3, 23)]

Multi-Chapter references work:

>>> import scriptures
>>> scriptures.extract('You can specify a range of chapters like Rev 2-3')
[('Revelation of Jesus Christ', 2, 1, 3, 22)]

References with single chapter books do not require the chapter be specified.

>>> import scriptures
>>> scriptures.extract('You can specify a single verse such as Jude 4')
[('Jude', 1, 4, 1, 4)]
>>> scriptures.extract('Or specify multiple verses with jude 2-5...')
[('Jude', 1, 2, 1, 5)]

Installation

A setup script (setup.py) is provided. To install, simply run the script with the install command:

$ python setup.py install

Or just put the scriptures package somewhere on the Python path.

API

Return Values

When a “scripture reference” is returned, it is always a five value tuple consisting of:

(‘Book name’, start chapter, start verse, end chapter, end verse)

Functions

There are four public functions exposed by this package.

extract

Extract a list of tupled scripture references from a block of text.

Arguments:

text – the block of text containing potential scripture references

Example:

>>> import scriptures
>>> scriptures.extract('This is a test Rom 3:23-28 and 1 JOHn 2')
[('Romans', 3, 23, 3, 28), ('I John', 2, 1, 2, 29)]

reference_to_string

Get a display friendly string from a scripture reference.

Arguments:

bookname – the full or abbreviated book name

chapter – the starting chapter

Optional Arguments:

verse – the starting verse

end_chapter – the ending chapter

end_verse – the ending verse

Examples:

>>> import scriptures
>>> scriptures.reference_to_string('acts', 1)
'Acts 1'
>>> scriptures.reference_to_string('John', 3, 16)
'John 3:16'
>>> scriptures.reference_to_string('Rom', 3, 23, 3, 28)
'Romans 3:23-28'
>>> scriptures.reference_to_string('ecc', 1, 2, 2)
'Ecclesiastes 1:2-2:26'
>>> scriptures.reference_to_string('john', 1, 1, 2, 25)
'John 1-2'

Single Chapter Book Examples:

>>> import scriptures
>>> scriptures.reference_to_string('jude', 1, 4)
'Jude 4'
>>> scriptures.reference_to_string('2john', 1, 4, 1, 7)
'II John 4-7'

normalize_reference

Get a complete five value tuple scripture reference with full book name from partial data.

Arguments:

bookname – the full or abbreviated book name

chapter – the starting chapter

Optional Arguments:

verse – the starting verse

end_chapter – the ending chapter

end_verse – the ending verse

Examples:

>>> import scriptures
>>> scriptures.normalize_reference('acts', 1)
('Acts', 1, 1, 1, 26)
>>> scriptures.normalize_reference('John', 3, 16)
('John', 3, 16, 3, 16)
>>> scriptures.normalize_reference('Rom', 3, 23, 3, 28)
('Romans', 3, 23, 3, 28)
>>> scriptures.normalize_reference('ecc', 1, 2, 2)
('Ecclesiastes', 1, 2, 2, 26)

is_valid_reference

Check to see if a scripture reference is valid.

Arguments:

bookname – the full or abbreviated book name

chapter – the starting chapter

Optional Arguments:

verse – the starting verse

end_chapter – the ending chapter

end_verse – the ending verse

Examples:

>>> import scriptures
>>> scriptures.is_valid_reference('John', 3, 16)
True
>>> scriptures.is_valid_reference('ecc', 1, 2, 2)
True
>>> scriptures.is_valid_reference('Romans', 2, 30)
False
>>> scriptures.is_valid_reference('Romans', 2, 20, 2, 29)
True

Regular Expressions

There are two compiled regular expression patterns exposed by this package.

book_re

Match a valid abbreviation or book name.

Examples:

>>> import scriptures
>>> import re
>>> re.findall(scriptures.book_re, 'Matt test Ecclesiastes and 2 peter')
['Matt', 'Ecclesiastes', '2 peter']

scripture_re

Match a scripture reference pattern from a valid abbreviation or book name.

Examples:

>>> import scriptures
>>> import re
>>> re.findall(scriptures.scripture_re, 'Matt 3 & Acts 1:2-3 Rev 2:1-3:2')
[('Matt', '3', '', '', ''), ('Acts', '1', '2', '', '3'),
('Rev', '2', '1', '3', '2')]

Unicode

This library is unicode compatible and recognizes the u2013 en dash and u2014 em dash.

Additional Texts

This library currently provides the following texts:

  • protestant - scriptures.texts.protestant.ProtestantCanon
  • deuterocanon - scriptures.texts.deutercanon.Deuterocanon
  • kjv1611 - scriptures.texts.kjv1611.KingJames1611

Usage

To use the additional texts, simply instantiate the text object and use the api functions and regular expressions on the new instance.

Example

>>> from scriptures.texts.kjv1611 import KingJames1611
>>> myKJV1611 = KingJames1611()
>>> myKJV1611.extract('the protestant books are implemented- Matthew 1:1-5')
[(u'Matthew', 1, 1, 1, 5)]
>>> myKJV1611.extract('and Deuterocanon (apocrypha)- wisdom of solomon 1:1')
[(u'The Wisdom of Solomon', 1, 1, 1, 1)]
>>> myKJV1611.extract('and I Esd 1:1, II Esd 1:1, Prayer of Manasseh 1:1')
[(u'I Esdras', 1, 1, 1, 1), (u'II Esdras', 1, 1, 1, 1), (u'Prayer of Manasseh', 1, 1, 1, 1)]

Custom Texts

As of v3.0.0, the library makes makes extending the library through custom texts trivial through additional modules. Please consider contributing your text modules to this project by creating texts under scriptures/texts/ and submitting a pull request.

Creating a New Text

To create a new Text,

  1. Create a class that inherits from scriptures.base.Text
  2. Implement the “books” dictionary
  3. Instantiate your new text and use it

The four api functions will be available from your instance:

  • extract
  • reference_to_string
  • normalize_reference
  • is_valid_reference

The two regular expressions are also available:

  • book_re
  • scripture_re

Example

>>> from scriptures.texts.base import Text
>>> class MyText(Text):
>>>     books = {
>>>         'test1': ('Test Book 1', 'TBook1', 'test(?:\s)?1', [5, 4, 3, 4, 5]),
>>>         'test2': ('Test Book 2', 'TBook2', 'test(?:\s)?2', [5, 4, 3, 4, 5])
>>>     }
>>>
>>> mytext = MyText()
>>> mytext.extract('Ok, testing- test1 1:3-5 and test2 2:4')
[('Test Book 1', 1, 3, 1, 5), ('Test Book 2', 2, 4, 2, 4)]

Creating a New Text Using Another As a Starting Point

If you would like to use an existing set of books as a starting point, simply update your books dictionary using the books from the Text class (or classes) that you’d like to use as a starting point.

For an example of this, see the “KingJames1611” text class in scriptures/text/kjv1611.py

The KingJames1611 Text class uses the ProtestantCanon and Deuterocanon books as a starting point and adds I Esdras, II Esdras, and the Prayer of Manasseh.

Test Suite

Unit tests are provided to verify chapter and verse style normalization, output formatting, and book names and abbreviations.

To run the test suite, cwd to just outside of the scriptures package and:

$ python -m unittest discover

Release History

Release History

This version
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3.0.0

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2.2.1

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2.2.0

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2.1.3

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2.1.2

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2.1.0

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2.0.0

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1.1.3

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1.1.2

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1.1.1

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1.1.0

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1.0.1

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1.0.0

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