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python module to manipulate text, strings and list of strings
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README.rst

Getting started

python-textops provides many text operations at string level, list level or whole text level.
These operations can be chained with a 'dotted' or 'piped' notation.
Chained operations are stored into a single lazy object, they will be executed only when an input text will be provided.

Install

To install:

pip install python-textops

Overview

The usual way to use textops is something like below. IMPORTANT : Note that textops library redefines the python bitwise OR operator '|' in order to use it as a 'pipe' like in a Unix shell:

from textops import *

result = "an input text" | my().chained().operations()

or

for result_item in "an input text" | my().chained().operations():
   do_something(result_item)

or

myops = my().chained().operations()
# and later in the code, use them :
result = myops("an input text")
or
result = "an input text" | myops

An "input text" can be :

  • a simple string,
  • a multi-line string (one string having newlines),
  • a list of strings,
  • a strings generator,
  • a list of lists (useful when you cut lines into columns),
  • a list of dicts (useful when you parse a line).

So one can do:

>>> 'line1line2line3' | grep('2').tolist()
['line1line2line3']
>>> 'line1\nline2\nline3' | grep('2').tolist()
['line2']
>>> ['line1','line2','line3'] | grep('2').tolist()
['line2']
>>> [['line','1'],['line','2'],['line','3']] | grep('2').tolist()
[['line', '2']]
>>> [{'line':1},{'line':'2'},{'line':3}] | grep('2').tolist()
[{'line': '2'}]

Examples

Piped then dotted notation (recommended):

>>> print 'this is an error\nthis is a warning' | grepi('error').first().upper()
THIS IS AN ERROR

You could use the pipe everywhere (internally a little less optimized, but looks like shell):

>>> print 'this is an error\nthis is a warning' | grepi('error') | first() | strop.upper()
THIS IS AN ERROR

To execute an operation directly from strings, lists or dicts with the dotted notation, you must use textops Extended types : StrExt, ListExt or DictExt:

>>> s = StrExt('this is an error\nthis is a warning')
>>> print s.grepi('error').first().upper()
THIS IS AN ERROR

Documentation

Please, read documentation here :

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