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Python text operations module

Project Description
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 :

News

0.3.2 (2017-06-18)

  • DebugText class fixed

0.3.1 (2017-04-05)

  • Fixed bug when have empty string as piped input string

0.3.0 (2017-03-23)

  • add fileops and runops

0.2.14 (2017-02-28)

  • sed() and sedi() now accept list of patterns to search and list of replacement strings

0.2.12 (2017-02-27)

  • add tofile() and teefile()

0.2.11 (2017-01-31)

  • Remove version limitation over sphinx package in setup.py

0.2.10 (2017-01-26)

  • added textops.extend_type

0.2.9 (2016-12-06)

  • Fix autostrip in state_pattern() when no groupdict
  • add __continue__ for goto _state in state_pattern()
  • parsek* and keyval now can parse list of strings

0.2.8 (2016-11-02)

  • fix MySQLdb does not support UnicodeExt
  • callable attribute starting with ‘_’ will not be extended anymore

0.2.6 (2016-04-12)

  • Improve out data path in state_pattern() op

0.2.5 (2016-04-12)

  • Add sgrep*() ops

0.2.4 (2016-03-23)

  • Add dostrip() op
  • Improve sed() op

0.2.3 (2016-03-17)

  • Add wcount*() ops

0.2.2 (2016-02-16)

  • cut and cutre now accept maxsplit parameter

0.2.1 (2016-02-16)

  • add aggregate() list operation

0.2.0 (2015-12-16)

  • Better repr display in ipython

0.1.9 (2015-12-15)

  • Add eformat
  • Add context dict parameter for format and render operations

0.1.8 (2015-12-10)

  • Add less(), skess() list operations
  • Add parse_smart() parser

0.1.7 (2015-11-26)

  • Add some operations
  • perf tunning

0.1.3 (2015-11-20)

  • Tune many things
  • All is now documented

0.1.2 (2015-11-04)

  • More docs and doctests

0.1.1 (2015-11-04)

First working package

Release History

Release History

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