MediaWiki

This is part of my notes about open-source classics.

Links

• https://en.wikipedia.org/wiki/MediaWiki

Source code

On my computer the code is here:

• virtuoso:/home/jj5/repo/git/gerrit.wikimedia.org/mediawiki

The core project is here:

• https://gerrit.wikimedia.org/r/mediawiki/core.git

Extensions example:

• https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor.git

Source metrics

These metrics for 'core' generated using David A. Wheeler's 'SLOCCount'.

SLOC     Directory       SLOC-by-Language (Sorted)
430,156  includes        php=429878,xml=251,sh=27
308,157  tests           php=274039,javascript=25015,xml=9097,sh=6
158,111  resources       javascript=154582,php=3529
 53,008  languages       php=52750,xml=258
 29,174  maintenance     php=28786,python=352,sh=30,javascript=6
  4,694  top_dir         php=4544,javascript=150
    878  docs            php=760,xml=118
    255  mw-config       javascript=204,php=51

Totals grouped by language (dominant language first):
php:         794,337 (80.69%)
javascript:  179,957 (18.28%)
xml:           9,724 ( 0.99%)
python:          352 ( 0.04%)
sh:               63 ( 0.01%)

Total Physical Source Lines of Code (SLOC)                = 984,433
Development Effort Estimate, Person-Years (Person-Months) = 277.89 (3,334.70)
 (Basic COCOMO model, Person-Months = 2.4 * (KSLOC**1.05))
Schedule Estimate, Years (Months)                         = 4.54 (54.54)
 (Basic COCOMO model, Months = 2.5 * (person-months**0.38))
Estimated Average Number of Developers (Effort/Schedule)  = 61.14
Total Estimated Cost to Develop                           = $ 37,539,380
 (average salary = $56,286/year, overhead = 2.40).
SLOCCount, Copyright (C) 2001-2004 David A. Wheeler
SLOCCount is Open Source Software/Free Software, licensed under the GNU GPL.
SLOCCount comes with ABSOLUTELY NO WARRANTY, and you are welcome to
redistribute it under certain conditions as specified by the GNU GPL license;
see the documentation for details.