Your SlideShare is downloading. ×
Python, DOT and Visualising Legacy Code The Lazy Way
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Saving this for later?

Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime - even offline.

Text the download link to your phone

Standard text messaging rates apply

Python, DOT and Visualising Legacy Code The Lazy Way

1,358
views

Published on

Visualising a legacy PHP codebase using Python, DOT and GraphViz. A lightning talk for the London Python Code Dojo 2011-06-02.

Visualising a legacy PHP codebase using Python, DOT and GraphViz. A lightning talk for the London Python Code Dojo 2011-06-02.

Published in: Technology

0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
1,358
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
8
Comments
0
Likes
1
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Python, DOT and Visualising Legacy Code The Lazy Way (C) John Chandler 2011
  • 2. Legacy PHP Code! Noooooooooooooo!!!!
  • 3. Deep Breaths. Visualise the Code.
  • 4. Laziness Part 1: Use Python to Analyse Dependencies
  • 5. Write a PHP Parser in Python? Or use a regular expression... (include|require)(?:_once)?[ (]["']([^"']+)["']
  • 6. Laziness Part 2: Use Graphviz to Draw The Diagram
  • 7. Graphviz supports DOT. DOT is a graphing mini-language
  • 8. digraph foo { node1 [label=“Node 1”]; node2 [label=”Node 2”]; node1 -> node2; }
  • 9. $ dot -Tpng -O foo.dot
  • 10. WTF. Looks like some refactoring to do
  • 11. Source is available under GPL v3 from: http://www.bitbucket.org/metaljoe/qadpid