Hello FOSSologists,
HP has been using a proprietary  license scanner for many years.  It's  
called Nomos and is based on heuristics gained while vetting the open  
source that we distribute.   We are going to add this license analysis  
agent to FOSSology as an alternative to the current bSAM license  
agent.  So those looking at the source tree will notice this new  
addition in the agents directory.  Nomos is a complicated program due  
to many performance optimizations and because it does more than  
license analysis (for example, it analyzes distros to check for source/ 
binary package matching, it prints copyright information if there is  
no significant license information, it implements a "buckets" to  
categorize and report data, it finds "hot words" like "infringe",  
"litigate", "patent", etc.  Our plan is to integrate these into  
fossology, starting with the license scanner.  The plan is roughly:

Step 1:  Unoptimized license analyzer, stand alone 3 weeks (Chan)
Input: 1 file (not archive)
Output: String of license names
Test: Eddy - manual
   Code refactor (including removing unneeded code)
   Internal Program docs including Usage() inline comments for clarity
  *Categorize gozintas for Rules:
  *  INFILE
  *  lmem
  *  INTERESTING
  *  HOT words
  *  6 line sliding windows
  *  ...
   add debuging code
   Plug into eddy tests (Mark: if django see adam)

Step 2: Nomos agent
   Database integration
   DB table for STRINGS.in (possibly)
   Global Init of data structures
   per file initialization
   map nomos license name to db license record
   add debugging code
   preprocess file list
   external docs
   UI (scheduling, reports), validate reports needed with osrb
   reconcile makefiles
   regression tests

Step 3: Optimization
   add debuging code
   Map original text to matched text for color artifact(copyright,  
license, url, hot word, ...)
highlighting

Step 4: Build/Install integration


Bob Gobeille

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