search.py

from db import dbase
from readData import readData
import sys

def writeDegreeTuples(tpls):
	"""Writes all data of read tuples and returns
	   a list of all Advisors, or on failures an empty one"""
	res = []
	for (degree, year, title, school), degrees in tpls:
		tidx = dbase.writeThesis(degree, year, title, school)
		if tidx is None:
			print >> sys.stderr, "[Search] Failed on writing thesis", tidx
			continue
		for sID, aID in degrees:
			if not dbase.writeDegree(sID, aID, tidx):
				print >> sys.stderr, "[Search] Failed on writing degrees (%d, %d)" % (sID, aID) 
				continue
			res.append(aID)
	return res
	

def depthSearch(idx, depth=1000):
	if dbase.phdExists(idx):
		return
	if depth < 0:
		print >> sys.stderr, "[Search] Exceeded search depth on", idx
	phd, tpls = readData(idx)
	if dbase.writePhD(idx, phd[1]) is None:
		print >> sys.stderr, "[Search] Failed on writing Ph. D.", idx
		return
	for aID in writeDegreeTuples(tpls):
		try:
			depthSearch(aID, depth-1)
		except Exception, e:
			print >> sys.stderr, "[Search] Exception occured processing %d:" % aID, e