+ self.client.serInit(); #No timeout
+
+ def glitchvoltages(self,time):
+ """Returns list of voltages to train at."""
+ c=self.db.cursor();
+ #c.execute("""select
+ # (select min(vcc) from glitches where time=? and count=1),
+ # (select max(vcc) from glitches where time=? and count=0);""",
+ # [time, time]);
+ c.execute("select min,max from glitchrange where time=? and max-min>0;",[time]);
+ rows=c.fetchall();
+ for r in rows:
+ min=r[0];
+ max=r[1];
+ if(min==None or max==None): return [];
+
+ spread=max-min;
+ return range(min,max,1);
+ #If we get here, there are no points. Return empty set.
+ return [];
+ def crunch(self):
+ """This builds tables for glitching voltage ranges from the training set."""
+ print "Precomputing glitching ranges. This might take a long while.";
+ print "Times...";
+ sys.stdout.flush();
+ self.db.execute("drop table if exists glitchrange;");
+ self.db.execute("create table glitchrange(time integer primary key asc,max,min);");
+ self.db.commit();
+ print "Calculating ranges...";
+ sys.stdout.flush();
+
+ maxes={};
+ mins={};
+
+ c=self.db.cursor();
+ c.execute("select time,vcc,glitchcount,count from glitches;"); #Limit 10000 for testing.
+ progress=0;
+ for r in c:
+ progress=progress+1;
+ if progress % 1000000==0: print "%09i rows crunched." % progress;
+ t=r[0];
+ v=r[1];
+ glitchcount=r[2];
+ count=r[3];
+ # FIXME: Threse thresholds suck.
+ if count<2:
+ try: oldmax=maxes[t];
+ except: oldmax=-1;
+ if v>oldmax: maxes[t]=v;
+ elif glitchcount<2:
+ try: oldmin=mins[t];
+ except: oldmin=0x10000;
+ if v<oldmin: mins[t]=v;
+ print "List complete. Inserting.";
+ for t in maxes:
+ max=maxes[t];
+ try: min=mins[t];
+ except: min=0;
+ self.db.execute("insert into glitchrange(time,max,min) values (?,?,?)",(t,max,min));
+ self.db.commit();
+ print "Done, database crunched.";