Some testing utilities

database.py

@@ -66,12 +66,12 @@ def getTrackObject(o):
 
 
 	
-def createScrobble(artists,title,time):
+def createScrobble(artists,title,time,volatile=False):
 	while (time in STAMPS_SET):
 		time += 1
 	STAMPS_SET.add(time)
 	i = getTrackID(artists,title)
-	obj = (i,time,False)
+	obj = (i,time,volatile) # if volatile generated, we simply pretend we have already saved it to disk
 	#SCROBBLES.append(obj)
 	# immediately insert scrobble correctly so we can guarantee sorted list
 	index = insert(SCROBBLES,obj,key=lambda x:x[1])
@@ -733,7 +733,6 @@ def build_db():
 	
 
 
-
 # Saves all cached entries to disk			
 def sync():
 
@@ -816,14 +815,13 @@ def db_query(artist=None,artists=None,title=None,track=None,since=None,to=None,w
 		
 			
 	
-	# right now we always request everything by name, maybe we don't actually need the request by number, but i'll leave it in for now
 		
 	if associated:
 		#return [getScrobbleObject(s) for s in SCROBBLES if (s[0] == track or track==None) and (artist==None or artist in coa.getCreditedList(TRACKS[s[0]][0])) and (since < s[1] < to)]
-		return [getScrobbleObject(s) for s in scrobbles_in_range(since,to) if (s[0] == track or track==None) and (artist==None or artist in coa.getCreditedList(TRACKS[s[0]][0]))]
+		return [getScrobbleObject(s) for s in scrobbles_in_range(since,to) if (track is None or s[0] == track) and (artist is None or artist in coa.getCreditedList(TRACKS[s[0]][0]))]
 	else:
 		#return [getScrobbleObject(s) for s in SCROBBLES if (s[0] == track or track==None) and (artist==None or artist in TRACKS[s[0]][0]) and (since < s[1] < to)]
-		return [getScrobbleObject(s) for s in scrobbles_in_range(since,to) if (s[0] == track or track==None) and (artist==None or artist in  TRACKS[s[0]][0])]
+		return [getScrobbleObject(s) for s in scrobbles_in_range(since,to) if (track is None or s[0] == track) and (artist is None or artist in  TRACKS[s[0]][0])]
 	# pointless to check for artist when track is checked because every track has a fixed set of artists, but it's more elegant this way
 	
 
@@ -924,7 +922,14 @@ def insert(list_,item,key=lambda x:x):
 	return i
 	
 	
-def scrobbles_in_range(start,end):
+def scrobbles_in_range(start,end,reverse=False):
+	if reverse:
+		for stamp in reversed(STAMPS):
+			#print("Checking " + str(stamp))
+			if stamp < start: return
+			if stamp > end: continue
+			yield SCROBBLESDICT[stamp]	
+	else:
 		for stamp in STAMPS:
 			#print("Checking " + str(stamp))
 			if stamp < start: continue
@@ -935,3 +940,24 @@ def scrobbles_in_range(start,end):
 	#	if stamp%1000 == 0: print("testing " + str(stamp))
 	#	if stamp in SCROBBLESDICT:
 	#		yield SCROBBLESDICT[stamp]
+	
+
+# for performance testing
+def generateStuff(num=0,pertrack=0,mult=0):
+	import random
+	for i in range(num):
+		track = random.choice(TRACKS)
+		t = getTrackObject(track)
+		time = random.randint(STAMPS[0],STAMPS[-1])
+		createScrobble(t["artists"],t["title"],time,volatile=True)
+		
+	for track in TRACKS:
+		t = getTrackObject(track)
+		for i in range(pertrack):
+			time = random.randint(STAMPS[0],STAMPS[-1])
+			createScrobble(t["artists"],t["title"],time,volatile=True)
+	
+	for scrobble in SCROBBLES:
+		s = getScrobbleObject(scrobble)	
+		for i in range(mult):
+			createScrobble(s["artists"],s["title"],s["time"] - i*500,volatile=True)

server.py

@@ -141,6 +141,7 @@ def static_html(name):
 		headerhtml = headerfile.read()
 	html = html.replace("</body>",footerhtml + "</body>").replace("</head>",headerhtml + "</head>")
 
+	
 	# If a python file exists, it provides the replacement dict for the html file
 	if os.path.exists("website/" + name + ".py"):
 		#txt_keys = SourceFileLoader(name,"website/" + name + ".py").load_module().replacedict(keys,DATABASE_PORT)
@@ -160,7 +161,6 @@ def static_html(name):
 				html = html.replace(k,txt_keys[k])
 
 	
-	
 	response.set_header("Link",",".join(linkheaders))
 	
 	return html

utilities.py

@@ -175,6 +175,15 @@ def log(msg,module=None):
 		logfile.write(now + "  " + msg + "\n")
 	
 	
+### not meant to be precise, just for a rough idea
+measurement = 0
+def clock(*args):
+	import time
+	global measurement
+	now = time.time()
+	if len(args) > 0:
+		print(args[0] + ": " + str(now - measurement))
+	measurement = now
 
 ### Media info
 

website/start.py

@@ -1,6 +1,7 @@
 import urllib
 from datetime import datetime, timedelta
 import database
+from utilities import clock
 
 from htmlmodules import module_scrobblelist, module_pulse, module_artistcharts_tiles, module_trackcharts_tiles
 
@@ -14,6 +15,8 @@ def instructions(keys):
 	newdate = tod - d
 	weekstart = [newdate.year,newdate.month,newdate.day]
 
+	clock()
+
 	# artists
 	
 	topartists_total = module_artistcharts_tiles()
@@ -21,6 +24,7 @@ def instructions(keys):
 	topartists_month = module_artistcharts_tiles(since="month")
 	topartists_week = module_artistcharts_tiles(since=weekstart)
 	
+	clock("Artists")
 
 	# tracks
 	
@@ -30,9 +34,13 @@ def instructions(keys):
 	toptracks_week = module_trackcharts_tiles(since=weekstart)
 	
 	
+	clock("Tracks")
+
+
 	# scrobbles
 	html_scrobbles, _, _ = module_scrobblelist(max_=15,shortTimeDesc=True,pictures=True)
 	
+	clock("Scrobbles")
 	
 	# stats
 	amount = database.get_scrobbles_num(since="today")
@@ -48,6 +56,8 @@ def instructions(keys):
 	scrobbles_total = "<a href='/scrobbles'>" + str(amount) + "</a>"
 	
 	
+	clock("Amounts")
+	
 	# pulse
 	dt = datetime.utcnow()
 	first_month = [dt.year-1,dt.month+1]
@@ -68,7 +78,7 @@ def instructions(keys):
 	#html_pulse_month = module_pulse(max_=30,since=[dt.year,dt.month],step="day",trail=1)
 	#html_pulse_year = module_pulse(max_=12,since=[dt.year],step="month",trail=1)
 
-
+	clock("Pulse")
 
 	#pushresources = [{"file":img,"type":"image"} for img in artistimages + trackimages] #can't push scrobble images as we don't get them from the module function, need to think about that
 	pushresources = []