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hlsir.py
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'''
Created on Jul 14, 2010
@author: wojciechziniewicz
TODO : hlsir.returnFLatHlsEquivalent() should accept "LIMIT sliceX*sliceY" format
'''
import Image,numpy,colorsys,os,MySQLdb,sys,urlparse
from BeautifulSoup import BeautifulSoup as bs
from urllib2 import urlopen
from HTMLParser import HTMLParseError
visited = [] # list of visited URLs
tmp_visited = []
noaccess = [] # list of urls which denied access or other error
tmp_noaccess = []
backgrounds = [] # list of background graphic urls
tmp_backgrounds = []
md5s = [] # list of MD5 fingerprints of all downloaded graphics
tmp_md5s = []
sliceX,sliceY = [5,5]
mysqlResultLimit = sliceX*sliceY
ALPHA = 0.6
HLS_VECTOR = numpy.zeros((sliceX,sliceY,3))
INPUT_VECTOR = numpy.zeros((sliceX,sliceY,3))
IMPORTANCE_MATRIX = numpy.zeros((sliceX,sliceY))
frontend_upload_dir = "/home/wojtek/hlsir/frontend/upload"
crawler_img_library = "/home/wojtek/hlsir/img"
repetitiveness = 0
try:
conn = MySQLdb.connect (host = "127.0.0.1", user = "crawleruser", passwd = "dup4", db = "crawler_live")
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
sys.exit(1)
def normalizeRGBVector(color):
return color[0]/255.0, color[1] / 255.0, color[2] / 255.0
def mysqlInsertImage(md5,os_path,height,width,URL,parent_url,HLS_VECTOR):
try:
cursor = conn.cursor ()
query = " SELECT md5 from images where md5='%s' " % (md5)
cursor.execute(query)
md5_check = cursor.fetchone()
if md5_check:
print "-md already in db",
else:
query = """INSERT into images (md5,os_path,height,width,url,parent_url) VALUES ('%s','%s',%s,%s,'%s','%s')""" % (md5,os_path,height,width,URL,parent_url)
"""print query"""
print query
mysqlInsertVector(md5,HLS_VECTOR)
cursor.execute (query)
conn.commit()
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
sys.exit (1)
def mysqlInsertVector(md5,HLS_VECTOR):
"inserts the given HLS vector into the database"
cursor = conn.cursor ()
try:
query=" SELECT md5 from images where md5='%s' " % (md5)
cursor.execute(query)
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed inserting vector into DB"
md5_check = cursor.fetchone()
if 1==2 :
print "Already in DB - skipping",
else:
try:
arguments = "("
values = "("
n = 0
cursor = conn.cursor ()
#liczymy liste argumentow
for n in range (0,sliceX*sliceY):
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
arguments = arguments + h +"," + l +"," + s +","
if n == ((sliceX*sliceY)-1):
arguments += "image_md5)"
continue
#liczymy liste wartosci
n = 0
for x in range (0,sliceX):
for y in range (0,sliceY):
values = values + str(HLS_VECTOR[x,y,0])[0:10] + "," + str(HLS_VECTOR[x,y,1])[0:10] + "," + str(HLS_VECTOR[x,y,2])[0:10] + ","
if n == ((sliceX*sliceY)-1):
"""add double quotation because of mysql syntax """
values += '"%s"' % (md5)
values += ")"
n += 1
query = ("""
INSERT into vectors %s
VALUES %s
""") % (arguments,values)
print query
cursor.execute (query)
conn.commit()
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed inserting vector into DB"
def reportShapeInfo(infile):
global sliceX,sliceY
fileHandler = Image.open(infile)
imageArray = numpy.asarray(fileHandler)
totalWidth = imageArray.shape[0]
totalHeight = imageArray.shape[1]
#If we have rest from image division
if divmod(imageArray.shape[0] , sliceX)[1] != 0:
widthUnit = divmod(imageArray.shape[0] , sliceX)[0]
else:
widthUnit = (divmod(imageArray.shape[0] , sliceX)[0])-1
if divmod(imageArray.shape[1] , sliceY)[1] != 0:
heightUnit = divmod(imageArray.shape[1] , sliceY)[0]
else:
heightUnit = (divmod(imageArray.shape[1] , sliceY)[0])-1
return totalWidth,totalHeight,widthUnit,heightUnit #integers
"""Kazdy badany element, kazdego porownywanego wektora HLS moze miec
sztywno ustalona maksymalna roznice od korelowanego elementu wektora wejsciowego
-> result_image_url = set(hlsir.returnURLFromMD5(hlsir.constructHLSQuery(HLS_VECTOR,0.5,0.5,0.5,importance_matrix,0.2)))
"""
def constructHLSQuery(hlsvector,h_weight,l_weight,s_weight,mask,modificator):
try:
arguments = ""
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y]==0:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)<%s AND ABS(%s-%s)<%s AND ABS(%s-%s)<%s" % (h,str(hlsvector[x,y,0])[0:6],h_weight,l,str(hlsvector[x,y,1])[0:6],l_weight,s,str(hlsvector[x,y,2])[0:6],s_weight)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)<(%s-%s) AND ABS(%s-%s)<(%s-%s) AND ABS(%s-%s)<(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],h_weight,modificator,l,str(hlsvector[x,y,1])[0:6],l_weight,modificator,s,str(hlsvector[x,y,2])[0:6],s_weight,modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
continue
query = ("""
SELECT image_md5 from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
md5 = cursor.fetchall()
cursor.close ()
return md5
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed SELECTING vector FROM DB"
def HLSQueryCount(hlsvector,h_weight,l_weight,s_weight,mask,modificator):
try:
arguments = ""
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y]==0:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)<%s AND ABS(%s-%s)<%s AND ABS(%s-%s)<%s" % (h,str(hlsvector[x,y,0])[0:6],h_weight,l,str(hlsvector[x,
y,1])[0:6],l_weight,s,str(hlsvector[x,y,2])[0:6],s_weight)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)<(%s-%s) AND ABS(%s-%s)<(%s-%s) AND ABS(%s-%s)<(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],h_weight,modificator,l,str(hlsvector[x,y,1])[0:6],l_weight,modificator,s,str(hlsvector[x,y,2])[0:6],s_weight,modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
continue
query = ("""
SELECT count(image_md5) from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
count = int(cursor.fetchone()[0])
cursor.close ()
return count
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed SELECTING vector FROM DB"
def constructHLSQuery2(hlsvector,mask,modificator,global_deviation):
""" Suma wszystkich wartosci bezwzglednych odstepstwa wszystkich elementow
kazdego wektora od kazdego elementu wektora wejsciowego
mniejsza od np. 15 """
try:
arguments = "(SELECT(MIN("
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y]==1:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-(%s+%s))+ABS(%s-(%s+%s))+ABS(%s-(%s+%s))" % (h,str(hlsvector[x,y,0])[0:6],modificator,l,str(hlsvector[x,y,1])[0:6],modificator,s,str(hlsvector[x,y,2])[0:6],modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + "+"
else:
arguments = arguments+"))) < %s" % (global_deviation)
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6])
if n != ((sliceX*sliceY)):
arguments = arguments + "+"
else:
arguments = arguments+"))) < %s" % (global_deviation)
continue
query = ("""
SELECT image_md5 from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
md5 = cursor.fetchall()
cursor.close ()
return md5
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed SELECTING vector FROM DB"
def HLSQuery2Count(hlsvector,mask,modificator,global_deviation):
""" Suma wszystkich wartosci bezwzglednych odstepstwa wszystkich elementow
kazdego wektora od kazdego elementu wektora wejsciowego
mniejsza od np. 15 """
try:
arguments = "(SELECT(MIN("
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y]==1:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-(%s+%s))+ABS(%s-(%s+%s))+ABS(%s-(%s+%s))" % (h,str(hlsvector[x,y,0])[0:6],modificator,l,str(hlsvector[x,y,1])[0:6],modificator,s,str(hlsvector[x,y,2])[0:6],modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + "+"
else:
arguments = arguments+"))) < %s" % (global_deviation)
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6])
if n != ((sliceX*sliceY)):
arguments = arguments + "+"
else:
arguments = arguments+"))) < %s" % (global_deviation)
continue
query = ("""
SELECT count(image_md5) from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
count = int(cursor.fetchone()[0])
cursor.close ()
return count
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed SELECTING vector FROM DB"
def constructHLSQuery3(hlsvector,parameter,mask,modificator):
"""Suma errorow na elementach kazdego wektora (slice'a) musi byc mniejsza
od ustalonego parametru """
try:
arguments = "("
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y] == 1:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "(SELECT SUM(ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)))<(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6],parameter,modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
arguments = arguments+" ) "
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "(SELECT SUM(ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)))<%s" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6],parameter)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
arguments = arguments+" ) "
continue
query = ("""
SELECT image_md5 from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
md5 = cursor.fetchall()
cursor.close ()
return md5
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed returning path from DB"
def HLSQuery3Count(hlsvector,parameter,mask,modificator):
"""Suma errorow na elementach kazdego wektora (slice'a) musi byc mniejsza
od ustalonego parametru """
try:
arguments = "("
n = 0
cursor = conn.cursor ()
for x in range (0,sliceX):
for y in range (0,sliceY):
if mask[x,y] == 1:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "(SELECT SUM(ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)))<(%s-%s)" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6],parameter,modificator)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
arguments = arguments+" ) "
continue
else:
h = "h%s" % n
l = "l%s" % n
s = "s%s" % n
n=n+1
arguments = arguments + "(SELECT SUM(ABS(%s-%s)+ABS(%s-%s)+ABS(%s-%s)))<%s" % (h,str(hlsvector[x,y,0])[0:6],l,str(hlsvector[x,y,1])[0:6],s,str(hlsvector[x,y,2])[0:6],parameter)
if n != ((sliceX*sliceY)):
arguments = arguments + " AND "
else:
arguments = arguments+" ) "
continue
query = ("""
SELECT count(image_md5) from vectors WHERE
%s """) % (arguments)
"""print query"""
cursor.execute (query)
count = cursor.fetchone()
cursor.close ()
return int(count[0])
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed returning path from DB"
def returnURLFromMD5(md5):
try:
urlret=[]
cursor = conn.cursor()
for item in md5:
#print "Checking md5:%s" % (md5)
query = "SELECT DISTINCT url from images where md5='%s'" % (item)
cursor.execute (query)
url = cursor.fetchone()
urlret.append(url)
return urlret
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
print "Didnt succeed returning path from DB"
def returnPathToFile(hlsquery):
try:
cursor = conn.cursor ()
query = hlsquery
cursor.execute(query)
md5 = cursor.fetchone()
cursor.execute("""SELECT DISTINCT os_path from images where md5=%s """,(md5))
os_path = cursor.fetchone()
return os_path
cursor.close ()
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
sys.exit (1)
def convertAnyFileToJPEG(infile):
f, e = os.path.splitext(infile)
outfile = f + ".jpg"
if infile != outfile:
try:
file = Image.open(infile)
file2 = file.convert("RGB")
file2.save(outfile)
except IOError:
print "-cannot convert", infile
return outfile #path
def returnImagesList(url):
try:
soup = bs(urlopen(url))
urllist = []
for image in soup.findAll("img"):
if image['src'].lower().endswith("jpg") and (image['src'].lower().startswith("http://") or image['src'].lower().startswith("www")):
urllist.append(image['src'])
if image['src'].lower().endswith("jpg") and not image['src'].lower().startswith("http://"):
hostname_uri = "http://" + urlparse.urlparse(url).hostname
absolute_uri = hostname_uri + "/" + image['src']
urllist.append(absolute_uri)
return urllist
except: HTMLParseError
def convertJpgToHlsNumpy(infile,X,Y):
h,l,s = [0,0,0]
newR,newG,newB = [0,0,0]
fileHandler = Image.open(infile)
widthUnit = reportShapeInfo(infile)[2]
heightUnit = reportShapeInfo(infile)[3]
if reportShapeInfo(infile)[0]>64 and reportShapeInfo(infile)[0]<2048 and reportShapeInfo(infile)[1]>64 and reportShapeInfo(infile)[1]<2048: #protect us from processing too small objects
for y in range(0+X*widthUnit,(X+1)*widthUnit):
for x in range(0+Y*heightUnit,(Y+1)*heightUnit):
R,G,B = fileHandler.getpixel((x,y))
newR,newG,newB = [newR+R,newG+G,newB+B]
[avgR,avgG,avgB] = [ newR/(widthUnit*heightUnit), newG/(widthUnit*heightUnit) , newB/(widthUnit*heightUnit) ]
[normalizedR,normalizedG,normalizedB] = normalizeRGBVector([avgR,avgG,avgB])
h, l, s = colorsys.rgb_to_hls(normalizedR, normalizedG, normalizedB)
else:
print "-image not taken into account"
return h,l,s # vector