[code lang=”python”]
#!/usr/bin/python
def perm(a,b=[]):
if not len(a):
print ”.join(b)
for i in range(len(a)):
b.append(a.pop(i))
perm(a,b)
a.insert(i,b.pop())
perm(list("abcd"))
[/code]
#!/usr/bin/python
import urllib, re, random
from os.path import isfile
#from time import sleep
#sleep(15)
keyword="white"
page=urllib.urlopen("http://browse.deviantart.com/?order=24&q="+keyword).read()
items=re.findall('super_img="(http://.*?\.(jpg|jpeg|png))"',page)
imgs=[]
for item in items:
item=item[0]
#print item
imgs.append(item)
"""
img=random.choice(imgs)
print img
content=urllib.urlopen(img).read()
fileext=img[img.rfind("."):]
filename="/home/kjwon15/scripts/img/wallpaper" #+fileext
file(filename,"w").write(content)
"""
savedfile=0
for img in imgs:
filename=img[img.rfind("/")+1:]
if isfile("/home/kjwon15/pictures/"+filename):
print "file exist: "+filename
else:
print "save file "+filename
contents=urllib.urlopen(img).read()
file("/home/kjwon15/pictures/"+filename,"w").write(contents)
savedfile+=1
print "saved "+str(savedfile)+"files"