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#coding=utf-8
import os
import sys
import re
import urllib
URL_REG = re.compile(r'(http://[^/\\]+)', re.I)
IMG_REG = re.compile(r'<img[^>]*?src=([\'"])([^\1]*?)\1', re.I)
def download(dir, url):
'''ÏÂÔØÍøÒ³ÖеÄͼƬ
@dir ±£´æµ½±¾µØµÄ·¾¶
@url ÍøÒ³url
'''
global URL_REG, IMG_REG
m = URL_REG.match(url)
if not m:
print '[Error]Invalid URL: ', url
return
host = m.group(1)
if not os.path.isdir(dir):
os.mkdir(dir)
# »ñÈ¡html,ÌáȡͼƬurl
html = urllib.urlopen(url).read()
imgs = [item[1].lower() for item in IMG_REG.findall(html)]
f = lambda path: path if path.startswith('http://') else \
host + path if path.startswith('/') else url + '/' + path
imgs = list(set(map(f, imgs)))
print '[Info]Find %d images.' % len(imgs)
# ÏÂÔØÍ¼Æ¬
for idx, img in enumerate(imgs):
name = img.split('/')[-1]
path = os.path.join(dir, name)
try:
print '[Info]Download(%d): %s'% (idx + 1, img)
urllib.urlretrieve(img, path)
except:
print "[Error]Cant't download(%d): %s" % (idx + 1, img)
def main():
if len(sys.argv) != 3:
print 'Invalid argument count.'
return
dir, url = sys.argv[1:]
download(dir, url)
if __name__ == '__main__':
# download('D:\\Imgs', 'http://www.163.com')
main()
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randrange([star ......
def MergeSort(mylist, low, mid, high):
i = low
j = mid + 1
tmp = []
while i <= mid and j <= high:
if mylist[i] <= mylist[j]:
tmp.append(mylist[i])
i = i + 1
else:
tmp.append(mylist[j])
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class CPerson:
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population = 0
def SayHi(self):
print('Hello World')
def HowMany(self):
if CPerson.population == 1:
print('I am the only person here.')
else:
print(('We have %d perso ......