Python爬虫批量下载字体文件的实战指南

#coding:utf-8
import urllib2,cookielib,sys,re,os,zipfile
import numpy as np
#网站登陆
cj=cookielib.CookieJar()
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
opener.addheaders=[('User-agent','Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36))')]
urllib2.install_opener(opener)
#搜索可下载连接
def search(path):
 request=urllib2.Request(path)
 response=urllib2.urlopen(request)
 html=response.read()
 html=html.replace('\n',' ')#将所有的回车去掉，因为正则表达式是单行匹配。。。。。。
 urls=re.findall(r'<a href="(.*?)" rel="external nofollow" >(.*?)</a>',html)
 for i in urls:
  url,inner=i
  if not re.findall(r'Download ',inner)==[] and re.findall(r'offsite',inner)==[] and url not in items:
   items.append(url)
items=[]#保存下载地址
for i in xrange(15):
 host='http://www.fontsquirrel.com/fonts/list/find_fonts/'+str(i*50)+'?filter%5Bdownload%5D=local'
 search(host)
if not os.path.exists('ttf'):
 os.mkdir('ttf')
os.chdir('ttf')
def unzip(rawfile,outputdir):
 if zipfile.is_zipfile(rawfile):
  print 'yes'
  fz=zipfile.ZipFile(rawfile,'r')
  for files in fz.namelist():
   print(files) #打印zip归档中目录
   fz.extract(files,outputdir)#解压缩文件
 else:
  print 'no'
for i in items: 
 print i
 request=urllib2.Request('http://www.fontsquirrel.com'+i)
 response=urllib2.urlopen(request)
 html=response.read()
 name=i.split('/')[-1]+'.zip'
 f=open(name,'w')
 f.write(html)
 f.close()#文件记得关闭，否则下面unzip会出错
 unzip(name,'./')
 os.remove(name)
os.listdir(os.getcwd())
os.chdir('../')
files=os.listdir('ttf/')
for i in files:#删除无用文件
 if not (i.split('.')[-1]=='ttf' or i.split('.')[-1]=='otf'):
  if os.path.isdir(i):
   os.removedirs('ttf/'+i)
  else:
   os.remove('ttf/'+i)
print len(os.listdir('ttf/'))

#coding:utf-8
import urllib2,cookielib,sys,re,os,zipfile
import shutil
import numpy as np
cj=cookielib.CookieJar()
opener=urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
opener.addheaders=[('User-agent','Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36))')]
urllib2.install_opener(opener)
items=[]
def search(path):
 request=urllib2.Request(path)
 response=urllib2.urlopen(request)
 html=response.read()
 html=html.replace('\n',' ')
 urls=re.findall(r'href=\"(http://dl.dafont.com/dl/\?f=.*?)\" >',html)
 items.extend(urls)
for i in xrange(117):
 host='http://www.dafont.com/new.php?page='+str(i+1)
 search(host)
 print 'Page'+str(i+1)+'done'
 items=list(set(items))
 print len(items)
if not os.path.exists('ttf2'):
 os.mkdir('ttf2')
os.chdir('ttf2')
def unzip(rawfile,outputdir):
 if zipfile.is_zipfile(rawfile):
  print 'yes'
  fz=zipfile.ZipFile(rawfile,'r')
  for files in fz.namelist():
   print(files) #打印zip归档中目录
   fz.extract(files,outputdir)
 else:
  print 'no'
for i in items: 
 print i
 request=urllib2.Request(i)
 response=urllib2.urlopen(request)
 html=response.read()
 name=i.split('=')[-1]+'.zip'
 f=open(name,'w')
 f.write(html)
 f.close()
 unzip(name,'./')
 os.remove(name)
print os.listdir(os.getcwd())
for root ,dire,fis in os.walk('./'):#递归遍历文件夹
 for i in fis:
  if not (i.split('.')[-1]=='ttf' or i.split('.')[-1]=='otf'):
   os.remove(root+i)
   print i
for i in os.listdir('./'):
 if os.path.isdir(i):
  os.rmdir(i)
os.chdir('../')