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代碼片段和文件信息
#encoding:utf-8
#!/usr/bin/env?python
from?urllib?import?urlretrieve
from?time?import?ctime?sleep
from?random?import?randint
from?operator?import?add?mul
from?functools?import?partial
def?firstNonBlank(lines):
for?eachLine?in?lines:
if?not?eachLine.strip():
continue
else:
#sleep(1)
#print?eachLine
return?eachLine
def?firstLast(webpage):
print?‘webpage=?‘?webpage
f?=?open(webpage)
lines?=?f.readlines()
#print?‘lines=‘lines
f.close()
print?firstNonBlank(lines)lines.reverse()
print?firstNonBlank(lines)
def?download(url=‘http://www.baidu.com/‘?process=firstLast):
try:
retval?=?urlretrieve(url)[0]
print?‘retval=?‘retval
except?IOError:
retval?=?None
if?retval:?#?do?some?processing
process(retval)
def?newfoo(
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