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#!/usr/bin/python
# coding:utf8
from
__future__
import
division
import
pycurl
import
simplejson as json
try
:
import
signal
from
signal
import
SIGPIPE, SIG_IGN
signal.signal(signal.SIGPIPE, signal.SIG_IGN)
except
ImportError:
pass
def
curlmulti_tsdb(urls):
num_conn
=
20
queue
=
[]
for
url
in
urls:
url
=
url.strip()
filename
=
"url_%03d.dat"
%
(
len
(queue)
+
1
)
queue.append((url, filename))
num_urls
=
len
(urls)
num_conn
=
min
(num_conn, num_urls)
m
=
pycurl.CurlMulti()
m.handles
=
[]
for
i
in
range
(num_conn):
c
=
pycurl.Curl()
c.fp
=
None
c.setopt(pycurl.FOLLOWLOCATION,
1
)
c.setopt(pycurl.MAXREDIRS,
5
)
c.setopt(pycurl.CONNECTTIMEOUT,
5
)
c.setopt(pycurl.TIMEOUT,
100
)
c.setopt(pycurl.NOSIGNAL,
1
)
m.handles.append(c)
#main loop
freelist
=
m.handles[:]
num_processed
=
0
while
num_processed < num_urls:
while
queue
and
freelist:
url, filename
=
queue.pop()
c
=
freelist.pop()
c.fp
=
open
(filename,
"wb"
)
c.setopt(pycurl.URL, url)
c.setopt(pycurl.WRITEDATA, c.fp)
m.add_handle(c)
c.filename
=
filename
c.url
=
url
while
1
:
ret, num_handles
=
m.perform()
if
ret !
=
pycurl.E_CALL_MULTI_PERFORM:
break
while
1
:
num_q, ok_list, err_list
=
m.info_read()
for
c
in
ok_list:
c.fp.close()
c.fp
=
None
with
open
(c.filename,
"rb"
) as f:
print
f.readlines()
m.remove_handle(c)
freelist.append(c)
for
c, errno, errmsg
in
err_list:
c.fp.close()
c.fp
=
None
m.remove_handle(c)
print
"Failed:"
, c.url, errno, errmsg
freelist.append(c)
num_processed
=
num_processed
+
len
(ok_list)
+
len
(err_list)
if
num_q
=
=
0
:
break
m.select(
1.0
)
for
c
in
m.handles:
if
c.fp
is
not
None
:
c.fp.close()
c.fp
=
None
c.close()
m.close()
|
本文转自 Art_Hero 51CTO博客，原文链接：http://blog.51cto.com/curran/1682034，如需转载请自行联系原作者
