我需要通过ftp下载文件,将其更改并上传回去。我使用的芹菜要做到这一点,但我遇到了问题,尝试使用链接的时候,我在哪里得到:顺序连续芹菜链接任务
TypeError: upload_ftp_image() takes exactly 5 arguments (6 given)
而且,我可以使用链和放心,步骤将是连续的?如果不是什么替代方案?
res = chain(download_ftp_image.s(server, username , password, "/test_app_2/model.dae" ,"tmp/test_app_2/"), upload_ftp_image.s(server, username , password, "tmp/test_app_2/model.dae" ,"tmp/test_app_2/")).apply_async()
print res.get()
任务:
@task()
def download_ftp_image(ftp_server, username , password , filename, directory):
try:
ftp = FTP(ftp_server)
ftp.login(username, password)
if not os.path.exists(directory):
os.makedirs(directory)
ftp.retrbinary("RETR /default_app/model.dae" , open(directory + 'model.dae', 'wb').write)
else:
ftp.retrbinary("RETR /default_app/model.dae" , open(directory + 'model.dae', 'wb').write)
ftp.quit()
except error_perm, resp:
raise download_ftp_image.retry(countdown=15)
return "SUCCESS: "
@task()
def upload_ftp_image(ftp_server, username , password , file , directory):
try:
ftp = FTP(ftp_server)
ftp.login(username, password)
new_file= file.replace(directory, "")
directory = directory.replace("tmp","")
try:
ftp.storbinary("STOR " + directory + new_file , open(file, "rb"))
except:
ftp.mkd(directory)
ftp.storbinary("STOR " + directory + new_file, open(file, "rb"))
ftp.quit()
except error_perm, resp:
raise upload_ftp_image.retry(countdown=15)
return "SUCCESS: "
,是这样的好的或坏的做法对我的具体情况? :
result = download_ftp_image.apply_async((server, username , password, "/test_app_2/model.dae" ,"tmp/test_app_2/",), queue='rep_data')
result.get()
result = upload_ftp_image.apply_async((server, username , password, "tmp/test_app_2/model.dae" ,"tmp/test_app_2/",), queue='rep_data')
#result.get()
我应该怎么做呢? – psychok7 2013-03-05 13:16:47
@ psychok7:展开一点。 – 2013-03-05 13:20:04
似乎我得到它的工作:) ..谢谢你帮忙 – psychok7 2013-03-05 13:31:45