On Wed, Sep 10, 2014 at 11:20:38AM +0200, jarod...@libero.it wrote:
> If I follow the exmple I have this type of error:
> File "./RNA_prova.py", line 73, in run
> for line in p1.stdout():
> TypeError: 'NoneType' object is not callable
Somehow you have p1.stdout set to None. You can confirm this by
inserting this line immediately before line 73 with:
print p1.stdout
which will almost certainly print "None" just before the exception.
More comments below:
> This is the class I use:
> def run(cmd,pi):
> import subprocess
> import time
> import logging
This is not a class, it is a function ("def", rather than "class").
Also, it is normally a good idea to have all your imports done once, at
the top of the module, rather than inside a function or method. And it
is very unusual to use two tabs for a single indent level. It is
recommended to use one tab or 4 spaces.
> logging.basicConfig(level=logging.DEBUG,format="%(asctime)s -
> %(name)s - %
> (levelname)s - %(message)s")
> #logging.debug(" Running pipelines: %s" % (cmd))
> # setup logging
> log_file = "None"
Here you set the log_file to the string "None". What is the purpose of
this? It seems like a strange thing to do.
> tou = "file"+"_.log.txt"
> if log_file is not None:
Since you have just set the variable log_file to a string, it CANNOT
possibly be None. So this clause will ALWAYS run, and the "else" clause
is dead code that cannot possibly occur.
*Provided* that this is the code you are actually running. I doubt this
is actually the code you are running, since the error shown tells you
that p1.stdout is set to None, which requires the else clause to run. So
I think that this code you show us and the code you are actually running
are not the same.
Am I right?
> logfh = open(tou, "w")
> else:
> logfh = None
> print
> "####################################################"
> p1 =
> subprocess.Popen(cmd,shell=True,stdout=logfh,stderr=logfh,cwd=pi)
For p1.stdout to be set to None, logfh must be set to None. You can
check that by putting:
print logfh, p1.stdout
here.
Please stop replying to Digests without trimming the hundreds and
hundreds of lines of irrelevent quoted messages.
--
Steven
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