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Full Discussion: Python: popen problems
Top Forums Shell Programming and Scripting Python: popen problems Post 302121098 by ghostdog74 on Monday 11th of June 2007 09:05:02 PM
Old 06-11-2007
Quote:
Originally Posted by sendai
Hello I'm writing a web server in python(obelisk-http.sourceforge.net)
and I'm having a greeat problem with POST method it like that

When someone make a POST request to the server it must open the executable(perl/python/.exe/elf) and send to the STANDART in (stdin) the request and get the response.

when i send the request to stdin of any binarie(.exe or elf) works

but when i try to use a script it don't read the stdin I'm using a code like that

Code:
import os,sys
from subprocess import Popen,PIPE 

try:
    stdin, stdout = os.popen2("script.py")
except:
    exit(1)
stdin.write("Hello World!")
stdin.close()
print stdout.read()
stdout.close()


script.py:

Code:
print raw_input() #just read from stdin and send to stdout


ok, but it don't work :\

someone have an ideia?

Code:
try:
    stdin, stdout = os.popen2("python script.py")
except:
    exit(1)
stdin.write("Hello World!")
stdin.close()
print stdout.read()
stdout.close()

you are also not using the methods you imported from subprocess..I assume you are going to used them later?
thesubprocess s module in later Python version is meant to replace os.popen* and other older methods.
last point : its better to structure your script.py so that you can import them into your script, instead of calling them from the shell..an example of what i mean
script.py
Code:
def printstdin():
    return raw_input()

then from your main script, you do:
Code:
import script

then you can use printstdin().
 

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NAME

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