Python command in python script from another python script

Question

I read already this What is the best way to call a Python script from another Python script?

In my case I don't want to call another python script in a python script, but I want to call for example the ssylze.py with the specific options

$ python sslyze.py --regular www.target1.com

like consider in https://code.google.com/p/sslyze/wiki/QuickStart

So I have script test1.py and in that script I would like to use

sslyze.py --regular www.target1.com

how I do that?

subprocess.Popen(["python", "sslyze.py", "--regular", "www.target1.com"]) — paddyg
– paddyg, Commented Apr 22, 2015 at 12:36
Why don't you just import sslyze and call whatever entry point function the command line call would? If it's sensibly structured, this will be trivial. — jonrsharpe
– jonrsharpe, Commented Apr 22, 2015 at 12:41
@paddyg the subprocess works fine, but I have two problems. for the "www.target1.com" I want to use a variable, so that I can make for-loop and read form txt different ips (but it didn't work out), and the second one is that I don't want that this command print the information on the console, but that it print this in a new file. — Loretta
– Loretta, Commented May 4, 2015 at 10:52
import subprocess file_in = open("ip.txt", "r") fname = "scan.txt" file_out = open("scan.txt","w") i = 1 for line in file_in: print line process = subprocess.Popen(["python", "sslyze.py", "--regular", line], stdout=subprocess.PIPE) print process.stdout.read() i = i + 1 file_out.close() file_in.close() the problem is that it only can scan the last ip, at the others ips it says "=> WARNING: Could not resolve hostname; discarding corresponding tasks." — Loretta
– Loretta, Commented May 4, 2015 at 11:33

paddyg · Accepted Answer · 2015-05-04 14:58:52Z

1

Not sure if I've unscrambled the code from your comment ok and whether this is what you are trying to do. As I don't know what sslyze.py is doing I haven't tested it. However your problem might be due to not waiting for each subprocess to terminate:

import subprocess 
with open("ip.txt", "r") as file_in:
  fname = "scan.txt" 
  with open("scan.txt","w") as file_out:
    for line in file_in: 
      process = subprocess.Popen(["python", "sslyze.py", "--regular", line], stdout=subprocess.PIPE) 
      file_out.write(process.communicate()) # you might need to append \n to whatever you write

answered May 4, 2015 at 14:58

paddyg

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2 Comments

Loretta Over a year ago

if I do it like that - I get the following exception: "File "SHA1Scanner.py", line 38, in <module> file_out.write(process.communicate()) TypeError: expected a character buffer object"

Loretta Over a year ago

process.wait() was missing , that was my problem. but thanks for the indirect tip with the "with" command - it is much better that I did ;)

EvenLisle · Accepted Answer · 2015-04-22 12:40:23Z

0

You can use the argparse module:

import argparse
parser = argparse.ArgumentParser()
parser.add_argument("-r", "--regular", action="store")
args = parser.parse_args()
print vars(args)["regular"]

Running the above snippet (asd.py) with python asd.py --regular www.target1.com will print "www.target1.com". Hope this provides enough of an example to be helpful.

answered Apr 22, 2015 at 12:40

EvenLisle

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1 Comment

Loretta Over a year ago

it is not my intention to print the domain or I understand you wrong.

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