Set Folder Path base on Machine Hostname in Python

Question

I'm trying to make a simple if-check in python. I check for a certain hostname and set path accordingly.

But the result is unexplainable to me.

hostname = os.system('hostname')

if(hostname == 'rkim'):
    path = '/home/forge/rkim-web-app/'
    # This block of code should be running 
else:
    path = '/Applications/MAMP/htdocs/code/rkim-web-app/'
    # But this block of code run instead

Result :

python /home/forge/rkim-web-app/database/backup_mysql.py

rkim <-------- hostname printed == rkim 

Traceback (most recent call last):
  File "/home/forge/rkim-web-app/database/backup_mysql.py", line 28, in <module>
    file = open(path + '.env', "r")
IOError: [Errno 2] No such file or directory: '/Applications/MAMP/htdocs/code/rkim-web-app/.env'

What did I do wrong ?

From os.system's documentation: "the return value is the exit status of the process" — spectras
– spectras, Commented Mar 6, 2017 at 18:59
@spectras : what is the possible alternative then ? Any suggestions ? — code-8
– code-8, Commented Mar 6, 2017 at 19:00
/Applications/MAMP/htdocs/code/rkim-web-app/.env exist on my Mac OS X. — code-8
– code-8, Commented Mar 6, 2017 at 19:12

plasmon360 · Accepted Answer · 2017-03-06 19:13:23Z

3

os.system('command') seems to return exit status but prints the hostname. Instead of os module, use platform module to get the host name.

import platform 
hostname = platform.node()

if(hostname == 'rkim'):
    path = '/home/forge/rkim-web-app/'
else:
    path = '/Applications/MAMP/htdocs/code/rkim-web-app/'

edited Mar 6, 2017 at 19:13

answered Mar 6, 2017 at 19:09

plasmon360

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4 Comments

code-8 Over a year ago

Will I need to install any extra module on my linux machine or Mac OS to use this code ??

code-8 Over a year ago

Also, do you mean host = platform.node() ? or hostname = platform.node() ?

plasmon360 Over a year ago

Check this out stackoverflow.com/questions/4271740/…

code-8 Over a year ago

Thanks. Just checking. :D

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