PS comm

import logging
import subprocess


PS_PATH = 'C:\\WINDOWS\\system32\\WindowsPowerShell\\v1.0\\powershell.exe'


def demo_ps_comm_that_works():
    pipe = subprocess.Popen(
        [PS_PATH, 'Write-Host "Hello World!";'],
        stdout=subprocess.PIPE, stderr=subprocess.PIPE
    )

    stdout_data, stderr_data = pipe.communicate()
    rc = pipe.returncode
    if rc != 0:
        logging.warning(f'Unexpected return code!: {rc}')
    if stderr_data:
        logging.error(f'Error is {stderr_data}')

    try:
        result = stdout_data.decode('cp866')
    except Exception as e:
        logging.critical(f'Couldn\'t decode message!:\n{stdout_data}')
    else:
        return result.strip().split('\n')


def demo_ps_comm_that_doesnt_work():
    pipe = subprocess.Popen(
        [
            PS_PATH,
            'Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010;',
            'Write-Host "Hello!";',
        ],
        stdout=subprocess.PIPE, stderr=subprocess.PIPE
    )

    stdout_data, stderr_data = pipe.communicate()
    rc = pipe.returncode
    if rc != 0:
        logging.warning(f'Unexpected return code!: {rc}')
    if stderr_data:
        logging.error(f'Error is {stderr_data}')

    try:
        result = stdout_data.decode('cp866')
    except Exception as e:
        logging.critical(f'Couldn\'t decode message!:\n{stdout_data}')
    else:
        return result.strip().split('\n')


####
# Doesnt work too
PS_GET_MAILBOXES_CMD = '''Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010
Get-Mailbox -DomainController "{DC}" | ForEach-Object {{
    Write-Host ($_.Name, $_.ForwardingAddress, $_.DeliverToMailboxAndForward, $_.PrimarySmtpAddress) -Separator "{sep}"
}}
'''
###

print(demo_ps_comm_that_works())
print(demo_ps_comm_that_doesnt_work())