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Fix errors in setup script for python 3.x #12

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merged 3 commits into from
Mar 29, 2017
Merged

Fix errors in setup script for python 3.x #12

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6c891fa
Fix errors in setup script for python 3.x
kabirbaidhya Mar 29, 2017
487a804
Remove extra printed characters
kabirbaidhya Mar 29, 2017
0b685c9
Wrap setup code inside setup function
kabirbaidhya Mar 29, 2017
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79 changes: 43 additions & 36 deletions setup/setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -118,34 +118,35 @@ def err_t(s):

# Just a simple command to execute shell commands and display the output
def exec_cmd(cmd):
print cmd_t('> {}'.format(cmd))
print(cmd_t('> {}'.format(cmd)))

p = Popen(cmd.split(' '), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

output = ''

for line in iter(p.stdout.readline, b''):
print out_t('| ' + line.rstrip())
for raw_line in iter(p.stdout.readline, b''):
line = raw_line.decode('utf-8')
print(out_t('| ' + line.rstrip()))
output += line

returncode = p.wait()

if returncode != 0:
raise CalledProcessError(returncode, cmd)

print ''
print('')

return output.rstrip()


def ensure_package_installed(package_name):
print info_t('Ensure {0} is installed'.format(package_name))
print(info_t('Ensure {0} is installed'.format(package_name)))

try:
# Ensure pglistend package is installed on the system globally
exec_cmd('npm list -g {}'.format(package_name))
except CalledProcessError:
print err_t('Warning: npm list returned non-zero exit code.')
print(err_t('Warning: npm list returned non-zero exit code.'))


def get_exec_path(exec_name):
Expand All @@ -161,7 +162,7 @@ def get_exec_path(exec_name):


def mkdir(directory):
print info_t('Create directory {0}'.format(directory))
print(info_t('Create directory {0}'.format(directory)))

try:
exec_cmd('mkdir -p {0}'.format(directory))
Expand All @@ -172,12 +173,12 @@ def mkdir(directory):


def create_file(filename, contents):
print info_t('Write to file {0}'.format(filename))
print(info_t('Write to file {0}'.format(filename)))

try:
with open(filename, 'w') as f:
f.write(contents)
except Exception, e:
except Exception as e:
raise SystemExit(err_t('Error: ' + str(e)))


Expand All @@ -201,7 +202,7 @@ def create_config_file(filename):


def enable_daemon():
print info_t('Enable the service')
print(info_t('Enable the service'))

try:
# Ensure pglistend package is installed on the system globally
Expand All @@ -211,7 +212,7 @@ def enable_daemon():


def check_status():
print info_t('Check status')
print(info_t('Check status'))

try:
exec_cmd('systemctl is-enabled {0}'.format(PACKAGE))
Expand All @@ -220,36 +221,42 @@ def check_status():
pass


###############################################################################
# Setup Process
print '\nSetup - pglistend - Postgres LISTEN Daemon'
print '---------------------------------------------------'
def setup():
'''
Setup Process
'''
print()
print('Setup - pglistend - Postgres LISTEN Daemon')
print('------------------------------------------')

# Ensure the package is installed globally on the system
ensure_package_installed(PACKAGE)
# Ensure the package is installed globally on the system
ensure_package_installed(PACKAGE)

# Ensure the pglisten cli command exists and get its path
EXEC_PATH = get_exec_path(EXEC_NAME)
# Ensure the pglisten cli command exists and get its path
exec_path = get_exec_path(EXEC_NAME)

# Create the application directory
mkdir(BASE_DIRECTORY)
# Create the application directory
mkdir(BASE_DIRECTORY)

# Create a default listener file
create_file(DEFAULT_LISTENER_FILE, DEFAULT_LISTENER_TEMPLATE)
# Create a default listener file
create_file(DEFAULT_LISTENER_FILE, DEFAULT_LISTENER_TEMPLATE)

# Create application config file
create_config_file(CONFIG_FILE)
# Create application config file
create_config_file(CONFIG_FILE)

# Create the systemd daemon unit file
create_systemd_unit_file('/etc/systemd/system/pglistend.service', EXEC_PATH)
# Create the systemd daemon unit file
create_systemd_unit_file(
'/etc/systemd/system/pglistend.service', exec_path)

# Finally enable the daemon and check status
enable_daemon()
check_status()
# Finally enable the daemon and check status
enable_daemon()
check_status()

print ok_t('\nAll done!!')
print(
'Please manually edit the configuration file {0}. \n'
'And finally start the service using {1}.'
.format(out_t(CONFIG_FILE), out_t('systemctl start ' + PACKAGE))
)
print(ok_t('\nAll done!!'))
print(
'Please manually edit the configuration file {0}. \n'
'And finally start the service using {1}.'
.format(out_t(CONFIG_FILE), out_t('systemctl start ' + PACKAGE))
)

setup()