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Added pidfile option to the main

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This commit is contained in:
Fabio Manganiello 2018-12-19 21:15:06 +01:00
parent 44d24b42d1
commit fb75dc323e
1 changed files with 17 additions and 2 deletions
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19
platypush/__init__.py
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@ -7,6 +7,7 @@ Platypush
import argparse
import logging
import os
import sys
import traceback
@ -41,21 +42,31 @@ class Daemon:
# - plugins will post the responses they process
bus = None
pidfile = None
# backend_name => backend_obj map
backends = None
# number of executions retries before a request fails
n_tries = 2
def __init__(self, config_file=None, requests_to_process=None):
def __init__(self, config_file=None, pidfile=None, requests_to_process=None):
"""
Constructor
Params:
config_file -- Configuration file override (default: None)
pidfile -- File where platypush will store its PID upon launch,
useful if you're planning to integrate the application
within a service or a launcher script (default: None)
requests_to_process -- Exit after processing the specified number
of requests (default: None, loop forever)
"""
if pidfile:
self.pidfile = pidfile
with open(self.pidfile, 'w') as f:
f.write(os.getpid())
self.config_file = config_file
self.event_processor = EventProcessor()
self.requests_to_process = requests_to_process
@ -74,9 +85,13 @@ class Daemon:
parser = argparse.ArgumentParser()
parser.add_argument('--config', '-c', dest='config', required=False,
default=None, help=cls.config_file.__doc__)
parser.add_argument('--pidfile', '-P', dest='pidfile', required=False,
default=None, help="File where platypush will " +
"store its PID, useful if you're planning to " +
"integrate it in a service")
opts, args = parser.parse_known_args(args)
return cls(config_file=opts.config)
return cls(config_file=opts.config, pidfile=opts.pidfile)
def on_message(self):
"""