#!/usr/bin/python

 """

 A time recording tool.

 Author: Eugen Sawin (sawine@me73.com)

 """

 import os

 import argparse

 WD = "working_path"

 CONFIG = {WD: str}

 CONFIG_SEP = "="

 config = {}

 try: # Windows

 	from win32com.shell import shellcon, shell

 	HOMEDIR	= shell.SHGetFolderPath(0, shellcon.CSIDL_LOCAL_APPDATA, 0, 0)

 except ImportError: # Linux

 	HOMEDIR = os.path.expanduser("~")

 CONFIG_FILE = "%s/.cronrecrc" % HOMEDIR

 def read_config():

 	config = {}

 	with open(CONFIG_FILE, "r") as config_stream:

 		config_lines = [l.split(CONFIG_SEP) for l in config_stream.readlines() 

 						if CONFIG_SEP in l]

 		for key, value in config_lines:

 			key = key.strip().lower()

 			value = value.strip()

 			if key in CONFIG:

 				config[key] = CONFIG[key](value)

 	return config

 def write_config(config):

 	with open(CONFIG_FILE, "w") as config_input:

 		config_input.write("\n".join([CONFIG_SEP.join((k, v)) 

 							for k, v in config.iteritems() if k in CONFIG]))

 def init(args):

 	last_wd = None

 	if WD in config:

 		last_wd = config[WD]

 	config[WD] = args.dbpath

 	write_config(config)

 	if last_wd != config[WD]:

 		print "Changed working directory from %s to %s" % (last_wd, config[WD])

 	elif not last_wd:

 		print "Set new working directory to %s" % (config[WD])

 	else:

 		print "Working directory remains at %s" % config[WD]

 def begin(args):

 	print "begins"

 def end(args):

 	print "ends"

 if __name__ == "__main__":

 	config = read_config()

 	parser = argparse.ArgumentParser(description="Records time.")

 	subs = parser.add_subparsers()

 	sub_begin = subs.add_parser("init")

 	sub_begin.add_argument("dbpath")

 	sub_begin.set_defaults(func=init)

 	sub_begin = subs.add_parser("begin")

 	sub_begin.add_argument("label")

 	sub_begin.set_defaults(func=begin)

 	sub_end = subs.add_parser("end")

 	sub_end.add_argument("label")

 	sub_end.set_defaults(func=end)

 	args = parser.parse_args()

 	args.func(args)