81 lines
2.2 KiB
Python
Executable file
81 lines
2.2 KiB
Python
Executable file
#!/usr/bin/python
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'''
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authors: edistar
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license: gpl v2 or later
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version 0.2
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'''
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from __future__ import with_statement
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import time
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import datetime
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import ecore
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import e_dbus
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import os
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from dbus import SystemBus, Interface
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from optparse import OptionParser
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class Main:
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def __init__(self):
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self.GetPath()
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# get FSO Usage proxy/iface up to request GPS
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self.systembus=systembus = SystemBus(mainloop=e_dbus.DBusEcoreMainLoop())
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self.usage_proxy = self.systembus.get_object('org.freesmartphone.ousaged', '/org/freesmartphone/Usage')
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self.usage_iface = Interface(self.usage_proxy, 'org.freesmartphone.Usage')
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# Request GPS from FSO (which then powers on the GPS chip)
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self.usage_iface.RequestResource("GPS")
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#get gypsy proxy/iface up
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self.ogpsd_proxy = self.systembus.get_object('org.freesmartphone.ogpsd', '/org/freedesktop/Gypsy')
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self.course_iface = Interface(self.ogpsd_proxy, 'org.freedesktop.Gypsy.Course')
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self.pos_iface = Interface(self.ogpsd_proxy, 'org.freedesktop.Gypsy.Position')
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# call self.UpdatePosition() when a dbus signal "PositionChanged" comes along the system bus
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self.pos_iface.connect_to_signal("PositionChanged", self.UpdatePosition)
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def UpdatePosition(self, fields, timestamp, lat, lon, alt):
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# get UTC time from gypsy timestamp
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string = str(datetime.datetime.utcfromtimestamp(timestamp))
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date, time = string.split()
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utctime = "%sT%sZ" % (date, time)
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# write data to file
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s ="%s,%s,%s,%s\n" % (lat, lon, alt, utctime)
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with open(self.trackfile,'a') as file:
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file.write(s)
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#debugging output:
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print s
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def Parser(self):
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# parse command line options
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self.parser=OptionParser("usage foo bar")
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self.parser.add_option("-f", "--file", "-o", "-l", action = "store", dest = "trackfile")
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(self.options, self.args) = self.parser.parse_args()
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def GetPath(self):
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trackpath = '.'
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suffix = 'track'
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self.Parser()
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# raises an Exception if the path doesn't exist! :)
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path, rubbish, suffix = self.trackfile.options.rpartition("/")
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if not os.path.exists(path):
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raise Exception("path does not exist!")
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# sets trackfile path and filename
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self.trackfile = "%s/%s-%s" % (trackpath, time.strftime(), suffix)
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test=Main()
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ecore.main_loop_begin()
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