+#!/usr/bin/env python2.5
+
+"""Simple program to display local gigs
+
+Intended for use on the N900, uses the devices gps to find local gigs.
+"""
+
+__author__ = "Jon Staley"
+__copyright__ = "Copyright 2010 Jon Staley"
+__license__ = "MIT"
+__version__ = "0.0.1"
+
from xml.dom.minidom import parseString
from datetime import datetime, date
+import urllib
+import time
+import gtk
+import hildon
+import location
import time
+import gobject
+from threading import Thread
+import thread
+
+gtk.gdk.threads_init()
+
+class GigParser:
+
+ def parse_xml(self, xml, lat, long):
+ """ Parse xml into a dict """
+ # TODO: filter to todays events only
+ events_list = []
+ today = date.today()
+ dom = parseString(xml)
+
+ events = dom.getElementsByTagName('event')
+ for event in events:
+ title = event.getElementsByTagName('title')[0].childNodes[0].data
+
+ artists_element = event.getElementsByTagName('artists')[0]
+ artist_list = []
+ for artist in artists_element.getElementsByTagName('artist'):
+ artist_list.append(artist.childNodes[0].data)
+ artists = ', '.join(artist_list)
+
+ venue_details = event.getElementsByTagName('venue')[0]
+ venue_name = venue_details.getElementsByTagName('name')[0].childNodes[0].data
+ address = self.get_address(venue_details.getElementsByTagName('location')[0])
+ geo_data = venue_details.getElementsByTagName('geo:point')[0]
+ venue_lat = geo_data.getElementsByTagName('geo:lat')[0].childNodes[0].data
+ venue_long = geo_data.getElementsByTagName('geo:long')[0].childNodes[0].data
+ distance = location.distance_between(float(lat),
+ float(long),
+ float(venue_lat),
+ float(venue_long))
+
+ start_date = self.parse_date(event.getElementsByTagName('startDate')[0].childNodes[0].data)
+
+ events_list.append({'title': title,
+ 'venue': venue_name,
+ 'address': address,
+ 'distance': distance,
+ 'artists': artists,
+ 'date': start_date})
+ return events_list
+
+ def get_address(self, location):
+ """ Return the venues address details from the xml element """
+ street = ''
+ city = ''
+ country = ''
+ postalcode = ''
+ if location.getElementsByTagName('street')[0].childNodes:
+ street = location.getElementsByTagName('street')[0].childNodes[0].data
+ if location.getElementsByTagName('city')[0].childNodes:
+ city = location.getElementsByTagName('city')[0].childNodes[0].data
+ if location.getElementsByTagName('country')[0].childNodes:
+ country = location.getElementsByTagName('country')[0].childNodes[0].data
+ if location.getElementsByTagName('postalcode')[0].childNodes:
+ postalcode = location.getElementsByTagName('postalcode')[0].childNodes[0].data
+ return '\n'.join([street, city, country, postalcode])
+
+ def parse_date(self, date_string):
+ """ Parse date string into datetime object """
+ fmt = "%a, %d %b %Y %H:%M:%S"
+ result = time.strptime(date_string, fmt)
+ return datetime(result.tm_year,
+ result.tm_mon,
+ result.tm_mday,
+ result.tm_hour,
+ result.tm_min,
+ result.tm_sec)
+
+class LocationUpdater:
+
+ def __init__(self):
+ self.lat = None
+ self.long = None
+ self.loop = gobject.MainLoop()
+
+ self.control = location.GPSDControl.get_default()
+ self.control.set_properties(preferred_method=location.METHOD_USER_SELECTED,
+ preferred_interval=location.INTERVAL_DEFAULT)
+ self.control.connect("error-verbose", self.on_error, self.loop)
+ self.control.connect("gpsd-stopped", self.on_stop, self.loop)
+
+ self.device = location.GPSDevice()
+ self.device.connect("changed", self.on_changed, self.control)
+
+ def update_location(self):
+ """ Run the loop and update lat and long """
+ self.reset()
+ gobject.idle_add(self.start_location, self.control)
+ self.loop.run()
+
+ def on_error(self, control, error, data):
+ print "location error: %d... quitting" % error
+ data.quit()
+
+ def on_changed(self, device, data):
+ if not device:
+ return
+ if device.fix:
+ if device.fix[1] & location.GPS_DEVICE_LATLONG_SET:
+ self.lat, self.long = device.fix[4:6]
+ data.stop()
+
+ def on_stop(self, control, data):
+ print "quitting"
+ data.quit()
+
+ def start_location(self, data):
+ data.start()
+ return False
+
+ def reset(self):
+ """ Reset coordinates """
+ self.device.reset_last_known()
+
+class GigFinder:
-def parse_xml(xml):
- """ Parse xml into a dict """
- events_list = []
- today = date.today()
- dom = parseString(xml)
+ def __init__(self):
+ self.lat = None
+ self.long = None
+ self.url_base = "http://ws.audioscrobbler.com/2.0/"
+ self.api_key = "1928a14bdf51369505530949d8b7e1ee"
+ self.distance = '10'
+ self.banner = None
+ self.parser = GigParser()
+ self.location = LocationUpdater()
- events = dom.getElementsByTagName('event')
- for event in events:
- title = event.getElementsByTagName('title')[0].childNodes[0].data
+ program = hildon.Program.get_instance()
+ self.win = hildon.StackableWindow()
+ self.win.set_title('Gig Finder')
+ self.win.connect("destroy", gtk.main_quit, None)
+
+ pannable_area = hildon.PannableArea()
+
+ self.table = gtk.Table(columns=1)
+ self.table.set_row_spacings(10)
+ self.table.set_col_spacings(10)
+
+ pannable_area.add_with_viewport(self.table)
+
+ self.win.add(pannable_area)
+
+ Thread(target=self.update_gigs).start()
+
+ def main(self):
+ menu = self.create_menu()
+ self.win.set_app_menu(menu)
+ self.win.show_all()
+ gtk.main()
+
+ def update_gigs(self):
+ """ Get gig info """
+ gobject.idle_add(self.show_message, "Getting events")
+ gobject.idle_add(self.location.update_location)
+
+ # if no gps fix wait
+ while not self.location.lat:
+ time.sleep(1)
- artists_element = event.getElementsByTagName('artists')[0]
- artist_list = []
- for artist in artists_element.getElementsByTagName('artist'):
- artist_list.append(artist.childNodes[0].data)
- artists = ', '.join(artist_list)
-
- venue = event.getElementsByTagName('venue')[0].getElementsByTagName('name')[0].childNodes[0].data
- start_date = parse_date(event.getElementsByTagName('startDate')[0].childNodes[0].data)
- events_list.append({'title': title,
- 'venue': venue,
- 'artists': artists,
- 'date': start_date})
- return events_list
-
-def parse_date(date_string):
- fmt = "%a, %d %b %Y %H:%M:%S"
- result = time.strptime(date_string, fmt)
- return datetime(result.tm_year,
- result.tm_mon,
- result.tm_mday,
- result.tm_hour,
- result.tm_min,
- result.tm_sec)
-
-def get_xml():
- return open('response.xml', 'r').read()
-
-def main():
- xml = get_xml()
- events = parse_xml(xml)
- print events
+ events = self.get_events(self.location.lat, self.location.long)
+ gobject.idle_add(self.hide_message)
+ gobject.idle_add(self.show_events, events)
+
+ def show_message(self, message):
+ """ set window progress indicator and show message """
+ hildon.hildon_gtk_window_set_progress_indicator(self.win, 1)
+ self.banner = hildon.hildon_banner_show_information(self.win,
+ '',
+ message)
+
+ def hide_message(self):
+ """ hide banner and sete progress indicator """
+ self.banner.hide()
+ hildon.hildon_gtk_window_set_progress_indicator(self.win, 0)
+
+ def get_events(self, lat, long):
+ """ retrieve xml and parse into events list """
+ xml = self.get_xml(lat, long)
+ events = self.parser.parse_xml(xml,
+ lat,
+ long)
+ return events
+ def show_events(self, events):
+ """ sort events, set new window title and add events to table """
+ events = self.sort_gigs(events)
+ self.win.set_title('Gig Finder (%s)' % len(events))
+ self.add_events(events)
+
+ def distance_cmp(self, x, y):
+ """ compare distances for list sort """
+ if x > y:
+ return 1
+ elif x == y:
+ return 0
+ else:
+ return -1
+
+ def sort_gigs(self, events):
+ """ sort gig by distance """
+ events.sort(cmp=self.distance_cmp, key=lambda x: x['distance'])
+ return events
+
+ def get_xml(self, lat, long):
+ """ Return xml from lastfm """
+ method = "geo.getevents"
+ params = urllib.urlencode({'method': method,
+ 'api_key': self.api_key,
+ 'distance': self.distance,
+ 'long': long,
+ 'lat': lat})
+ response = urllib.urlopen(self.url_base, params)
+ return response.read()
+
+ def create_menu(self):
+ """ build application menu """
+ menu = hildon.AppMenu()
+ button = hildon.GtkButton(gtk.HILDON_SIZE_AUTO)
+ button.set_label('Placeholder')
+ menu.append(button)
+ menu.show_all()
+ return menu
+
+ def show_details(self, widget, data):
+ """ Open new window showing gig details """
+ win = hildon.StackableWindow()
+ win.set_title(data['title'])
+
+ win.vbox = gtk.VBox()
+ win.add(win.vbox)
+
+ scroll = hildon.PannableArea()
+ win.vbox.pack_start(scroll, True, True, 0)
+
+ view = hildon.TextView()
+ view.set_editable(False)
+ view.unset_flags(gtk.CAN_FOCUS)
+ view.set_wrap_mode(gtk.WRAP_WORD)
+ buffer = view.get_buffer()
+ end = buffer.get_end_iter()
+ buffer.insert(end, '%s\n' % data['title'])
+ buffer.insert(end, 'Artists: %s\n' % data['artists'])
+ buffer.insert(end, 'Venue: %s\n' % data['venue'])
+ buffer.insert(end, '%s\n' % data['address'])
+ buffer.insert(end, 'When: %s\n' % data['date'].strftime('%H:%M'))
+ buffer.insert(end, '\n')
+ scroll.add_with_viewport(view)
+
+ win.show_all()
+
+ def add_events(self, events):
+ """ Add a table of buttons """
+ pos = 0
+ for event in events:
+ button = hildon.Button(gtk.HILDON_SIZE_AUTO_WIDTH | gtk.HILDON_SIZE_FINGER_HEIGHT,
+ hildon.BUTTON_ARRANGEMENT_VERTICAL)
+ button.set_text(event['title'], "distance: %0.02f km" % event['distance'])
+ button.connect("clicked", self.show_details, event)
+ self.table.attach(button, 0, 1, pos, pos+1)
+ pos += 1
+ self.table.show_all()
+
if __name__ == "__main__":
- main()
+ finder = GigFinder()
+ finder.main()
projects / gigfinder / blobdiff