def cmd_fw_download(self, args):
'''cmd handler for downloading firmware'''
stuff = self.filtered_rows_from_args(args)
if stuff is None:
return
(filtered, remainder) = stuff
if len(filtered) == 0:
print("fw: No firmware specified")
return
if len(filtered) > 1:
print("fw: No single firmware specified")
return
firmware = filtered[0]["_firmware"]
url = firmware["url"]
try:
print("fw: URL: %s" % (url,))
filename=os.path.basename(url)
files = []
files.append((url,filename))
child = multiproc.Process(target=mp_util.download_files, args=(files,))
child.start()
except Exception as e:
print("fw: download failed")
print(e)
def createFileList(self):
"""SRTM data is split into different directories, get a list of all of
them and create a dictionary for easy lookup."""
global childFileListDownload
global filelistDownloadActive
mypid = os.getpid()
if mypid not in childFileListDownload or not childFileListDownload[mypid].is_alive():
childFileListDownload[mypid] = multiproc.Process(target=self.createFileListHTTP)
filelistDownloadActive = 1
childFileListDownload[mypid].start()
filelistDownloadActive = 0
def getTile(self, lat, lon):
"""Get a SRTM tile object. This function can return either an SRTM1 or
SRTM3 object depending on what is available, however currently it
only returns SRTM3 objects."""
global childFileListDownload
global filelistDownloadActive
mypid = os.getpid()
if mypid in childFileListDownload and childFileListDownload[mypid].is_alive():
if self.debug:
print("still getting file list")
return 0
elif not os.path.isfile(self.filelist_file) and filelistDownloadActive == 0:
self.createFileList()
return 0
elif not self.filelist:
if self.debug:
print("Filelist download complete, loading data ", self.filelist_file)
data = open(self.filelist_file, 'rb')
self.filelist = pickle.load(data)
data.close()
try:
continent, filename = self.filelist[(int(lat), int(lon))]
except KeyError:
if len(self.filelist) > self.min_filelist_len:
# we appear to have a full filelist - this must be ocean
return SRTMOceanTile(int(lat), int(lon))
return 0
global childTileDownload
mypid = os.getpid()
if not os.path.exists(os.path.join(self.cachedir, filename)):
if not mypid in childTileDownload or not childTileDownload[mypid].is_alive():
try:
childTileDownload[mypid] = multiproc.Process(target=self.downloadTile, args=(str(continent), str(filename)))
childTileDownload[mypid].start()
except Exception as ex:
if mypid in childTileDownload:
childTileDownload.pop(mypid)
return 0
'''print("Getting Tile")'''
return 0
elif mypid in childTileDownload and childTileDownload[mypid].is_alive():
'''print("Still Getting Tile")'''
return 0
# TODO: Currently we create a new tile object each time.
# Caching is required for improved performance.
try:
return SRTMTile(os.path.join(self.cachedir, filename), int(lat), int(lon))
except InvalidTileError:
return 0
def param_help_download(self):
'''download XML files for parameters'''
files = []
for vehicle in ['Rover', 'ArduCopter', 'ArduPlane', 'ArduSub', 'AntennaTracker']:
url = 'http://autotest.ardupilot.org/Parameters/%s/apm.pdef.xml.gz' % vehicle
path = mp_util.dot_mavproxy("%s.xml" % vehicle)
files.append((url, path))
url = 'http://autotest.ardupilot.org/%s-defaults.parm' % vehicle
if vehicle != 'AntennaTracker':
# defaults not generated for AntennaTracker ATM
path = mp_util.dot_mavproxy("%s-defaults.parm" % vehicle)
files.append((url, path))
try:
child = multiproc.Process(target=mp_util.download_files, args=(files,))
child.start()
except Exception as e:
print(e)
def __init__(self,
title='SlipMap',
lat=-35.362938,
lon=149.165085,
width=800,
height=600,
ground_width=1000,
tile_delay=0.3,
service="MicrosoftSat",
max_zoom=19,
debug=False,
brightness=0,
elevation=False,
download=True,
show_flightmode_legend=True,
timelim_pipe=None):
self.lat = lat
self.lon = lon
self.width = width
self.height = height
self.ground_width = ground_width
self.download = download
self.service = service
self.tile_delay = tile_delay
self.debug = debug
self.max_zoom = max_zoom
self.elevation = elevation
self.oldtext = None
self.brightness = brightness
self.legend = show_flightmode_legend
self.timelim_pipe = timelim_pipe
self.drag_step = 10
self.title = title
self.event_queue = multiproc.Queue()
self.object_queue = multiproc.Queue()
self.close_window = multiproc.Semaphore()
self.close_window.acquire()
self.child = multiproc.Process(target=self.child_task)
self.child.start()
self._callbacks = set()
def show(self):
t = multiproc.Process(target=self.call)
t.start()