def __init__(self, file_or_path, cachebasedir=None):
self.device = FlytecDevice(file_or_path)
self._memory = [None] * 352
self._routes = None
self._routes_rev = None
self._snp = self.device.pbrsnp()
self._tracklogs = None
self._waypoints = None
self._waypoints_rev = None
self.revs = defaultdict(int)
if cachebasedir is None:
cachebasedir = os.path.expanduser('~/.flytecfs/cache')
self.cachedir = os.path.join(cachebasedir,
self._snp.instrument,
self._snp.serial_number)
def __init__(self, file_or_path, cachebasedir=None):
self.device = FlytecDevice(file_or_path)
self._memory = [None] * 352
self._routes = None
self._routes_rev = None
self._snp = self.device.pbrsnp()
self._tracklogs = None
self._waypoints = None
self._waypoints_rev = None
self.revs = defaultdict(int)
if cachebasedir is None:
cachebasedir = os.path.expanduser("~/.flytecfs/cache")
self.cachedir = os.path.join(cachebasedir, self._snp.instrument, self._snp.serial_number)
class Flytec(object):
def __init__(self, file_or_path, cachebasedir=None):
self.device = FlytecDevice(file_or_path)
self._memory = [None] * 352
self._routes = None
self._routes_rev = None
self._snp = self.device.pbrsnp()
self._tracklogs = None
self._waypoints = None
self._waypoints_rev = None
self.revs = defaultdict(int)
if cachebasedir is None:
cachebasedir = os.path.expanduser('~/.flytecfs/cache')
self.cachedir = os.path.join(cachebasedir,
self._snp.instrument,
self._snp.serial_number)
def get_cache_path(self, *args):
return os.path.join(self.cachedir, *args)
def memory(self, sl=slice(None, None)):
if sl.start is None:
sl = slice(0, sl.stop)
elif sl.start >= len(self._memory):
sl = slice(len(self._memory), sl.stop)
if sl.stop is None or sl.stop > len(self._memory):
sl = slice(sl.start, len(self._memory))
address = sl.start
while address < sl.stop:
if self._memory[address] is None:
page = self.device.pbrmemr(slice(address, address + 8))
self._memory[address:address + len(page)] = page
address += len(page)
else:
address += 1
return ''.join(map(chr, self._memory[sl]))
def route_unlink(self, route):
if not route.index:
return False
self.device.pbrrtx(route)
if not self._routes is None:
self._routes = [r for r in self._routes if r != route]
self.revs['routes'] += 1
self._routes_rev = self.revs['routes']
self.revs['route_%s' % route.long_name] += 1
return True
def routes(self):
if self._routes is None or self._routes_rev != self.revs['routes']:
self._routes = self.device.pbrrts()
self._routes_rev = self.revs['routes']
return self._routes
def snp(self):
if self._snp is None:
self._snp = self.device.pbrsnp()
return self._snp
def tracklog_content(self, tracklog):
if hasattr(tracklog, '_content'):
return tracklog._content
cache_path = self.get_cache_path('tracklogs', 'contents', tracklog.id)
try:
with open(cache_path) as file:
gzfile = GzipFile(None, 'r', None, file)
tracklog._content = gzfile.read()
gzfile.close()
except IOError:
tracklog._content = self.device.pbrtr(tracklog)
try:
dirname = os.path.dirname(cache_path)
if not os.path.exists(dirname):
os.makedirs(dirname)
fd, tmppath = mkstemp('', '', dirname)
try:
with os.fdopen(fd, 'w') as file:
gzfile = GzipFile(tracklog.igc_filename, 'w', 9, file)
gzfile.write(tracklog._content)
gzfile.close()
os.rename(tmppath, cache_path)
except:
os.remove(tmppath)
raise
except IOError:
pass
return tracklog._content
def tracklog_rename(self, tracklog, filename):
tracklog.filename = filename
try:
rename_path = self.get_cache_path('tracklogs', 'rename', tracklog.id)
dirname = os.path.dirname(rename_path)
if not os.path.exists(dirname):
os.makedirs(dirname)
if os.path.lexists(rename_path):
os.unlink(rename_path)
os.symlink(filename, rename_path)
except IOError:
pass
self.revs['tracklogs'] += 1
def tracklog_unlink(self, tracklog):
cache_path = self.get_cache_path('tracklogs', 'contents', tracklog.id)
if os.path.exists(cache_path):
os.unlink(cache_path)
rename_path = self.get_cache_path('tracklogs', 'rename', tracklog.id)
if os.path.lexists(rename_path):
os.unlink(rename_path)
self._tracklogs = [t for t in self._tracklogs if t != tracklog]
self.revs['tracklogs'] += 1
def tracklogs(self):
if not self._tracklogs is None:
return self._tracklogs
self._tracklogs = self.device.pbrtl()
snp = self.snp()
serial_number = re.sub(r'\A0+', '', snp.serial_number)
dates = {}
for tracklog in self._tracklogs:
dates.setdefault(tracklog.dt.date(), set()).add(tracklog.dt.time())
cache_path = self.get_cache_path('tracklogs', 'contents')
if os.path.exists(cache_path):
for path in listdir(cache_path):
m = TRACKLOG_ID_RE.match(path)
if m:
date = datetime.date(*map(int, m.groups()[0:3]))
time = datetime.time(*map(int, m.groups()[3:6]))
dates.setdefault(date, set()).add(time)
for date, _set in dates.items():
dates[date] = sorted(_set)
for tracklog in self._tracklogs:
tracklog.id = tracklog.dt.strftime('%Y-%m-%dT%H:%M:%SZ')
index = dates[tracklog.dt.date()].index(tracklog.dt.time()) + 1
tracklog.igc_filename = '%s-%s-%s-%02d.IGC' \
% (tracklog.dt.strftime('%Y-%m-%d'),
snp.manufacturer[1],
serial_number,
index)
rename_path = self.get_cache_path('tracklogs',
'rename',
tracklog.id)
if os.path.islink(rename_path):
tracklog.filename = os.readlink(rename_path)
else:
tracklog.filename = tracklog.igc_filename
date = tracklog.dt.date()
return self._tracklogs
def waypoint_create(self, waypoint):
self.device.pbrwpr(waypoint)
self.revs['waypoints'] += 1
self.revs['waypoint_%s' % waypoint.long_name] += 1
def waypoint_get(self, long_name):
for waypoint in self.waypoints():
if waypoint.long_name == long_name:
return waypoint
return None
def waypoint_unlink(self, waypoint):
for route in self.routes():
if any(waypoint.long_name == rp.long_name
for rp in route.routepoints):
return False
self.device.pbrwpx(waypoint)
self.revs['waypoints'] += 1
self._waypoints = [w for w in self._waypoints if w != waypoint]
self._waypoints_rev = self.revs['waypoints']
self.revs['waypoint_%s' % waypoint.long_name] += 1
return True
def waypoints(self):
if self._waypoints is None \
or self._waypoints_rev != self.revs['waypoints']:
self._waypoints = self.device.pbrwps()
self._waypoints_rev = self.revs['waypoints']
return self._waypoints
class Flytec(object):
def __init__(self, file_or_path, cachebasedir=None):
self.device = FlytecDevice(file_or_path)
self._memory = [None] * 352
self._routes = None
self._routes_rev = None
self._snp = self.device.pbrsnp()
self._tracklogs = None
self._waypoints = None
self._waypoints_rev = None
self.revs = defaultdict(int)
if cachebasedir is None:
cachebasedir = os.path.expanduser("~/.flytecfs/cache")
self.cachedir = os.path.join(cachebasedir, self._snp.instrument, self._snp.serial_number)
def get_cache_path(self, *args):
return os.path.join(self.cachedir, *args)
def memory(self, sl=slice(None, None)):
if sl.start is None:
sl = slice(0, sl.stop)
elif sl.start >= len(self._memory):
sl = slice(len(self._memory), sl.stop)
if sl.stop is None or sl.stop > len(self._memory):
sl = slice(sl.start, len(self._memory))
address = sl.start
while address < sl.stop:
if self._memory[address] is None:
page = self.device.pbrmemr(slice(address, address + 8))
self._memory[address : address + len(page)] = page
address += len(page)
else:
address += 1
return "".join(map(chr, self._memory[sl]))
def route_unlink(self, route):
if not route.index:
return False
self.device.pbrrtx(route)
if not self._routes is None:
self._routes = [r for r in self._routes if r != route]
self.revs["routes"] += 1
self._routes_rev = self.revs["routes"]
self.revs["route_%s" % route.long_name] += 1
return True
def routes(self):
if self._routes is None or self._routes_rev != self.revs["routes"]:
self._routes = self.device.pbrrts()
self._routes_rev = self.revs["routes"]
return self._routes
def snp(self):
if self._snp is None:
self._snp = self.device.pbrsnp()
return self._snp
def tracklog_content(self, tracklog):
if hasattr(tracklog, "_content"):
return tracklog._content
cache_path = self.get_cache_path("tracklogs", "contents", tracklog.id)
try:
with open(cache_path) as file:
gzfile = GzipFile(None, "r", None, file)
tracklog._content = gzfile.read()
gzfile.close()
except IOError:
tracklog._content = self.device.pbrtr(tracklog)
try:
dirname = os.path.dirname(cache_path)
if not os.path.exists(dirname):
os.makedirs(dirname)
fd, tmppath = mkstemp("", "", dirname)
try:
with os.fdopen(fd, "w") as file:
gzfile = GzipFile(tracklog.igc_filename, "w", 9, file)
gzfile.write(tracklog._content)
gzfile.close()
os.rename(tmppath, cache_path)
except:
os.remove(tmppath)
raise
except IOError:
pass
return tracklog._content
def tracklog_rename(self, tracklog, filename):
tracklog.filename = filename
try:
rename_path = self.get_cache_path("tracklogs", "rename", tracklog.id)
dirname = os.path.dirname(rename_path)
if not os.path.exists(dirname):
os.makedirs(dirname)
if os.path.lexists(rename_path):
os.unlink(rename_path)
os.symlink(filename, rename_path)
except IOError:
pass
self.revs["tracklogs"] += 1
def tracklog_unlink(self, tracklog):
cache_path = self.get_cache_path("tracklogs", "contents", tracklog.id)
if os.path.exists(cache_path):
os.unlink(cache_path)
rename_path = self.get_cache_path("tracklogs", "rename", tracklog.id)
if os.path.lexists(rename_path):
os.unlink(rename_path)
self._tracklogs = [t for t in self._tracklogs if t != tracklog]
self.revs["tracklogs"] += 1
def tracklogs(self):
if not self._tracklogs is None:
return self._tracklogs
self._tracklogs = self.device.pbrtl()
snp = self.snp()
serial_number = re.sub(r"\A0+", "", snp.serial_number)
dates = {}
for tracklog in self._tracklogs:
dates.setdefault(tracklog.dt.date(), set()).add(tracklog.dt.time())
cache_path = self.get_cache_path("tracklogs", "contents")
if os.path.exists(cache_path):
for path in listdir(cache_path):
m = TRACKLOG_ID_RE.match(path)
if m:
date = datetime.date(*map(int, m.groups()[0:3]))
time = datetime.time(*map(int, m.groups()[3:6]))
dates.setdefault(date, set()).add(time)
for date, _set in dates.items():
dates[date] = sorted(_set)
for tracklog in self._tracklogs:
tracklog.id = tracklog.dt.strftime("%Y-%m-%dT%H:%M:%SZ")
index = dates[tracklog.dt.date()].index(tracklog.dt.time()) + 1
tracklog.igc_filename = "%s-%s-%s-%02d.IGC" % (
tracklog.dt.strftime("%Y-%m-%d"),
snp.manufacturer[1],
serial_number,
index,
)
rename_path = self.get_cache_path("tracklogs", "rename", tracklog.id)
if os.path.islink(rename_path):
tracklog.filename = os.readlink(rename_path)
else:
tracklog.filename = tracklog.igc_filename
date = tracklog.dt.date()
return self._tracklogs
def waypoint_create(self, waypoint):
self.device.pbrwpr(waypoint)
self.revs["waypoints"] += 1
self.revs["waypoint_%s" % waypoint.long_name] += 1
def waypoint_get(self, long_name):
for waypoint in self.waypoints():
if waypoint.long_name == long_name:
return waypoint
return None
def waypoint_unlink(self, waypoint):
for route in self.routes():
if any(waypoint.long_name == rp.long_name for rp in route.routepoints):
return False
self.device.pbrwpx(waypoint)
self.revs["waypoints"] += 1
self._waypoints = [w for w in self._waypoints if w != waypoint]
self._waypoints_rev = self.revs["waypoints"]
self.revs["waypoint_%s" % waypoint.long_name] += 1
return True
def waypoints(self):
if self._waypoints is None or self._waypoints_rev != self.revs["waypoints"]:
self._waypoints = self.device.pbrwps()
self._waypoints_rev = self.revs["waypoints"]
return self._waypoints
