def parse_blocks(blocks_elt):
blocks = []
for b_e in blocks_elt.findall("block"):
name = get_attrib(b_e, "name")
no = get_attrib(b_e, "no")
block = Block(name, int(no), b_e)
blocks.append(block)
return blocks
def parse_exceptions(exs_elt):
if exs_elt is None:
return []
excs = []
for ex_e in exs_elt.findall("exception"):
cond = get_attrib(ex_e, "cond")
deroute = get_attrib(ex_e, "deroute")
exc = Exc(cond, deroute)
excs.append(exc)
return excs
def parse(fp_xml):
fp = FlightPlan()
fp_tree = etree.parse(fp_xml)
fp_element = fp_tree.find("flight_plan")
fp.name = get_attrib(fp_element, "name")
fp.lat0 = get_attrib(fp_element, "lat0")
fp.lon0 = get_attrib(fp_element, "lon0")
fp.max_dist_from_home = get_attrib(fp_element, "max_dist_from_home")
fp.ground_alt = get_attrib(fp_element, "ground_alt")
fp.security_height = get_attrib(fp_element, "security_height")
fp.alt = get_attrib(fp_element, "alt")
if fp_element.find("header") is not None:
fp.header = fp_element.find("header").text
ways_elt = fp_element.find("waypoints")
fp.waypoints = FlightPlan.parse_waypoints(ways_elt)
blocks_elt = fp_element.find("blocks")
fp.blocks = FlightPlan.parse_blocks(blocks_elt)
excs_elt = fp_element.find("exceptions")
fp.exceptions = FlightPlan.parse_exceptions(excs_elt)
return fp
def parse_waypoints(ways_elt: etree.Element):
waypoints = []
w_no = 1 # first waypoint number is 1.
for way_e in ways_elt.findall("waypoint"):
name = get_attrib(way_e, "name")
x = get_attrib_default(way_e, "x", None, float)
y = get_attrib_default(way_e, "y", None, float)
lat = get_attrib_default(way_e, "lat", None)
lon = get_attrib_default(way_e, "lon", None)
alt = get_attrib_default(way_e, "alt", None, float)
height = get_attrib_default(way_e, "height", None, float)
waypoint = Waypoint(name, x, y, lat, lon, alt, height, w_no)
waypoints.append(waypoint)
w_no += 1
return waypoints
def parse_dl_setting(self, element):
var = get_attrib(element, "var")
min_v = get_attrib(element, "min", typ=float)
max_v = get_attrib(element, "max", typ=float)
shortname = get_attrib_default(element, "shortname", var)
step = get_attrib_default(element, "step", 1, typ=float)
values = get_attrib_default(element, "values", None)
if values is None:
values = []
else:
values = values.split("|")
count = int((max_v - min_v + step) / step)
if len(values) != count:
print(
"Warning: possibly wrong number of values ({}) for {} (expected {})"
.format(len(values), shortname, count))
setting = PprzSetting(var, self.setting_nb, shortname, min_v, max_v,
step, values, element)
for e_button in element.findall("strip_button"):
name = get_attrib(e_button, "name")
value = get_attrib(e_button, "value")
icon = get_attrib_default(e_button, "icon", None)
group = get_attrib_default(e_button, "group", None)
button = StripButton(value, name, icon, group)
setting.buttons.append(button)
for e_key in element.findall("key_press"):
key = get_attrib(e_key, "key")
value = get_attrib(e_key, "value")
key_press = KeyPress(key, value)
setting.key_press.append(key_press)
self.setting_nb += 1
return setting