def add_place(self):
""" Create a new place component with default settings and forwards it to the ControllerDrawingArea which is responsible for displaying it. """
if self._controller_drawing_area != None:
# reset previous settings
self._model.notify_reset()
# instantiate new place object
self._component = place.Place()
self._component.label = "New Place"
self._component.key = "new_comp"
self._component.marking = 0
self._component.radius = 15
# check if places are already available and if yes the size of them is used as template (zoom could be activated)
adapt = False
if self._model.data != None:
for key, item in self._model.data.places.items():
if item != None:
self._component.radius = item.radius
adapt = True
break
# if no place is available it will be checked for available transitions which could be used as template to keep the proportions constant
# between different component types
if not adapt:
for key, item in self._model.data.transitions.items():
if item != None:
self._component.radius = item.dimension[0]
adapt = True
break
# forward component
if self._controller_drawing_area != None:
self._controller_drawing_area.add_component(True, self._component)
def fromJsonToPlace(path_file, city_id):
list_places = []
data_json = json.load(open(path_file))
if (len(data_json) != 0):
nSize = len(data_json['categories'])
#On enregistre uniquement les éléments avec description et photo
try:
types = []
#Mise en forme des données sous liste
for i in range(0, nSize):
types.append(data_json['categories'][i]['name'])
id_ = data_json['id']
photo = data_json['bestPhoto']['prefix'] + data_json['bestPhoto'][
'suffix']
visitsCount = data_json['stats']['visitsCount']
geometry = [
data_json['location']['lat'], data_json['location']['lng']
]
name = data_json['name']
print("CITYID de la place enregistrée : " + str(city_id))
list_places.append(
p.Place(id_, name, photo, types, geometry, visitsCount,
city_id))
except KeyError:
print("informations manquantes")
except IndexError:
print("informations manquantes")
else:
print("hors sélection")
return list_places
def get_places(self,
place_name,
location,
radius=2000,
min_price=None,
max_price=None):
def get_price_level(money):
if money > 1500:
return 3
elif money > 600:
return 2
elif money > 200:
return 1
return 0
if max_price is not None:
max_price = get_price_level(max_price)
if min_price is not None:
min_price = get_price_level(min_price)
request = GooglePlace(
self.gmaps_places,
place_name,
radius=radius,
# min_price=min_price, # it is bug
# max_price=max_price,
# open_now=True,
location=location,
language='ru')
if request['status'] != 'OK':
return []
elements = request['results']
places = []
for element in elements:
name = element['name']
position_lat_lng = element['geometry']['location']
position = position_lat_lng['lat'], position_lat_lng['lng']
info = {}
for label in ['types', 'rating', 'address']:
if label in element:
info[label] = element[label]
info['type'] = place_name
"""if element.get('photos', []):
reference = element['photos'][0]['photo_reference']
photo = GooglePlacePhoto(self.gmaps_places, reference, max_height=200, max_width=200)
print(photo)
pass"""
places.append(place.Place(name, position, info))
return places
def find_path(start, finish, duration, duration_on_foot, money, temp_place, cafe_type, time_cafe, calc_score):
"""
:param start: --- position tuple(float, float) or str
:param finish: --- position tuple(float, float) or str
:param duration: --- float
:param duration_on_foot: --- float
:param money: --- float
:param temp_place: --- [name, ...]
:param cafe_type: --- str or None
:param time_cafe: --- float or None
:return: [place, ...]
"""
gmap = map_api.GMap()
if isinstance(start, str):
start = gmap.get_position_from_name(start, SPB_POSITION)
if isinstance(finish, str):
finish = gmap.get_position_from_name(finish, SPB_POSITION)
print(start)
if True:
walk_places = []
for place_type in temp_place:
walk_places.append([])
walk_places[-1] += gmap.get_places(
place_type,
location=start,
min_price=0,
max_price=money
)
if cafe_type is not None:
walk_places.append([])
walk_places[-1] += gmap.get_places(
cafe_type,
location=start,
min_price=0,
max_price=money
)
if False:
import pickle
for i in range(len(walk_places)):
for j in range(len(walk_places[i])):
walk_places[i][j] = walk_places[i][j].to_dick()
with open('H', 'wb') as file:
pickle.dump(walk_places, file=file)
else:
import pickle
with open('H', 'rb') as file:
walk_places = pickle.load(file=file)
for i in range(len(walk_places)):
for j in range(len(walk_places[i])):
walk_places[i][j] = Place.Place(**walk_places[i][j])
best_path = []
best_score = -10 ** 30
for iteration in range(30):
random.seed(iteration + 228)
size = random.randint(1, len(walk_places) * 2)
if cafe_type is not None:
cafe_index = random.randint(0, size)
else:
cafe_index = None
places = []
for i in range(size):
if i == cafe_index:
places.append(walk_places[-1])
else:
if cafe_type is not None:
index = random.randint(0, len(walk_places) - 2)
else:
index = random.randint(0, len(walk_places) - 1)
places.append(walk_places[index])
average_distance = max(5, (duration_on_foot - 10 * size) / size)
mid_path = [Place.Place('start', start, {})]
fail = False
for place_type in places:
best_place = None
for j in range(30):
place = random.choice(place_type)
distance = gmap.get_duration(place.position, mid_path[-1].position)
if distance is not None and 0.5 < distance / average_distance < 3:
best_place = place
break
if best_place is None:
fail = True
break
else:
mid_path.append(best_place)
if not fail:
mid_path += [Place.Place('finish', finish, {})]
score = calc_score(mid_path)
print(score, iteration)
if best_score < score:
best_score = score
best_path = mid_path
else:
print('fail', iteration)
return best_path
def _set_value(self, value):
"""Convert a location value into a place"""
if type(value) == place.Place:
self._value = value
else:
self._value = place.Place(value)
def convert(self):
""" Start converting process from matrices to components. """
# Information: A lot of exceptions will be thrown because of the NoneType issue we had and it is necessary to prevent the appliation from crashing.
# create a PetriNet object
self._pn = petri_net.PetriNet()
# set PetriNetData object
self._pn.data = self._data
try:
# create the individual places
for i in range(len(self._data.places)):
# set default values for the design
p = place.Place([0.0, 0.0], 15., [0., 0., 0.],
[255., 255., 255.])
# set properties
p.label = self._data.places[i]
p.key = self._data.places[i]
if self._data.initial_marking != None:
p.marking = self._data.initial_marking[i]
try:
if self._data.capacities != None:
p.capacity = self._data.capacities[i]
except IndexError:
pass
# add place to the PetriNet object
self._pn.add_place(p, )
except TypeError:
pass
try:
# create the individual transitions
for i in range(len(self._data.transitions)):
# set default values for the design
t = transition.Transition([0.0, 0.0], [15, 30], [0., 0., 0.],
[0., 0., 0.])
# set properties
t.label = self._data.transitions[i]
t.key = self._data.transitions[i]
if self._data.rates != None:
t.rate = self._data.rates[i]
# add transition to the PetirNet object
self._pn.add_transition(t)
except TypeError:
pass
try:
# create the individual arcs connecting two nodes
for i in range(len(self._data.transitions)):
for j in range(len(self._data.places)):
a_pre = None
a_post = None
a_test = None
a_inhib = None
# iteration through the matrices to figure out which arc needs to be created
try:
if self._data.stoichiometry.pre_arcs != None:
try:
if self._data.stoichiometry.pre_arcs[
i, j] != None:
if self._data.stoichiometry.pre_arcs[
i, j] != 0:
# create a standard pre arc
a_pre = arc.Arc()
a_pre.line_type = arc.Arc.LINE_TYPE_STRAIGHT
a_pre.label = str(
"Arc" + self._data.places[j] +
"to" + self._data.transitions[i])
a_pre.key = str(
"Arc" + self._data.places[j] +
"to" + self._data.transitions[i])
a_pre.origin = self._pn.get_component(
self._data.places[j])
a_pre.target = self._pn.get_component(
self._data.transitions[i])
if self._data.stoichiometry.pre_arcs != None:
a_pre.weight = self._data.stoichiometry.pre_arcs[
i, j]
# add arc to the PetriNet object
self._pn.add_arc(a_pre)
except IndexError:
pass
except TypeError:
pass
try:
if self._data.stoichiometry.post_arcs != None:
try:
if self._data.stoichiometry.post_arcs[
i, j] != None:
if self._data.stoichiometry.post_arcs[
i, j] != 0:
# create a standard post arc
a_post = arc.Arc()
a_post.line_type = arc.Arc.LINE_TYPE_STRAIGHT
a_post.label = str(
self._data.transitions[i] + "to" +
self._data.places[j])
a_post.key = str(
self._data.transitions[i] + "to" +
self._data.places[j])
a_post.origin = self._pn.get_component(
self._data.transitions[i])
a_post.target = self._pn.get_component(
self._data.places[j])
if self._data.stoichiometry.post_arcs != None:
a_post.weight = self._data.stoichiometry.post_arcs[
i, j]
# add arc to the PetriNet object
self._pn.add_arc(a_post)
except IndexError:
pass
except TypeError:
pass
try:
if self._data.test_arcs != None:
try:
if self._data.test_arcs[i, j] != None:
if self._data.test_arcs[i, j] != 0:
# create a test arc
a_test = test_arc.TestArc()
a_test.line_type = test_arc.TestArc.LINE_TYPE_ARC_LOWER
a_test.label = str(
"TestArc" +
self._data.transitions[i] + "to" +
self._data.places[j])
a_test.key = str(
"TestArc" +
self._data.transitions[i] + "to" +
self._data.places[j])
a_test.target = self._pn.get_component(
self._data.transitions[i])
a_test.origin = self._pn.get_component(
self._data.places[j])
if self._data.test_arcs != None:
a_test.weight = self._data.test_arcs[
i, j]
# add arc to the PetriNet object
self._pn.add_arc(a_test)
except IndexError:
pass
except TypeError:
pass
try:
if self._data.inhibitory_arcs != None:
try:
if self._data.inhibitory_arcs[i, j] != None:
if self._data.inhibitory_arcs[i, j] != 0:
# create an inhibitory arc
a_inhib = inhibitory_arc.InhibitoryArc(
)
a_inhib.line_type = inhibitory_arc.InhibitoryArc.LINE_TYPE_ARC_UPPER
a_inhib.label = str(
"InhibitoryArc" +
self._data.transitions[i] + "to" +
self._data.places[j])
a_inhib.key = str(
"InhibitoryArc" +
self._data.transitions[i] + "to" +
self._data.places[j])
a_inhib.target = self._pn.get_component(
self._data.transitions[i])
a_inhib.origin = self._pn.get_component(
self._data.places[j])
if self._data.inhibitory_arcs != None:
a_inhib.weight = self._data.inhibitory_arcs[
i, j]
# add arc to the PetriNet object
self._pn.add_arc(a_inhib)
except IndexError:
pass
except TypeError:
pass
# determine the style of the line automatically
# if two standard arcs are available the curved arcs will be chosen
if a_pre != None and a_post != None:
a_pre.line_type = arc.Arc.LINE_TYPE_ARC_LOWER
self._pn.update(a_pre, a_pre.key)
a_post.line_type = arc.Arc.LINE_TYPE_ARC_UPPER
self._pn.update(a_post, a_post.key)
except TypeError:
pass
# print len(self._pn.arcs)
# if an algorithm is defined the positions of the components will be determined
if self._layout != None:
self.__layout_components()