find routes and create GPX file

findAllRoutes.py

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+#!/usr/bin/python3
+# find all routes between all pointes in positions.csv
+# max 100 points
+# uses time as metrice
+
+import json
+import requests
+import pickle
+from os.path import isfile
+import fast_tsp
+import gpxpy
+import gpxpy.gpx
+
+class Person:
+    name: str
+    position: str
+    index: int
+    def __init__(self, index: int, line: str):
+        line.strip()
+        line = line[:-1]
+        data = line.rsplit(",")
+        self.name = data[0]
+        self.position = ",".join(data[1:])
+        self.index = index
+
+index: int = 0
+persons: list[Person] = []
+key: str
+matrix: list[list[int]] = []
+
+with open("key.api", "r") as f:
+    key = f.readline()
+    key = key[:-1]
+
+
+with open("positions.csv", "r") as pos:
+    for l in pos:
+        persons.append(Person(index, l))
+        index += 1
+    p = [o.__dict__ for o in persons]
+
+if not isfile('data.pkl'):
+    url = 'https://api.mapy.cz/v1/routing/matrix-m'
+    headers = {'accept': 'application/json'}
+    for p in persons:
+        payload = {}
+        payload['starts'] = p.position
+        payload['ends'] = []
+        for e in persons:
+            payload['ends'].append(e.position)
+        payload['routeType'] = 'bike_road'
+        payload['apikey'] = key
+        r = requests.get(url=url, headers=headers, params=payload)
+        mat = r.json()
+        matrix.append([])
+        for res in mat['matrix'][0]:
+            matrix[p.index].append(res['duration'])
+# Serialize the object to a binary format
+    with open('data.pkl', 'wb') as file:
+        pickle.dump(matrix, file)
+else:
+# Deserialize the object from the binary file
+    with open('data.pkl', 'rb') as file:
+        matrix = pickle.load(file)
+
+tour = fast_tsp.find_tour(matrix)
+
+# compute path
+gpx = gpxpy.gpx.GPX()
+points: list[gpxpy.gpx.GPXTrackPoint] = []
+for i in range(0, len(tour)):
+    s = tour[i]
+    e = tour[(i+1)%len(tour)]
+    url = 'https://api.mapy.cz/v1/routing/route'
+    headers = {'accept': 'application/json'}
+    payload = {}
+    payload['start'] = persons[s].position
+    payload['end'] = persons[e].position
+    payload['routeType'] = 'bike_road'
+    payload['apikey'] = key
+    payload['format'] = 'geojson'
+    r = requests.get(url=url, headers=headers, params=payload)
+    route = r.json()
+    Jpoints = route['geometry']['geometry']['coordinates']
+    points.append(gpxpy.gpx.GPXTrackPoint(Jpoints[0][1], Jpoints[0][0], name=persons[s].name))
+    for p in Jpoints[1:]:
+        points.append(gpxpy.gpx.GPXTrackPoint(p[1], p[0]))
+
+track = gpxpy.gpx.GPXTrack("Hlas")
+gpx.tracks.append(track)
+segment = gpxpy.gpx.GPXTrackSegment(points)
+track.segments.append(segment)
+with open("route.gpx", "w") as r:
+    r.write(gpx.to_xml())