backend/.pylintrc

@@ -345,7 +345,7 @@ indent-after-paren=4
 indent-string='    '
 
 # Maximum number of characters on a single line.
-max-line-length=100
+max-line-length=105
 
 # Maximum number of lines in a module.
 max-module-lines=1000
@@ -410,7 +410,6 @@ logging-modules=logging
 
 
 [MESSAGES CONTROL]
-disable=E0401
 
 # Only show warnings with the listed confidence levels. Leave empty to show
 # all. Valid levels: HIGH, CONTROL_FLOW, INFERENCE, INFERENCE_FAILURE,
@@ -439,7 +438,8 @@ disable=raw-checker-failed,
         deprecated-pragma,
         use-symbolic-message-instead,
         use-implicit-booleaness-not-comparison-to-string,
-        use-implicit-booleaness-not-comparison-to-zero
+        use-implicit-booleaness-not-comparison-to-zero,
+        import-error
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option

backend/src/main.py

@@ -22,31 +22,54 @@ refiner = Refiner(optimizer=optimizer)
 
 
 @app.post("/trip/new")
-def new_trip(preferences: Preferences, start: tuple[float, float], end: tuple[float, float] | None = None) -> Trip:
+def new_trip(preferences: Preferences,
+             start: tuple[float, float],
+             end: tuple[float, float] | None = None) -> Trip:
     """
     Main function to call the optimizer.
 
     Args:
-        preferences (Preferences)   : the preferences specified by the user as the post body
+        preferences : the preferences specified by the user as the post body
-        start (tuple)   : the coordinates of the starting point as a tuple of floats (as url query parameters)
+        start       : the coordinates of the starting point
-        end (tuple)     : the coordinates of the finishing point as a tuple of floats (as url query parameters)
+        end         : the coordinates of the finishing point
     Returns: 
         (uuid) : The uuid of the first landmark in the optimized route
     """
     if preferences is None:
-        raise HTTPException(status_code=406, detail="Preferences not provided")
+        raise HTTPException(status_code=406,
-    if preferences.shopping.score == 0 and preferences.sightseeing.score == 0 and preferences.nature.score == 0:
+                            detail="Preferences not provided or incomplete.")
-        raise HTTPException(status_code=406, detail="All preferences are 0.")
+    if (preferences.shopping.score == 0 and
+        preferences.sightseeing.score == 0 and
+        preferences.nature.score == 0) :
+        raise HTTPException(status_code=406,
+                            detail="All preferences are 0.")
     if start is None:
-        raise HTTPException(status_code=406, detail="Start coordinates not provided")
+        raise HTTPException(status_code=406,
+                            detail="Start coordinates not provided")
     if not (-90 <= start[0] <= 90 or -180 <= start[1] <= 180):
-        raise HTTPException(status_code=423, detail="Start coordinates not in range")
+        raise HTTPException(status_code=423,
+                            detail="Start coordinates not in range")
     if end is None:
         end = start
         logger.info("No end coordinates provided. Using start=end.")
 
-    start_landmark = Landmark(name='start', type='start', location=(start[0], start[1]), osm_type='start', osm_id=0, attractiveness=0, must_do=True, n_tags = 0)
+    start_landmark = Landmark(name='start',
-    end_landmark = Landmark(name='finish', type='finish', location=(end[0], end[1]), osm_type='end', osm_id=0, attractiveness=0, must_do=True, n_tags = 0)
+                              type='start',
+                              location=(start[0], start[1]),
+                              osm_type='start',
+                              osm_id=0,
+                              attractiveness=0,
+                              must_do=True,
+                              n_tags = 0)
+    
+    end_landmark = Landmark(name='finish',
+                            type='finish',
+                            location=(end[0], end[1]),
+                            osm_type='end',
+                            osm_id=0,
+                            attractiveness=0,
+                            must_do=True,
+                            n_tags = 0)
 
     # Generate the landmarks from the start location
     landmarks, landmarks_short = manager.generate_landmarks_list(
@@ -67,10 +90,12 @@ def new_trip(preferences: Preferences, start: tuple[float, float], end: tuple[fl
         raise HTTPException(status_code=500, detail="Optimzation took too long") from exc
 
     # Second stage optimization
-    refined_tour = refiner.refine_optimization(landmarks, base_tour, preferences.max_time_minute, preferences.detour_tolerance_minute)
+    refined_tour = refiner.refine_optimization(landmarks, base_tour,
+                                               preferences.max_time_minute,
+                                               preferences.detour_tolerance_minute)
 
     linked_tour = LinkedLandmarks(refined_tour)
-    # upon creation of the trip, persistence of both the trip and its landmarks is ensured
+    # upon creation of the trip, persistence of both the trip and its landmarks is ensured.
     trip = Trip.from_linked_landmarks(linked_tour, cache_client)
     return trip
 
@@ -109,4 +134,5 @@ def get_landmark(landmark_uuid: str) -> Landmark:
         landmark = cache_client.get(f"landmark_{landmark_uuid}")
         return landmark
     except KeyError as exc:
-        raise HTTPException(status_code=404, detail="Landmark not found") from exc
+        raise HTTPException(status_code=404,
+                            detail="Landmark not found") from exc

backend/src/structs/landmark.py

@@ -70,13 +70,14 @@ class Landmark(BaseModel) :
             str: A formatted string with the landmark's type, name, location, attractiveness score,
             time to the next landmark (if available), and whether the landmark is secondary.
         """
-        time_to_next_str = f", time_to_next={self.time_to_reach_next}" if self.time_to_reach_next else ""
+        t_to_next_str = f", time_to_next={self.time_to_reach_next}" if self.time_to_reach_next else ""
         is_secondary_str = ", secondary" if self.is_secondary else ""
         type_str = '(' + self.type + ')'
         if self.type in ["start", "finish", "nature", "shopping"] :
             type_str += '\t '
 
-        return f'Landmark{type_str}: [{self.name} @{self.location}, score={self.attractiveness}{time_to_next_str}{is_secondary_str}]'
+        return (f'Landmark{type_str}: [{self.name} @{self.location}, '
+                f'score={self.attractiveness}{t_to_next_str}{is_secondary_str}]')
 
     def distance(self, value: 'Landmark') -> float:
         """
@@ -113,4 +114,6 @@ class Landmark(BaseModel) :
         # in particular, if two objects are equal, their hash must be equal
         # uuid and osm_id are just shortcuts to avoid comparing all the properties
         # if they are equal, we know that the name is also equal and in turn the hash is equal
-        return self.uuid == value.uuid or self.osm_id == value.osm_id or (self.name == value.name and self.distance(value) < 0.001)
+        return (self.uuid == value.uuid or
+                self.osm_id == value.osm_id or
+                (self.name == value.name and self.distance(value) < 0.001))

backend/src/structs/linked_landmarks.py

@@ -6,9 +6,11 @@ from ..utils.get_time_separation import get_time
 class LinkedLandmarks:
     """
     A list of landmarks that are linked together, e.g. in a route.
-    Each landmark serves as a node in the linked list, but since we expect these to be consumed through the rest API,
+    Each landmark serves as a node in the linked list, but since we expect
-    a pythonic reference to the next landmark is not well suited. Instead we use the uuid of the next landmark
+    these to be consumed through the rest API, a pythonic reference to the next
-    to reference the next landmark in the list. This is not very efficient, but appropriate for the expected use case
+    landmark is not well suited. Instead we use the uuid of the next landmark
+    to reference the next landmark in the list. This is not very efficient,
+    but appropriate for the expected use case
     ("short" trips with onyl few landmarks).
     """
 
@@ -21,7 +23,8 @@ class LinkedLandmarks:
         where the first landmark is the starting point and the last landmark is the end point.
 
         Args:
-            data (list[Landmark], optional): The list of landmarks that are linked together. Defaults to None.
+            data (list[Landmark], optional):    The list of landmarks that are linked together.
+                                                Defaults to None.
         """
         self._landmarks = data if data else []
         self._link_landmarks()
@@ -29,7 +32,8 @@ class LinkedLandmarks:
 
     def _link_landmarks(self) -> None:
         """
-        Create the links between the landmarks in the list by setting their .next_uuid and the .time_to_next attributes.
+        Create the links between the landmarks in the list by setting their 
+        .next_uuid and the .time_to_next attributes.
         """
 
         # Mark secondary landmarks as such
@@ -57,12 +61,12 @@ class LinkedLandmarks:
         if len(scores) >= 10:
             threshold_score = scores[9]
         else:
-            # If there are fewer than 10 landmarks, use the lowest score in the list as the threshold
+            # If there are fewer than 10 landmarks, use the lowest score as the threshold
             threshold_score = min(scores) if scores else 0
 
         # Update 'is_secondary' for landmarks with attractiveness below the threshold score
         for landmark in self._landmarks:
-            if landmark.attractiveness < threshold_score and landmark.type not in ["start", "finish"]:
+            if (landmark.attractiveness < threshold_score and landmark.type not in ["start", "finish"]):
                 landmark.is_secondary = True
 
 

backend/src/structs/trip.py

@@ -36,8 +36,11 @@ class Trip(BaseModel):
 
         # Store the trip in the cache
         cache_client.set(f"trip_{trip.uuid}", trip)
-        # make sure to await the result (noreply=False). Otherwise the cache might not be inplace when the trip is actually requested
+
-        cache_client.set_many({f"landmark_{landmark.uuid}": landmark for landmark in landmarks}, expire=3600, noreply=False)
+        # Make sure to await the result (noreply=False).
+        # Otherwise the cache might not be inplace when the trip is actually requested.
+        cache_client.set_many({f"landmark_{landmark.uuid}": landmark for landmark in landmarks},
+                              expire=3600, noreply=False)
         # is equivalent to:
         # for landmark in landmarks:
         #     cache_client.set(f"landmark_{landmark.uuid}", landmark, expire=3600)

backend/src/tests/test_main.py

@@ -57,7 +57,11 @@ def test_bellecour(client, request) :   # pylint: disable=redefined-outer-name
     response = client.post(
         "/trip/new",
         json={
-            "preferences": {"sightseeing": {"type": "sightseeing", "score": 5}, "nature": {"type": "nature", "score": 5}, "shopping": {"type": "shopping", "score": 5}, "max_time_minute": duration_minutes, "detour_tolerance_minute": 0},
+            "preferences": {"sightseeing": {"type": "sightseeing", "score": 5},
+                            "nature": {"type": "nature", "score": 5},
+                            "shopping": {"type": "shopping", "score": 5},
+                            "max_time_minute": duration_minutes,
+                            "detour_tolerance_minute": 0},
             "start": [45.7576485, 4.8330241]
             }
         )
@@ -79,7 +83,11 @@ def test_bellecour(client, request) :   # pylint: disable=redefined-outer-name
 #     response = client.post(
 #         "/trip/new",
 #         json={
-#             "preferences": {"sightseeing": {"type": "sightseeing", "score": 1}, "nature": {"type": "nature", "score": 1}, "shopping": {"type": "shopping", "score": 1}, "max_time_minute": 360, "detour_tolerance_minute": 0},
+#             "preferences": {"sightseeing": {"type": "sightseeing", "score": 1},
+#             "nature": {"type": "nature", "score": 1},
+#             "shopping": {"type": "shopping", "score": 1},
+#             "max_time_minute": 360,
+#             "detour_tolerance_minute": 0},
 #             "start": [48.8566, 2.3522]
 #             }
 #         )

backend/src/tests/test_utils.py

@@ -34,7 +34,8 @@ def fetch_landmark(client, landmark_uuid: str):
     response = client.get(f"/landmark/{landmark_uuid}")
 
     if response.status_code != 200:
-        raise HTTPException(status_code=999, detail=f"Failed to fetch landmark with UUID {landmark_uuid}: {response.status_code}")
+        raise HTTPException(status_code=999,
+                            detail=f"Failed to fetch landmark with UUID {landmark_uuid}: {response.status_code}")
 
     json_data = response.json()