Add read_geojson function (#939)

leafmap/common.py

@@ -14853,3 +14853,18 @@ def find_max_value_coords(
             x, y = transformer.transform(x, y)
 
         return x, y, max_value
+
+
+def read_geojson(data: str, **kwargs: Any) -> Dict[str, Any]:
+    """
+    Fetches and parses a GeoJSON file from a given URL.
+
+    Args:
+        data (str): The URL of the GeoJSON file.
+        **kwargs (Any): Additional keyword arguments to pass to the requests.get() method.
+
+    Returns:
+        Dict[str, Any]: The parsed GeoJSON data.
+    """
+
+    return requests.get(data, **kwargs).json()

leafmap/maplibregl.py

@@ -3318,7 +3318,7 @@ def construct_maptiler_style(style: str, api_key: Optional[str] = None) -> str:
 
     This function generates a URL for accessing a specific MapTiler map style. If an API key is not provided,
     it attempts to retrieve one using a predefined method. If the request to MapTiler fails, it defaults to
-    a "dark-matter" style.
+    a "liberty" style.
 
     Args:
         style (str): The name of the MapTiler style to be accessed. It can be one of the following:
@@ -3328,7 +3328,7 @@ def construct_maptiler_style(style: str, api_key: Optional[str] = None) -> str:
             attempts to retrieve the API key using a predefined method. Defaults to None.
 
     Returns:
-        str: The URL for the requested MapTiler style. If the request fails, returns a URL for the "dark-matter" style.
+        str: The URL for the requested MapTiler style. If the request fails, returns a URL for the "liberty" style.
 
     Raises:
         requests.exceptions.RequestException: If the request to the MapTiler API fails.
@@ -3342,9 +3342,9 @@ def construct_maptiler_style(style: str, api_key: Optional[str] = None) -> str:
     response = requests.get(url)
     if response.status_code != 200:
         print(
-            "Failed to retrieve the MapTiler style. Defaulting to 'dark-matter' style."
+            "Failed to retrieve the MapTiler style. Defaulting to OpenFreeMap 'liberty' style."
         )
-        url = "dark-matter"
+        url = "https://tiles.openfreemap.org/styles/liberty"
 
     return url