Implement a CLI command for the tilelist generation

README.md

+# Simplified map tilelist
+
+Given an input file with a list of line seperated tiles in `{zoom}/{x}/{y}` format, generate a distinct list of map tiles for all zoom levels up to `maxzoom`.
+
+## Usage
+
+```
+usage: cli.py [-h] tilelist_path maxzoom
+
+Given a tile list as input, generate a distinct list of map tiles consisted of all the parent and children tiles recursively up to a zoom level.
+
+positional arguments:
+  tilelist_path  Path to the tilelist input file.
+  maxzoom        The maxzoom of the generated tilelist.
+
+optional arguments:
+  -h, --help     show this help message and exit
+```
+
+## Context
+
+This CLI tool is built as a way to generate a simplified tile list of distinct tiles based on the `imposm3` expired tile output. The reason behind is this is to deduplicate tiles and optimize tile pregeneration by avoiding generating the same tile multiple times.
+
+## Dependencies
+
+- Python >= 3.7

cli.py

+import argparse
+
+from tileset import TileSet
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        description="Given a tile list as input, generate a distinct "
+        "list of map tiles consisted of all the parent and children tiles "
+        "recursively up to a zoom level."
+    )
+    parser.add_argument(
+        "tilelist_path", help="Path to the tilelist input file.", type=str
+    )
+    parser.add_argument(
+        "maxzoom", help="The maxzoom of the generated tilelist.", type=int
+    )
+    args = parser.parse_args()
+
+    ts = TileSet(args.tilelist_path, args.maxzoom)
+    ts.read()
+
+    for tile in ts.tileset:
+        print(f"{tile.z}/{tile.x}/{tile.y}")