replace python reader with v3 reader

python/bin/pmtiles-show

@@ -1,44 +1,21 @@
 #!/usr/bin/env python
 
 import sys
-from pmtiles.reader import Reader, MmapSource, load_directory
+import pprint
+from pmtiles.reader import Reader, MmapSource
 
 if len(sys.argv) <= 1:
     print("Usage: pmtiles-show PMTILES_FILE")
     print("Usage: pmtiles-show PMTILES_FILE Z X Y")
-    print("Usage: pmtiles-show PMTILES_FILE list")
     exit(1)
 
 with open(sys.argv[1], "r+b") as f:
     reader = Reader(MmapSource(f))
-    spec_version = reader.header().version
     if len(sys.argv) == 2:
-        print("spec version: ", spec_version)
-        print("metadata:")
-        for k, v in reader.header().metadata.items():
-            print(k, "=", v)
-        print("root dir tiles:", len(reader.header().root_dir))
-        print("leaf directories:", len(set(reader.header().leaves.values())))
-    elif len(sys.argv) == 3:
-
-        last_val = None
-        for k, v in reader.header().root_dir.items():
-            print(f"{k[0]} {k[1]} {k[2]} {v[0]} {v[1]}")
-            if last_val and k <= last_val:
-                raise Exception("Error: directory entries not sorted")
-            last_val = k
-
-        for val in set(reader.header().leaves.values()):
-            dir_bytes = reader.get_bytes(val[0], val[1])
-            leaf_dir, _ = load_directory(dir_bytes, 0, val[1] // 17)
-            last_val = None
-            for k, v in leaf_dir.items():
-                print(f"{k[0]} {k[1]} {k[2]} {v[0]} {v[1]}")
-                if last_val and k <= last_val:
-                    raise Exception("Error: directory entries not sorted")
-                last_val = k
+        pprint.pprint(reader.header())
+        pprint.pprint(reader.metadata())
     else:
         z = int(sys.argv[2])
         x = int(sys.argv[3])
         y = int(sys.argv[4])
-        print(reader.get(z, x, y))
+        sys.stdout.buffer.write(reader.get(z, x, y))