work

scripts/http_host/http_host_lib/download_assets.py

@@ -2,7 +2,9 @@ import shutil
 import subprocess
 from pathlib import Path
 
-from http_host_lib.utils import download_if_size_differs
+import requests
+
+from http_host_lib.utils import download_file_aria2, download_if_size_differs
 
 
 def download_fonts(assets_dir: Path):
@@ -18,7 +20,7 @@ def download_fonts(assets_dir: Path):
 
     for font in ['ofm']:
         url = f'https://assets.openfreemap.com/fonts/{font}.tar.gz'
-        local_file = fonts_dir / f'{font}.tgz'
+        local_file = fonts_dir / f'{font}.tar.gz'
         if not download_if_size_differs(url, local_file):
             continue
 
@@ -43,6 +45,36 @@ def download_fonts(assets_dir: Path):
     shutil.rmtree(fonts_temp, ignore_errors=True)
 
 
+def download_sprites(assets_dir: Path):
+    """
+    Download and extract sprites if their file size differ.
+    """
+
+    sprites_dir = assets_dir / 'sprites'
+    sprites_dir.mkdir(exist_ok=True, parents=True)
+
+    r = requests.get('https://assets.openfreemap.com/index.txt', timeout=30)
+    r.raise_for_status()
+
+    sprites_remote = [l for l in r.text.splitlines() if l.startswith('sprites/')]
+
+    for sprite in sprites_remote:
+        sprite_name = sprite.split('/')[1].replace('.tar.gz', '')
+
+        if (sprites_dir / sprite_name).is_dir():
+            continue
+
+        url = f'https://assets.openfreemap.com/sprites/{sprite_name}.tar.gz'
+        local_file = sprites_dir / 'temp.tar.gz'
+        download_file_aria2(url, local_file)
+
+        subprocess.run(
+            ['tar', '-xzf', local_file, '-C', sprites_dir],
+            check=True,
+        )
+        local_file.unlink()
+
+
 def download_natural_earth(assets_dir: Path):
     ne_dir = assets_dir / 'natural_earth'