Cache management

python_appimage/commands/cache/list.py

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+import glob
+import os
+from pathlib import Path
+import subprocess
+
+from ...utils.deps import CACHE_DIR
+from ...utils.log import log
+
+
+__all__ = ['execute']
+
+
+def _unpack_args(args):
+    '''Unpack command line arguments
+    '''
+    return tuple()
+
+
+def execute():
+    '''List cached image(s)
+    '''
+
+    cache = Path(CACHE_DIR)
+
+    images = sorted(os.listdir(cache / 'share/images'))
+    for image in images:
+        tags = ', '.join((
+            tag[:-5] for tag in \
+                sorted(os.listdir(cache / f'share/images/{image}/tags'))
+        ))
+        if not tags:
+            continue
+        path = cache / f'share/images/{image}'
+        memory = _getsize(path)
+        log('LIST', f'{image} ({tags}) [{memory}]')
+
+
+def _getsize(path: Path):
+    r = subprocess.run(f'du -sh {path}', capture_output=True, check=True,
+                       shell=True)
+    return r.stdout.decode().split(None, 1)[0]