Update the list command

python_appimage/commands/list.py

@@ -1,8 +1,8 @@
-import os
+import glob
+from pathlib import Path
 
-from ..utils.docker import docker_run
+from ..manylinux import ensure_image, PythonVersion
 from ..utils.log import log
-from ..utils.tmp import TemporaryDirectory
 
 
 __all__ = ['execute']
@@ -18,26 +18,16 @@ def execute(tag):
     '''List python versions installed in a manylinux image
     '''
 
-    with TemporaryDirectory() as tmpdir:
-        script = (
-            'for dir in $(ls /opt/python | grep "^cp[0-9]"); do',
-            '   version=$(/opt/python/$dir/bin/python -c "import sys; ' \
-                    'sys.stdout.write(sys.version.split()[0])")',
-            '   echo "$dir $version"',
-            'done',
-        )
-        if tag.startswith('2_'):
-            image = 'manylinux_' + tag
-        else:
-            image = 'manylinux' + tag
-        result = docker_run(
-            'quay.io/pypa/' + image,
-            script,
-            capture = True
-        )
-        pythons = [line.split() for line in result.split(os.linesep) if line]
+    image = ensure_image(tag)
 
-        for (abi, version) in pythons:
-            log('LIST', "{:7} ->  /opt/python/{:}".format(version, abi))
+    pythons = []
+    for path in glob.glob(str(image.path / 'opt/python/cp*')):
+        path = Path(path)
+        version = PythonVersion.from_str(path.readlink().name[8:]).long()
+        pythons.append((path.name, version))
+    pythons = sorted(pythons)
 
-        return pythons
+    for (abi, version) in pythons:
+        log('LIST', "{:8} ->  /opt/python/{:}".format(version, abi))
+
+    return pythons