[utils] Add helpers for CrossOver on macOS

legendary/utils/crossover.py

@@ -0,0 +1,50 @@
+import logging
+import plistlib
+import os
+import subprocess
+
+logger = logging.getLogger('CXHelpers')
+
+
+def mac_get_crossover_version(app_path):
+    try:
+        plist = plistlib.load(open(os.path.join(app_path, 'Contents', 'Info.plist'), 'rb'))
+        return plist['CFBundleShortVersionString']
+    except Exception as e:
+        logger.debug(f'Failed to load plist for "{app_path}" with {e!r}')
+        return None
+
+
+def mac_find_crossover_apps():
+    paths = ['/Applications/CrossOver.app']
+    try:
+        out = subprocess.check_output(['mdfind', 'kMDItemCFBundleIdentifier="com.codeweavers.CrossOver"'])
+        paths.extend(out.decode('utf-8', 'replace').strip().split('\n'))
+    except Exception as e:
+        logger.warning(f'Trying to find CrossOver installs via mdfind failed: {e!r}')
+
+    valid = [p for p in paths if os.path.exists(os.path.join(p, 'Contents', 'Info.plist'))]
+    found_tuples = set()
+
+    for path in valid:
+        version = mac_get_crossover_version(path)
+        if not version:
+            continue
+        logger.debug(f'Found Crossover {version} at "{path}"')
+        found_tuples.add((version, path))
+
+    return sorted(found_tuples, reverse=True)
+
+
+def mac_get_crossover_bottles():
+    bottles_path = os.path.expanduser('~/Library/Application Support/CrossOver/Bottles')
+    if not os.path.exists(bottles_path):
+        return []
+    return sorted(p for p in os.listdir(bottles_path) if
+                  os.path.isdir(os.path.join(bottles_path, p)) and
+                  os.path.exists(os.path.join(bottles_path, p, 'cxbottle.conf')))
+
+
+def mac_is_valid_bottle(bottle_name):
+    bottles_path = os.path.expanduser('~/Library/Application Support/CrossOver/Bottles')
+    return os.path.exists(os.path.join(bottles_path, bottle_name, 'cxbottle.conf'))