PICARD-118: Set cache location to portable config dir

picard/const/__init__.py

@@ -33,6 +33,9 @@ _appconfiglocation = QStandardPaths.writableLocation(QStandardPaths.AppConfigLoc
 USER_DIR = os.path.join(_appconfiglocation, "MusicBrainz", PICARD_APP_NAME)
 USER_PLUGIN_DIR = os.path.join(USER_DIR, "plugins")
 
+# Cache directory
+CACHE_DIR = QStandardPaths.writableLocation(QStandardPaths.CacheLocation)
+
 # AcoustID client API key
 ACOUSTID_KEY = 'v8pQ6oyB'
 ACOUSTID_HOST = 'api.acoustid.org'

picard/webservice/__init__.py

@@ -39,7 +39,6 @@ from PyQt5 import (
     QtNetwork,
 )
 from PyQt5.QtCore import (
-    QStandardPaths,
     QUrl,
     QUrlQuery,
 )
@@ -52,6 +51,7 @@ from picard import (
     config,
     log,
 )
+from picard.const import CACHE_DIR
 from picard.oauth import OAuthManager
 from picard.util import (
     build_qurl,
@@ -288,8 +288,7 @@ class WebService(QtCore.QObject):
 
     def set_cache(self, cache_size_in_mb=100):
         cache = QtNetwork.QNetworkDiskCache()
-        location = QStandardPaths.writableLocation(QStandardPaths.CacheLocation)
-        cache.setCacheDirectory(os.path.join(location, 'picard'))
+        cache.setCacheDirectory(os.path.join(CACHE_DIR, 'network'))
         cache.setMaximumCacheSize(cache_size_in_mb * 1024 * 1024)
         self.manager.setCache(cache)
         log.debug("NetworkDiskCache dir: %r size: %s / %s",

scripts/picard-portable-hook.py

@@ -12,8 +12,7 @@ import picard.const
 # The portable version stores all data in a folder beside the executable
 configdir = '{}-{}'.format(PICARD_ORG_NAME, PICARD_APP_NAME)
 basedir = os.path.join(os.path.dirname(sys.executable), configdir)
-if not os.path.exists(basedir):
-    os.makedirs(basedir)
+os.makedirs(basedir, exist_ok=True)
 
 # Setup config file if not specified as command line argument
 if '--config-file' not in sys.argv and '-c' not in sys.argv:
@@ -22,3 +21,8 @@ if '--config-file' not in sys.argv and '-c' not in sys.argv:
 
 # Setup plugin folder
 picard.const.USER_PLUGIN_DIR = os.path.join(basedir, 'Plugins')
+
+# Set standard cache location
+cachedir = os.path.join(basedir, 'Cache')
+os.makedirs(cachedir, exist_ok=True)
+picard.const.CACHE_DIR = cachedir