diff options
Diffstat (limited to 'layman/overlays/source.py')
| -rw-r--r-- | layman/overlays/source.py | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/layman/overlays/source.py b/layman/overlays/source.py index b833fd2..083beb6 100644 --- a/layman/overlays/source.py +++ b/layman/overlays/source.py @@ -20,11 +20,21 @@ import shutil import subprocess from layman.utils import path - -def _resolve_command(command, error_output): +supported_cache = {} + +def _supported(key, check_supported=None): + """internal caching function that checks tracks any + un-supported/supported repo types.""" + if key is None: + return False + if key not in supported_cache: + supported_cache[key] = check_supported() + return supported_cache[key] + +def _resolve_command(command, _output): if os.path.isabs(command): if not os.path.exists(command): - error_output('Program "%s" not found' % command) + _output('Program "%s" not found' % command, 6) return ('File', None) return ('File', command) else: @@ -34,18 +44,18 @@ def _resolve_command(command, error_output): f = os.path.join(d, command) if os.path.exists(f): return ('Command', f) - error_output('Cound not resolve command ' +\ - '"%s" based on PATH "%s"' % (command, env_path)) + _output('Cound not resolve command ' +\ + '"%s" based on PATH "%s"' % (command, env_path), 6) return ('Command', None) -def require_supported(binaries, error_output): +def require_supported(binaries, _output): for command, mtype, package in binaries: - kind, path = _resolve_command(command, error_output) + kind, path = _resolve_command(command, _output) if not path: - error_output(kind + ' ' + command + ' seems to be missing!' + _output(kind + ' ' + command + ' seems to be missing!' ' Overlay type "' + mtype + '" not support' - 'ed. Did you emerge ' + package + '?') + 'ed. Did you emerge ' + package + '?', 6) return False return True @@ -106,7 +116,10 @@ class OverlaySource(object): def is_supported(self): '''Is the overlay type supported?''' - return self.supported() + return _supported(self.get_type_key(), self.supported) + + def get_type_key(self): + return '%s' % self.__class__.type_key def command(self): return self.config['%s_command' % self.__class__.type_key] |