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from sugar.activity.bundle import Bundle
class BundleRegistry:
"""Service that tracks the available activity bundles"""
def __init__(self):
self._bundles = {}
self._search_path = []
def get_bundle(self, service_name):
"""Returns an bundle given his service name"""
if self._bundles.has_key(service_name):
return self._bundles[service_name]
else:
return None
def append_search_path(self, path):
"""Append a directory to the bundles search path"""
self._search_path.append(path)
self._scan_directory(path)
def __iter__(self):
return self._bundles.values()
def _scan_directory(self, path):
for bundle_dir in os.listdir(path):
if os.path.isdir(bundle_dir):
info_path = os.path.join(bundle_dir, activity_info)
if os.path.isfile(info_path):
bundle = Bundle(info_path)
if bundle.is_valid():
self._bundles.append(bundle)
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