sugar-toolkit-gtk3/sugar/activity/bundleregistry.py

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import os
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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
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def add_search_path(self, path):
"""Add a directory to the bundles search path"""
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self._search_path.append(path)
self._scan_directory(path)
def __iter__(self):
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return self._bundles.values().__iter__()
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def _scan_directory(self, path):
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for f in os.listdir(path):
bundle_dir = os.path.join(path, f)
if os.path.isdir(bundle_dir) and bundle_dir.endswith('.activity'):
self._add_bundle(bundle_dir)
def _add_bundle(self, 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[bundle.get_service_name()] = bundle