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import logging
class ActivityModule:
"""Info about an activity module. Wraps a .activity file."""
def __init__(self, name, activity_id, activity_exec, directory):
self._name = name
self._id = activity_id
self._directory = directory
self._exec = activity_exec
def get_name(self):
"""Get the activity user visible name."""
return self._name
def get_id(self):
"""Get the activity identifier"""
return self._id
def get_class(self):
"""Get the activity executable"""
return self._class
def get_directory(self):
"""Get the path to activity directory."""
return self._directory
class ActivityRegistry:
"""Service that tracks the available activities"""
def __init__(self):
self._activities = []
def scan_directory(self, path):
"""Scan a directory for activities and add them to the registry."""
if os.path.isdir(base_dir):
for filename in os.listdir(base_dir):
activity_dir = os.path.join(base_dir, filename)
if os.path.isdir(activity_dir):
for filename in os.listdir(activity_dir):
if filename.endswith(".activity"):
self.add(os.path.join(activity_dir, filename))
def add(self, path):
"""Add an activity to the registry. The path points to a .activity file."""
cp = ConfigParser()
cp.read([path])
directory = os.path.dirname(path)
try:
activity_id = cp.get('Activity', 'id')
name = cp.get('Activity', 'name')
except NoOptionError:
logging.error('%s miss a required option' % (path))
if cp.has_option('Activity', 'exec'):
activity_exec = cp.get('Activity', 'exec')
elif cp.has_option('Activity', 'python_module'):
python_module = cp.get('Activity', 'python_module')
activity_exec = 'python -m sugar/activity/Activity %s %s' \
% (name, python_module)
else:
logging.error('%s must specifiy exec or python_module' % (path))
module = ActivityModule(name, activity_id, activity_exec, directory)
self._activities.append(module)
return True
def list_activities(self):
"""Enumerate the registered activities as an ActivityModule list."""
return self._activities
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