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124 lines
3.5 KiB
Python
124 lines
3.5 KiB
Python
import logging
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import os
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from ConfigParser import ConfigParser
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from ConfigParser import NoOptionError
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from sugar import env
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class ActivityModule:
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"""Info about an activity module. Wraps a .activity file."""
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def __init__(self, name, activity_id, activity_exec, directory):
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self._name = name
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self._id = activity_id
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self._directory = directory
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self._exec = activity_exec
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self._show_launcher = False
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def get_name(self):
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"""Get the activity user visible name."""
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return self._name
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def get_id(self):
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"""Get the activity identifier"""
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return self._id
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def get_exec(self):
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"""Get the activity executable"""
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return self._exec
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def get_directory(self):
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"""Get the path to activity directory."""
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return self._directory
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def get_default_type(self):
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"""Get the the type of the default activity service."""
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return self._default_type
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def set_default_type(self, default_type):
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"""Set the the type of the default activity service."""
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self._default_type = default_type
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def get_show_launcher(self):
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"""Get whether there should be a visible launcher for the activity"""
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return self._show_launcher
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def set_show_launcher(self, show_launcher):
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"""Set whether there should be a visible launcher for the activity"""
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self._show_launcher = show_launcher
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class ActivityRegistry:
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"""Service that tracks the available activities"""
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def __init__(self):
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self._activities = []
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def get_activity(self, default_type):
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"""Returns an activity given his default type"""
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for activity in self._activities:
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if activity.get_default_type() == default_type:
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return activity
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return None
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def scan_directory(self, path):
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"""Scan a directory for activities and add them to the registry."""
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if os.path.isdir(path):
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for filename in os.listdir(path):
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activity_dir = os.path.join(path, filename)
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if os.path.isdir(activity_dir):
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for filename in os.listdir(activity_dir):
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if filename.endswith(".activity"):
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self.add(os.path.join(activity_dir, filename))
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def add(self, path):
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"""Add an activity to the registry. The path points to a .activity file."""
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cp = ConfigParser()
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cp.read([path])
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directory = os.path.dirname(path)
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try:
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activity_id = cp.get('Activity', 'id')
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except NoOptionError:
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logging.error('%s miss the required id option' % (path))
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return False
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try:
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name = cp.get('Activity', 'name')
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except NoOptionError:
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logging.error('%s miss the required name option' % (path))
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return False
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if cp.has_option('Activity', 'default_type'):
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default_type = cp.get('Activity', 'default_type')
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else:
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default_type = None
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if cp.has_option('Activity', 'exec'):
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activity_exec = cp.get('Activity', 'exec')
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elif cp.has_option('Activity', 'python_module'):
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python_module = cp.get('Activity', 'python_module')
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python_module = cp.get('Activity', 'python_module')
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activity_exec = '%s %s %s' % ('sugar-activity-factory',
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activity_id, python_module)
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if default_type:
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activity_exec += ' ' + default_type
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env.add_to_python_path(directory)
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else:
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logging.error('%s must specifiy exec or python_module' % (path))
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return False
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module = ActivityModule(name, activity_id, activity_exec, directory)
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self._activities.append(module)
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if cp.has_option('Activity', 'show_launcher'):
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module.set_show_launcher(True)
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module.set_default_type(default_type)
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return True
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def list_activities(self):
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"""Enumerate the registered activities as an ActivityModule list."""
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return self._activities
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