Initial import

1 files changed, 118 insertions, 0 deletions

diff --git a/globals.py b/globals.py
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+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+
+
+import os
+import logging
+from sugar.activity import activity
+try:
+  from hashlib import sha1
+except ImportError:
+  # Python < 2.5
+  from sha import new as sha1
+
+from persistence.jokemachinestate import JokeMachineState
+
+
+class __globals(object):
+  '''All applications have code that affects global state. These are the
+  globals for Jokemachine'''
+  
+  def __init__(self):
+    self.__pwd = activity.get_bundle_path()
+    self.__logo = 'resources/GameLogoCharacter.png'
+    self.__activity_state = None
+    self.__activity = None
+    
+    # owner
+    self.__owner = None
+    self.__owner_sha1 = None
+    
+    self.__temporary_filenames = []
+    
+
+  # convert all of these to @Property
+  def set_activity_instance(self, activity_instance):
+    logging.debug('setting actifity %r' % activity_instance)    
+    self.__activity = activity_instance
+    
+  # TODO -> Should we refresh the GUI for this one ?
+  def set_activity_state(self, activity_state):
+    self.__activity_state = activity_state
+    
+  def set_owner(self, owner):
+    logging.debug('Owner is %s' % owner.props.nick)
+    self.__owner = owner
+    self.__owner_sha1 = sha1(owner.props.nick).hexdigest()
+
+  @property
+  def pwd(self):
+    return self.__pwd
+  
+  @property
+  def tmpdir(self):
+    '''Temporary directory - currently this exists for the sole purpose of
+    having a place to dump sounds and images into so we don't have to keep
+    them in memory - don't know if this will still be valid under bitfrost,
+    don't know if sounds and images can be pulled directly out of the journal
+    when needing to be (dis)played'''
+    return '/tmp' #os.path.join(self.__pwd, 'tmp')
+  
+  @property
+  def logo(self):
+    return os.path.join(self.pwd, self.__logo)
+  
+  @property
+  def JokeMachineState(self):
+    if not self.__activity_state:
+      # Okay - When app is not run from Journal activity.read_file() is never
+      # called, which means we never call Globals.set_activity_state so we
+      # create a default state here:
+      logging.debug('Globals.JokeMachineState() - creating default data')
+      self.__activity_state = JokeMachineState().test_data() # TODO - implement JokeMachineState.new()
+    return self.__activity_state
+  
+  @property
+  def JokeMachineActivity(self):
+    if not self.__activity:
+      # todo log this!!
+      logging.debug('no activity set! - use Globals.set_activity_instance to register activity with Global manager')
+      return None
+    return self.__activity
+  
+  @property
+  def nickname(self):
+    return self.__owner.props.nick  
+  
+  
+  # utility functions with global state
+  
+  def temporary_filename(self):
+    # TODO - remember these and delete them all on app exit
+    file_name = os.tempnam(self.tmpdir)
+    self.__temporary_filenames.append(file_name)
+    return file_name
+
+  
+  def shutdown(self):
+    for filename in self.__temporary_filenames:
+      if os.path.exists(filename):
+        logging.info('  deleting temporary file: %s' % filename)
+        os.remove(filename)
+
+
+Globals = __globals()
+ 
+ 
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