fix "when" field in calendar not showing dates

http://bugs.gentoo.org/show_bug.cgi?id=355913
http://code.google.com/p/googlecl/issues/detail?id=358

Index: googlecl/base.py
===================================================================
--- src/googlecl/base.py	(revision 527)
+++ src/googlecl/base.py	(working copy)
@@ -673,10 +673,12 @@
     except ValueError, err:
       LOG.debug(err.args[0] + ' (Did not add value for field ' + attr + ')')
     except AttributeError, err:
+      LOG.debug(err.args[0] + ' (value for field ' + attr + ')')
       try:
         # Last ditch effort to blindly grab the attribute
         val = getattr(wrapped_entry.entry, attr).text or missing_field_value
       except AttributeError:
+        LOG.debug(err.args[0] + ' (value for field ' + attr + ')')
         val = missing_field_value
     # Apparently, atom(?) doesn't always return a Unicode type when there are
     # non-latin characters, so force everything to Unicode.
Index: googlecl/calendar/__init__.py
===================================================================
--- src/googlecl/calendar/__init__.py	(revision 527)
+++ src/googlecl/calendar/__init__.py	(working copy)
@@ -235,12 +235,22 @@
 
 
 class CalendarEntryToStringWrapper(googlecl.base.BaseEntryToStringWrapper):
+  def __init__(self, entry, config):
+    """Initialize a CalendarEntry wrapper.
+
+    Args:
+      entry: CalendarEntry to interpret to strings.
+      config: Configuration parser. Needed for some values.
+    """
+    googlecl.base.BaseEntryToStringWrapper.__init__(self, entry)
+    self.config_parser = config
+
   @property
   def when(self):
     """When event takes place."""
     start_date, end_date, freq = get_datetimes(self.entry)
-    print_format = googlecl.CONFIG.lazy_get(SECTION_HEADER,
-                                            'date_print_format')
+    print_format = self.config_parser.lazy_get(SECTION_HEADER,
+                                                      'date_print_format')
     start_text = time.strftime(print_format, start_date)
     end_text = time.strftime(print_format, end_date)
     value = start_text + ' - ' + end_text
@@ -277,9 +287,9 @@
 
     for entry in single_events:
       print googlecl.base.compile_entry_string(
-                                            CalendarEntryToStringWrapper(entry),
-                                            options.fields.split(','),
-                                            delimiter=options.delimiter)
+                            CalendarEntryToStringWrapper(entry, client.config),
+                            options.fields.split(','),
+                            delimiter=options.delimiter)
 
 
 #===============================================================================