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authorRené 'Necoro' Neumann <necoro@necoro.net>2008-06-10 01:17:56 +0200
committerRené 'Necoro' Neumann <necoro@necoro.net>2008-06-10 01:17:56 +0200
commit772b3bb14fc3103d774e4e0d907a6c4670ed03f3 (patch)
tree6945a5f7d03838d9c934875377dfcf3d98ebb102 /portato/session.py
parent7a12f4c4031c85e4301d09ea5aa86e55103bb5e1 (diff)
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Allowed default for session; load 'app-portage/portato' as default for selections :)
Diffstat (limited to '')
-rw-r--r--portato/session.py13
1 files changed, 9 insertions, 4 deletions
diff --git a/portato/session.py b/portato/session.py
index 6abd899..e03f663 100644
--- a/portato/session.py
+++ b/portato/session.py
@@ -54,20 +54,20 @@ class Session (object):
# add version check
self.add_handler(([("version", "session")], self.check_version, lambda: self.VERSION))
- def add_handler (self, (options, load_fn, save_fn)):
+ def add_handler (self, (options, load_fn, save_fn), default = None):
"""
Adds a handler to this session. A handler is a three-tuple consisting of:
- a list of (key,section) values
- a function getting number of option arguments and applying them to the program
- a function returning the number of option return values - getting them out of the program
"""
- self._handlers.append((options, load_fn, save_fn))
+ self._handlers.append((options, load_fn, save_fn, default))
def load (self):
"""
Loads and applies all values of the session.
"""
- for options, lfn, sfn in self._handlers:
+ for options, lfn, sfn, default in self._handlers:
try:
loaded = [self._cfg.get(*x) for x in options]
except KeyError: # does not exist -> ignore
@@ -75,13 +75,18 @@ class Session (object):
else:
debug("Loading %s with values %s.", options, loaded)
lfn(*loaded)
+ return
+
+ if default:
+ debug("Loading %s with defaults %s.", options, default)
+ lfn(*default)
def save (self):
"""
Saves all options into the file.
"""
- for options, lfn, sfn in self._handlers:
+ for options, lfn, sfn, default in self._handlers:
vals = sfn()
# map into list if necessairy