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factor out iterate code to be able to test it for one, two, ... runs

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Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
This commit is contained in:
Nico Schottelius 2013-06-20 11:24:47 +02:00
parent c5c5e7b89b
commit b2686f3b13
1 changed files with 34 additions and 21 deletions
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55
cdist/config_install.py
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@ -75,32 +75,45 @@ class ConfigInstall(object):
self.context.local.type_path): self.context.local.type_path):
yield cdist_object yield cdist_object
def iterate_once(self):
"""
Iterate over the objects once - helper method for
iterate_until_finished
"""
objects_changed = False
for cdist_object in self.object_list():
if cdist_object.requirements_unfinished(cdist_object.requirements):
"""We cannot do anything for this poor object"""
continue
if cdist_object.state == core.CdistObject.STATE_UNDEF:
"""Prepare the virgin object"""
self.object_prepare(cdist_object)
objects_changed = True
if cdist_object.requirements_unfinished(cdist_object.autorequire):
"""The previous step created objects we depend on - wait for them"""
continue
if cdist_object.state == core.CdistObject.STATE_PREPARED:
self.object_run(cdist_object)
objects_changed = True
return objects_changed
def iterate_until_finished(self): def iterate_until_finished(self):
# Continue process until no new objects are created anymore """
Go through all objects and solve them
one after another
"""
objects_changed = True objects_changed = True
while objects_changed: while objects_changed:
objects_changed = False objects_changed = self.iterate_once()
for cdist_object in self.object_list():
if cdist_object.requirements_unfinished(cdist_object.requirements):
"""We cannot do anything for this poor object"""
continue
if cdist_object.state == core.CdistObject.STATE_UNDEF:
"""Prepare the virgin object"""
self.object_prepare(cdist_object)
objects_changed = True
if cdist_object.requirements_unfinished(cdist_object.autorequire):
"""The previous step created objects we depend on - wait for them"""
continue
if cdist_object.state == core.CdistObject.STATE_PREPARED:
self.object_run(cdist_object)
objects_changed = True
# Check whether all objects have been finished # Check whether all objects have been finished
unfinished_objects = [] unfinished_objects = []