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Issue warning when specifying pre/successors across phases

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Anders Ingemann 2015-04-08 21:52:46 +02:00
parent b582bac853
commit 80ac206fb4
1 changed files with 12 additions and 4 deletions
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16
bootstrapvz/base/tasklist.py
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@ -162,21 +162,29 @@ def check_ordering(task):
:raises TaskListError: If there is a conflict between task precedence and phase precedence
"""
for successor in task.successors:
# Run through all successors and check whether the phase of the task
# comes before the phase of a successor
# Run through all successors and throw an error if the phase of the task
# lies before the phase of a successor, log a warning if it lies after.
if task.phase > successor.phase:
msg = ("The task {task} is specified as running before {other}, "
"but its phase '{phase}' lies after the phase '{other_phase}'"
.format(task=task, other=successor, phase=task.phase, other_phase=successor.phase))
raise TaskListError(msg)
if task.phase < successor.phase:
log.warn("The task {task} is specified as running before {other} "
"although its phase '{phase}' already lies before the phase '{other_phase}'"
.format(task=task, other=successor, phase=task.phase, other_phase=successor.phase))
for predecessor in task.predecessors:
# Run through all predecessors and check whether the phase of the task
# comes after the phase of a predecessor
# Run through all successors and throw an error if the phase of the task
# lies after the phase of a predecessor, log a warning if it lies before.
if task.phase < predecessor.phase:
msg = ("The task {task} is specified as running after {other}, "
"but its phase '{phase}' lies before the phase '{other_phase}'"
.format(task=task, other=predecessor, phase=task.phase, other_phase=predecessor.phase))
raise TaskListError(msg)
if task.phase > predecessor.phase:
log.warn("The task {task} is specified as running after {other} "
"although its phase '{phase}' already lies after the phase '{other_phase}'"
.format(task=task, other=predecessor, phase=task.phase, other_phase=predecessor.phase))
def strongly_connected_components(graph):