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82 lines
1.9 KiB
Python
82 lines
1.9 KiB
Python
#! /usr/bin/env python
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# Thomas Nagy, 2011
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# Try to cancel the tasks that cannot run with the option -k when an error occurs:
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# 1 direct file dependencies
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# 2 tasks listed in the before/after/ext_in/ext_out attributes
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from waflib import Task, Runner
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Task.CANCELED = 4
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def cancel_next(self, tsk):
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if not isinstance(tsk, Task.TaskBase):
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return
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if tsk.hasrun >= Task.SKIPPED:
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# normal execution, no need to do anything here
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return
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try:
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canceled_tasks, canceled_nodes = self.canceled_tasks, self.canceled_nodes
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except AttributeError:
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canceled_tasks = self.canceled_tasks = set([])
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canceled_nodes = self.canceled_nodes = set([])
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try:
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canceled_nodes.update(tsk.outputs)
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except AttributeError:
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pass
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try:
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canceled_tasks.add(tsk)
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except AttributeError:
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pass
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def get_out(self):
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tsk = self.out.get()
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if not self.stop:
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self.add_more_tasks(tsk)
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self.count -= 1
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self.dirty = True
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self.cancel_next(tsk) # new code
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def error_handler(self, tsk):
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if not self.bld.keep:
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self.stop = True
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self.error.append(tsk)
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self.cancel_next(tsk) # new code
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Runner.Parallel.cancel_next = cancel_next
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Runner.Parallel.get_out = get_out
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Runner.Parallel.error_handler = error_handler
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def get_next_task(self):
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tsk = self.get_next_task_smart_continue()
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if not tsk:
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return tsk
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try:
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canceled_tasks, canceled_nodes = self.canceled_tasks, self.canceled_nodes
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except AttributeError:
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pass
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else:
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# look in the tasks that this one is waiting on
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# if one of them was canceled, cancel this one too
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for x in tsk.run_after:
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if x in canceled_tasks:
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tsk.hasrun = Task.CANCELED
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self.cancel_next(tsk)
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break
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else:
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# so far so good, now consider the nodes
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for x in getattr(tsk, 'inputs', []) + getattr(tsk, 'deps', []):
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if x in canceled_nodes:
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tsk.hasrun = Task.CANCELED
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self.cancel_next(tsk)
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break
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return tsk
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Runner.Parallel.get_next_task_smart_continue = Runner.Parallel.get_next_task
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Runner.Parallel.get_next_task = get_next_task
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