56 lines
1.3 KiB
Python
56 lines
1.3 KiB
Python
"""
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Like fail_switch_three_greenlets, but the call into g1_run would actually be
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valid.
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"""
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import greenlet
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g1 = None
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g2 = None
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switch_to_g2 = True
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results = []
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def tracefunc(*args):
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results.append(('trace', args[0]))
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print('TRACE', *args)
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global switch_to_g2
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if switch_to_g2:
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switch_to_g2 = False
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g2.switch('g2 from tracefunc')
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print('\tLEAVE TRACE', *args)
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def g1_run(arg):
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results.append(('g1 arg', arg))
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print('In g1_run')
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from_parent = greenlet.getcurrent().parent.switch('from g1_run')
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results.append(('g1 from parent', from_parent))
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return 'g1 done'
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def g2_run(arg):
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#g1.switch()
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results.append(('g2 arg', arg))
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parent = greenlet.getcurrent().parent.switch('from g2_run')
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global switch_to_g2
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switch_to_g2 = False
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results.append(('g2 from parent', parent))
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return 'g2 done'
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greenlet.settrace(tracefunc)
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g1 = greenlet.greenlet(g1_run)
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g2 = greenlet.greenlet(g2_run)
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x = g1.switch('g1 from main')
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results.append(('main g1', x))
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print('Back in main', x)
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x = g1.switch('g2 from main')
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results.append(('main g2', x))
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print('back in amain again', x)
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x = g1.switch('g1 from main 2')
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results.append(('main g1.2', x))
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x = g2.switch()
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results.append(('main g2.2', x))
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print("RESULTS:", results)
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