annotate planemo/lib/python3.7/site-packages/galaxy/tool_util/verify/wait.py @ 1:56ad4e20f292 draft

"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1 """Abstraction for waiting on API conditions to become true."""
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2
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3 import time
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5
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6 def wait_on(function, desc, timeout):
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7 """Wait for function to return non-None value."""
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8 delta = .25
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9 iteration = 0
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10 while True:
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11 total_wait = delta * iteration
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12 if total_wait > timeout:
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13 timeout_message = "Timed out after %s seconds waiting on %s." % (
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14 total_wait, desc
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15 )
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16 raise TimeoutAssertionError(timeout_message)
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17 iteration += 1
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18 value = function()
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19 if value is not None:
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20 return value
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21 time.sleep(delta)
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24 class TimeoutAssertionError(AssertionError):
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25 """Derivative of AssertionError indicating wait_on exceeded max time."""
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26
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27 def __init__(self, message):
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28 super(TimeoutAssertionError, self).__init__(message)