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from contextvars import ContextVar |
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3
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from curio import run |
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5
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from libellule.control_flow.common import * |
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6
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from libellule.control_flow.control import * |
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7
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8
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9
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async def a_func(): |
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return "a" |
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11
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12
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13
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async def b_func(): |
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return "b" |
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15
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16
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17
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async def failure_func(): |
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18
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return FAILURE |
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19
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20
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21
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async def success_func(): |
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return SUCCESS |
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23
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24
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25
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async def exception_func(): |
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raise RuntimeError() |
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27
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28
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29
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def test_sequence(): |
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30
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assert not run( |
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sequence(children=[a_func, failure_func, success_func]) |
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32
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), "default behaviour fail of one failed" |
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33
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34
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assert run( |
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35
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sequence(children=[a_func, failure_func, success_func], succes_threshold=2) |
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36
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) |
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37
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assert run( |
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38
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sequence(children=[a_func, success_func, failure_func], succes_threshold=2) |
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39
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) |
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40
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assert run( |
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41
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sequence(children=[failure_func, a_func, success_func], succes_threshold=2) |
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42
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) |
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43
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44
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assert run( |
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45
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sequence(children=[exception_func, failure_func, a_func], succes_threshold=1) |
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46
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) |
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47
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assert not run( |
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48
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sequence(children=[exception_func, failure_func], succes_threshold=1) |
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49
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) |
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50
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51
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assert not run(sequence(children=[])) |
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52
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53
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54
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def test_fallback(): |
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55
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assert run(fallback(children=[exception_func, failure_func, a_func])) |
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56
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assert not run(fallback(children=[exception_func, failure_func])) |
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57
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assert not run(fallback(children=[])) |
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58
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59
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60
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def test_selector(): |
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assert run(selector(children=[exception_func, failure_func, a_func])) |
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62
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assert not run(selector(children=[exception_func, failure_func])) |
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63
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assert selector(children=[]).__node_metadata.name == "selector" |
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64
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65
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66
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def test_decision(): |
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67
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assert run(decision(condition=success_func, success_tree=a_func)) == "a" |
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68
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assert not run(decision(condition=failure_func, success_tree=a_func)) |
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69
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assert ( |
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70
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run(decision(condition=failure_func, success_tree=a_func, failure_tree=b_func)) |
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== "b" |
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) |
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73
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74
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75
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def test_repeat_until(): |
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76
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77
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counter = ContextVar("counter", default=5) |
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78
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79
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async def tick(): |
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80
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value = counter.get() |
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81
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counter.set(value - 1) |
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82
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if value <= 0: |
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83
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return FAILURE |
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84
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if value == 3: |
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85
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raise RuntimeError("3") |
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86
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return SUCCESS |
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87
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88
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assert run(repeat_until(condition=tick, child=a_func)) == "a" |
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89
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geronimo-iia /
async-btree
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