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1
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from typing import Any, List, TypeVar, Type, cast, Callable |
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2
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from enum import Enum |
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3
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from datetime import datetime, timedelta |
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4
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import dateutil.parser |
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5
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6
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7
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T = TypeVar("T") |
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8
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EnumT = TypeVar("EnumT", bound=Enum) |
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9
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10
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11
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def from_str(x: Any) -> str: |
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12
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if x is None: |
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13
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return |
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14
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assert isinstance(x, str) |
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15
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return x |
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16
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17
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18
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def from_bool(x: Any) -> bool: |
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19
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if x is None: |
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20
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return |
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21
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assert isinstance(x, bool) |
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22
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return x |
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23
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24
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25
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def from_int(x: Any) -> int: |
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26
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if x is None: |
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27
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return |
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28
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assert isinstance(x, int) and not isinstance(x, bool) |
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29
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return x |
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30
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31
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32
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def from_datetime(x: Any) -> datetime: |
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33
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if x is None: |
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34
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return |
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35
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return dateutil.parser.parse(x) |
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36
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37
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# 'P0DT01H44M03.313433S' |
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38
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# using an iso 8601 lib to parse this seems like overkill |
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39
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40
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41
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def from_timedelta(x: Any) -> timedelta: |
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42
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if x is None: |
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43
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return |
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44
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return timedelta( |
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45
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hours=float(x[4:6]), minutes=float(x[7:9]), seconds=float(x[10:-1]) |
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46
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) |
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47
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48
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49
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def from_none(x: Any) -> Any: |
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50
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assert x is None |
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51
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return x |
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52
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53
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54
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def to_class(c: Type[T], x: Any) -> dict: |
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55
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if x is None: |
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56
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return |
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57
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assert isinstance(x, c) |
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58
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return cast(Any, x).to_dict() |
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59
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60
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61
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def from_list(f: Callable[[Any], T], x: Any) -> List[T]: |
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62
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if x is None: |
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63
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return |
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64
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assert isinstance(x, list) |
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65
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return [f(y) for y in x] |
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66
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67
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68
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def from_union(fs, x): |
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69
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for f in fs: |
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70
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try: |
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71
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return f(x) |
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72
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except Any: |
|
73
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pass |
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74
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assert False |
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75
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76
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77
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def is_type(t: Type[T], x: Any) -> T: |
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78
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if x is None: |
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79
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return |
|
80
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assert isinstance(x, t) |
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81
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return x |
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82
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ssbm-oro /
racetime-obs
