Coverage for /pythoncovmergedfiles/medio/medio/src/airflow/build/lib/airflow/serialization/serializers/numpy.py: 44%

1# 

2# Licensed to the Apache Software Foundation (ASF) under one 

3# or more contributor license agreements. See the NOTICE file 

4# distributed with this work for additional information 

5# regarding copyright ownership. The ASF licenses this file 

6# to you under the Apache License, Version 2.0 (the 

7# "License"); you may not use this file except in compliance 

8# with the License. You may obtain a copy of the License at 

9# 

10# http://www.apache.org/licenses/LICENSE-2.0 

11# 

12# Unless required by applicable law or agreed to in writing, 

13# software distributed under the License is distributed on an 

14# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 

15# KIND, either express or implied. See the License for the 

16# specific language governing permissions and limitations 

17# under the License. 

18from __future__ import annotations 

19 

20from typing import TYPE_CHECKING, Any 

21 

22from airflow.utils.module_loading import qualname 

23 

24serializers = [] 

25 

26try: 

27 import numpy as np 

28 

29 serializers = [ 

30 np.int_, 

31 np.intc, 

32 np.intp, 

33 np.int8, 

34 np.int16, 

35 np.int32, 

36 np.int64, 

37 np.uint8, 

38 np.uint16, 

39 np.uint32, 

40 np.uint64, 

41 np.bool_, 

42 np.float_, 

43 np.float16, 

44 np.float64, 

45 np.complex_, 

46 np.complex64, 

47 np.complex128, 

48 ] 

49except ImportError: 

50 np = None # type: ignore 

51 

52 

53if TYPE_CHECKING: 

54 from airflow.serialization.serde import U 

55 

56deserializers: list = serializers 

57_deserializers: dict[str, type[object]] = {qualname(x): x for x in deserializers} 

58 

59__version__ = 1 

60 

61 

62def serialize(o: object) -> tuple[U, str, int, bool]: 

63 if np is None: 

64 return "", "", 0, False 

65 

66 name = qualname(o) 

67 if isinstance( 

68 o, 

69 ( 

70 np.int_, 

71 np.intc, 

72 np.intp, 

73 np.int8, 

74 np.int16, 

75 np.int32, 

76 np.int64, 

77 np.uint8, 

78 np.uint16, 

79 np.uint32, 

80 np.uint64, 

81 ), 

82 ): 

83 return int(o), name, __version__, True 

84 

85 if isinstance(o, np.bool_): 

86 return bool(np), name, __version__, True 

87 

88 if isinstance( 

89 o, (np.float_, np.float16, np.float32, np.float64, np.complex_, np.complex64, np.complex128) 

90 ): 

91 return float(o), name, __version__, True 

92 

93 return "", "", 0, False 

94 

95 

96def deserialize(classname: str, version: int, data: str) -> Any: 

97 if version > __version__: 

98 raise TypeError("serialized version is newer than class version") 

99 

100 f = _deserializers.get(classname, None) 

101 if callable(f): 

102 return f(data) # type: ignore [call-arg] 

103 

104 raise TypeError(f"unsupported {classname} found for numpy deserialization")