Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/pandas/core/ops/invalid.py: 38%

1""" 

2Templates for invalid operations. 

3""" 

4from __future__ import annotations 

5 

6import operator 

7 

8import numpy as np 

9 

10 

11def invalid_comparison(left, right, op) -> np.ndarray: 

12 """ 

13 If a comparison has mismatched types and is not necessarily meaningful, 

14 follow python3 conventions by: 

15 

16 - returning all-False for equality 

17 - returning all-True for inequality 

18 - raising TypeError otherwise 

19 

20 Parameters 

21 ---------- 

22 left : array-like 

23 right : scalar, array-like 

24 op : operator.{eq, ne, lt, le, gt} 

25 

26 Raises 

27 ------ 

28 TypeError : on inequality comparisons 

29 """ 

30 if op is operator.eq: 

31 res_values = np.zeros(left.shape, dtype=bool) 

32 elif op is operator.ne: 

33 res_values = np.ones(left.shape, dtype=bool) 

34 else: 

35 typ = type(right).__name__ 

36 raise TypeError(f"Invalid comparison between dtype={left.dtype} and {typ}") 

37 return res_values 

38 

39 

40def make_invalid_op(name: str): 

41 """ 

42 Return a binary method that always raises a TypeError. 

43 

44 Parameters 

45 ---------- 

46 name : str 

47 

48 Returns 

49 ------- 

50 invalid_op : function 

51 """ 

52 

53 def invalid_op(self, other=None): 

54 typ = type(self).__name__ 

55 raise TypeError(f"cannot perform {name} with this index type: {typ}") 

56 

57 invalid_op.__name__ = name 

58 return invalid_op