92 lines
2.8 KiB
Python
92 lines
2.8 KiB
Python
import sys
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import numpy as np
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f2: np.float16
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f8: np.float64
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c8: np.complex64
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# Construction
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np.float32(3j) # E: incompatible type
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# Technically the following examples are valid NumPy code. But they
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# are not considered a best practice, and people who wish to use the
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# stubs should instead do
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#
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# np.array([1.0, 0.0, 0.0], dtype=np.float32)
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# np.array([], dtype=np.complex64)
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#
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# See e.g. the discussion on the mailing list
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#
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# https://mail.python.org/pipermail/numpy-discussion/2020-April/080566.html
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#
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# and the issue
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#
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# https://github.com/numpy/numpy-stubs/issues/41
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#
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# for more context.
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np.float32([1.0, 0.0, 0.0]) # E: incompatible type
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np.complex64([]) # E: incompatible type
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np.complex64(1, 2) # E: Too many arguments
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# TODO: protocols (can't check for non-existent protocols w/ __getattr__)
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np.datetime64(0) # E: No overload variant
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class A:
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def __float__(self):
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return 1.0
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np.int8(A()) # E: incompatible type
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np.int16(A()) # E: incompatible type
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np.int32(A()) # E: incompatible type
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np.int64(A()) # E: incompatible type
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np.uint8(A()) # E: incompatible type
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np.uint16(A()) # E: incompatible type
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np.uint32(A()) # E: incompatible type
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np.uint64(A()) # E: incompatible type
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np.void("test") # E: incompatible type
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np.generic(1) # E: Cannot instantiate abstract class
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np.number(1) # E: Cannot instantiate abstract class
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np.integer(1) # E: Cannot instantiate abstract class
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np.inexact(1) # E: Cannot instantiate abstract class
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np.character("test") # E: Cannot instantiate abstract class
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np.flexible(b"test") # E: Cannot instantiate abstract class
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np.float64(value=0.0) # E: Unexpected keyword argument
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np.int64(value=0) # E: Unexpected keyword argument
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np.uint64(value=0) # E: Unexpected keyword argument
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np.complex128(value=0.0j) # E: Unexpected keyword argument
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np.str_(value='bob') # E: No overload variant
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np.bytes_(value=b'test') # E: No overload variant
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np.void(value=b'test') # E: Unexpected keyword argument
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np.bool_(value=True) # E: Unexpected keyword argument
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np.datetime64(value="2019") # E: No overload variant
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np.timedelta64(value=0) # E: Unexpected keyword argument
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np.bytes_(b"hello", encoding='utf-8') # E: No overload variant
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np.str_("hello", encoding='utf-8') # E: No overload variant
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f8.item(1) # E: incompatible type
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f8.item((0, 1)) # E: incompatible type
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f8.squeeze(axis=1) # E: incompatible type
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f8.squeeze(axis=(0, 1)) # E: incompatible type
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f8.transpose(1) # E: incompatible type
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def func(a: np.float32) -> None: ...
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func(f2) # E: incompatible type
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func(f8) # E: incompatible type
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round(c8) # E: No overload variant
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c8.__getnewargs__() # E: Invalid self argument
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f2.__getnewargs__() # E: Invalid self argument
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f2.hex() # E: Invalid self argument
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np.float16.fromhex("0x0.0p+0") # E: Invalid self argument
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f2.__trunc__() # E: Invalid self argument
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f2.__getformat__("float") # E: Invalid self argument
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