The following issues were found

numpy/typing/tests/data/fail/dtype.py
5 issues
Missing module docstring
Error

Line: 1 Column: 1 

              import numpy as np


class Test1:
    not_dtype = np.dtype(float)


class Test2:
    dtype = float

Reported by Pylint.

Missing class docstring
Error

Line: 4 Column: 1 

              import numpy as np


class Test1:
    not_dtype = np.dtype(float)


class Test2:
    dtype = float

Reported by Pylint.

Too few public methods (0/2)
Error

Line: 4 Column: 1 

              import numpy as np


class Test1:
    not_dtype = np.dtype(float)


class Test2:
    dtype = float

Reported by Pylint.

Missing class docstring
Error

Line: 8 Column: 1 

                  not_dtype = np.dtype(float)


class Test2:
    dtype = float


np.dtype(Test1())  # E: No overload variant of "dtype" matches
np.dtype(Test2())  # E: incompatible type

Reported by Pylint.

Too few public methods (0/2)
Error

Line: 8 Column: 1 

                  not_dtype = np.dtype(float)


class Test2:
    dtype = float


np.dtype(Test1())  # E: No overload variant of "dtype" matches
np.dtype(Test2())  # E: incompatible type

Reported by Pylint.

numpy/ma/__init__.py
5 issues
Unable to import '__init__.core'
Error

Line: 43 Column: 1 

              
"""
from . import core
from .core import *

from . import extras
from .extras import *

__all__ = ['core', 'extras']

Reported by Pylint.

Unable to import '__init__.extras'
Error

Line: 46 Column: 1 

              from .core import *

from . import extras
from .extras import *

__all__ = ['core', 'extras']
__all__ += core.__all__
__all__ += extras.__all__

Reported by Pylint.

Module import itself
Error

Line: 42 Column: 1 

              .. moduleauthor:: Jarrod Millman

"""
from . import core
from .core import *

from . import extras
from .extras import *

Reported by Pylint.

Module import itself
Error

Line: 45 Column: 1 

              from . import core
from .core import *

from . import extras
from .extras import *

__all__ = ['core', 'extras']
__all__ += core.__all__
__all__ += extras.__all__

Reported by Pylint.

third party import "from numpy._pytesttester import PytestTester" should be placed before "from . import core"
Error

Line: 52 Column: 1 

              __all__ += core.__all__
__all__ += extras.__all__

from numpy._pytesttester import PytestTester
test = PytestTester(__name__)
del PytestTester

Reported by Pylint.

numpy/distutils/command/build_py.py
5 issues
Attribute 'packages' defined outside __init__
Error

Line: 9 Column: 13 

                  def run(self):
        build_src = self.get_finalized_command('build_src')
        if build_src.py_modules_dict and self.packages is None:
            self.packages = list(build_src.py_modules_dict.keys ())
        old_build_py.run(self)

    def find_package_modules(self, package, package_dir):
        modules = old_build_py.find_package_modules(self, package, package_dir)

Reported by Pylint.

XXX: Fix find_source_files for item in py_modules such that item is 3-tuple
Error

Line: 30 Column: 3 

              
        return modules

    # XXX: Fix find_source_files for item in py_modules such that item is 3-tuple
    # and item[2] is source file.

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from distutils.command.build_py import build_py as old_build_py
from numpy.distutils.misc_util import is_string

class build_py(old_build_py):

    def run(self):
        build_src = self.get_finalized_command('build_src')
        if build_src.py_modules_dict and self.packages is None:
            self.packages = list(build_src.py_modules_dict.keys ())

Reported by Pylint.

Class name "build_py" doesn't conform to PascalCase naming style
Error

Line: 4 Column: 1 

              from distutils.command.build_py import build_py as old_build_py
from numpy.distutils.misc_util import is_string

class build_py(old_build_py):

    def run(self):
        build_src = self.get_finalized_command('build_src')
        if build_src.py_modules_dict and self.packages is None:
            self.packages = list(build_src.py_modules_dict.keys ())

Reported by Pylint.

Missing class docstring
Error

Line: 4 Column: 1 

              from distutils.command.build_py import build_py as old_build_py
from numpy.distutils.misc_util import is_string

class build_py(old_build_py):

    def run(self):
        build_src = self.get_finalized_command('build_src')
        if build_src.py_modules_dict and self.packages is None:
            self.packages = list(build_src.py_modules_dict.keys ())

Reported by Pylint.

numpy/core/src/multiarray/compiled_base.c
5 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1540 Column: 25 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                          } else {
                for(int i = 0; i < 4; i++) {
                    for (int j = 0; j < vstep; j++) {
                        memcpy(outptr, (char*)&bb[i] + j, 1);
                        outptr += out_stride;
                    }
                }
            }
        }

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1553 Column: 17 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                          }
            npy_uint64 bb = npyv_tobits_b8(npyv_cmpneq_u8(va, v_zero));
            for (int i = 0; i < vstep; ++i) {
                memcpy(outptr, (char*)&bb + i, 1);
                outptr += out_stride;
            }
        }
    }
#endif

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1842 Column: 21 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                          if (order == 'b') {
                for (index = 0; index < in_n; index++) {
                    npy_uint64 v = unpack_lookup_big[*inptr].uint64;
                    memcpy(outptr, &v, 8);
                    outptr += 8;
                    inptr += in_stride;
                }
            }
            else {

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1853 Column: 21 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                                  if (order != 'b') {
                        v = npy_bswap8(v);
                    }
                    memcpy(outptr, &v, 8);
                    outptr += 8;
                    inptr += in_stride;
                }
            }
            /* Clean up the tail portion */

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 1864 Column: 17 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                              if (order != 'b') {
                    v = npy_bswap8(v);
                }
                memcpy(outptr, &v, in_tail);
            }
            /* Add padding */
            else if (out_pad) {
                memset(outptr, 0, out_pad);
            }

Reported by FlawFinder.

numpy/typing/tests/data/fail/index_tricks.py
5 issues
Statement seems to have no effect
Error

Line: 9 Column: 1 

              
np.unravel_index(AR_LIKE_f, (1, 2, 3))  # E: incompatible type
np.ravel_multi_index(AR_LIKE_i, (1, 2, 3), mode="bob")  # E: No overload variant
np.mgrid[1]  # E: Invalid index type
np.mgrid[...]  # E: Invalid index type
np.ogrid[1]  # E: Invalid index type
np.ogrid[...]  # E: Invalid index type
np.fill_diagonal(AR_LIKE_f, 2)  # E: incompatible type
np.diag_indices(1.0)  # E: incompatible type

Reported by Pylint.

Statement seems to have no effect
Error

Line: 10 Column: 1 

              np.unravel_index(AR_LIKE_f, (1, 2, 3))  # E: incompatible type
np.ravel_multi_index(AR_LIKE_i, (1, 2, 3), mode="bob")  # E: No overload variant
np.mgrid[1]  # E: Invalid index type
np.mgrid[...]  # E: Invalid index type
np.ogrid[1]  # E: Invalid index type
np.ogrid[...]  # E: Invalid index type
np.fill_diagonal(AR_LIKE_f, 2)  # E: incompatible type
np.diag_indices(1.0)  # E: incompatible type

Reported by Pylint.

Statement seems to have no effect
Error

Line: 11 Column: 1 

              np.ravel_multi_index(AR_LIKE_i, (1, 2, 3), mode="bob")  # E: No overload variant
np.mgrid[1]  # E: Invalid index type
np.mgrid[...]  # E: Invalid index type
np.ogrid[1]  # E: Invalid index type
np.ogrid[...]  # E: Invalid index type
np.fill_diagonal(AR_LIKE_f, 2)  # E: incompatible type
np.diag_indices(1.0)  # E: incompatible type

Reported by Pylint.

Statement seems to have no effect
Error

Line: 12 Column: 1 

              np.mgrid[1]  # E: Invalid index type
np.mgrid[...]  # E: Invalid index type
np.ogrid[1]  # E: Invalid index type
np.ogrid[...]  # E: Invalid index type
np.fill_diagonal(AR_LIKE_f, 2)  # E: incompatible type
np.diag_indices(1.0)  # E: incompatible type

Reported by Pylint.

Missing module docstring
Error

Line: 1 Column: 1 

              from typing import List
import numpy as np

AR_LIKE_i: List[int]
AR_LIKE_f: List[float]

np.unravel_index(AR_LIKE_f, (1, 2, 3))  # E: incompatible type
np.ravel_multi_index(AR_LIKE_i, (1, 2, 3), mode="bob")  # E: No overload variant
np.mgrid[1]  # E: Invalid index type

Reported by Pylint.

numpy/core/src/multiarray/getset.c
5 issues
memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 87 Column: 13 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      ((PyArrayObject_fields *)self)->strides = _dimensions + nd;

        if (nd) {
            memcpy(PyArray_DIMS(self), PyArray_DIMS(ret), nd*sizeof(npy_intp));
            memcpy(PyArray_STRIDES(self), PyArray_STRIDES(ret), nd*sizeof(npy_intp));
        }
    }
    else {
        /* Free old dimensions and strides */

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 88 Column: 13 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

              
        if (nd) {
            memcpy(PyArray_DIMS(self), PyArray_DIMS(ret), nd*sizeof(npy_intp));
            memcpy(PyArray_STRIDES(self), PyArray_STRIDES(ret), nd*sizeof(npy_intp));
        }
    }
    else {
        /* Free old dimensions and strides */
        npy_free_cache_dim_array(self);

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 170 Column: 9 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      goto fail;
    }
    if (newstrides.len) {
        memcpy(PyArray_STRIDES(self), newstrides.ptr, sizeof(npy_intp)*newstrides.len);
    }
    PyArray_UpdateFlags(self, NPY_ARRAY_C_CONTIGUOUS | NPY_ARRAY_F_CONTIGUOUS |
                              NPY_ARRAY_ALIGNED);
    npy_free_cache_dim_obj(newstrides);
    return 0;

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 634 Column: 13 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      }
        inter->strides = inter->shape + PyArray_NDIM(self);
        if (PyArray_NDIM(self)) {
            memcpy(inter->shape, PyArray_DIMS(self), sizeof(npy_intp)*PyArray_NDIM(self));
            memcpy(inter->strides, PyArray_STRIDES(self), sizeof(npy_intp)*PyArray_NDIM(self));
        }
    }
    else {
        inter->shape = NULL;

Reported by FlawFinder.

memcpy - Does not check for buffer overflows when copying to destination
Security

Line: 635 Column: 13 CWE codes: 120
Suggestion: Make sure destination can always hold the source data 

                      inter->strides = inter->shape + PyArray_NDIM(self);
        if (PyArray_NDIM(self)) {
            memcpy(inter->shape, PyArray_DIMS(self), sizeof(npy_intp)*PyArray_NDIM(self));
            memcpy(inter->strides, PyArray_STRIDES(self), sizeof(npy_intp)*PyArray_NDIM(self));
        }
    }
    else {
        inter->shape = NULL;
        inter->strides = NULL;

Reported by FlawFinder.

numpy/typing/_add_docstring.py
5 issues
Attempted relative import beyond top-level package
Error

Line: 6 Column: 1 

              import re
import textwrap

from ._generic_alias import NDArray

_docstrings_list = []


def add_newdoc(name: str, value: str, doc: str) -> None:

Reported by Pylint.

Variable name "s" doesn't conform to snake_case naming style
Error

Line: 34 Column: 9 

                  """
    type_list_ret = []
    for name, value, doc in _docstrings_list:
        s = textwrap.dedent(doc).replace("\n", "\n    ")

        # Replace sections by rubrics
        lines = s.split("\n")
        new_lines = []
        indent = ""

Reported by Pylint.

Variable name "m" doesn't conform to snake_case naming style
Error

Line: 41 Column: 13 

                      new_lines = []
        indent = ""
        for line in lines:
            m = re.match(r'^(\s+)[-=]+\s*$', line)
            if m and new_lines:
                prev = textwrap.dedent(new_lines.pop())
                if prev == "Examples":
                    indent = ""
                    new_lines.append(f'{m.group(1)}.. rubric:: {prev}')

Reported by Pylint.

Variable name "s" doesn't conform to snake_case naming style
Error

Line: 53 Column: 9 

                              new_lines.append("")
            else:
                new_lines.append(f"{indent}{line}")
        s = "\n".join(new_lines)

        # Done.
        type_list_ret.append(f""".. data:: {name}\n    :value: {value}\n    {s}""")
    return "\n".join(type_list_ret)

Reported by Pylint.

Constant name "_docstrings" doesn't conform to UPPER_CASE naming style
Error

Line: 149 Column: 1 

              
    """)

_docstrings = _parse_docstrings()

Reported by Pylint.

numpy/core/src/multiarray/scalartypes.h
5 issues
char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 5 Column: 31 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              #define _NPY_SCALARTYPES_H_

/* Internal look-up tables */
extern NPY_NO_EXPORT unsigned char
_npy_can_cast_safely_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_scalar_kinds_table[NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_type_promotion_table[NPY_NTYPES][NPY_NTYPES];

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 7 Column: 29 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              /* Internal look-up tables */
extern NPY_NO_EXPORT unsigned char
_npy_can_cast_safely_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_scalar_kinds_table[NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_type_promotion_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_smallest_type_of_kind_table[NPY_NSCALARKINDS];

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 9 Column: 29 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              _npy_can_cast_safely_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_scalar_kinds_table[NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_type_promotion_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_smallest_type_of_kind_table[NPY_NSCALARKINDS];
extern NPY_NO_EXPORT signed char
_npy_next_larger_type_table[NPY_NTYPES];

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 11 Column: 29 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              _npy_scalar_kinds_table[NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_type_promotion_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_smallest_type_of_kind_table[NPY_NSCALARKINDS];
extern NPY_NO_EXPORT signed char
_npy_next_larger_type_table[NPY_NTYPES];

NPY_NO_EXPORT void

Reported by FlawFinder.

char - Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues
Security

Line: 13 Column: 29 CWE codes: 119 120
Suggestion: Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length 

              _npy_type_promotion_table[NPY_NTYPES][NPY_NTYPES];
extern NPY_NO_EXPORT signed char
_npy_smallest_type_of_kind_table[NPY_NSCALARKINDS];
extern NPY_NO_EXPORT signed char
_npy_next_larger_type_table[NPY_NTYPES];

NPY_NO_EXPORT void
initialize_casting_tables(void);

Reported by FlawFinder.

numpy/fft/__init__.py
5 issues
Unable to import '__init__._pocketfft'
Error

Line: 204 Column: 1 

              """

from . import _pocketfft, helper
from ._pocketfft import *
from .helper import *

__all__ = _pocketfft.__all__.copy()
__all__ += helper.__all__

Reported by Pylint.

Unable to import '__init__.helper'
Error

Line: 205 Column: 1 

              
from . import _pocketfft, helper
from ._pocketfft import *
from .helper import *

__all__ = _pocketfft.__all__.copy()
__all__ += helper.__all__

from numpy._pytesttester import PytestTester

Reported by Pylint.

Module import itself
Error

Line: 203 Column: 1 

              
"""

from . import _pocketfft, helper
from ._pocketfft import *
from .helper import *

__all__ = _pocketfft.__all__.copy()
__all__ += helper.__all__

Reported by Pylint.

Module import itself
Error

Line: 203 Column: 1 

              
"""

from . import _pocketfft, helper
from ._pocketfft import *
from .helper import *

__all__ = _pocketfft.__all__.copy()
__all__ += helper.__all__

Reported by Pylint.

third party import "from numpy._pytesttester import PytestTester" should be placed before "from . import _pocketfft, helper"
Error

Line: 210 Column: 1 

              __all__ = _pocketfft.__all__.copy()
__all__ += helper.__all__

from numpy._pytesttester import PytestTester
test = PytestTester(__name__)
del PytestTester

Reported by Pylint.

numpy/f2py/tests/test_quoted_character.py
5 issues
Unable to import 'pytest'
Error

Line: 5 Column: 1 

              
"""
import sys
import pytest

from numpy.testing import assert_equal
from . import util

Reported by Pylint.

Attempted relative import beyond top-level package
Error

Line: 8 Column: 1 

              import pytest

from numpy.testing import assert_equal
from . import util


class TestQuotedCharacter(util.F2PyTest):
    code = """
      SUBROUTINE FOO(OUT1, OUT2, OUT3, OUT4, OUT5, OUT6)

Reported by Pylint.

Too few public methods (1/2)
Error

Line: 11 Column: 1 

              from . import util


class TestQuotedCharacter(util.F2PyTest):
    code = """
      SUBROUTINE FOO(OUT1, OUT2, OUT3, OUT4, OUT5, OUT6)
      CHARACTER SINGLE, DOUBLE, SEMICOL, EXCLA, OPENPAR, CLOSEPAR
      PARAMETER (SINGLE="'", DOUBLE='"', SEMICOL=';', EXCLA="!",
     1           OPENPAR="(", CLOSEPAR=")")

Reported by Pylint.

Missing class docstring
Error

Line: 11 Column: 1 

              from . import util


class TestQuotedCharacter(util.F2PyTest):
    code = """
      SUBROUTINE FOO(OUT1, OUT2, OUT3, OUT4, OUT5, OUT6)
      CHARACTER SINGLE, DOUBLE, SEMICOL, EXCLA, OPENPAR, CLOSEPAR
      PARAMETER (SINGLE="'", DOUBLE='"', SEMICOL=';', EXCLA="!",
     1           OPENPAR="(", CLOSEPAR=")")

Reported by Pylint.

Missing function or method docstring
Error

Line: 31 Column: 5 

              
    @pytest.mark.skipif(sys.platform=='win32',
                        reason='Fails with MinGW64 Gfortran (Issue #9673)')
    def test_quoted_character(self):
        assert_equal(self.module.foo(), (b"'", b'"', b';', b'!', b'(', b')'))

Reported by Pylint.