我正在尝试对这段代码 (GDTest.pyx
) 进行 Cythonize 处理:
cimport numpy as np
import numpy as np
DTYPE = np.float64
ctypedef np.float64_t DTYPE_t
# Generates a matrix of Dirichlet random variates of size K
# Argument alpha: J x K matrix of Dirichlet parameters
# Returns g: J x K matrix of J Dirichlet draws, each of dimension K
# (each row sums to 1)
def GenerateDirich(np.ndarray alpha):
assert alpha.dtype==np.float64
cdef double fuzz = pow(10,-200)
cdef np.ndarray g=np.zeros((alpha.shape[0],alpha.shape[1]), dtype=DTYPE)
cdef np.ndarray gSum
g[:,:] = np.maximum(np.random.gamma(alpha[:,:]),fuzz)
gSum = np.sum(g,axis=1)
gSum = gSum[:,np.newaxis]
g = np.copy(g/(np.kron(np.ones((1,alpha.shape[1])),gSum)))
g=np.copy(g/np.repeat(gSum,alpha.shape[1]).reshape((gSum.shape[0],alpha.shape[1])))
return g
这是我的setup.py
:
from distutils.core import setup
from Cython.Build import cythonize
import numpy
setup(
ext_modules=cythonize('GDTest.pyx'),
include_dirs=[numpy.get_include()]
)
当我运行这条线时:
python setup.py -c mingw64 --inplace
我收到一堆警告(已弃用的 numpy API,以及一些与 _Pyx_RaiseTooManyValuesError
相关的警告),但随后它创建了 GDTest.pyd
。当我尝试导入它时,出现错误:
ImportError:DLL Load Failed: A dynamic link library (DLL) initialization routine failed.
我运行了 dependency walker,这是它所缺少的:
API-MS-WIN-CORE-KERNEL32-PRIVATE-L1-1-1.DLL
API-MS-WIN-CORE-PRIVATEPROFILE-L1-1-1.DLL
API-MS-WIN-SERVICE-PRIVATE-L1-1-1.DLL
MSVCR90.DLL
API-MS-WIN-CORE-SHUTDOWN-L1-1-1.DLL
EXT-MS-WIN-NTUSER-UICONTEXT-EXT-L1-1-0.DLL
IESHIMS.DLL
奇怪的是,如果我尝试第二次导入它(import GDTest
),它会起作用。关于如何解决此问题的任何想法?
谢谢!
最佳答案
我通过完全卸载 canopy 解决了我的问题。然后,我安装了 32 位版本的 anaconda 和 MS visual studio 2008 express edition。现在可以了。万岁!
关于python - ImportError importing .pyd - DLL 加载失败。 Cython,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/29680312/