使用未声明的标识符“NUMPY_IMPORT_ARRAY_RETVAL”返回 NUMPY_IMPORT_ARRAY_RETVAL；答案

【问题标题】：use of undeclared identifier 'NUMPY_IMPORT_ARRAY_RETVAL' return NUMPY_IMPORT_ARRAY_RETVAL;使用未声明的标识符“NUMPY_IMPORT_ARRAY_RETVAL”返回 NUMPY_IMPORT_ARRAY_RETVAL；
【发布时间】：2021-01-18 05:56:46
【问题描述】：

安装 pysat 失败并收到一条长长的错误消息，如下所示。

错误信息：


    gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/<home>/opt/anaconda3/envs/py38/include -arch x86_64 -I/Users/<home>/opt/anaconda3/envs/py38/include -arch x86_64 -Ipandas/_libs/src/ujson/python -Ipandas/_libs/src/ujson/lib -Ipandas/_libs/src/datetime -I/Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/numpy/core/include -I/Users/<home>/opt/anaconda3/envs/py38/include/python3.8 -c pandas/_libs/src/ujson/python/objToJSON.c -o build/temp.macosx-10.9-x86_64-3.8/pandas/_libs/src/ujson/python/objToJSON.o -D_GNU_SOURCE -Wno-unused-function
    In file included from pandas/_libs/src/ujson/python/objToJSON.c:44:
    In file included from /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/numpy/core/include/numpy/arrayobject.h:4:
    In file included from /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/numpy/core/include/numpy/ndarrayobject.h:12:
    In file included from /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/numpy/core/include/numpy/ndarraytypes.h:1822:
    /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:17:2: warning: "Using deprecated NumPy API, disable it with "          "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-W#warnings]
    #warning "Using deprecated NumPy API, disable it with " \
     ^
    pandas/_libs/src/ujson/python/objToJSON.c:194:12: error: use of undeclared identifier 'NUMPY_IMPORT_ARRAY_RETVAL'
        return NUMPY_IMPORT_ARRAY_RETVAL;
               ^
    1 warning and 1 error generated.
    error: command 'gcc' failed with exit status 1
    ----------------------------------------
  Rolling back uninstall of pandas
  Moving to /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/pandas-1.0.3.dist-info/
   from /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/~andas-1.0.3.dist-info
  Moving to /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/pandas/
   from /Users/<home>/opt/anaconda3/envs/py38/lib/python3.8/site-packages/~andas
ERROR: Command errored out with exit status 1: /Users/<home>/opt/anaconda3/envs/py38/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/5p/_ydvdq5959v8p0kntv58swdc0000gn/T/pip-install-rnh260bm/pandas/setup.py'"'"'; __file__='"'"'/private/var/folders/5p/_ydvdq5959v8p0kntv58swdc0000gn/T/pip-install-rnh260bm/pandas/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/5p/_ydvdq5959v8p0kntv58swdc0000gn/T/pip-record-53ycqncw/install-record.txt --single-version-externally-managed --compile --install-headers /Users/<home>/opt/anaconda3/envs/py38/include/python3.8/pandas Check the logs for full command output.

复制重现行为的步骤：

pip install pysat

设置：

操作系统：MacOS Catalina
10.15.7 (19H2)
Python：3.8
MacBook：MacBook Pro（15 英寸，2019 年）

附加上下文 在此处添加有关该问题的任何其他上下文。

【问题讨论】：

标签： python pandas numpy

【解决方案1】：

我在不同的上下文和不同的架构 (ubuntu) 中遇到了类似的错误。

错误提示是未声明变量的名称为：NUMPY_IMPORT_ARRAY_RETVAL;这包含对numpy 的引用。

第一：你安装了numpy 吗？如果没有，我会从那里开始。

但是，就我而言，我不得不将 numpy 从 1.19.5 降级。我无法告诉你在你的情况下你必须使用numpy 的方向，因为我不知道你在做什么 - 但也许尝试修改numpy 版本？

【讨论】：