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Python 生成错误 : failed to build modules _ssl and _hashlib

转载 作者:太空狗 更新时间:2023-10-29 20:25:04 51 4
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我通过将源代码安装到我的 RHEL4 盒子中来添加 python 2.7.13 作为 altinstall

wget --no-check-certificate https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz
tar -xvzf Python2.7.13.tar.xz
cd Python2.7.13
./configure --with-ensurepip=install
make
make test
make altinstall

这样我就不会覆盖其他用途所需的默认 python。 Python 2.7.13 将成功安装,但缺少我正在处理的项目的几个基本模块。

原来 _ssl 和 _haslib 模块会在这部分出错。

Python build finished, but the necessary bits to build these modules were not found:
_bsddb _sqlite3 _tkinter
bsddb185 dbm dl
gdbm imageop sunaudiodev

To find the necessary bits, look in setup.py in detect_modules() for the module's name.

我安装了 openssl 并确保它们位于 python 正在寻找它们的默认位置,所以现在我有了必要的位,但它以这条消息结束

Failed to build these modules:
_hashlib _ssl

下面是来自解压的 python 包的 python2.7 setup.py build 的完整输出。我一直在搜索谷歌和我能找到的任何地方,但到目前为止我在任何事情上都没有成功

running build
running build_ext
INFO: Can't locate Tcl/Tk libs and/or headers
building '_ssl' extension
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/local/ssl/include -I. -IInclude -I./Include -I/usr/local/include -I/usr/local/include/python2.7 -c /Python/Modules/_ssl.c -o build/temp.linux-x86_64-2.7/Python/Modules/_ssl.o
/Python/Modules/_ssl.c:57: warning: ignoring #pragma GCC diagnostic
/Python/Modules/_ssl.c: In function ‘_setup_ssl_threads’:
/Python/Modules/_ssl.c:4012: warning: comparison is always false due to limited range of data type
gcc -pthread -shared build/temp.linux-x86_64-2.7/Python/Modules/_ssl.o -L/usr/local/ssl/lib -L/usr/local/lib -lssl -lcrypto -o build/lib.linux-x86_64-2.7/_ssl.so
/usr/bin/ld: /usr/local/ssl/lib/libssl.a(s3_meth.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/ssl/lib/libssl.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
building '_hashlib' extension
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/local/ssl/include -I. -IInclude -I./Include -I/usr/local/include -I/usr/local/include/python2.7 -c /Python/Modules/_hashopenssl.c -o build/temp.linux-x86_64-2.7/Python/Modules/_hashopenssl.o
gcc -pthread -shared build/temp.linux-x86_64-2.7/Python/Modules/_hashopenssl.o -L/usr/local/ssl/lib -L/usr/local/lib -lssl -lcrypto -o build/lib.linux-x86_64-2.7/_hashlib.so
/usr/bin/ld: /usr/local/ssl/lib/libcrypto.a(o_names.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/ssl/lib/libcrypto.a: could not read symbols: Bad value
collect2: ld returned 1 exit status

Python build finished, but the necessary bits to build these modules were not found:
_bsddb _sqlite3 _tkinter
bsddb185 dbm dl
gdbm imageop sunaudiodev
To find the necessary bits, look in setup.py in detect_modules() for the module's name.


Failed to build these modules:
_hashlib _ssl

running build_scripts

当我尝试使用与我的 python 2.7.13 一起安装的 pip 时,我收到 SSL 错误,所以我一直在安装我的所有包和其他模块,如 cx_Oracle 和 CherryPy。

pip2.7 install cffi
pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
Collecting cffi
Could not fetch URL https://pypi.python.org/simple/cffi/: There was a problem confirming the ssl certificate: Can't connect to HTTPS URL because the SSL module is not available. - skipping
Could not find a version that satisfies the requirement cffi (from versions: )
No matching distribution found for cffi

我还尝试手动添加 ssl 模块

wget --no-check-certificate https://pypi.python.org/packages/83/21/f469c9923235f8c36d5fd5334ed11e2681abad7e0032c5aba964dcaf9bbb/ssl-1.16.tar.gz#md5=fb12d335d56f3c8c7c1fefc1c06c4bfb
tar -xvzf ssl-1.16.tar.gz
cd ssl-1.16
python2.7 setup.py build

但我得到一个错误,它不应该与 python 超过 2.6 一起使用

Traceback (most recent call last):
File "setup.py", line 12, in <module>
+ "or earlier.")
ValueError: This extension should not be used with Python 2.6 or later (already built in), and has not been tested with Python 2.3.4 or earlier.

编辑

我四处寻找解决方案,在梳理了 setup.py build 的输出后,发现有人有类似的问题,似乎与 openssl here 有关所以我用

重建了我的 openssl
./config enable-shared
make
make test
make install

现在我得到了一个关于 ssl 模块的稍微不同的错误,我是不是越来越搞砸了我的环境?

python2.7 setup.py build
running build
running build_ext
INFO: Can't locate Tcl/Tk libs and/or headers
building '_ssl' extension
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/local/ssl/include -I. -IInclude -I./Include -I/usr/local/include -I/usr/local/include/python2.7 -c /Python/Modules/_ssl.c -o build/temp.linux-x86_64-2.7/Python/Modules/_ssl.o
/Python/Modules/_ssl.c:57: warning: ignoring #pragma GCC diagnostic
/Python/Modules/_ssl.c: In function ‘_setup_ssl_threads’:
/Python/Modules/_ssl.c:4012: warning: comparison is always false due to limited range of data type
gcc -pthread -shared build/temp.linux-x86_64-2.7/Python/Modules/_ssl.o -L/usr/local/ssl/lib -L/usr/local/lib -lssl -lcrypto -o build/lib.linux-x86_64-2.7/_ssl.so
*** WARNING: renaming "_ssl" since importing it failed: libssl.so.1.0.0: cannot open shared object file: No such file or directory
building '_hashlib' extension
gcc -pthread -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -fPIC -I/usr/local/ssl/include -I. -IInclude -I./Include -I/usr/local/include -I/usr/local/include/python2.7 -c /Python/Modules/_hashopenssl.c -o build/temp.linux-x86_64-2.7/Python/Modules/_hashopenssl.o
gcc -pthread -shared build/temp.linux-x86_64-2.7/Python/Modules/_hashopenssl.o -L/usr/local/ssl/lib -L/usr/local/lib -lssl -lcrypto -o build/lib.linux-x86_64-2.7/_hashlib.so
*** WARNING: renaming "_hashlib" since importing it failed: libssl.so.1.0.0: cannot open shared object file: No such file or directory

Python build finished, but the necessary bits to build these modules were not found:
_bsddb _sqlite3 _tkinter
bsddb185 dbm dl
gdbm imageop sunaudiodev
To find the necessary bits, look in setup.py in detect_modules() for the module's name.


Failed to build these modules:
_hashlib _ssl

running build_scripts

输出中的新警告消息 *** 警告:重命名“_ssl”因为导入失败:libssl.so.1.0.0:无法打开共享对象文件:没有这样的文件或目录表示该文件不存在,但我在/usr/local/ssl/lib/中看到它是 libssl.so.1.0.0 并且可以通过搜索找到它

find / -name libssl.so.1.0.0
/usr/local/ssl/lib/libssl.so.1.0.0
/tmp/openssl-1.0.2l/libssl.so.1.0.0

最佳答案

好吧,我不知道是否觉得自己很愚蠢,这只是我完全忽略的一件常见事情,因为我对 linux CLI 还很陌生。但是,我能够通过 https://stackoverflow.com/a/28460293/8222554 中的几个简单步骤解决 _hashlib 和 _ssl 模块的构建错误。阿莫的回应。

我首先尝试了 ldconfig 但这并没有解决我的问题,所以我只是查看了我的 LD_LIBRARY_PATH 中的内容

echo $LD_LIBRARY_PATH

然后取回这些不包括 libssl.so.1.0.0 文件所在位置的位置

/usr/lib/oracle/11.2/client64/lib:/usr/lib/oracle/11.2/client/lib

然后我按照我之前在安装 Oracle 即时客户端和 cx_Oracle 模块时所做的步骤进行操作,这些步骤很容易在这篇博文中列出:https://ubuntugeeknerd.blogspot.com/2013/08/how-to-install-oxoracle-in-rhel-64-bit.html

我用于 ssl 模块的那些步骤如下

export LD_LIBRARY_PATH=/usr/local/ssl/lib/:$LD_LIBRARY_PATH >> ~/.bashrc
echo $LD_LIBRARY_PATH
/usr/local/ssl/lib/:/usr/lib/oracle/11.2/client64/lib:/usr/lib/oracle/11.2/client/lib

在此之后我执行了 python2.7 setup.py clean 然后是 python2.7 setup.py build 最后是 python2.7 setup.py install。除了我没有必要的位(并且无论如何也不打算构建)之外,输出没有返回任何构建失败。

我可以在打开 python 并成功导入模块时验证 ssl 模块现在是否存在

Python 2.7.13 (default, Jun 26 2017, 15:21:33)
[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import ssl
>>>

希望这对遇到类似问题的人有帮助

关于Python 生成错误 : failed to build modules _ssl and _hashlib,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44789416/

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