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Eduardo95 opened this issue Jul 26, 2019 · 6 comments
Closed

python安装问题 #193

Eduardo95 opened this issue Jul 26, 2019 · 6 comments

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@Eduardo95
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@Eduardo95 Eduardo95 changed the title python python安装问题 Jul 26, 2019
@Eduardo95
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我按照github上的步骤源码安装了tdengine,然后使用官网上的教程安装了python包,但是import的时候报错

import taos
Traceback (most recent call last):
File "", line 1, in
File "/df-test/TDengine/src/connector/python/python3/taos/init.py", line 2, in
from .connection import TDengineConnection
File "/df-test/TDengine/src/connector/python/python3/taos/connection.py", line 2, in
from .cursor import TDengineCursor
File "/df-test/TDengine/src/connector/python/python3/taos/cursor.py", line 1, in
from .cinterface import CTaosInterface
File "/df-test/TDengine/src/connector/python/python3/taos/cinterface.py", line 137, in
class CTaosInterface(object):
File "/df-test/TDengine/src/connector/python/python3/taos/cinterface.py", line 139, in CTaosInterface
libtaos = ctypes.CDLL('libtaos.so')
File "/root/anaconda3/lib/python3.7/ctypes/init.py", line 356, in init
self._handle = _dlopen(self._name, mode)
OSError: libtaos.so: cannot open shared object file: No such file or directory

请问这是什么问题

@Eduardo95
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已解决

@byronsong
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请问你是怎么解决的?
我是64位centOS
执行命令:cp /usr/lib/libtaos.so /usr/lib64/
后OK了。

那么tdengine官方安装程序,是不是应该判断是32位系统,还是64位系统,然后将类库文件安装到正确路径。而不是需要每个人都手工纠正一遍?

@hzcheng
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hzcheng commented Aug 7, 2019

centos系统下貌似不会将/usr/lib文件夹放到C的动态链接列表里。可以通过在
~/.bash_profile文件中加上:

export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/lib"

然后

source ~/.bash_profile

@byronsong
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嗯。想起来了。
是通过pip安装的libtaos
那么或者应该可以在pip命令中指定target dir,安装到指定目录中。

Python没有认真学。就直接用了。
见笑了。

@treemp3
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treemp3 commented Aug 22, 2019

CentOS7.6 minimal版本pip3安装python3客户端后,需要执行cp /usr/lib/libtaos.so /usr/lib64/
不然会报错:OSError: libtaos.so: cannot open shared object file: No such file or directory
官方可以写到faq里面,方便大家查询。

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