我正在使用virtualenv
,我需要安装“ psycopg2”。
我已经完成以下工作:
pip install http://pypi.python.org/packages/source/p/psycopg2/psycopg2-2.4.tar.gz#md5=24f4368e2cfdc1a2b03282ddda814160
我有以下消息:
Downloading/unpacking http://pypi.python.org/packages/source/p/psycopg2/psycopg2
-2.4.tar.gz#md5=24f4368e2cfdc1a2b03282ddda814160
Downloading psycopg2-2.4.tar.gz (607Kb): 607Kb downloaded
Running setup.py egg_info for package from http://pypi.python.org/packages/sou
rce/p/psycopg2/psycopg2-2.4.tar.gz#md5=24f4368e2cfdc1a2b03282ddda814160
Error: pg_config executable not found.
Please add the directory containing pg_config to the PATH
or specify the full executable path with the option:
python setup.py build_ext --pg-config /path/to/pg_config build ...
or with the pg_config option in 'setup.cfg'.
Complete output from command python setup.py egg_info:
running egg_info
creating pip-egg-info\psycopg2.egg-info
writing pip-egg-info\psycopg2.egg-info\PKG-INFO
writing top-level names to pip-egg-info\psycopg2.egg-info\top_level.txt
writing dependency_links to pip-egg-info\psycopg2.egg-info\dependency_links.txt
writing manifest file 'pip-egg-info\psycopg2.egg-info\SOURCES.txt'
warning: manifest_maker: standard file '-c' not found
Error: pg_config executable not found.
Please add the directory containing pg_config to the PATH
or specify the full executable path with the option:
python setup.py build_ext --pg-config /path/to/pg_config build ...
or with the pg_config option in 'setup.cfg'.
----------------------------------------
Command python setup.py egg_info failed with error code 1
Storing complete log in C:\Documents and Settings\anlopes\Application Data\pip\p
ip.log
我的问题是,我只需要这样做才能使psycopg2工作?
python setup.py build_ext --pg-config /path/to/pg_config build ...
注意:早在不久之前,PyPI中就存在Windows的二进制轮子,因此Windows用户不再是问题。以下是适用于Linux和Mac用户的解决方案,因为他们中的很多人都是通过网络搜索找到这篇文章的。
psycopg2-binary
而是安装PyPI软件包,它具有适用于Linux和Mac OS的Python轮子。
pip install psycopg2-binary
安装用于psycopg2
从源代码构建软件包的先决条件:
sudo apt install libpq-dev python3-dev
您可能需要安装python3.8-dev
或类似的工具,例如Python 3.8。
sudo apt install libpq-dev python-dev
如果还不够,请尝试
sudo apt install build-essential
要么
sudo apt install postgresql-server-dev-all
在再次安装psycopg2之前。
参见班杰的答案
1真的吗?2020年
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