import pymongo 适用于 Python 解释器，但不适用于脚本

Posted 2023-03-12

【中文标题】import pymongo 适用于 Python 解释器，但不适用于脚本

【英文标题】：import pymongo works in Python interpreter but not script

【发布时间】：2012-05-01 08:25:40

【问题描述】：

我首先使用 easy_install 安装了 pymongo，但没有成功，所以我尝试使用 pip，但仍然失败。

这在终端很好：

Macintosh:etc me$ python
Python 2.7.2 (v2.7.2:8527427914a2, Jun 11 2011, 14:13:39) 
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pymongo
>>> 

但是在我脚本的第 10 行

import pymongo

抛出以下错误：

文件“test.py”，第 10 行，>在 导入pymongo ImportError: 没有名为 pymongo 的模块

我正在使用 Apache 和 Python 的标准 Lion 版本。有没有其他人经历过这种情况？

谢谢

编辑：我还应该提到，在安装过程中它会引发以下错误

Downloading/unpacking pymongo
Downloading pymongo-2.1.1.tar.gz (199Kb): 199Kb downloaded
Running setup.py egg_info for package pymongo

Installing collected packages: pymongo
Running setup.py install for pymongo
building 'bson._cbson' extension
gcc-4.0 -fno-strict-aliasing -fno-common -dynamic -arch ppc -arch i386 -g -O2 -DNDEBUG -g -O3 -Ibson -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c bson/_cbsonmodule.c -o build/temp.macosx-10.3-fat-2.7/bson/_cbsonmodule.o
unable to execute gcc-4.0: No such file or directory
command 'gcc-4.0' failed with exit status 1

**************************************************************
WARNING: The bson._cbson extension module could not
be compiled. No C extensions are essential for PyMongo to run,
although they do result in significant speed improvements.

If you are seeing this message on Linux you probably need to
install GCC and/or the Python development package for your
version of Python. Python development package names for popular
Linux distributions include:

RHEL/CentOS: python-devel
Debian/Ubuntu: python-dev

Above is the ouput showing how the compilation failed.
**************************************************************

building 'pymongo._cmessage' extension
gcc-4.0 -fno-strict-aliasing -fno-common -dynamic -arch ppc -arch i386 -g -O2 -DNDEBUG -g -O3 -Ibson -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c pymongo/_cmessagemodule.c -o build/temp.macosx-10.3-fat-2.7/pymongo/_cmessagemodule.o
unable to execute gcc-4.0: No such file or directory
command 'gcc-4.0' failed with exit status 1

**************************************************************
WARNING: The pymongo._cmessage extension module could not
be compiled. No C extensions are essential for PyMongo to run,
although they do result in significant speed improvements.

If you are seeing this message on Linux you probably need to
install GCC and/or the Python development package for your
version of Python. Python development package names for popular
Linux distributions include:

RHEL/CentOS: python-devel
Debian/Ubuntu: python-dev

Above is the ouput showing how the compilation failed.
**************************************************************

然后继续说

Successfully installed pymongo
Cleaning up...
Macintosh:etc me$  

很奇怪。

脚本中的 sys.path 返回为：

['/Library/WebServer/Documents/', '/Library/Python/2.7/site-packages/tweepy-1.7.1-py2.7.egg', '/System/Library/Frameworks/Python.framework /Versions/2.7/lib/python27.zip', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/System/Library/Frameworks/Python.framework/Versions/2.7 /lib/python2.7/plat-darwin', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/System/Library/Frameworks/Python.framework /Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', '/System/Library/Frameworks /Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old', '/System /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload'，'/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC'，' /Library/Python/2.7/site-packages']

在解释器中：

['', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/SQLObject-1.2.1-py2.7.egg', '/Library/Frameworks/ Python.framework/Versions/2.7/lib/python2.7/site-packages/FormEncode-1.2.4-py2.7.egg', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7 /site-packages/setuptools-0.6c12dev_r88846-py2.7.egg', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-1.1-py2.7.egg ', '/Library/Python/2.7/site-packages/tweepy-1.7.1-py2.7.egg', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', '/库/Frameworks/Python.framework/Versions/2.7/lib/python2.7', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin', '/Library/Frameworks/ Python.framework/Versions/2.7/lib/python2.7/plat-mac', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages', '/库/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk', '/Library/Frameworks/Python.framework/版本/2.7/lib/python2.7/lib-old', '/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload', '/Library/Frameworks/Python.framework/版本/2.7/lib/python2.7/site-packages', '/Library/Python/2.7/site-packages']

【问题讨论】：

也许你的 python 路径在解释器和脚本中不同？在这两种情况下，您的 sys.path 是什么？

嗨，Michal，我已经用两个输出编辑了我的帖子。谢谢你的时间:)

【参考方案1】：

我不确定为什么最后一条消息说“成功安装 pymongo”，但它显然失败了，因为您的系统上没有安装 gcc。您需要执行以下操作：

RHEL/Centos: sudo yum install gcc python-devel Debian/Ubuntu：sudo apt-get install gcc python-dev

然后尝试再次安装 pymongo。

【参考方案2】：

找到了！在导入 pymongo 模块之前需要附加路径

sys.path.append('/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages')
import pymongo

理想情况下，希望找到一种方法将其永久附加到 pythonpath，但现在可行！