解决Python出现_warn_unsafe_extraction问题的方法

发布时间：2020-12-16 20:51:27 所属栏目：Python 来源：网络整理

导读：在Python项目中运行出现了“AttributeError: ResourceManager instance has no attribute ‘_warn_unsafe_extraction'”问题，研究了一下，发现是setuptools在MacOS下的一个问题（见下图），我出现问题的是pymongo的库，需要删除pymongo，然后降级setuptools

在Python项目中运行出现了“AttributeError: ResourceManager instance has no attribute ‘_warn_unsafe_extraction'”问题，研究了一下，发现是setuptools在MacOS下的一个问题（见下图），我出现问题的是pymongo的库，需要删除pymongo，然后降级setuptools再重新安装。

解决方法：

1、删除pymongo：

sudo easy_install -mxN pmongo

2、降级setuptools：

sudo easy_install -mxN setuptools
sudo easy_install "setuptools<0.7"

3、重装pymongo：

sudo easy_install pymongo

问题解决！！！！！

附错误信息：

/System/Library/Frameworks/Python.framework/Versions/2.7/bin/python /Users/yourtion/Codes/python/knowme/server.py
Traceback (most recent call last):
 File "/Users/yourtion/Codes/python/knowme/server.py",line 5,in <module>
 from Handler.api import UserHandler
 File "/Users/yourtion/Codes/python/knowme/Handler/api.py",line 3,in <module>
 from Model.user import User
 File "/Users/yourtion/Codes/python/knowme/Model/user.py",line 2,in <module>
 from mongoengine import *
 File "build/bdist.macosx-10.9-intel/egg/mongoengine/__init__.py",line 1,in <module>
 File "build/bdist.macosx-10.9-intel/egg/mongoengine/document.py",line 4,in <module>
 File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/__init__.py",line 80,in <module>
 File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/connection.py",line 39,in <module>
 File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/mongo_client.py",line 44,in <module>
 File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/bson/__init__.py",line 41,in <module>
 File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/bson/_cbson.py",line 7,in __bootstrap__
 File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py",line 914,in resource_filename
 %s
 File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py",line 1601,in get_resource_filename
 """Retrieve a PEP 302 "importer" for the given path item
 File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py",line 1629,in _extract_resource
 from pkgutil import get_importer,ImpImporter
 File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py",line 990,in get_cache_path

AttributeError: ResourceManager instance has no attribute '_warn_unsafe_extraction'

Process finished with exit code 1

原文链接：http://blog.yourtion.com/solve-warn_unsafe_extraction.html

（编辑：李大同）

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