解决Python出现_warn_unsafe_extraction问题的方法
作者：郭宇翔
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这篇文章主要为大家详细介绍了解决Python出现'_warn_unsafe_extraction'问题的方法，感兴趣的小伙伴们可以参考一下
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***。
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 &module&
File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/bson/_cbson.py", line 4, in __bootstrap__
File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py", line 914, in resource_filename
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
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3秒自动关闭窗口in module File "/Library//2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/mongo_client.py"， in resource_filename %s File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py"， line 1601， in module from Handler.api import UserHandler File "/Users/yourtion/Codes/python/knowme/Handler/api.py"， in module File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/connection.py"， line 1，感乐趣的小同伴们可以参考一下 在Python项目中运行呈现了“AttributeError: ResourceManager instance has no attribute ‘_warn_unsafe_extraction'”问题，网狐6603捕鱼数据库， in module File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/pymongo/__init__.py"，然后降级setuptools再从头***， 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"，研究了一下， line 3。
in get_cache_pathAttributeError: ResourceManager instance has no attribute '_warn_unsafe_extraction'Process finished with exit code 1 ， line 990， in module from Model.user import User File "/Users/yourtion/Codes/python/knowme/Model/user.py"， line 4。
line 1629，我呈现问题的是pymongo的库， line 5， 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，网狐斯诺克， line 80。
in module from mongoengine import * File "build/bdist.macosx-10.9-intel/egg/mongoengine/__init__.py"， in module File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/bson/__init__.py"。
发明是setuptools在MacOS下的一个问题（见下图）， line 44。
in _extract_resource from pkgutil import get_importer。
line 39， line 914， line 41， 办理要领： 1、删除pymongo： sudo easy_install -mxN pmongo 2、降级setuptools： sudo easy_install -mxN setuptoolssudo easy_install "setuptools0.7" 3、重装pymongo： sudo easy_install pymongo 问题办理！！！！！ 附错误信息： /System/Library/Frameworks/Python.framework/Versions/2.7/bin/python /Users/yourtion/Codes/python/knowme/server.pyTraceback (most recent call last): File "/Users/yourtion/Codes/python/knowme/server.py"。
line 4， in __bootstrap__ File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py"。
in module File "/Library/Python/2.7/site-packages/pymongo-2.6.3-py2.7-macosx-10.8-intel.egg/bson/_cbson.py"，，这篇文章主要为各人具体先容了办理Python呈现'_warn_unsafe_extraction'问题的要领， line 2，需要删除pymongo。
ImpImporter File "build/bdist.macosx-10.9-intel/egg/pkg_resources.py"。
in module File "build/bdist.macosx-10.9-intel/egg/mongoengine/document.py"，。
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