相关疑难解决方法(0)

clang错误:未知参数:'-mno-fused-madd'(python包安装失败)

尝试psycopg2通过Pip在Mavericks 10.9上安装时出现以下错误:

clang: error: unknown argument: '-mno-fused-madd' [-Wunused-command-line-argument-hard-error-in-future]
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不确定如何继续并在此处和其他地方搜索此特定错误.任何帮助深表感谢!

以下是pip的完整输出:

$ pip install psycopg2
Downloading/unpacking psycopg2
  Downloading psycopg2-2.5.2.tar.gz (685kB): 685kB downloaded
  Running setup.py (path:/private/var/folders/0z/ljjwsjmn4v9_zwm81vhxj69m0000gn/T/pip_build_tino/psycopg2/setup.py) egg_info for package psycopg2

Installing collected packages: psycopg2
  Running setup.py install for psycopg2
    building 'psycopg2._psycopg' extension
    cc -fno-strict-aliasing -fno-common -dynamic -arch x86_64 -arch i386 -g -Os -pipe -fno-common -fno-strict-aliasing -fwrapv -mno-fused-madd -DENABLE_DTRACE -DMACOSX -DNDEBUG -Wall -Wstrict-prototypes -Wshorten-64-to-32 -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -arch x86_64 -arch i386 -pipe -DPSYCOPG_DEFAULT_PYDATETIME=1 -DPSYCOPG_VERSION="2.5.2 (dt dec pq3 …
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python pip clang osx-mavericks

269
推荐指数
4
解决办法
7万
查看次数

pip无法正确安装包:权限被拒绝错误

我正在尝试安装lxml以在我的Mac上安装scrapy(v 10.9.4)

??ishaantaylor@Ishaans-MacBook-Pro.local ~
???  pip install lxml
Downloading/unpacking lxml
  Downloading lxml-3.4.0.tar.gz (3.5MB): 3.5MB downloaded
  Running setup.py (path:/private/var/folders/8l/t7tcq67d34v7qq_4hp3s1dm80000gn/T/pip_build_ishaantaylor/lxml/setup.py) egg_info for package lxml
    /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url'
      warnings.warn(msg)
    Building lxml version 3.4.0.
    Building without Cython.
    Using build configuration of libxslt 1.1.28

    warning: no previously-included files found matching '*.py'
Installing collected packages: lxml
  Running setup.py install for lxml
    /System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/distutils/dist.py:267: UserWarning: Unknown distribution option: 'bugtrack_url'
      warnings.warn(msg)
    Building lxml version 3.4.0.
    Building without Cython.
    Using build configuration of libxslt 1.1.28
    building 'lxml.etree' …
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python macos lxml pip scrapy

83
推荐指数
2
解决办法
21万
查看次数

安装python库时,"'cc'以退出状态1失败"错误

像许多其他人一样,我在安装python库时遇到问题(下载为tar,然后提取).

rodolphe-mbp:python-Levenshtein-0.11.2 Rodolphe$ sudo python setup.py install
running install
running bdist_egg
running egg_info
writing requirements to python_Levenshtein.egg-info/requires.txt
writing python_Levenshtein.egg-info/PKG-INFO
writing namespace_packages to python_Levenshtein.egg-info/namespace_packages.txt
writing top-level names to python_Levenshtein.egg-info/top_level.txt
writing dependency_links to python_Levenshtein.egg-info/dependency_links.txt
writing entry points to python_Levenshtein.egg-info/entry_points.txt
reading manifest file 'python_Levenshtein.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
warning: no files found matching '*' under directory 'docs'
warning: no previously-included files matching '*pyc' found anywhere in distribution
warning: no previously-included files matching '.project' found anywhere in distribution
warning: no previously-included files matching '.pydevproject' …
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python clang osx-mavericks xcode5.1

36
推荐指数
3
解决办法
5万
查看次数

如何重新安装lxml?

我在mac 10.7.5上使用python 2,7.5,beautifulsoup 4.2.1.我将使用lxml库解析xml页面,如beautifulsoup教程中所述.但是,当我运行我的代码时,它会显示出来

bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested:
lxml,xml. Do you need to install a parser library?
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我确信我已经通过所有方法安装了lxml:easy_install,pip,port等.我试着在我的代码中添加一行,看看是否安装了lxml:

import lxml
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然后python可以成功浏览此代码并再次显示上一条错误消息,发生在同一行.

所以我很确定已经安装了lxml,但没有正确安装.所以我决定卸载lxml,然后使用'正确'方法重新安装.但是当我输入时

easy_install -m  lxml
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表明:

Searching for lxml
Best match: lxml 3.2.1
Processing lxml-3.2.1-py2.7-macosx-10.6-intel.egg

Using /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/lxml-
3.2.1-py2.7-macosx-10.6-intel.egg

Because this distribution was installed --multi-version, before you can
import modules from this package in an application, you will need to
'import pkg_resources' and then use a 'require()' call similar to one of
these examples, …
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python lxml beautifulsoup easy-install

16
推荐指数
3
解决办法
3万
查看次数

ImportError:Mac上没有名为lxml的模块

我在运行Python脚本时遇到问题并显示此消息:

ImportError: No module named lxml
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我想我必须安装一些名为lxml但我真的是Python的新手,我真的没有太多的想法.

我想我在我的Mac上安装了两个版本的Python,这是我在其他主题中读到的,但我不确定.

我该如何解决这个问题?

Python版本:2.7.6

Mac OS X 10.9.2

python macos lxml

5
推荐指数
2
解决办法
2万
查看次数