我有Python 2.6.6。在我的Red Hat Linux VM上运行某个脚本。需要升级到3.4.1。试图无法在Red Hat Linux上升级Python
easy_install --upgrade python
但我总是得到
bash-4.1# easy_install --upgrade python
Searching for python
Reading http://pypi.python.org/simple/python/
Reading http://www.python.org
Reading http://www.python.org/2.3
Reading http://www.python.org/2.4
Reading http://www.python.org/2.4.1
Reading http://www.python.org/2.5
Reading http://www.python.org/download/
Best match: Python 3.4.1
Downloading https://www.python.org/ftp/python/3.4.1/Python-3.4.1.tgz
Processing Python-3.4.1.tgz
Running Python-3.4.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-Qd_HVP/Python-3.4.1/egg-dist-tmp-iqaG4H
Traceback (most recent call last):
File "/usr/bin/easy_install", line 9, in <module>
load_entry_point('distribute==0.6.10', 'console_scripts', 'easy_install')()
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1715, in main
with_ei_usage(lambda:
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1696, in with_ei_usage
return f()
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 1719, in <lambda>
distclass=DistributionWithoutHelpCommands, **kw
File "/usr/lib64/python2.6/distutils/core.py", line 152, in setup
dist.run_commands()
File "/usr/lib64/python2.6/distutils/dist.py", line 975, in run_commands
self.run_command(cmd)
File "/usr/lib64/python2.6/distutils/dist.py", line 995, in run_command
cmd_obj.run()
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 236, in run
self.easy_install(spec, not self.no_deps)
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 472, in easy_install
return self.install_item(spec, dist.location, tmpdir, deps)
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 502, in install_item
dists = self.install_eggs(spec, download, tmpdir)
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 681, in install_eggs
return self.build_and_install(setup_script, setup_base)
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 958, in build_and_install
self.run_setup(setup_script, setup_base, args)
File "/usr/lib/python2.6/site-packages/setuptools/command/easy_install.py", line 947, in run_setup
run_setup(setup_script, args)
File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 29, in run_setup
lambda: execfile(
File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 70, in run
return func()
File "/usr/lib/python2.6/site-packages/setuptools/sandbox.py", line 31, in <lambda>
{'__file__':setup_script, '__name__':'__main__'}
File "setup.py", line 1865
exec(f.read(), globals(), fficonfig)
SyntaxError: unqualified exec is not allowed in function 'configure_ctypes' it contains a nested function with free variables
bash-4.1# SyntaxError: unqualified exec is not allowed in function 'configure_ctypes' it contains a nested function with free variables
当然,我不能从计算机上删除的Python 2.6.6为很多系统脚本依赖于它。任何想法该怎么办?
简易安装用于升级包。检查这个安装Python 3 http://stackoverflow.com/questions/8087184/installing-python3-on-rhel – ChillarAnand 2014-09-04 20:29:48
“当然,我不能从机器上删除Python 2.6.6,因为很多系统脚本都依赖于它。”根据定义,这意味着您无法升级它。你可以做的是并排安装一个新的。幸运的是,Python可以轻松拥有两个不同的次要版本,甚至更容易拥有两个不同的主要版本。例如,你可以使用'python3'或'python3.4'来运行3.4版本,即使2。6在你的PATH中更高,脚本('easy_install','pip','ipython'等)将得到类似的处理。 – abarnert 2014-09-04 20:32:55
使用virtualenvirnonment – Vor 2014-09-04 20:34:01