[Distutils] easy_install is not robust against network errors

[Manlio Perillo]

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I have found that easy_install is not very robust against network problems.

$easy_install --version
distribute 0.6.10


Searching for SQLAlchemy==dev
Reading http://pypi.python.org/simple/SQLAlchemy/
Download error: (113, 'No route to host') -- Some packages may not be found!
Couldn't retrieve index page for 'SQLAlchemy'
Scanning index of all packages (this may take a while)
Reading http://pypi.python.org/simple/
Download error: (101, 'Network is unreachable') -- Some packages may not
be found!
No local packages or download links found for SQLAlchemy==dev
Best match: None
Traceback (most recent call last):
  File "organizzasposi/deps/bin/easy_install", line 8, in <module>
    load_entry_point('setuptools==0.6c11', 'console_scripts',
'easy_install')()
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/command/easy_install.py",
line 1712, in main
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/command/easy_install.py",
line 1700, in with_ei_usage
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/command/easy_install.py",
line 1716, in <lambda>
  File "/usr/lib/python2.5/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/usr/lib/python2.5/distutils/dist.py", line 974, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.5/distutils/dist.py", line 994, in run_command
    cmd_obj.run()
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/command/easy_install.py",
line 211, in run
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/command/easy_install.py",
line 434, in easy_install
  File
"/home/manlio/.../deps/lib/python2.5/site-packages/setuptools-0.6c11-py2.5.egg/setuptools/package_index.py",
line 475, in fetch_distribution
AttributeError: 'NoneType' object has no attribute 'clone'



Thanks  Manlio
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