[NumPy-Tickets] [NumPy] #1857: Pip install into virtualenv doesn't work

[NumPy Trac]

#1857: Pip install into virtualenv doesn't work
-------------------------------+--------------------------------------------
 Reporter:  rgommers           |       Owner:  rgommers   
     Type:  defect             |      Status:  new        
 Priority:  normal             |   Milestone:  Unscheduled
Component:  numpy.distutils    |     Version:  1.6.0      
 Keywords:  pip, easy_install  |  
-------------------------------+--------------------------------------------

Comment(by rgommers):

 I meant after always changing {{{__file__}}} it works. Looks like this for
 me:
 {{{
 #!diff
 diff --git a/numpy/distutils/ccompiler.py b/numpy/distutils/ccompiler.py
 index 14213dc..e3b88af 100644
 --- a/numpy/distutils/ccompiler.py
 +++ b/numpy/distutils/ccompiler.py
 @@ -58,7 +58,11 @@ def CCompiler_spawn(self, cmd, display=None):
      if s:
          if is_sequence(cmd):
              cmd = ' '.join(list(cmd))
 -        print(o)
 +        try:
 +            print(o)
 +        except UnicodeError:
 +            # When installing through pip, `o` can contain non-ascii
 chars
 +            pass
          if re.search('Too many open files', o):
              msg = '\nTry rerunning setup command until build succeeds.'
          else:
 diff --git a/setup.py b/setup.py
 index 542ca7b..b0b7a97 100755
 --- a/setup.py
 +++ b/setup.py
 @@ -167,6 +167,18 @@ def setup_package():
          if os.path.isfile(site_cfg):
              shutil.copy(site_cfg, src_path)

 +        # Ugly hack to make pip work with Python 3, see #1857.
 +        # Explanation: pip messes with __file__ which interacts badly
 with the
 +        # change in directory due to the 2to3 conversion.  Therefore we
 restore
 +        # __file__ to what it would have been otherwise.
 +        global __file__
 +        __file__ = os.path.join(os.curdir, os.path.basename(__file__))
 +        if '--egg-base' in sys.argv:
 +            # Change pip-egg-info entry to absolute path, so pip can find
 it
 +            # after changing directory.
 +            idx = sys.argv.index('--egg-base')
 +            sys.argv[idx + 1] = os.path.join(local_path, 'pip-egg-info')
 +
      old_path = os.getcwd()
      os.chdir(src_path)
      sys.path.insert(0, src_path)
 }}}
 Works for me with -e. Haven't tested without -e; is there a better way to
 do that than pushing to my github account and letting pip install from
 there with some magic incantation?

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1857#comment:18>
NumPy <http://projects.scipy.org/numpy>
My example project