[Subversion] / ez_setup / __init__.py  

Diff of /ez_setup/__init__.py

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version 2076, Mon Jul 11 04:24:01 2005 UTC version 2098, Sat Oct 22 19:40:22 2005 UTC
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 This file can also be run as a script to install or upgrade setuptools.  This file can also be run as a script to install or upgrade setuptools.
 """  """
   import sys
 DEFAULT_VERSION = "0.5a9"  DEFAULT_VERSION = "0.6a6"
 DEFAULT_URL     = "http://www.python.org/packages/source/s/setuptools/"  DEFAULT_URL     = "http://cheeseshop.python.org/packages/%s/s/setuptools/" % sys.version[:3]
   
   md5_data = {
       'setuptools-0.5a13-py2.3.egg': '85edcf0ef39bab66e130d3f38f578c86',
       'setuptools-0.5a13-py2.4.egg': 'ede4be600e3890e06d4ee5e0148e092a',
       'setuptools-0.6a1-py2.3.egg': 'ee819a13b924d9696b0d6ca6d1c5833d',
       'setuptools-0.6a1-py2.4.egg': '8256b5f1cd9e348ea6877b5ddd56257d',
       'setuptools-0.6a2-py2.3.egg': 'b98da449da411267c37a738f0ab625ba',
       'setuptools-0.6a2-py2.4.egg': 'be5b88bc30aed63fdefd2683be135c3b',
       'setuptools-0.6a3-py2.3.egg': 'ee0e325de78f23aab79d33106dc2a8c8',
       'setuptools-0.6a3-py2.4.egg': 'd95453d525a456d6c23e7a5eea89a063',
       'setuptools-0.6a4-py2.3.egg': 'e958cbed4623bbf47dd1f268b99d7784',
       'setuptools-0.6a4-py2.4.egg': '7f33c3ac2ef1296f0ab4fac1de4767d8',
       'setuptools-0.6a5-py2.3.egg': '748408389c49bcd2d84f6ae0b01695b1',
       'setuptools-0.6a5-py2.4.egg': '999bacde623f4284bfb3ea77941d2627',
       'setuptools-0.6a6-py2.3.egg': '7858139f06ed0600b0d9383f36aca24c',
       'setuptools-0.6a6-py2.4.egg': 'c10d20d29acebce0dc76219dc578d058',
   }
   
 import sys, os  import sys, os
   
   def _validate_md5(egg_name, data):
       if egg_name in md5_data:
           from md5 import md5
           digest = md5(data).hexdigest()
           if digest != md5_data[egg_name]:
               print >>sys.stderr, (
                   "md5 validation of %s failed!  (Possible download problem?)"
                   % egg_name
               )
               sys.exit(2)
       return data
   
   
   
   
   
   
   
   
   
 def use_setuptools(  def use_setuptools(
     version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir      version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
       download_delay=15
 ):  ):
     """Automatically find/download setuptools and make it available on sys.path      """Automatically find/download setuptools and make it available on sys.path
   
     `version` should be a valid setuptools version number that is available      `version` should be a valid setuptools version number that is available
     as an egg for download under the `download_base` URL (which should end with      as an egg for download under the `download_base` URL (which should end with
     a '/').  `to_dir` is the directory where setuptools will be downloaded, if      a '/').  `to_dir` is the directory where setuptools will be downloaded, if
     it is not already available.      it is not already available.  If `download_delay` is specified, it should
       be the number of seconds that will be paused before initiating a download,
     If an older version of setuptools is installed, this will print a message      should one be required.  If an older version of setuptools is installed,
     to ``sys.stderr`` and raise SystemExit in an attempt to abort the calling      this routine will print a message to ``sys.stderr`` and raise SystemExit in
     script.      an attempt to abort the calling script.
     """      """
     try:      try:
         import setuptools          import setuptools
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             "remove it from your system entirely before rerunning this script."              "remove it from your system entirely before rerunning this script."
             )              )
             sys.exit(2)              sys.exit(2)
   
     except ImportError:      except ImportError:
         egg = download_setuptools(version, download_base, to_dir)          egg = download_setuptools(version, download_base, to_dir, download_delay)
         sys.path.insert(0, egg)          sys.path.insert(0, egg)
         import setuptools; setuptools.bootstrap_install_from = egg          import setuptools; setuptools.bootstrap_install_from = egg
   
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         sys.exit(2)          sys.exit(2)
   
 def download_setuptools(  def download_setuptools(
     version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir      version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
       delay = 15
 ):  ):
     """Download setuptools from a specified location and return its filename      """Download setuptools from a specified location and return its filename
   
     `version` should be a valid setuptools version number that is available      `version` should be a valid setuptools version number that is available
     as an egg for download under the `download_base` URL (which should end      as an egg for download under the `download_base` URL (which should end
     with a '/'). `to_dir` is the directory where the egg will be downloaded.      with a '/'). `to_dir` is the directory where the egg will be downloaded.
       `delay` is the number of seconds to pause before an actual download attempt.
     """      """
     import urllib2, shutil      import urllib2, shutil
     egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])      egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])
     url = download_base + egg_name + '.zip'  # XXX      url = download_base + egg_name
     saveto = os.path.join(to_dir, egg_name)      saveto = os.path.join(to_dir, egg_name)
     src = dst = None      src = dst = None
   
     if not os.path.exists(saveto):  # Avoid repeated downloads      if not os.path.exists(saveto):  # Avoid repeated downloads
         try:          try:
             from distutils import log              from distutils import log
               if delay:
                   log.warn("""
   ---------------------------------------------------------------------------
   This script requires setuptools version %s to run (even to display
   help).  I will attempt to download it for you (from
   %s), but
   you may need to enable firewall access for this script first.
   I will start the download in %d seconds.
   ---------------------------------------------------------------------------""",
                       version, download_base, delay
                   ); from time import sleep; sleep(delay)
             log.warn("Downloading %s", url)              log.warn("Downloading %s", url)
             src = urllib2.urlopen(url)              src = urllib2.urlopen(url)
             # Read/write all in one block, so we don't create a corrupt file              # Read/write all in one block, so we don't create a corrupt file
             # if the download is interrupted.              # if the download is interrupted.
             data = src.read()              data = _validate_md5(egg_name, src.read())
             dst = open(saveto,"wb")              dst = open(saveto,"wb"); dst.write(data)
             dst.write(data)  
         finally:          finally:
             if src: src.close()              if src: src.close()
             if dst: dst.close()              if dst: dst.close()
   
     return os.path.realpath(saveto)      return os.path.realpath(saveto)
   
   
   
   
   
   
   
   
   
   
   
 def main(argv, version=DEFAULT_VERSION):  def main(argv, version=DEFAULT_VERSION):
     """Install or upgrade setuptools and EasyInstall"""      """Install or upgrade setuptools and EasyInstall"""
   
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         import tempfile, shutil          import tempfile, shutil
         tmpdir = tempfile.mkdtemp(prefix="easy_install-")          tmpdir = tempfile.mkdtemp(prefix="easy_install-")
         try:          try:
             egg = download_setuptools(version, to_dir=tmpdir)              egg = download_setuptools(version, to_dir=tmpdir, delay=0)
             sys.path.insert(0,egg)              sys.path.insert(0,egg)
             from setuptools.command.easy_install import main              from setuptools.command.easy_install import main
             main(list(argv)+[egg])              main(list(argv)+[egg])
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             from setuptools.command.easy_install import main              from setuptools.command.easy_install import main
         except ImportError:          except ImportError:
             from easy_install import main              from easy_install import main
         main(list(argv)+[download_setuptools()])          main(list(argv)+[download_setuptools(delay=0)])
         sys.exit(0) # try to force an exit          sys.exit(0) # try to force an exit
     else:      else:
         if argv:          if argv:
             from setuptools.command.easy_install import main              from setuptools.command.easy_install import main
             main(argv)              main(argv)
         else:          else:
             print "Setuptools successfully installed or upgraded."              print "Setuptools version",version,"or greater has been installed."
               print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'
   
   
   
   def update_md5(filenames):
       """Update our built-in md5 registry"""
   
       import re
       from md5 import md5
   
       for name in filenames:
           base = os.path.basename(name)
           f = open(name,'rb')
           md5_data[base] = md5(f.read()).hexdigest()
           f.close()
   
       data = ["    %r: %r,\n" % it for it in md5_data.items()]
       data.sort()
       repl = "".join(data)
   
       import inspect
       srcfile = inspect.getsourcefile(sys.modules[__name__])
       f = open(srcfile, 'rb'); src = f.read(); f.close()
   
       match = re.search("\nmd5_data = {\n([^}]+)}", src)
       if not match:
           print >>sys.stderr, "Internal error!"
           sys.exit(2)
   
       src = src[:match.start(1)] + repl + src[match.end(1):]
       f = open(srcfile,'w')
       f.write(src)
       f.close()
   
   
 if __name__=='__main__':  if __name__=='__main__':
       if len(sys.argv)>2 and sys.argv[1]=='--md5update':
           update_md5(sys.argv[2:])
       else:
     main(sys.argv[1:])      main(sys.argv[1:])
   
   
   
   
   


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