[Subversion] / ez_setup / __init__.py  

Diff of /ez_setup/__init__.py

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version 2080, Sat Jul 16 16:19:10 2005 UTC version 2307, Thu May 31 17:33:09 2007 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 = "0.5a13"  DEFAULT_VERSION = "0.6c6"
 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-0.6b1-py2.3.egg': '8822caf901250d848b996b7f25c6e6ca',
       'setuptools-0.6b1-py2.4.egg': 'b79a8a403e4502fbb85ee3f1941735cb',
       'setuptools-0.6b2-py2.3.egg': '5657759d8a6d8fc44070a9d07272d99b',
       'setuptools-0.6b2-py2.4.egg': '4996a8d169d2be661fa32a6e52e4f82a',
       'setuptools-0.6b3-py2.3.egg': 'bb31c0fc7399a63579975cad9f5a0618',
       'setuptools-0.6b3-py2.4.egg': '38a8c6b3d6ecd22247f179f7da669fac',
       'setuptools-0.6b4-py2.3.egg': '62045a24ed4e1ebc77fe039aa4e6f7e5',
       'setuptools-0.6b4-py2.4.egg': '4cb2a185d228dacffb2d17f103b3b1c4',
       'setuptools-0.6c1-py2.3.egg': 'b3f2b5539d65cb7f74ad79127f1a908c',
       'setuptools-0.6c1-py2.4.egg': 'b45adeda0667d2d2ffe14009364f2a4b',
       'setuptools-0.6c2-py2.3.egg': 'f0064bf6aa2b7d0f3ba0b43f20817c27',
       'setuptools-0.6c2-py2.4.egg': '616192eec35f47e8ea16cd6a122b7277',
       'setuptools-0.6c3-py2.3.egg': 'f181fa125dfe85a259c9cd6f1d7b78fa',
       'setuptools-0.6c3-py2.4.egg': 'e0ed74682c998bfb73bf803a50e7b71e',
       'setuptools-0.6c3-py2.5.egg': 'abef16fdd61955514841c7c6bd98965e',
       'setuptools-0.6c4-py2.3.egg': 'b0b9131acab32022bfac7f44c5d7971f',
       'setuptools-0.6c4-py2.4.egg': '2a1f9656d4fbf3c97bf946c0a124e6e2',
       'setuptools-0.6c4-py2.5.egg': '8f5a052e32cdb9c72bcf4b5526f28afc',
       'setuptools-0.6c5-py2.3.egg': 'ee9fd80965da04f2f3e6b3576e9d8167',
       'setuptools-0.6c5-py2.4.egg': 'afe2adf1c01701ee841761f5bcd8aa64',
       'setuptools-0.6c5-py2.5.egg': 'a8d3f61494ccaa8714dfed37bccd3d5d',
       'setuptools-0.6c6-py2.3.egg': '35686b78116a668847237b69d549ec20',
       'setuptools-0.6c6-py2.4.egg': '3c56af57be3225019260a644430065ab',
       'setuptools-0.6c6-py2.5.egg': 'b2f8a7520709a5b34f80946de5f02f53',
   }
   
 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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     try:      try:
         pkg_resources.require("setuptools>="+version)          pkg_resources.require("setuptools>="+version)
   
     except pkg_resources.VersionConflict:      except pkg_resources.VersionConflict, e:
         # XXX could we install in a subprocess here?          # XXX could we install in a subprocess here?
         print >>sys.stderr, (          print >>sys.stderr, (
             "The required version of setuptools (>=%s) is not available, and\n"              "The required version of setuptools (>=%s) is not available, and\n"
             "can't be installed while this script is running. Please install\n"              "can't be installed while this script is running. Please install\n"
             " a more recent version first."              " a more recent version first.\n\n(Currently using %r)"
         ) % version          ) % (version, e.args[0])
         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.
   
   (Note: if this machine does not have network access, please obtain the file
   
      %s
   
   and place it in this directory before rerunning this script.)
   ---------------------------------------------------------------------------""",
                       version, download_base, delay, url
                   ); 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"""
   
     try:      try:
         import setuptools          import setuptools
     except ImportError:      except ImportError:
         import tempfile, shutil          egg = None
         tmpdir = tempfile.mkdtemp(prefix="easy_install-")  
         try:          try:
             egg = download_setuptools(version, to_dir=tmpdir)              egg = download_setuptools(version, 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])              return main(list(argv)+[egg])   # we're done here
         finally:          finally:
             shutil.rmtree(tmpdir)              if egg and os.path.exists(egg):
                   os.unlink(egg)
     else:      else:
         if setuptools.__version__ == '0.0.1':          if setuptools.__version__ == '0.0.1':
             # tell the user to uninstall obsolete version              # tell the user to uninstall obsolete version
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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:
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         else:          else:
             print "Setuptools version",version,"or greater has been installed."              print "Setuptools version",version,"or greater has been installed."
             print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'              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:])
   
   
   
   
   


Generate output suitable for use with a patch program
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  Added in v.2307

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