diff --git a/ez_setup.py b/ez_setup.py index 08ee09ce93..248f4078a4 100644 --- a/ez_setup.py +++ b/ez_setup.py @@ -1,164 +1,213 @@ -#!python -"""Bootstrap setuptools installation - -If you want to use setuptools in your package's setup.py, just include this -file in the same directory with it, and add this to the top of your setup.py:: - - from ez_setup import use_setuptools - use_setuptools() - -If you want to require a specific version of setuptools, set a download -mirror, or use an alternate download directory, you can do so by supplying -the appropriate options to ``use_setuptools()``. - -This file can also be run as a script to install or upgrade setuptools. -""" - -DEFAULT_VERSION = "0.5a12" -DEFAULT_URL = "http://www.python.org/packages/source/s/setuptools/" - -import sys, os - - - - - - - - - - - - - - - - - - - - - -def use_setuptools( - version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir -): - """Automatically find/download setuptools and make it available on sys.path - - `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 - a '/'). `to_dir` is the directory where setuptools will be downloaded, if - it is not already available. - - If an older version of setuptools is installed, this will print a message - to ``sys.stderr`` and raise SystemExit in an attempt to abort the calling - script. - """ - try: - import setuptools - if setuptools.__version__ == '0.0.1': - print >>sys.stderr, ( - "You have an obsolete version of setuptools installed. Please\n" - "remove it from your system entirely before rerunning this script." - ) - sys.exit(2) - - except ImportError: - egg = download_setuptools(version, download_base, to_dir) - sys.path.insert(0, egg) - import setuptools; setuptools.bootstrap_install_from = egg - - import pkg_resources - try: - pkg_resources.require("setuptools>="+version) - - except pkg_resources.VersionConflict: - # XXX could we install in a subprocess here? - print >>sys.stderr, ( - "The required version of setuptools (>=%s) is not available, and\n" - "can't be installed while this script is running. Please install\n" - " a more recent version first." - ) % version - sys.exit(2) - -def download_setuptools( - version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir -): - """Download setuptools from a specified location and return its filename - - `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 a '/'). `to_dir` is the directory where the egg will be downloaded. - """ - import urllib2, shutil - egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3]) - url = download_base + egg_name + '.zip' # XXX - saveto = os.path.join(to_dir, egg_name) - src = dst = None - - if not os.path.exists(saveto): # Avoid repeated downloads - try: - from distutils import log - log.warn("Downloading %s", url) - src = urllib2.urlopen(url) - # Read/write all in one block, so we don't create a corrupt file - # if the download is interrupted. - data = src.read() - dst = open(saveto,"wb") - dst.write(data) - finally: - if src: src.close() - if dst: dst.close() - - return os.path.realpath(saveto) - - - - - - - - - - - -def main(argv, version=DEFAULT_VERSION): - """Install or upgrade setuptools and EasyInstall""" - - try: - import setuptools - except ImportError: - import tempfile, shutil - tmpdir = tempfile.mkdtemp(prefix="easy_install-") - try: - egg = download_setuptools(version, to_dir=tmpdir) - sys.path.insert(0,egg) - from setuptools.command.easy_install import main - main(list(argv)+[egg]) - finally: - shutil.rmtree(tmpdir) - else: - if setuptools.__version__ == '0.0.1': - # tell the user to uninstall obsolete version - use_setuptools(version) - - req = "setuptools>="+version - import pkg_resources - try: - pkg_resources.require(req) - except pkg_resources.VersionConflict: - try: - from setuptools.command.easy_install import main - except ImportError: - from easy_install import main - main(list(argv)+[download_setuptools()]) - sys.exit(0) # try to force an exit - else: - if argv: - from setuptools.command.easy_install import main - main(argv) - else: - print "Setuptools version",version,"or greater has been installed." - print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)' -if __name__=='__main__': - main(sys.argv[1:]) - +#!python +"""Bootstrap setuptools installation + +If you want to use setuptools in your package's setup.py, just include this +file in the same directory with it, and add this to the top of your setup.py:: + + from ez_setup import use_setuptools + use_setuptools() + +If you want to require a specific version of setuptools, set a download +mirror, or use an alternate download directory, you can do so by supplying +the appropriate options to ``use_setuptools()``. + +This file can also be run as a script to install or upgrade setuptools. +""" +import sys +DEFAULT_VERSION = "0.6a5" +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', +} + +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( + 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 + + `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 + a '/'). `to_dir` is the directory where setuptools will be downloaded, if + 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, + should one be required. If an older version of setuptools is installed, + this routine will print a message to ``sys.stderr`` and raise SystemExit in + an attempt to abort the calling script. + """ + try: + import setuptools + if setuptools.__version__ == '0.0.1': + print >>sys.stderr, ( + "You have an obsolete version of setuptools installed. Please\n" + "remove it from your system entirely before rerunning this script." + ) + sys.exit(2) + except ImportError: + egg = download_setuptools(version, download_base, to_dir, download_delay) + sys.path.insert(0, egg) + import setuptools; setuptools.bootstrap_install_from = egg + + import pkg_resources + try: + pkg_resources.require("setuptools>="+version) + + except pkg_resources.VersionConflict: + # XXX could we install in a subprocess here? + print >>sys.stderr, ( + "The required version of setuptools (>=%s) is not available, and\n" + "can't be installed while this script is running. Please install\n" + " a more recent version first." + ) % version + sys.exit(2) + +def download_setuptools( + version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, + delay = 15 +): + """Download setuptools from a specified location and return its filename + + `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 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 + egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3]) + url = download_base + egg_name + saveto = os.path.join(to_dir, egg_name) + src = dst = None + if not os.path.exists(saveto): # Avoid repeated downloads + try: + 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) + src = urllib2.urlopen(url) + # Read/write all in one block, so we don't create a corrupt file + # if the download is interrupted. + data = _validate_md5(egg_name, src.read()) + dst = open(saveto,"wb"); dst.write(data) + finally: + if src: src.close() + if dst: dst.close() + return os.path.realpath(saveto) + +def main(argv, version=DEFAULT_VERSION): + """Install or upgrade setuptools and EasyInstall""" + + try: + import setuptools + except ImportError: + import tempfile, shutil + tmpdir = tempfile.mkdtemp(prefix="easy_install-") + try: + egg = download_setuptools(version, to_dir=tmpdir, delay=0) + sys.path.insert(0,egg) + from setuptools.command.easy_install import main + main(list(argv)+[egg]) + finally: + shutil.rmtree(tmpdir) + else: + if setuptools.__version__ == '0.0.1': + # tell the user to uninstall obsolete version + use_setuptools(version) + + req = "setuptools>="+version + import pkg_resources + try: + pkg_resources.require(req) + except pkg_resources.VersionConflict: + try: + from setuptools.command.easy_install import main + except ImportError: + from easy_install import main + main(list(argv)+[download_setuptools(delay=0)]) + sys.exit(0) # try to force an exit + else: + if argv: + from setuptools.command.easy_install import main + main(argv) + else: + 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 len(sys.argv)>2 and sys.argv[1]=='--md5update': + update_md5(sys.argv[2:]) + else: + main(sys.argv[1:]) + + + + +