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Diffstat (limited to 'vendor/CherryPy-3.2.0/ez_setup.py')
-rw-r--r-- | vendor/CherryPy-3.2.0/ez_setup.py | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/CherryPy-3.2.0/ez_setup.py b/vendor/CherryPy-3.2.0/ez_setup.py new file mode 100644 index 0000000..28835dd --- /dev/null +++ b/vendor/CherryPy-3.2.0/ez_setup.py @@ -0,0 +1,134 @@ +#!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 = "0.5a13" +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': + sys.stderr.write( + "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? + sys.stderr.write( + "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. + """ + from urllib2 import urlopen + import 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 = 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:]) |