| 1 | #!python |
| 2 | """Bootstrap setuptools installation |
| 3 | |
| 4 | If you want to use setuptools in your package's setup.py, just include this |
| 5 | file in the same directory with it, and add this to the top of your setup.py:: |
| 6 | |
| 7 | from ez_setup import use_setuptools |
| 8 | use_setuptools() |
| 9 | |
| 10 | If you want to require a specific version of setuptools, set a download |
| 11 | mirror, or use an alternate download directory, you can do so by supplying |
| 12 | the appropriate options to ``use_setuptools()``. |
| 13 | |
| 14 | This file can also be run as a script to install or upgrade setuptools. |
| 15 | """ |
| 16 | import sys |
| 17 | DEFAULT_VERSION = "0.6c7" |
| 18 | DEFAULT_URL = "http://pypi.python.org/packages/%s/s/setuptools/" % sys.version[:3] |
| 19 | |
| 20 | md5_data = { |
| 21 | 'setuptools-0.6b1-py2.3.egg': '8822caf901250d848b996b7f25c6e6ca', |
| 22 | 'setuptools-0.6b1-py2.4.egg': 'b79a8a403e4502fbb85ee3f1941735cb', |
| 23 | 'setuptools-0.6b2-py2.3.egg': '5657759d8a6d8fc44070a9d07272d99b', |
| 24 | 'setuptools-0.6b2-py2.4.egg': '4996a8d169d2be661fa32a6e52e4f82a', |
| 25 | 'setuptools-0.6b3-py2.3.egg': 'bb31c0fc7399a63579975cad9f5a0618', |
| 26 | 'setuptools-0.6b3-py2.4.egg': '38a8c6b3d6ecd22247f179f7da669fac', |
| 27 | 'setuptools-0.6b4-py2.3.egg': '62045a24ed4e1ebc77fe039aa4e6f7e5', |
| 28 | 'setuptools-0.6b4-py2.4.egg': '4cb2a185d228dacffb2d17f103b3b1c4', |
| 29 | 'setuptools-0.6c1-py2.3.egg': 'b3f2b5539d65cb7f74ad79127f1a908c', |
| 30 | 'setuptools-0.6c1-py2.4.egg': 'b45adeda0667d2d2ffe14009364f2a4b', |
| 31 | 'setuptools-0.6c2-py2.3.egg': 'f0064bf6aa2b7d0f3ba0b43f20817c27', |
| 32 | 'setuptools-0.6c2-py2.4.egg': '616192eec35f47e8ea16cd6a122b7277', |
| 33 | 'setuptools-0.6c3-py2.3.egg': 'f181fa125dfe85a259c9cd6f1d7b78fa', |
| 34 | 'setuptools-0.6c3-py2.4.egg': 'e0ed74682c998bfb73bf803a50e7b71e', |
| 35 | 'setuptools-0.6c3-py2.5.egg': 'abef16fdd61955514841c7c6bd98965e', |
| 36 | 'setuptools-0.6c4-py2.3.egg': 'b0b9131acab32022bfac7f44c5d7971f', |
| 37 | 'setuptools-0.6c4-py2.4.egg': '2a1f9656d4fbf3c97bf946c0a124e6e2', |
| 38 | 'setuptools-0.6c4-py2.5.egg': '8f5a052e32cdb9c72bcf4b5526f28afc', |
| 39 | 'setuptools-0.6c5-py2.3.egg': 'ee9fd80965da04f2f3e6b3576e9d8167', |
| 40 | 'setuptools-0.6c5-py2.4.egg': 'afe2adf1c01701ee841761f5bcd8aa64', |
| 41 | 'setuptools-0.6c5-py2.5.egg': 'a8d3f61494ccaa8714dfed37bccd3d5d', |
| 42 | 'setuptools-0.6c6-py2.3.egg': '35686b78116a668847237b69d549ec20', |
| 43 | 'setuptools-0.6c6-py2.4.egg': '3c56af57be3225019260a644430065ab', |
| 44 | 'setuptools-0.6c6-py2.5.egg': 'b2f8a7520709a5b34f80946de5f02f53', |
| 45 | 'setuptools-0.6c7-py2.3.egg': '209fdf9adc3a615e5115b725658e13e2', |
| 46 | 'setuptools-0.6c7-py2.4.egg': '5a8f954807d46a0fb67cf1f26c55a82e', |
| 47 | 'setuptools-0.6c7-py2.5.egg': '45d2ad28f9750e7434111fde831e8372', |
| 48 | 'setuptools-0.6c8-py2.3.egg': '50759d29b349db8cfd807ba8303f1902', |
| 49 | 'setuptools-0.6c8-py2.4.egg': 'cba38d74f7d483c06e9daa6070cce6de', |
| 50 | 'setuptools-0.6c8-py2.5.egg': '1721747ee329dc150590a58b3e1ac95b', |
| 51 | 'setuptools-0.6c9-py2.3.egg': 'a83c4020414807b496e4cfbe08507c03', |
| 52 | 'setuptools-0.6c9-py2.4.egg': '260a2be2e5388d66bdaee06abec6342a', |
| 53 | 'setuptools-0.6c9-py2.5.egg': 'fe67c3e5a17b12c0e7c541b7ea43a8e6', |
| 54 | 'setuptools-0.6c9-py2.6.egg': 'ca37b1ff16fa2ede6e19383e7b59245a', |
| 55 | } |
| 56 | |
| 57 | import sys, os |
| 58 | try: from hashlib import md5 |
| 59 | except ImportError: from md5 import md5 |
| 60 | |
| 61 | def _validate_md5(egg_name, data): |
| 62 | if egg_name in md5_data: |
| 63 | digest = md5(data).hexdigest() |
| 64 | if digest != md5_data[egg_name]: |
| 65 | print >>sys.stderr, ( |
| 66 | "md5 validation of %s failed! (Possible download problem?)" |
| 67 | % egg_name |
| 68 | ) |
| 69 | sys.exit(2) |
| 70 | return data |
| 71 | |
| 72 | def use_setuptools( |
| 73 | version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, |
| 74 | download_delay=15 |
| 75 | ): |
| 76 | """Automatically find/download setuptools and make it available on sys.path |
| 77 | |
| 78 | `version` should be a valid setuptools version number that is available |
| 79 | as an egg for download under the `download_base` URL (which should end with |
| 80 | a '/'). `to_dir` is the directory where setuptools will be downloaded, if |
| 81 | it is not already available. If `download_delay` is specified, it should |
| 82 | be the number of seconds that will be paused before initiating a download, |
| 83 | should one be required. If an older version of setuptools is installed, |
| 84 | this routine will print a message to ``sys.stderr`` and raise SystemExit in |
| 85 | an attempt to abort the calling script. |
| 86 | """ |
| 87 | was_imported = 'pkg_resources' in sys.modules or 'setuptools' in sys.modules |
| 88 | def do_download(): |
| 89 | egg = download_setuptools(version, download_base, to_dir, download_delay) |
| 90 | sys.path.insert(0, egg) |
| 91 | import setuptools; setuptools.bootstrap_install_from = egg |
| 92 | try: |
| 93 | import pkg_resources |
| 94 | except ImportError: |
| 95 | return do_download() |
| 96 | try: |
| 97 | pkg_resources.require("setuptools>="+version); return |
| 98 | except pkg_resources.VersionConflict, e: |
| 99 | if was_imported: |
| 100 | print >>sys.stderr, ( |
| 101 | "The required version of setuptools (>=%s) is not available, and\n" |
| 102 | "can't be installed while this script is running. Please install\n" |
| 103 | " a more recent version first, using 'easy_install -U setuptools'." |
| 104 | "\n\n(Currently using %r)" |
| 105 | ) % (version, e.args[0]) |
| 106 | sys.exit(2) |
| 107 | else: |
| 108 | del pkg_resources, sys.modules['pkg_resources'] # reload ok |
| 109 | return do_download() |
| 110 | except pkg_resources.DistributionNotFound: |
| 111 | return do_download() |
| 112 | |
| 113 | def download_setuptools( |
| 114 | version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, |
| 115 | delay = 15 |
| 116 | ): |
| 117 | """Download setuptools from a specified location and return its filename |
| 118 | |
| 119 | `version` should be a valid setuptools version number that is available |
| 120 | as an egg for download under the `download_base` URL (which should end |
| 121 | with a '/'). `to_dir` is the directory where the egg will be downloaded. |
| 122 | `delay` is the number of seconds to pause before an actual download attempt. |
| 123 | """ |
| 124 | import urllib2, shutil |
| 125 | egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3]) |
| 126 | url = download_base + egg_name |
| 127 | saveto = os.path.join(to_dir, egg_name) |
| 128 | src = dst = None |
| 129 | if not os.path.exists(saveto): # Avoid repeated downloads |
| 130 | try: |
| 131 | from distutils import log |
| 132 | if delay: |
| 133 | log.warn(""" |
| 134 | --------------------------------------------------------------------------- |
| 135 | This script requires setuptools version %s to run (even to display |
| 136 | help). I will attempt to download it for you (from |
| 137 | %s), but |
| 138 | you may need to enable firewall access for this script first. |
| 139 | I will start the download in %d seconds. |
| 140 | |
| 141 | (Note: if this machine does not have network access, please obtain the file |
| 142 | |
| 143 | %s |
| 144 | |
| 145 | and place it in this directory before rerunning this script.) |
| 146 | ---------------------------------------------------------------------------""", |
| 147 | version, download_base, delay, url |
| 148 | ); from time import sleep; sleep(delay) |
| 149 | log.warn("Downloading %s", url) |
| 150 | src = urllib2.urlopen(url) |
| 151 | # Read/write all in one block, so we don't create a corrupt file |
| 152 | # if the download is interrupted. |
| 153 | data = _validate_md5(egg_name, src.read()) |
| 154 | dst = open(saveto,"wb"); dst.write(data) |
| 155 | finally: |
| 156 | if src: src.close() |
| 157 | if dst: dst.close() |
| 158 | return os.path.realpath(saveto) |
| 159 | |
| 160 | |
| 161 | |
| 162 | |
| 163 | |
| 164 | |
| 165 | |
| 166 | |
| 167 | |
| 168 | |
| 169 | |
| 170 | |
| 171 | |
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| 175 | |
| 176 | |
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| 178 | |
| 179 | |
| 180 | |
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| 185 | |
| 186 | |
| 187 | |
| 188 | |
| 189 | |
| 190 | |
| 191 | |
| 192 | |
| 193 | |
| 194 | |
| 195 | def main(argv, version=DEFAULT_VERSION): |
| 196 | """Install or upgrade setuptools and EasyInstall""" |
| 197 | try: |
| 198 | import setuptools |
| 199 | except ImportError: |
| 200 | egg = None |
| 201 | try: |
| 202 | egg = download_setuptools(version, delay=0) |
| 203 | sys.path.insert(0,egg) |
| 204 | from setuptools.command.easy_install import main |
| 205 | return main(list(argv)+[egg]) # we're done here |
| 206 | finally: |
| 207 | if egg and os.path.exists(egg): |
| 208 | os.unlink(egg) |
| 209 | else: |
| 210 | if setuptools.__version__ == '0.0.1': |
| 211 | print >>sys.stderr, ( |
| 212 | "You have an obsolete version of setuptools installed. Please\n" |
| 213 | "remove it from your system entirely before rerunning this script." |
| 214 | ) |
| 215 | sys.exit(2) |
| 216 | |
| 217 | req = "setuptools>="+version |
| 218 | import pkg_resources |
| 219 | try: |
| 220 | pkg_resources.require(req) |
| 221 | except pkg_resources.VersionConflict: |
| 222 | try: |
| 223 | from setuptools.command.easy_install import main |
| 224 | except ImportError: |
| 225 | from easy_install import main |
| 226 | main(list(argv)+[download_setuptools(delay=0)]) |
| 227 | sys.exit(0) # try to force an exit |
| 228 | else: |
| 229 | if argv: |
| 230 | from setuptools.command.easy_install import main |
| 231 | main(argv) |
| 232 | else: |
| 233 | print "Setuptools version",version,"or greater has been installed." |
| 234 | print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)' |
| 235 | |
| 236 | def update_md5(filenames): |
| 237 | """Update our built-in md5 registry""" |
| 238 | |
| 239 | import re |
| 240 | |
| 241 | for name in filenames: |
| 242 | base = os.path.basename(name) |
| 243 | f = open(name,'rb') |
| 244 | md5_data[base] = md5(f.read()).hexdigest() |
| 245 | f.close() |
| 246 | |
| 247 | data = [" %r: %r,\n" % it for it in md5_data.items()] |
| 248 | data.sort() |
| 249 | repl = "".join(data) |
| 250 | |
| 251 | import inspect |
| 252 | srcfile = inspect.getsourcefile(sys.modules[__name__]) |
| 253 | f = open(srcfile, 'rb'); src = f.read(); f.close() |
| 254 | |
| 255 | match = re.search("\nmd5_data = {\n([^}]+)}", src) |
| 256 | if not match: |
| 257 | print >>sys.stderr, "Internal error!" |
| 258 | sys.exit(2) |
| 259 | |
| 260 | src = src[:match.start(1)] + repl + src[match.end(1):] |
| 261 | f = open(srcfile,'w') |
| 262 | f.write(src) |
| 263 | f.close() |
| 264 | |
| 265 | |
| 266 | if __name__=='__main__': |
| 267 | if len(sys.argv)>2 and sys.argv[1]=='--md5update': |
| 268 | update_md5(sys.argv[2:]) |
| 269 | else: |
| 270 | main(sys.argv[1:]) |
| 271 | |
| 272 | |
| 273 | |
| 274 | |
| 275 | |
| 276 | |