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1 #!python
2
3 # This file was obtained from:
4 # http://peak.telecommunity.com/dist/ez_setup.py
5 # on 2011/1/21.
6
7 """Bootstrap setuptools installation
8
9 If you want to use setuptools in your package's setup.py, just include this
10 file in the same directory with it, and add this to the top of your setup.py::
11
12 from ez_setup import use_setuptools
13 use_setuptools()
14
15 If you want to require a specific version of setuptools, set a download
16 mirror, or use an alternate download directory, you can do so by supplying
17 the appropriate options to ``use_setuptools()``.
18
19 This file can also be run as a script to install or upgrade setuptools.
20 """
21 import sys
22 DEFAULT_VERSION = "0.6c11"
23 DEFAULT_URL = "http://pypi.python.org/packages/%s/s/setuptools/" % sys.version[:3]
24
25 md5_data = {
26 'setuptools-0.6b1-py2.3.egg': '8822caf901250d848b996b7f25c6e6ca',
27 'setuptools-0.6b1-py2.4.egg': 'b79a8a403e4502fbb85ee3f1941735cb',
28 'setuptools-0.6b2-py2.3.egg': '5657759d8a6d8fc44070a9d07272d99b',
29 'setuptools-0.6b2-py2.4.egg': '4996a8d169d2be661fa32a6e52e4f82a',
30 'setuptools-0.6b3-py2.3.egg': 'bb31c0fc7399a63579975cad9f5a0618',
31 'setuptools-0.6b3-py2.4.egg': '38a8c6b3d6ecd22247f179f7da669fac',
32 'setuptools-0.6b4-py2.3.egg': '62045a24ed4e1ebc77fe039aa4e6f7e5',
33 'setuptools-0.6b4-py2.4.egg': '4cb2a185d228dacffb2d17f103b3b1c4',
34 'setuptools-0.6c1-py2.3.egg': 'b3f2b5539d65cb7f74ad79127f1a908c',
35 'setuptools-0.6c1-py2.4.egg': 'b45adeda0667d2d2ffe14009364f2a4b',
36 'setuptools-0.6c10-py2.3.egg': 'ce1e2ab5d3a0256456d9fc13800a7090',
37 'setuptools-0.6c10-py2.4.egg': '57d6d9d6e9b80772c59a53a8433a5dd4',
38 'setuptools-0.6c10-py2.5.egg': 'de46ac8b1c97c895572e5e8596aeb8c7',
39 'setuptools-0.6c10-py2.6.egg': '58ea40aef06da02ce641495523a0b7f5',
40 'setuptools-0.6c11-py2.3.egg': '2baeac6e13d414a9d28e7ba5b5a596de',
41 'setuptools-0.6c11-py2.4.egg': 'bd639f9b0eac4c42497034dec2ec0c2b',
42 'setuptools-0.6c11-py2.5.egg': '64c94f3bf7a72a13ec83e0b24f2749b2',
43 'setuptools-0.6c11-py2.6.egg': 'bfa92100bd772d5a213eedd356d64086',
44 'setuptools-0.6c2-py2.3.egg': 'f0064bf6aa2b7d0f3ba0b43f20817c27',
45 'setuptools-0.6c2-py2.4.egg': '616192eec35f47e8ea16cd6a122b7277',
46 'setuptools-0.6c3-py2.3.egg': 'f181fa125dfe85a259c9cd6f1d7b78fa',
47 'setuptools-0.6c3-py2.4.egg': 'e0ed74682c998bfb73bf803a50e7b71e',
48 'setuptools-0.6c3-py2.5.egg': 'abef16fdd61955514841c7c6bd98965e',
49 'setuptools-0.6c4-py2.3.egg': 'b0b9131acab32022bfac7f44c5d7971f',
50 'setuptools-0.6c4-py2.4.egg': '2a1f9656d4fbf3c97bf946c0a124e6e2',
51 'setuptools-0.6c4-py2.5.egg': '8f5a052e32cdb9c72bcf4b5526f28afc',
52 'setuptools-0.6c5-py2.3.egg': 'ee9fd80965da04f2f3e6b3576e9d8167',
53 'setuptools-0.6c5-py2.4.egg': 'afe2adf1c01701ee841761f5bcd8aa64',
54 'setuptools-0.6c5-py2.5.egg': 'a8d3f61494ccaa8714dfed37bccd3d5d',
55 'setuptools-0.6c6-py2.3.egg': '35686b78116a668847237b69d549ec20',
56 'setuptools-0.6c6-py2.4.egg': '3c56af57be3225019260a644430065ab',
57 'setuptools-0.6c6-py2.5.egg': 'b2f8a7520709a5b34f80946de5f02f53',
58 'setuptools-0.6c7-py2.3.egg': '209fdf9adc3a615e5115b725658e13e2',
59 'setuptools-0.6c7-py2.4.egg': '5a8f954807d46a0fb67cf1f26c55a82e',
60 'setuptools-0.6c7-py2.5.egg': '45d2ad28f9750e7434111fde831e8372',
61 'setuptools-0.6c8-py2.3.egg': '50759d29b349db8cfd807ba8303f1902',
62 'setuptools-0.6c8-py2.4.egg': 'cba38d74f7d483c06e9daa6070cce6de',
63 'setuptools-0.6c8-py2.5.egg': '1721747ee329dc150590a58b3e1ac95b',
64 'setuptools-0.6c9-py2.3.egg': 'a83c4020414807b496e4cfbe08507c03',
65 'setuptools-0.6c9-py2.4.egg': '260a2be2e5388d66bdaee06abec6342a',
66 'setuptools-0.6c9-py2.5.egg': 'fe67c3e5a17b12c0e7c541b7ea43a8e6',
67 'setuptools-0.6c9-py2.6.egg': 'ca37b1ff16fa2ede6e19383e7b59245a',
68 }
69
70 import sys, os
71 try: from hashlib import md5
72 except ImportError: from md5 import md5
73
74 def _validate_md5(egg_name, data):
75 if egg_name in md5_data:
76 digest = md5(data).hexdigest()
77 if digest != md5_data[egg_name]:
78 print >>sys.stderr, (
79 "md5 validation of %s failed! (Possible download problem?)"
80 % egg_name
81 )
82 sys.exit(2)
83 return data
84
85 def use_setuptools(
86 version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
87 download_delay=15
88 ):
89 """Automatically find/download setuptools and make it available on sys.path
90
91 `version` should be a valid setuptools version number that is available
92 as an egg for download under the `download_base` URL (which should end with
93 a '/'). `to_dir` is the directory where setuptools will be downloaded, if
94 it is not already available. If `download_delay` is specified, it should
95 be the number of seconds that will be paused before initiating a download,
96 should one be required. If an older version of setuptools is installed,
97 this routine will print a message to ``sys.stderr`` and raise SystemExit in
98 an attempt to abort the calling script.
99 """
100 was_imported = 'pkg_resources' in sys.modules or 'setuptools' in sys.modules
101 def do_download():
102 egg = download_setuptools(version, download_base, to_dir, download_delay)
103 sys.path.insert(0, egg)
104 import setuptools; setuptools.bootstrap_install_from = egg
105 try:
106 import pkg_resources
107 except ImportError:
108 return do_download()
109 try:
110 pkg_resources.require("setuptools>="+version); return
111 except pkg_resources.VersionConflict, e:
112 if was_imported:
113 print >>sys.stderr, (
114 "The required version of setuptools (>=%s) is not available, and\n"
115 "can't be installed while this script is running. Please install\n"
116 " a more recent version first, using 'easy_install -U setuptools'."
117 "\n\n(Currently using %r)"
118 ) % (version, e.args[0])
119 sys.exit(2)
120 except pkg_resources.DistributionNotFound:
121 pass
122
123 del pkg_resources, sys.modules['pkg_resources'] # reload ok
124 return do_download()
125
126 def download_setuptools(
127 version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir,
128 delay = 15
129 ):
130 """Download setuptools from a specified location and return its filename
131
132 `version` should be a valid setuptools version number that is available
133 as an egg for download under the `download_base` URL (which should end
134 with a '/'). `to_dir` is the directory where the egg will be downloaded.
135 `delay` is the number of seconds to pause before an actual download attempt.
136 """
137 import urllib2, shutil
138 egg_name = "setuptools-%s-py%s.egg" % (version,sys.version[:3])
139 url = download_base + egg_name
140 saveto = os.path.join(to_dir, egg_name)
141 src = dst = None
142 if not os.path.exists(saveto): # Avoid repeated downloads
143 try:
144 from distutils import log
145 if delay:
146 log.warn("""
147 ---------------------------------------------------------------------------
148 This script requires setuptools version %s to run (even to display
149 help). I will attempt to download it for you (from
150 %s), but
151 you may need to enable firewall access for this script first.
152 I will start the download in %d seconds.
153
154 (Note: if this machine does not have network access, please obtain the file
155
156 %s
157
158 and place it in this directory before rerunning this script.)
159 ---------------------------------------------------------------------------""",
160 version, download_base, delay, url
161 ); from time import sleep; sleep(delay)
162 log.warn("Downloading %s", url)
163 src = urllib2.urlopen(url)
164 # Read/write all in one block, so we don't create a corrupt file
165 # if the download is interrupted.
166 data = _validate_md5(egg_name, src.read())
167 dst = open(saveto,"wb"); dst.write(data)
168 finally:
169 if src: src.close()
170 if dst: dst.close()
171 return os.path.realpath(saveto)
172
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207
208 def main(argv, version=DEFAULT_VERSION):
209 """Install or upgrade setuptools and EasyInstall"""
210 try:
211 import setuptools
212 except ImportError:
213 egg = None
214 try:
215 egg = download_setuptools(version, delay=0)
216 sys.path.insert(0,egg)
217 from setuptools.command.easy_install import main
218 return main(list(argv)+[egg]) # we're done here
219 finally:
220 if egg and os.path.exists(egg):
221 os.unlink(egg)
222 else:
223 if setuptools.__version__ == '0.0.1':
224 print >>sys.stderr, (
225 "You have an obsolete version of setuptools installed. Please\n"
226 "remove it from your system entirely before rerunning this script."
227 )
228 sys.exit(2)
229
230 req = "setuptools>="+version
231 import pkg_resources
232 try:
233 pkg_resources.require(req)
234 except pkg_resources.VersionConflict:
235 try:
236 from setuptools.command.easy_install import main
237 except ImportError:
238 from easy_install import main
239 main(list(argv)+[download_setuptools(delay=0)])
240 sys.exit(0) # try to force an exit
241 else:
242 if argv:
243 from setuptools.command.easy_install import main
244 main(argv)
245 else:
246 print "Setuptools version",version,"or greater has been installed."
247 print '(Run "ez_setup.py -U setuptools" to reinstall or upgrade.)'
248
249 def update_md5(filenames):
250 """Update our built-in md5 registry"""
251
252 import re
253
254 for name in filenames:
255 base = os.path.basename(name)
256 f = open(name,'rb')
257 md5_data[base] = md5(f.read()).hexdigest()
258 f.close()
259
260 data = [" %r: %r,\n" % it for it in md5_data.items()]
261 data.sort()
262 repl = "".join(data)
263
264 import inspect
265 srcfile = inspect.getsourcefile(sys.modules[__name__])
266 f = open(srcfile, 'rb'); src = f.read(); f.close()
267
268 match = re.search("\nmd5_data = {\n([^}]+)}", src)
269 if not match:
270 print >>sys.stderr, "Internal error!"
271 sys.exit(2)
272
273 src = src[:match.start(1)] + repl + src[match.end(1):]
274 f = open(srcfile,'w')
275 f.write(src)
276 f.close()
277
278
279 if __name__=='__main__':
280 if len(sys.argv)>2 and sys.argv[1]=='--md5update':
281 update_md5(sys.argv[2:])
282 else:
283 main(sys.argv[1:])
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