Upgraded ez_setup.py from 0.5a12 to 0.6a5

git-svn-id: http://code.djangoproject.com/svn/django/trunk@873 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-10-14 22:38:59 +00:00
parent f575a4edaa
commit 67e6252a1e
1 changed files with 213 additions and 164 deletions

View File

@ -13,45 +13,54 @@ 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]
DEFAULT_VERSION = "0.5a12"
DEFAULT_URL = "http://www.python.org/packages/source/s/setuptools/"
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
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 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.
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
@ -61,9 +70,8 @@ def use_setuptools(
"remove it from your system entirely before rerunning this script."
)
sys.exit(2)
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)
import setuptools; setuptools.bootstrap_install_from = egg
@ -81,46 +89,46 @@ def use_setuptools(
sys.exit(2)
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
`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 + '.zip' # XXX
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 = src.read()
dst = open(saveto,"wb")
dst.write(data)
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"""
@ -130,7 +138,7 @@ def main(argv, version=DEFAULT_VERSION):
import tempfile, shutil
tmpdir = tempfile.mkdtemp(prefix="easy_install-")
try:
egg = download_setuptools(version, to_dir=tmpdir)
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])
@ -150,7 +158,7 @@ def main(argv, version=DEFAULT_VERSION):
from setuptools.command.easy_install import main
except ImportError:
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
else:
if argv:
@ -159,6 +167,47 @@ def main(argv, version=DEFAULT_VERSION):
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:])