diff options
author | tarek <none@none> | 2009-08-04 11:02:01 +0200 |
---|---|---|
committer | tarek <none@none> | 2009-08-04 11:02:01 +0200 |
commit | 9fe6021cb2c6da3d0af28da0311033ce008765ad (patch) | |
tree | 0e7e7f26880d30ee94626c460da5166cec03bf73 /bootstrap.py | |
parent | a227478f733dc6d7013c1985c36c83639f4392ce (diff) | |
download | external_python_setuptools-9fe6021cb2c6da3d0af28da0311033ce008765ad.tar.gz external_python_setuptools-9fe6021cb2c6da3d0af28da0311033ce008765ad.tar.bz2 external_python_setuptools-9fe6021cb2c6da3d0af28da0311033ce008765ad.zip |
renamed bootstrap.py to bootstraping.py so it differs from zc.buildout filename
--HG--
branch : distribute
extra : rebase_source : b784247763e9f8814d70ba9ffcf07ceab02a3ba4
Diffstat (limited to 'bootstrap.py')
-rw-r--r-- | bootstrap.py | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/bootstrap.py b/bootstrap.py deleted file mode 100644 index 27b49c78..00000000 --- a/bootstrap.py +++ /dev/null @@ -1,431 +0,0 @@ -#!python -"""Bootstrap distribute 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 -import os -import shutil -import time -import fnmatch -from distutils import log -from distutils.errors import DistutilsError - -is_jython = sys.platform.startswith('java') -if is_jython: - import subprocess - -try: - from hashlib import md5 -except ImportError: - from md5 import md5 - -DEFAULT_VERSION = "0.6" -#DEFAULT_URL = "http://pypi.python.org/packages/%s/d/distribute/" % sys.version[:3] -DEFAULT_URL = "http://nightly.ziade.org/" - -md5_data = { - 'distribute-0.6-py2.3.egg': '83789f9a3b2f32c7088065f6fd3de930', - 'distribute-0.6-py2.4.egg': '8d47e28f76d4b94de1568abed1ad585d', - 'distribute-0.6-py2.5.egg': 'f4295ea6b57b67c30fc223c5fef229d2', - 'distribute-0.6-py2.6.egg': 'c0d34cbce8cd509c33a788f4a5611466', -} - -def _validate_md5(egg_name, data): - if egg_name in md5_data: - 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. - """ - was_imported = 'pkg_resources' in sys.modules or 'setuptools' in sys.modules - def do_download(): - egg = download_setuptools(version, download_base, to_dir, download_delay) - sys.path.insert(0, egg) - import setuptools; setuptools.bootstrap_install_from = egg - try: - import pkg_resources - if not hasattr(pkg_resources, '_distribute'): - raise ImportError - except ImportError: - return do_download() - try: - pkg_resources.require("distribute>="+version); return - except pkg_resources.VersionConflict, e: - if was_imported: - print >>sys.stderr, ( - "The required version of distribute (>=%s) is not available, and\n" - "can't be installed while this script is running. Please install\n" - " a more recent version first, using 'easy_install -U distribute'." - "\n\n(Currently using %r)" - ) % (version, e.args[0]) - sys.exit(2) - else: - del pkg_resources, sys.modules['pkg_resources'] # reload ok - return do_download() - except pkg_resources.DistributionNotFound: - return do_download() - -def download_setuptools( - version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, - delay = 15 -): - """Download distribute from a specified location and return its filename - - `version` should be a valid distribute 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 = "distribute-%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 distribute 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. - -(Note: if this machine does not have network access, please obtain the file - - %s - -and place it in this directory before rerunning this script.) ----------------------------------------------------------------------------""", - version, download_base, delay, url - ); 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) - - -SETUPTOOLS_PKG_INFO = """\ -Metadata-Version: 1.0 -Name: setuptools -Version: 0.6c9 -Summary: xxxx -Home-page: xxx -Author: xxx -Author-email: xxx -License: xxx -Description: xxx -""" - -def _patch_file(path, content): - """Will backup the file then patch it""" - existing_content = open(path).read() - if existing_content == content: - # already patched - log.warn('Already patched.') - return False - log.warn('Patching...') - os.rename(path, path +'.OLD.%s' % time.time()) - f = open(path, 'w') - try: - f.write(content) - finally: - f.close() - return True - -def _same_content(path, content): - return open(path).read() == content - -def _rename_path(path): - new_name = path + '.OLD.%s' % time.time() - log.warn('Renaming %s into %s' % (path, new_name)) - os.rename(path, new_name) - return new_name - -def _remove_flat_installation(placeholder): - if not os.path.isdir(placeholder): - log.warn('Unkown installation at %s' % placeholder) - return False - found = False - for file in os.listdir(placeholder): - if fnmatch.fnmatch(file, 'setuptools*.egg-info'): - found = True - break - if not found: - log.warn('Could not locate setuptools*.egg-info') - else: - log.warn('Removing elements out of the way...') - pkg_info = os.path.join(placeholder, file) - if os.path.isdir(pkg_info): - patched = _patch_egg_dir(pkg_info) - else: - patched = _patch_file(pkg_info, SETUPTOOLS_PKG_INFO) - - if not patched: - log.warn('%s already patched.' % pkg_info) - return False - # now let's move the files out of the way - for element in ('setuptools', 'pkg_resources.py', 'site.py'): - element = os.path.join(placeholder, element) - if os.path.exists(element): - _rename_path(element) - else: - log.warn('Could not find the %s element of the ' - 'Setuptools distribution' % element) - return True - -def after_install(dist): - log.warn('After install bootstrap.') - placeholder = dist.get_command_obj('install').install_purelib - if not os.path.exists(placeholder): - log.warn('Could not find the install location') - return - pyver = '%s.%s' % (sys.version_info[0], sys.version_info[1]) - setuptools_file = 'setuptools-0.6c9-py%s.egg-info' % pyver - pkg_info = os.path.join(placeholder, setuptools_file) - if os.path.exists(pkg_info): - log.warn('%s already exists' % pkg_info) - return - log.warn('Creating %s' % pkg_info) - f = open(pkg_info, 'w') - try: - f.write(SETUPTOOLS_PKG_INFO) - finally: - f.close() - pth_file = os.path.join(placeholder, 'setuptools.pth') - log.warn('Creating %s' % pth_file) - f = open(pth_file, 'w') - try: - f.write(os.path.join(os.curdir, setuptools_file)) - finally: - f.close() - -def _patch_egg_dir(path): - # let's check if it's already patched - pkg_info = os.path.join(path, 'EGG-INFO', 'PKG-INFO') - if os.path.exists(pkg_info): - if _same_content(pkg_info, SETUPTOOLS_PKG_INFO): - log.warn('%s already patched.' % pkg_info) - return False - _rename_path(path) - os.mkdir(path) - os.mkdir(os.path.join(path, 'EGG-INFO')) - pkg_info = os.path.join(path, 'EGG-INFO', 'PKG-INFO') - f = open(pkg_info, 'w') - try: - f.write(SETUPTOOLS_PKG_INFO) - finally: - f.close() - return True - -def before_install(): - log.warn('Before install bootstrap.') - fake_setuptools() - -def fake_setuptools(): - log.warn('Scanning installed packages') - try: - import pkg_resources - except ImportError: - # we're cool - log.warn('Setuptools or Distribute does not seem to be installed.') - return - ws = pkg_resources.working_set - setuptools_dist = ws.find(pkg_resources.Requirement.parse('setuptools')) - if setuptools_dist is None: - log.warn('No setuptools distribution found') - return - # detecting if it was already faked - setuptools_location = setuptools_dist.location - log.warn('Setuptools installation detected at %s' % setuptools_location) - - # let's see if its an egg - if not setuptools_location.endswith('.egg'): - log.warn('Non-egg installation') - res = _remove_flat_installation(setuptools_location) - if not res: - return - else: - log.warn('Egg installation') - pkg_info = os.path.join(setuptools_location, 'EGG-INFO', 'PKG-INFO') - if (os.path.exists(pkg_info) and - _same_content(pkg_info, SETUPTOOLS_PKG_INFO)): - log.warn('Already patched.') - return - log.warn('Patching...') - # let's create a fake egg replacing setuptools one - res = _patch_egg_dir(setuptools_location) - if not res: - return - log.warn('Patched done.') - _relaunch() - -def _relaunch(): - log.warn('Relaunching...') - # we have to relaunch the process - args = [sys.executable] + sys.argv - if is_jython: - sys.exit(subprocess.call(args)) - else: - sys.exit(os.spawnv(os.P_WAIT, sys.executable, args)) - -def _easy_install(argv, egg=None): - from setuptools import setup - from setuptools.dist import Distribution - import distutils.core - if egg is not None: - setup_args = list(argv) + ['-v'] + [egg] - else: - setup_args = list(argv) - try: - return setup(script_args = ['-q','easy_install', - '-v'] + setup_args, - script_name = sys.argv[0] or 'easy_install', - distclass=Distribution) - except DistutilsError: - return sys.exit(2) - -def main(argv, version=DEFAULT_VERSION): - """Install or upgrade setuptools and EasyInstall""" - # let's deactivate any existing setuptools installation first - fake_setuptools() - try: - import setuptools - # we need to check if the installed setuptools - # is from Distribute or from setuptools - if not hasattr(setuptools, '_distribute'): - # now we are ready to install distribute - raise ImportError - except ImportError: - egg = None - try: - egg = download_setuptools(version, delay=0) - sys.path.insert(0, egg) - import setuptools - if not hasattr(setuptools, '_distribute'): - placeholder = os.path.split(os.path.dirname(setuptools.__file__))[0] - if not placeholder.endswith('.egg'): - res = _remove_flat_installation(placeholder) - if res: - _relaunch() - print >> sys.stderr, ( - "The patch didn't work, Setuptools is still active.\n" - "Possible reason: your have a system-wide setuptools installed " - "and you are in a virtualenv.\n" - "If you are inside a virtualenv, make sure you used the --no-site-packages option" - ) - sys.exit(2) - dist = _easy_install(argv, egg) - after_install(dist) - return - #from setuptools.command import easy_install - #try: - # return easy_install.main(list(argv)+['-v']+[egg]) - #except DistutilsError: - # return sys.exit(2) - finally: - if egg and os.path.exists(egg): - os.unlink(egg) - else: - 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) - - req = "distribute>="+version - import pkg_resources - try: - pkg_resources.require(req) - except pkg_resources.VersionConflict: - try: - _easy_install(argv, [download_setuptools(delay=0)]) - #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: - _easy_install(argv) - #from setuptools.command.easy_install import main - #main(argv) - else: - print "distribute version",version,"or greater has been installed." - print '(Run "ez_setup.py -U distribute" to reinstall or upgrade.)' - -def update_md5(filenames): - """Update our built-in md5 registry""" - - import re - - 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:]) - |