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Use latest version of bootstrap script

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1 parent 382ca70 commit 5012a7071b48f045efd9d6699ec229faba9b84c9 @Fantomas42 committed Dec 15, 2014
Showing with 50 additions and 31 deletions.
  1. +50 −31 bootstrap.py
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@@ -35,7 +35,7 @@
Simply run this script in a directory containing a buildout.cfg, using the
Python that you want bin/buildout to use.
-Note that by using --find-links to point to local resources, you can keep
+Note that by using --find-links to point to local resources, you can keep
this script from going over the network.
'''
@@ -56,39 +56,54 @@
"file to be used."))
parser.add_option("-f", "--find-links",
help=("Specify a URL to search for buildout releases"))
+parser.add_option("--allow-site-packages",
+ action="store_true", default=False,
+ help=("Let bootstrap.py use existing site packages"))
+parser.add_option("--setuptools-version",
+ help="use a specific setuptools version")
options, args = parser.parse_args()
######################################################################
# load/install setuptools
-to_reload = False
try:
- import pkg_resources
- import setuptools
+ if options.allow_site_packages:
+ import setuptools
+ import pkg_resources
+ from urllib.request import urlopen
except ImportError:
- ez = {}
-
- try:
- from urllib.request import urlopen
- except ImportError:
- from urllib2 import urlopen
-
- # XXX use a more permanent ez_setup.py URL when available.
- exec(urlopen('https://bitbucket.org/pypa/setuptools/raw/0.7.2/ez_setup.py'
- ).read(), ez)
- setup_args = dict(to_dir=tmpeggs, download_delay=0)
- ez['use_setuptools'](**setup_args)
-
- if to_reload:
- reload(pkg_resources)
- import pkg_resources
- # This does not (always?) update the default working set. We will
- # do it.
- for path in sys.path:
- if path not in pkg_resources.working_set.entries:
- pkg_resources.working_set.add_entry(path)
+ from urllib2 import urlopen
+
+ez = {}
+exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez)
+
+if not options.allow_site_packages:
+ # ez_setup imports site, which adds site packages
+ # this will remove them from the path to ensure that incompatible versions
+ # of setuptools are not in the path
+ import site
+ # inside a virtualenv, there is no 'getsitepackages'.
+ # We can't remove these reliably
+ if hasattr(site, 'getsitepackages'):
+ for sitepackage_path in site.getsitepackages():
+ sys.path[:] = [x for x in sys.path if sitepackage_path not in x]
+
+setup_args = dict(to_dir=tmpeggs, download_delay=0)
+
+if options.setuptools_version is not None:
+ setup_args['version'] = options.setuptools_version
+
+ez['use_setuptools'](**setup_args)
+import setuptools
+import pkg_resources
+
+# This does not (always?) update the default working set. We will
+# do it.
+for path in sys.path:
+ if path not in pkg_resources.working_set.entries:
+ pkg_resources.working_set.add_entry(path)
######################################################################
# Install buildout
@@ -119,10 +134,15 @@
_final_parts = '*final-', '*final'
def _final_version(parsed_version):
- for part in parsed_version:
- if (part[:1] == '*') and (part not in _final_parts):
- return False
- return True
+ try:
+ return not parsed_version.is_prerelease
+ except AttributeError:
+ # Older setuptools
+ for part in parsed_version:
+ if (part[:1] == '*') and (part not in _final_parts):
+ return False
+ return True
+
index = setuptools.package_index.PackageIndex(
search_path=[setuptools_path])
if find_links:
@@ -149,8 +169,7 @@ def _final_version(parsed_version):
import subprocess
if subprocess.call(cmd, env=dict(os.environ, PYTHONPATH=setuptools_path)) != 0:
raise Exception(
- "Failed to execute command:\n%s",
- repr(cmd)[1:-1])
+ "Failed to execute command:\n%s" % repr(cmd)[1:-1])
######################################################################
# Import and run buildout

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