Commit 1d8ffdd9 authored by Gary Poster's avatar Gary Poster

fixes for bootstrap and a system Python; changes based on learning what would...

fixes for bootstrap and a system Python; changes based on learning what would be necessary to be able to develop buildout with a system Python (zc.recipe.testing would also need to use sitepackage_safe_scripts)
parent 89cc72e5
......@@ -23,6 +23,35 @@ $Id$
import os, shutil, sys, tempfile, textwrap, urllib, urllib2
from optparse import OptionParser
if sys.platform == 'win32':
def quote(c):
if ' ' in c:
return '"%s"' % c # work around spawn lamosity on windows
else:
return c
else:
quote = str
# In order to be more robust in the face of system Pythons, we want to run
# with site-packages loaded. This is somewhat tricky, in particular because
# Python 2.6's distutils imports site, so starting with the -S flag is not
# sufficient.
if 'site' in sys.modules:
# We will restart with python -S.
args = sys.argv[:]
args[0:0] = [sys.executable, '-S']
args = map(quote, args)
os.execv(sys.executable, args)
clean_path = sys.path[:]
import site
sys.path[:] = clean_path
for k, v in sys.modules.items():
if (hasattr(v, '__path__') and
len(v.__path__)==1 and
not os.path.exists(os.path.join(v.__path__[0],'__init__.py'))):
# This is a namespace package. Remove it.
sys.modules.pop(k)
is_jython = sys.platform.startswith('java')
setuptools_source = 'http://peak.telecommunity.com/dist/ez_setup.py'
......@@ -128,16 +157,6 @@ except ImportError:
if path not in pkg_resources.working_set.entries:
pkg_resources.working_set.add_entry(path)
if sys.platform == 'win32':
def quote(c):
if ' ' in c:
return '"%s"' % c # work around spawn lamosity on windows
else:
return c
else:
def quote (c):
return c
cmd = [quote(sys.executable),
'-c',
quote('from setuptools.command.easy_install import main; main()'),
......
......@@ -3,7 +3,7 @@ develop = zc.recipe.egg_ z3c.recipe.scripts_ .
parts = test oltest py
[py]
recipe = zc.recipe.egg
recipe = z3c.recipe.scripts
eggs = zc.buildout
zope.testing
interpreter = py
......
......@@ -21,6 +21,35 @@ $Id$
import os, shutil, sys, subprocess, urllib2
if sys.platform == 'win32':
def quote(c):
if ' ' in c:
return '"%s"' % c # work around spawn lamosity on windows
else:
return c
else:
quote = str
# In order to be more robust in the face of system Pythons, we want to run
# with site-packages loaded. This is somewhat tricky, in particular because
# Python 2.6's distutils imports site, so starting with the -S flag is not
# sufficient.
if 'site' in sys.modules:
# We will restart with python -S.
args = sys.argv[:]
args[0:0] = [sys.executable, '-S']
args = map(quote, args)
os.execv(sys.executable, args)
clean_path = sys.path[:]
import site
sys.path[:] = clean_path
for k, v in sys.modules.items():
if (hasattr(v, '__path__') and
len(v.__path__)==1 and
not os.path.exists(os.path.join(v.__path__[0],'__init__.py'))):
# This is a namespace package. Remove it.
sys.modules.pop(k)
is_jython = sys.platform.startswith('java')
for d in 'eggs', 'develop-eggs', 'bin':
......@@ -49,14 +78,20 @@ env = os.environ.copy() # Windows needs yet-to-be-determined values from this.
env['PYTHONPATH'] = os.path.dirname(pkg_resources.__file__)
subprocess.Popen(
[sys.executable] +
['setup.py', '-q', 'develop', '-m', '-x', '-d', 'develop-eggs'],
['-S', 'setup.py', '-q', 'develop', '-m', '-x', '-d', 'develop-eggs'],
env=env).wait()
pkg_resources.working_set.add_entry('src')
import zc.buildout.easy_install
zc.buildout.easy_install.scripts(
['zc.buildout'], pkg_resources.working_set , sys.executable, 'bin')
if not os.path.exists('parts'):
os.mkdir('parts')
partsdir = os.path.join('parts', 'buildout')
if not os.path.exists(partsdir):
os.mkdir(partsdir)
zc.buildout.easy_install.sitepackage_safe_scripts(
'bin', pkg_resources.working_set, sys.executable, partsdir,
reqs=['zc.buildout'])
bin_buildout = os.path.join('bin', 'buildout')
......@@ -64,4 +99,5 @@ if is_jython:
# Jython needs the script to be called twice via sys.executable
assert subprocess.Popen([sys.executable] + [bin_buildout]).wait() == 0
sys.exit(subprocess.Popen(bin_buildout).wait())
......@@ -828,16 +828,19 @@ class Buildout(UserDict.DictMixin):
if not self.newest:
return
options = self['buildout']
ws = zc.buildout.easy_install.install(
[
(spec + ' ' + self['buildout'].get(spec+'-version', '')).strip()
(spec + ' ' + options.get(spec+'-version', '')).strip()
for spec in ('zc.buildout', 'setuptools')
],
self['buildout']['eggs-directory'],
links = self['buildout'].get('find-links', '').split(),
index = self['buildout'].get('index'),
path = [self['buildout']['develop-eggs-directory']],
allow_hosts = self._allow_hosts
options['eggs-directory'],
links = options.get('find-links', '').split(),
index = options.get('index'),
path = [options['develop-eggs-directory']],
allow_hosts = self._allow_hosts,
include_site_packages=False
)
upgraded = []
......@@ -853,7 +856,7 @@ class Buildout(UserDict.DictMixin):
__doing__ = 'Upgrading.'
should_run = realpath(
os.path.join(os.path.abspath(self['buildout']['bin-directory']),
os.path.join(os.path.abspath(options['bin-directory']),
'buildout')
)
if sys.platform == 'win32':
......@@ -885,21 +888,26 @@ class Buildout(UserDict.DictMixin):
# the new dist is different, so we've upgraded.
# Update the scripts and return True
zc.buildout.easy_install.scripts(
['zc.buildout'], ws, sys.executable,
self['buildout']['bin-directory'],
)
partsdir = os.path.join(options['parts-directory'], 'buildout')
if not os.path.exists(partsdir):
os.mkdir(partsdir)
zc.buildout.easy_install.sitepackage_safe_scripts(
options['bin-directory'], ws, sys.executable, partsdir,
reqs=['zc.buildout'])
# Restart
args = map(zc.buildout.easy_install._safe_arg, sys.argv)
if not __debug__:
args.insert(0, '-O')
args.insert(0, zc.buildout.easy_install._safe_arg (sys.executable))
args.insert(0, zc.buildout.easy_install._safe_arg(sys.executable))
env = os.environ.copy()
env['PYTHONPATH'] = partsdir
if is_jython:
sys.exit(subprocess.Popen([sys.executable] + list(args)).wait())
sys.exit(
subprocess.Popen(
[sys.executable] + list(args), env=env).wait())
else:
sys.exit(os.spawnv(os.P_WAIT, sys.executable, args))
sys.exit(os.spawnve(os.P_WAIT, sys.executable, args, env))
def _load_extensions(self):
__doing__ = 'Loading extensions.'
......@@ -920,7 +928,8 @@ class Buildout(UserDict.DictMixin):
working_set=pkg_resources.working_set,
links = self['buildout'].get('find-links', '').split(),
index = self['buildout'].get('index'),
newest=self.newest, allow_hosts=self._allow_hosts)
newest=self.newest, allow_hosts=self._allow_hosts,
include_site_packages=False)
# Clear cache because extensions might now let us read pages we
# couldn't read before.
......
......@@ -1486,8 +1486,10 @@ def _get_module_file(executable, name):
"fp, path, desc = imp.find_module(%r); "
"fp.close; "
"print path" % (name,)]
env = os.environ.copy()
env.pop('PYTHONPATH', None)
_proc = subprocess.Popen(
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
stdout, stderr = _proc.communicate();
if _proc.returncode:
logger.info(
......@@ -1583,7 +1585,9 @@ def _generate_site(dest, working_set, executable, extra_paths=(),
site.close()
real_site.close()
if not successful_rewrite:
raise RuntimeError('Buildout did not successfully rewrite site.py')
raise RuntimeError(
'Buildout did not successfully rewrite %s to %s' %
(real_site_path, site_path))
return site_path
namespace_include_site_packages_setup = '''
......
......@@ -78,22 +78,26 @@ new versions found in new releases:
zc.buildout 99.99
setuptools 99.99
Our buildout script has been updated to use the new eggs:
Our buildout script's site.py has been updated to use the new eggs:
>>> cat(sample_buildout, 'bin', 'buildout')
... # doctest: +NORMALIZE_WHITESPACE
#!/usr/local/bin/python2.4
>>> cat(sample_buildout, 'parts', 'buildout', 'site.py')
... # doctest: +NORMALIZE_WHITESPACE +ELLIPSIS
"...
def addsitepackages(known_paths):
"""Add site packages, as determined by zc.buildout.
<BLANKLINE>
import sys
sys.path[0:0] = [
'/sample-buildout/eggs/zc.buildout-99.99-py2.4.egg',
'/sample-buildout/eggs/setuptools-99.99-py2.4.egg',
See original_addsitepackages, below, for the original version."""
buildout_paths = [
'/sample-buildout/eggs/zc.buildout-99.99-pyN.N.egg',
'/sample-buildout/eggs/setuptools-99.99-pyN.N.egg'
]
<BLANKLINE>
import zc.buildout.buildout
<BLANKLINE>
if __name__ == '__main__':
zc.buildout.buildout.main()
for path in buildout_paths:
sitedir, sitedircase = makepath(path)
if not sitedircase in known_paths and os.path.exists(sitedir):
sys.path.append(sitedir)
known_paths.add(sitedircase)
return known_paths
...
Now, let's recreate the sample buildout. If we specify constraints on
the versions of zc.buildout and setuptools to use, running the
......@@ -120,7 +124,6 @@ Now we can see that we actually "upgrade" to an earlier version.
zc.buildout version 1.0.0,
setuptools version 0.6;
restarting.
Generated script '/sample-buildout/bin/buildout'.
Develop: '/sample-buildout/showversions'
Updating show-versions.
zc.buildout 1.0.0
......
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