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gawel committed Dec 26, 2011
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262 changes: 262 additions & 0 deletions bootstrap.py
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##############################################################################
#
# Copyright (c) 2006 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Bootstrap a buildout-based project
Simply run this script in a directory containing a buildout.cfg.
The script accepts buildout command-line options, so you can
use the -c option to specify an alternate configuration file.
"""

import os, shutil, sys, tempfile, urllib, urllib2, subprocess
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

# See zc.buildout.easy_install._has_broken_dash_S for motivation and comments.
stdout, stderr = subprocess.Popen(
[sys.executable, '-Sc',
'try:\n'
' import ConfigParser\n'
'except ImportError:\n'
' print 1\n'
'else:\n'
' print 0\n'],
stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
has_broken_dash_S = bool(int(stdout.strip()))

# In order to be more robust in the face of system Pythons, we want to
# run without 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. However, we'll start with that:
if not has_broken_dash_S and '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)
# Now we are running with -S. We'll get the clean sys.path, import site
# because distutils will do it later, and then reset the path and clean
# out any namespace packages from site-packages that might have been
# loaded by .pth files.
clean_path = sys.path[:]
import site # imported because of its side effects
sys.path[:] = clean_path
for k, v in sys.modules.items():
if k in ('setuptools', 'pkg_resources') or (
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'
distribute_source = 'http://python-distribute.org/distribute_setup.py'


# parsing arguments
def normalize_to_url(option, opt_str, value, parser):
if value:
if '://' not in value: # It doesn't smell like a URL.
value = 'file://%s' % (
urllib.pathname2url(
os.path.abspath(os.path.expanduser(value))),)
if opt_str == '--download-base' and not value.endswith('/'):
# Download base needs a trailing slash to make the world happy.
value += '/'
else:
value = None
name = opt_str[2:].replace('-', '_')
setattr(parser.values, name, value)

usage = '''\
[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
Bootstraps a buildout-based project.
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 --setup-source and --download-base to point to
local resources, you can keep this script from going over the network.
'''

parser = OptionParser(usage=usage)
parser.add_option("-v", "--version", dest="version",
help="use a specific zc.buildout version")
parser.add_option("-d", "--distribute",
action="store_true", dest="use_distribute", default=False,
help="Use Distribute rather than Setuptools.")
parser.add_option("--setup-source", action="callback", dest="setup_source",
callback=normalize_to_url, nargs=1, type="string",
help=("Specify a URL or file location for the setup file. "
"If you use Setuptools, this will default to " +
setuptools_source + "; if you use Distribute, this "
"will default to " + distribute_source + "."))
parser.add_option("--download-base", action="callback", dest="download_base",
callback=normalize_to_url, nargs=1, type="string",
help=("Specify a URL or directory for downloading "
"zc.buildout and either Setuptools or Distribute. "
"Defaults to PyPI."))
parser.add_option("--eggs",
help=("Specify a directory for storing eggs. Defaults to "
"a temporary directory that is deleted when the "
"bootstrap script completes."))
parser.add_option("-t", "--accept-buildout-test-releases",
dest='accept_buildout_test_releases',
action="store_true", default=False,
help=("Normally, if you do not specify a --version, the "
"bootstrap script and buildout gets the newest "
"*final* versions of zc.buildout and its recipes and "
"extensions for you. If you use this flag, "
"bootstrap and buildout will get the newest releases "
"even if they are alphas or betas."))
parser.add_option("-c", None, action="store", dest="config_file",
help=("Specify the path to the buildout configuration "
"file to be used."))

options, args = parser.parse_args()

# if -c was provided, we push it back into args for buildout's main function
if options.config_file is not None:
args += ['-c', options.config_file]

if options.eggs:
eggs_dir = os.path.abspath(os.path.expanduser(options.eggs))
else:
eggs_dir = tempfile.mkdtemp()

if options.setup_source is None:
if options.use_distribute:
options.setup_source = distribute_source
else:
options.setup_source = setuptools_source

if options.accept_buildout_test_releases:
args.append('buildout:accept-buildout-test-releases=true')
args.append('bootstrap')

try:
import pkg_resources
import setuptools # A flag. Sometimes pkg_resources is installed alone.
if not hasattr(pkg_resources, '_distribute'):
raise ImportError
except ImportError:
ez_code = urllib2.urlopen(
options.setup_source).read().replace('\r\n', '\n')
ez = {}
exec ez_code in ez
setup_args = dict(to_dir=eggs_dir, download_delay=0)
if options.download_base:
setup_args['download_base'] = options.download_base
if options.use_distribute:
setup_args['no_fake'] = True
ez['use_setuptools'](**setup_args)
if 'pkg_resources' in sys.modules:
reload(sys.modules['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)

cmd = [quote(sys.executable),
'-c',
quote('from setuptools.command.easy_install import main; main()'),
'-mqNxd',
quote(eggs_dir)]

if not has_broken_dash_S:
cmd.insert(1, '-S')

find_links = options.download_base
if not find_links:
find_links = os.environ.get('bootstrap-testing-find-links')
if find_links:
cmd.extend(['-f', quote(find_links)])

if options.use_distribute:
setup_requirement = 'distribute'
else:
setup_requirement = 'setuptools'
ws = pkg_resources.working_set
setup_requirement_path = ws.find(
pkg_resources.Requirement.parse(setup_requirement)).location
env = dict(
os.environ,
PYTHONPATH=setup_requirement_path)

requirement = 'zc.buildout'
version = options.version
if version is None and not options.accept_buildout_test_releases:
# Figure out the most recent final version of zc.buildout.
import setuptools.package_index
_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
index = setuptools.package_index.PackageIndex(
search_path=[setup_requirement_path])
if find_links:
index.add_find_links((find_links,))
req = pkg_resources.Requirement.parse(requirement)
if index.obtain(req) is not None:
best = []
bestv = None
for dist in index[req.project_name]:
distv = dist.parsed_version
if _final_version(distv):
if bestv is None or distv > bestv:
best = [dist]
bestv = distv
elif distv == bestv:
best.append(dist)
if best:
best.sort()
version = best[-1].version
if version:
requirement = '=='.join((requirement, version))
cmd.append(requirement)

if is_jython:
import subprocess
exitcode = subprocess.Popen(cmd, env=env).wait()
else: # Windows prefers this, apparently; otherwise we would prefer subprocess
exitcode = os.spawnle(*([os.P_WAIT, sys.executable] + cmd + [env]))
if exitcode != 0:
sys.stdout.flush()
sys.stderr.flush()
print ("An error occurred when trying to install zc.buildout. "
"Look above this message for any errors that "
"were output by easy_install.")
sys.exit(exitcode)

ws.add_entry(eggs_dir)
ws.require(requirement)
import zc.buildout.buildout
zc.buildout.buildout.main(args)
if not options.eggs: # clean up temporary egg directory
shutil.rmtree(eggs_dir)
15 changes: 15 additions & 0 deletions buildout.cfg
@@ -0,0 +1,15 @@
[buildout]
newest = false
prefer-final = true
parts = eggs
develop = .

[eggs]
recipe = z3c.recipe.scripts
eggs =
pyramid_fanstatic
js.jquery
coverage
webtest
nose

60 changes: 60 additions & 0 deletions pyramid_fanstatic/__init__.py
@@ -0,0 +1,60 @@
# -*- coding: utf-8 -*-
from fanstatic.config import convert_config
from fanstatic.publisher import Publisher
import fanstatic
import logging

log = logging.getLogger(__name__)


def fanstatic_config(config, prefix='fanstatic.'):
cfg = {'publisher_signature': 'fanstatic'}
for k, v in config.items():
if k.startswith(prefix):
cfg[k[len(prefix):]] = v
return convert_config(cfg)


class Tween(object):
def __init__(self, handler, config):
self.config = fanstatic_config(config)
self.handler = handler
self.publisher = Publisher(fanstatic.get_library_registry())
self.publisher_signature = self.config.get('publisher_signature')
self.trigger = '/%s/' % self.publisher_signature

def __call__(self, request):

# publisher
if len(request.path_info.split(self.trigger)) > 1:
ignored = request.path_info_pop()
while ignored != self.publisher_signature:
ignored = request.path_info_pop()
return request.get_response(self.publisher)

# injector
needed = fanstatic.init_needed(**self.config)
request.environ[fanstatic.NEEDED] = needed

response = self.handler(request)

if not (response.content_type and
response.content_type.lower() in ['text/html',
'text/xml']):
fanstatic.del_needed()
return response

if needed.has_resources():
result = needed.render_topbottom_into_html(response.body)
response.body = ''
response.write(result)
fanstatic.del_needed()
return response


def tween_factory(handler, registry):
return Tween(handler, registry.settings.copy())


def includeme(config):
config.add_tween('pyramid_fanstatic.tween_factory')
44 changes: 44 additions & 0 deletions pyramid_fanstatic/tests.py
@@ -0,0 +1,44 @@
# -*- coding: utf-8 -*-

import unittest

from pyramid import testing
from webtest import TestApp
from js.jquery import jquery


def home(request):
resp = request.response
resp.content_type = 'text/html'
resp.body = '''\
<html>
<head>
</head>
<body>
</body>
</html>
'''
jquery.need()
return resp


class TestTween(unittest.TestCase):

def setUp(self):
self.config = testing.setUp()
self.config.include("pyramid_fanstatic")
self.config.add_route('home', '/')
self.config.add_view(route_name='home', view=home)
self.app = TestApp(self.config.make_wsgi_app())

def test_injector(self):
resp = self.app.get('/')
resp.mustcontain(('<script type="text/javascript" '
'src="/fanstatic/jquery/jquery.js"></script>'))

def test_publisher(self):
resp = self.app.get('/fanstatic/jquery/jquery.js')
resp.mustcontain('window.jQuery = window.$ = jQuery;')

def tearDown(self):
testing.tearDown()
10 changes: 10 additions & 0 deletions setup.cfg
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[nosetests]
match = ^test
nocapture = 1
cover-package = pyramid_fanstatic
with-coverage = 1
with-doctest=true
cover-erase = 1

[aliases]
release = sdist --formats=zip,gztar register upload

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