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##############################################################################
#
# Copyright (c) 2006 Zope Corporation 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.
#
##############################################################################
"""Install packages as eggs
$Id: egg.py 115900 2010-08-23 20:26:07Z gary $
"""
import UserDict, logging, os, re, zipfile
import zc.buildout
import zc.buildout.easy_install
class Eggs(object):
include_site_packages = allowed_eggs = None
def __init__(self, buildout, name, options):
self.buildout = buildout
self.name = self.default_eggs = name
if getattr(options, 'query_bool', None) is None:
# Someone is not passing us a zc.buildout.buildout.Options
# object. Maybe we should have a deprecation warning.
# Whatever.
options = _BackwardsSupportOption(options)
self.options = options
b_options = buildout['buildout']
links = options.get('find-links', b_options['find-links'])
if links:
links = links.split()
options['find-links'] = '\n'.join(links)
else:
links = ()
self.links = links
index = options.get('index', b_options.get('index'))
if index is not None:
options['index'] = index
self.index = index
allow_hosts = b_options['allow-hosts']
allow_hosts = tuple([host.strip() for host in allow_hosts.split('\n')
if host.strip()!=''])
self.allow_hosts = allow_hosts
options['eggs-directory'] = b_options['eggs-directory']
options['_e'] = options['eggs-directory'] # backward compat.
options['develop-eggs-directory'] = b_options['develop-eggs-directory']
options['_d'] = options['develop-eggs-directory'] # backward compat.
python = options.setdefault('python', b_options['python'])
options['executable'] = buildout[python]['executable']
def working_set(self, extra=()):
"""Separate method to just get the working set
This is intended for reuse by similar recipes.
"""
options = self.options
b_options = self.buildout['buildout']
distributions = [
r.strip()
for r in options.get('eggs', self.default_eggs).split('\n')
if r.strip()]
orig_distributions = distributions[:]
distributions.extend(extra)
if b_options.get('offline') == 'true':
ws = zc.buildout.easy_install.working_set(
distributions, options['executable'],
[options['develop-eggs-directory'],
options['eggs-directory']],
include_site_packages=self.include_site_packages,
allowed_eggs_from_site_packages=self.allowed_eggs,
)
else:
kw = {}
if 'unzip' in options:
kw['always_unzip'] = options.query_bool('unzip', None)
ws = zc.buildout.easy_install.install(
distributions, options['eggs-directory'],
links=self.links,
index=self.index,
executable=options['executable'],
path=[options['develop-eggs-directory']],
newest=b_options.get('newest') == 'true',
include_site_packages=self.include_site_packages,
allowed_eggs_from_site_packages=self.allowed_eggs,
allow_hosts=self.allow_hosts,
**kw)
return orig_distributions, ws
def install(self):
reqs, ws = self.working_set()
return ()
update = install
class ScriptBase(Eggs):
def __init__(self, buildout, name, options):
super(ScriptBase, self).__init__(buildout, name, options)
b_options = buildout['buildout']
options['bin-directory'] = b_options['bin-directory']
options['_b'] = options['bin-directory'] # backward compat.
self.extra_paths = [
os.path.join(b_options['directory'], p.strip())
for p in options.get('extra-paths', '').split('\n')
if p.strip()
]
if self.extra_paths:
options['extra-paths'] = '\n'.join(self.extra_paths)
relative_paths = options.get(
'relative-paths', b_options.get('relative-paths', 'false'))
if relative_paths == 'true':
options['buildout-directory'] = b_options['directory']
self._relative_paths = options['buildout-directory']
else:
self._relative_paths = ''
assert relative_paths == 'false'
parse_entry_point = re.compile(
'([^=]+)=(\w+(?:[.]\w+)*):(\w+(?:[.]\w+)*)$'
).match
def install(self):
reqs, ws = self.working_set()
options = self.options
scripts = options.get('scripts')
if scripts or scripts is None or options.get('interpreter'):
if scripts is not None:
scripts = scripts.split()
scripts = dict([
('=' in s) and s.split('=', 1) or (s, s)
for s in scripts
])
for s in options.get('entry-points', '').split():
parsed = self.parse_entry_point(s)
if not parsed:
logging.getLogger(self.name).error(
"Cannot parse the entry point %s.", s)
raise zc.buildout.UserError("Invalid entry point")
reqs.append(parsed.groups())
if options.query_bool('dependent-scripts', 'false'):
# Generate scripts for all packages in the working set,
# except setuptools.
reqs = list(reqs)
for dist in ws:
name = dist.project_name
if name != 'setuptools' and name not in reqs:
reqs.append(name)
return self._install(reqs, ws, scripts)
return ()
update = install
def _install(self, reqs, ws, scripts):
# Subclasses implement this.
raise NotImplementedError()
class Scripts(ScriptBase):
def _install(self, reqs, ws, scripts):
options = self.options
return zc.buildout.easy_install.scripts(
reqs, ws, options['executable'],
options['bin-directory'],
scripts=scripts,
extra_paths=self.extra_paths,
interpreter=options.get('interpreter'),
initialization=options.get('initialization', ''),
arguments=options.get('arguments', ''),
relative_paths=self._relative_paths
)
Egg = Scripts
class _BackwardsSupportOption(UserDict.UserDict):
def __init__(self, data):
self.data = data # We want to show mutations to the underlying dict.
def query_bool(self, name, default=None):
"""Given a name, return a boolean value for that name.
``default``, if given, should be 'true', 'false', or None.
"""
if default is not None:
value = self.setdefault(name, default)
else:
value = self.get(name)
if value is None:
return value
return _convert_bool(name, value)
def get_bool(self, name):
"""Given a name, return a boolean value for that name.
"""
return _convert_bool(name, self[name])
def _convert_bool(name, value):
if value not in ('true', 'false'):
raise zc.buildout.UserError(
'Invalid value for %s option: %s' % (name, value))
else:
return value == 'true'
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