--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eggs/zc.recipe.egg-1.3.2-py2.6.egg/zc/recipe/egg/custom.py	Sat Jan 08 11:20:57 2011 +0530
@@ -0,0 +1,170 @@
+##############################################################################
+#
+# 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: custom.py 84019 2008-02-18 12:41:04Z zagy $
+"""
+
+import logging, os, re, zipfile
+import zc.buildout.easy_install
+
+logger = logging.getLogger(__name__)
+
+
+class Base:
+
+    def __init__(self, buildout, name, options):
+        self.name, self.options = name, options
+
+        options['_d'] = buildout['buildout']['develop-eggs-directory']
+
+        python = options.get('python', buildout['buildout']['python'])
+        options['executable'] = buildout[python]['executable']
+
+        self.build_ext = build_ext(buildout, options)
+
+    def update(self):
+        return self.install()
+
+
+class Custom(Base):
+
+    def __init__(self, buildout, name, options):
+        Base.__init__(self, buildout, name, options)
+
+        links = options.get('find-links',
+                            buildout['buildout'].get('find-links'))
+        if links:
+            links = links.split()
+            options['find-links'] = '\n'.join(links)
+        else:
+            links = ()
+        self.links = links
+
+        index = options.get('index', buildout['buildout'].get('index'))
+        if index is not None:
+            options['index'] = index
+        self.index = index
+
+        environment_section = options.get('environment')
+        if environment_section:
+            self.environment = buildout[environment_section]
+        else:
+            self.environment = {}
+        environment_data = self.environment.items()
+        environment_data.sort()
+        options['_environment-data'] = repr(environment_data)
+
+        options['_e'] = buildout['buildout']['eggs-directory']
+
+        assert options.get('unzip') in ('true', 'false', None)
+
+        if buildout['buildout'].get('offline') == 'true':
+            self.install = lambda: ()
+
+        self.newest = buildout['buildout'].get('newest') == 'true'
+
+    def install(self):
+        options = self.options
+        distribution = options.get('egg')
+        if distribution is None:
+            distribution = options.get('eggs')
+            if distribution is None:
+                distribution = self.name
+            else:
+                logger.warn("The eggs option is deprecated. Use egg instead")
+
+
+        distribution = options.get('egg', options.get('eggs', self.name)
+                                   ).strip()
+        self._set_environment()
+        try:
+            return zc.buildout.easy_install.build(
+                distribution, options['_d'], self.build_ext,
+                self.links, self.index, options['executable'], [options['_e']],
+                newest=self.newest,
+                )
+        finally:
+            self._restore_environment()
+
+
+    def _set_environment(self):
+        self._saved_environment = {}
+        for key, value in self.environment.items():
+            if key in os.environ:
+                self._saved_environment[key] = os.environ[key]
+            # Interpolate value with variables from environment. Maybe there
+            # should be a general way of doing this in buildout with something
+            # like ${environ:foo}:
+            os.environ[key] = value % os.environ
+
+    def _restore_environment(self):
+        for key in self.environment:
+            if key in self._saved_environment:
+                os.environ[key] = self._saved_environment[key]
+            else:
+                try:
+                    del os.environ[key]
+                except KeyError:
+                    pass
+
+
+class Develop(Base):
+
+    def __init__(self, buildout, name, options):
+        Base.__init__(self, buildout, name, options)
+        options['setup'] = os.path.join(buildout['buildout']['directory'],
+                                        options['setup'])
+
+    def install(self):
+        options = self.options
+        return zc.buildout.easy_install.develop(
+            options['setup'], options['_d'], self.build_ext,
+            options['executable'],
+            )
+
+
+def build_ext(buildout, options):
+    result = {}
+    for be_option in ('include-dirs', 'library-dirs', 'rpath'):
+        value = options.get(be_option)
+        if value is None:
+            continue
+        value = [
+            os.path.join(
+                buildout['buildout']['directory'],
+                v.strip()
+                )
+            for v in value.strip().split('\n')
+            if v.strip()
+        ]
+        result[be_option] = os.pathsep.join(value)
+        options[be_option] = os.pathsep.join(value)
+
+    swig = options.get('swig')
+    if swig:
+        options['swig'] = result['swig'] = os.path.join(
+            buildout['buildout']['directory'],
+            swig,
+            )
+
+    for be_option in ('define', 'undef', 'libraries', 'link-objects',
+                      'debug', 'force', 'compiler', 'swig-cpp', 'swig-opts',
+                      ):
+        value = options.get(be_option)
+        if value is None:
+            continue
+        result[be_option] = value
+
+    return result