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- ##############################################################################
- #
- # Zope Public License (ZPL) Version 1.0
- # -------------------------------------
- #
- # Copyright (c) Digital Creations. All rights reserved.
- #
- # This license has been certified as Open Source(tm).
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions are
- # met:
- #
- # 1. Redistributions in source code must retain the above copyright
- # notice, this list of conditions, and the following disclaimer.
- #
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions, and the following disclaimer in
- # the documentation and/or other materials provided with the
- # distribution.
- #
- # 3. Digital Creations requests that attribution be given to Zope
- # in any manner possible. Zope includes a "Powered by Zope"
- # button that is installed by default. While it is not a license
- # violation to remove this button, it is requested that the
- # attribution remain. A significant investment has been put
- # into Zope, and this effort will continue if the Zope community
- # continues to grow. This is one way to assure that growth.
- #
- # 4. All advertising materials and documentation mentioning
- # features derived from or use of this software must display
- # the following acknowledgement:
- #
- # "This product includes software developed by Digital Creations
- # for use in the Z Object Publishing Environment
- # (http://www.zope.org/)."
- #
- # In the event that the product being advertised includes an
- # intact Zope distribution (with copyright and license included)
- # then this clause is waived.
- #
- # 5. Names associated with Zope or Digital Creations must not be used to
- # endorse or promote products derived from this software without
- # prior written permission from Digital Creations.
- #
- # 6. Modified redistributions of any form whatsoever must retain
- # the following acknowledgment:
- #
- # "This product includes software developed by Digital Creations
- # for use in the Z Object Publishing Environment
- # (http://www.zope.org/)."
- #
- # Intact (re-)distributions of any official Zope release do not
- # require an external acknowledgement.
- #
- # 7. Modifications are encouraged but must be packaged separately as
- # patches to official Zope releases. Distributions that do not
- # clearly separate the patches from the original work must be clearly
- # labeled as unofficial distributions. Modifications which do not
- # carry the name Zope may be packaged in any form, as long as they
- # conform to all of the clauses above.
- #
- #
- # Disclaimer
- #
- # THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
- # EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
- # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- #
- # This software consists of contributions made by Digital Creations and
- # many individuals on behalf of Digital Creations. Specific
- # attributions are listed in the accompanying credits file.
- #
- ##############################################################################
-
- """Commonly used utility functions."""
-
- __version__='$Revision: 1.3.36.1 $'[11:-2]
-
- import os, sys, Products, string
- from Common import package_home
- path_join = os.path.join
- path_split = os.path.split
-
- try: home=os.environ['SOFTWARE_HOME']
- except:
- home=package_home(Products.__dict__)
- if not os.path.isabs(home):
- home=path_join(os.getcwd(), home)
-
- home,e=path_split(home)
- if path_split(home)[1]=='.': home=path_split(home)[0]
- if path_split(home)[1]=='..':
- home=path_split(path_split(home)[0])[0]
-
- sys.modules['__builtin__'].SOFTWARE_HOME=SOFTWARE_HOME=home
-
- try: chome=os.environ['INSTANCE_HOME']
- except:
- chome=home
- d,e=path_split(chome)
- if e=='python':
- d,e=path_split(d)
- if e=='lib': chome=d or os.getcwd()
-
- sys.modules['__builtin__'].INSTANCE_HOME=INSTANCE_HOME=chome
-
- # If there is a Products package in INSTANCE_HOME, add it to the
- # Products package path
- ip=path_join(INSTANCE_HOME, 'Products')
- ippart = 0
- ppath = Products.__path__
- if os.path.isdir(ip) and ip not in ppath:
- disallow=string.lower(os.environ.get('DISALLOW_LOCAL_PRODUCTS',''))
- if disallow in ('no', 'off', '0', ''):
- ppath.insert(0, ip)
- ippart = 1
-
- ppathpat = os.environ.get('PRODUCTS_PATH', None)
- if ppathpat is not None:
- psep = os.pathsep
- if string.find(ppathpat, '%(') >= 0:
- newppath = string.split(ppathpat % {
- 'PRODUCTS_PATH': string.join(ppath, psep),
- 'SOFTWARE_PRODUCTS': string.join(ppath[ippart:], psep),
- 'INSTANCE_PRODUCTS': ip,
- }, psep)
- else:
- newppath = string.split(ppathpat, psep)
- del ppath[:]
- for p in filter(None, newppath):
- p = os.path.abspath(p)
- if os.path.isdir(p) and p not in ppath:
- ppath.append(p)
-