rpm/SOURCES/0001-use-parallel-installed-versions-in-RHEL6.patch

   1 From a62cd977bcf59cfd6b40cfc607364ab698443b85 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
   3 Date: Fri, 13 Apr 2012 17:24:40 +0100
   4 Subject: [PATCH] use parallel installed versions in RHEL6
   5
   6 of webob sqlalchemy python-routes and paste-deploy
   7
   8 Change-Id: I290f56eae61c87893639a9e5d29f7fff760452cf
   9 ---
  10  quantum/__init__.py |   30 ++++++++++++++++++++++++++++++
  11  1 files changed, 30 insertions(+), 0 deletions(-)
  12
  13 diff --git a/quantum/__init__.py b/quantum/__init__.py
  14 index 25ce3af..eb5a3fa 100644
  15 --- a/quantum/__init__.py
  16 +++ b/quantum/__init__.py
  17 @@ -15,6 +15,36 @@
  18  #    License for the specific language governing permissions and limitations
  19  #    under the License.
  20
  21 +import sys
  22 +import pkg_resources
  23 +
  24 +# If there is a conflicting non egg module,
  25 +# i.e. an older standard system module installed,
  26 +# then replace it with this requirement
  27 +def replace_dist(requirement):
  28 +    try:
  29 +        return pkg_resources.require(requirement)
  30 +    except pkg_resources.VersionConflict:
  31 +        e = sys.exc_info()[1]
  32 +        dist=e.args[0]
  33 +        req=e.args[1]
  34 +        if dist.key == req.key and not dist.location.endswith('.egg'):
  35 +            del pkg_resources.working_set.by_key[dist.key]
  36 +            # We assume there is no need to adjust sys.path
  37 +            # and the associated pkg_resources.working_set.entries
  38 +            return pkg_resources.require(requirement)
  39 +
  40 +replace_dist("WebOb >= 1.0")
  41 +replace_dist("SQLAlchemy >= 0.6.3")
  42 +replace_dist("Routes >= 1.12.3")
  43 +
  44 +replace_dist("PasteDeploy >= 1.5.0")
  45 +# This hack is needed because replace_dist() results in
  46 +# the standard paste module path being at the start of __path__.
  47 +# TODO: See can we get pkg_resources to do the right thing directly
  48 +import paste
  49 +paste.__path__.insert(0, paste.__path__.pop(-1))
  50 +
  51  import gettext
  52
  53