details: http://www.bx.psu.edu/hg/galaxy/rev/2fa5488a9b3e changeset: 3537:2fa5488a9b3e user: Nate Coraor <nate(a)bx.psu.edu&gt; date: Tue Mar 16 14:07:42 2010 -0400 description: Monkeypatch pkg_resources to put eggs at the beginning of the path instead of the end diffstat: lib/galaxy/__init__.py | 31 +++++++++++++++++++++++++++++++ 1 files changed, 31 insertions(+), 0 deletions(-) diffs (38 lines): diff -r d776beca95f8 -r 2fa5488a9b3e lib/galaxy/__init__.py --- a/lib/galaxy/__init__.py Tue Mar 16 12:00:10 2010 -0400 +++ b/lib/galaxy/__init__.py Tue Mar 16 14:07:42 2010 -0400 @@ -61,3 +61,34 @@ except: pkg_resources._compatible_platforms = pkg_resources.compatible_platforms pkg_resources.compatible_platforms = _compatible_platforms + +# patch to insert eggs at the beginning of sys.path instead of at the end +def _insert_on(self, path, loc = None): + """Insert self.location in path before its nearest parent directory""" + + loc = loc or self.location + if not loc: + return + + nloc = pkg_resources._normalize_cached(loc) + npath= [(p and pkg_resources._normalize_cached(p) or p) for p in path] + + if path is sys.path: + self.check_version_conflict() + path.insert(0, loc) + + # remove dups + while 1: + try: + np = npath.index(nloc, 1) + except ValueError: + break + else: + del npath[np], path[np] + + return +try: + assert pkg_resources.Distribution._insert_on +except: + pkg_resources.Distribution._insert_on = pkg_resources.Distribution.insert_on + pkg_resources.Distribution.insert_on = _insert_on