Fix parallel_emerge to handle "=" and "." in package names. Both can occur.

parallel_emerge

 #!/usr/bin/python2.6
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Program to run emerge in parallel, for significant speedup.
 
 Usage:
  ./parallel_emerge [--board=BOARD] [--workon=PKGS] [--no-workon-deps]
                    [emerge args] package"
@@ skipping 188 matching lines @@
     ('ebuild', '/', 'dev-lang/perl-5.8.8-r8', 'merge') (buildtime)
   ('binary', '/.../rootfs/', 'sys-auth/policykit-0.9-r1', 'merge') depends on
   ('binary', '/.../rootfs/', 'x11-misc/xbitmaps-1.1.0', 'merge') (no children)
   """
 
   re_deps = re.compile(r"(?P<indent>\W*)\(\'(?P<pkgtype>\w+)\', "
                        r"\'(?P<destination>[\w/\.-]+)\',"
                        r" \'(?P<pkgdir>[\w\+-]+)/(?P<pkgname>[\w\+-]+)-"
                        r"(?P<version>\d+[\w\.-]*)\', \'(?P<action>\w+)\'\) "
                        r"(?P<deptype>(depends on|\(.*\)))")
-  re_origdeps = re.compile(r"(?P<pkgname>[\w\+/-]+) depends on")
+  re_origdeps = re.compile(r"(?P<pkgname>[\w\+/=.<>~*-]+) depends on")
   re_installed_package = re.compile(
       r"\[(?P<desc>[^\]]*)\] "
       r"(?P<pkgdir>[\w\+-]+)/"
       r"(?P<pkgname>[\w\+-]+)-"
       r"(?P<version>\d+[\w\.-]*)( \["
       r"(?P<oldversion>\d+[\w\.-]*)\])?"
   )
   re_failed = re.compile(r".*\) depends on.*")
   deps_tree = {}
   deps_stack = []
@@ skipping 568 matching lines @@
 
 if VERBOSE:
   PrintDepsMap(dependency_graph)
 
 # Run the queued emerges.
 scheduler = EmergeQueue(dependency_graph)
 scheduler.Run()
 
 print "Done"