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-rw-r--r--pym/portage/__init__.py11
1 files changed, 9 insertions, 2 deletions
diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py
index a42f99894..dfe7ddeb0 100644
--- a/pym/portage/__init__.py
+++ b/pym/portage/__init__.py
@@ -5720,8 +5720,15 @@ def dep_expand(mydep, mydb=None, use_cache=1, settings=None):
myindex = orig_dep.index(mydep)
prefix = orig_dep[:myindex]
postfix = orig_dep[myindex+len(mydep):]
- return portage.dep.Atom(prefix + cpv_expand(
- mydep, mydb=mydb, use_cache=use_cache, settings=settings) + postfix)
+ expanded = cpv_expand(mydep, mydb=mydb,
+ use_cache=use_cache, settings=settings)
+ try:
+ return portage.dep.Atom(prefix + expanded + postfix)
+ except portage.exception.InvalidAtom:
+ # Missing '=' prefix is allowed for backward compatibility.
+ if not isvalidatom("=" + prefix + expanded + postfix):
+ raise
+ return portage.dep.Atom("=" + prefix + expanded + postfix)
def dep_check(depstring, mydbapi, mysettings, use="yes", mode=None, myuse=None,
use_cache=1, use_binaries=0, myroot="/", trees=None):