diff options
Diffstat (limited to 'morphlib/blobs.py')
| -rw-r--r-- | morphlib/blobs.py | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/morphlib/blobs.py b/morphlib/blobs.py index 11f3e937..4c1190fb 100644 --- a/morphlib/blobs.py +++ b/morphlib/blobs.py @@ -35,10 +35,12 @@ class Blob(object): self.dependents = [] def add_parent(self, parent): - self.parents.append(parent) + if not parent in self.parents: + self.parents.append(parent) def remove_parent(self, parent): - self.parents.remove(parent) + if parent in self.parents: + self.parents.remove(parent) def add_dependency(self, other): self.dependencies.append(other) @@ -58,6 +60,12 @@ class Blob(object): else: return { self.morph.name: ['.'] } + def __eq__(self, other): + return self.morph == other.morph + + def __hash__(self): + return hash(self.morph) + def __str__(self): # pragma: no cover return str(self.morph) |