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| author | Joern Hees <dev@joernhees.de> | 2015-07-21 16:42:04 +0200 |
|---|---|---|
| committer | Joern Hees <dev@joernhees.de> | 2015-07-21 16:42:43 +0200 |
| commit | ec93eeddb10b960a943db4a7f2ab664a8f88e049 (patch) | |
| tree | a41a9b10d4af437e719bedcf1e830032533ee5ab | |
| parent | 4e257e45a5bc55e1d3c4be15ed6d448a5e68b04e (diff) | |
| download | rdflib-ec93eeddb10b960a943db4a7f2ab664a8f88e049.tar.gz | |
make Identifier.__hash__ stable wrt. multi processes, fixes #500
| -rw-r--r-- | rdflib/term.py | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/rdflib/term.py b/rdflib/term.py index 91cc06ea..561c3e60 100644 --- a/rdflib/term.py +++ b/rdflib/term.py @@ -183,7 +183,9 @@ class Identifier(Node, unicode): # allow Identifiers to be Nodes in the Graph return self == other def __hash__(self): - return hash(type(self)) ^ hash(unicode(self)) + t = type(self) + fqn = t.__module__ + '.' + t.__name__ + return hash(fqn) ^ hash(unicode(self)) class URIRef(Identifier): @@ -930,8 +932,12 @@ class Literal(Identifier): -- 6.5.1 Literal Equality (RDF: Concepts and Abstract Syntax) """ - - return unicode.__hash__(self) ^ hash(self.language.lower() if self.language else None) ^ hash(self.datatype) + res = super(Literal, self).__hash__() + if self.language: + res ^= hash(self.language.lower()) + if self.datatype: + res ^= hash(self.datatype) + return res @py3compat.format_doctest_out def __eq__(self, other): |