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| author | Natanael Arndt <arndtn@gmail.com> | 2021-03-09 19:34:48 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-09 19:34:48 +0100 |
| commit | 83a6fda9e207dc849ed42fecfcf28cbaaa0c2f2c (patch) | |
| tree | 44483cfe1ff00abe74e333aeb1692f74c5d2843f | |
| parent | 16b218ba20fca55ebd2d1e1ba923a0c3f50c6c36 (diff) | |
| parent | 53164b2168e950364ee704c1ace9bb6cfd7817f5 (diff) | |
| download | rdflib-83a6fda9e207dc849ed42fecfcf28cbaaa0c2f2c.tar.gz | |
Merge pull request #1271 from rchateauneu/memory_only
Speedup __add_triple_context.
| -rw-r--r-- | rdflib/plugins/stores/memory.py | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/rdflib/plugins/stores/memory.py b/rdflib/plugins/stores/memory.py index 8f783fc8..8bf40a21 100644 --- a/rdflib/plugins/stores/memory.py +++ b/rdflib/plugins/stores/memory.py @@ -444,20 +444,24 @@ class Memory(Store): subj, pred, obj = triple _ = self.__spo[subj][pred][obj] # we know the triple exists somewhere in the store - if triple not in self.__tripleContexts: + try: + triple_context = self.__tripleContexts[triple] + except KeyError: # triple exists with default ctx info # start with a copy of the default ctx info - self.__tripleContexts[triple] = self.__defaultContexts.copy() + triple_context = self.__tripleContexts[triple] = self.__defaultContexts.copy() + + triple_context[ctx] = quoted - self.__tripleContexts[triple][ctx] = quoted if not quoted: - self.__tripleContexts[triple][None] = quoted + triple_context[None] = quoted + except KeyError: # the triple didn't exist before in the store if quoted: # this context only - self.__tripleContexts[triple] = {ctx: quoted} + triple_context = self.__tripleContexts[triple] = {ctx: quoted} else: # default context as well - self.__tripleContexts[triple] = {ctx: quoted, None: quoted} + triple_context = self.__tripleContexts[triple] = {ctx: quoted, None: quoted} # if the triple is not quoted add it to the default context if not quoted: @@ -470,10 +474,9 @@ class Memory(Store): # if this is the first ever triple in the store, set default ctx info if self.__defaultContexts is None: - self.__defaultContexts = self.__tripleContexts[triple] - + self.__defaultContexts = triple_context # if the context info is the same as default, no need to store it - if self.__tripleContexts[triple] == self.__defaultContexts: + if triple_context == self.__defaultContexts: del self.__tripleContexts[triple] def __get_context_for_triple(self, triple, skipQuoted=False): |