diff options
Diffstat (limited to 'pym/portage/dbapi/vartree.py')
| -rw-r--r-- | pym/portage/dbapi/vartree.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py index aae16e43f..cb9c57216 100644 --- a/pym/portage/dbapi/vartree.py +++ b/pym/portage/dbapi/vartree.py @@ -48,6 +48,7 @@ from portage import _unicode_encode from portage.cache.mappings import slot_dict_class import codecs +from collections import deque import re, shutil, stat, errno, copy, subprocess import logging import os as _os @@ -902,12 +903,17 @@ class vardbapi(dbapi): base_names = self._vardb._aux_cache["owners"]["base_names"] dblink_cache = {} + dblink_fifo = deque() def dblink(cpv): x = dblink_cache.get(cpv) if x is None: + if len(dblink_fifo) >= 25: + # Ensure that we don't run out of memory. + del dblink_cache[dblink_fifo.popleft().mycpv] x = self._vardb._dblink(cpv) dblink_cache[cpv] = x + dblink_fifo.append(x) return x for path in path_iter: |