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""" Lazy import cache
This is a pure Python file with no dependencies so it can be used in setup.py. """
import os
from ..env import SAGE_SRC, DOT_SAGE
def get_cache_file(): """ Returns a per-branch file for caching names of lazily imported modules.
EXAMPLES::
sage: from sage.misc.lazy_import_cache import get_cache_file sage: get_cache_file() '...-lazy_import_cache.pickle' sage: get_cache_file().startswith(DOT_SAGE) True sage: 'cache' in get_cache_file() True
It shouldn't matter whether DOT_SAGE ends with a slash::
sage: OLD = DOT_SAGE sage: sage.misc.lazy_import_cache.DOT_SAGE = '/tmp' sage: get_cache_file().startswith('/tmp/') True sage: sage.misc.lazy_import_cache.DOT_SAGE = OLD """ "%s-lazy_import_cache.pickle" % mangled) |