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clear_cache: number or blocks to keep

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This commit is contained in:
Alexander 2017-09-23 04:20:53 +03:00
parent 6a435793d8
commit 4b85230726
2 changed files with 8 additions and 5 deletions
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7
Tests/test_core_resources.py
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@ -129,14 +129,15 @@ class TestCoreMemory(PillowTestCase):
Image.core.set_block_size(4096) Image.core.set_block_size(4096)
Image.new('RGB', (256, 256)) Image.new('RGB', (256, 256))
Image.new('RGB', (256, 256)) Image.new('RGB', (256, 256))
Image.core.clear_cache() # Keep 16 blocks in cache
Image.core.clear_cache(16)
stats = Image.core.get_stats() stats = Image.core.get_stats()
self.assertGreaterEqual(stats['new_count'], 2) self.assertGreaterEqual(stats['new_count'], 2)
self.assertGreaterEqual(stats['allocated_blocks'], 64) self.assertGreaterEqual(stats['allocated_blocks'], 64)
self.assertGreaterEqual(stats['reused_blocks'], 64) self.assertGreaterEqual(stats['reused_blocks'], 64)
self.assertGreaterEqual(stats['freed_blocks'], 64) self.assertGreaterEqual(stats['freed_blocks'], 48)
self.assertEqual(stats['blocks_cached'], 0) self.assertEqual(stats['blocks_cached'], 16)
def test_large_images(self): def test_large_images(self):
Image.core.reset_stats() Image.core.reset_stats()

6
_imaging.c
View File

@ -3466,10 +3466,12 @@ _set_blocks_max(PyObject* self, PyObject* args)
static PyObject* static PyObject*
_clear_cache(PyObject* self, PyObject* args) _clear_cache(PyObject* self, PyObject* args)
{ {
if (!PyArg_ParseTuple(args, ":clear_cache")) int i = 0;
if (!PyArg_ParseTuple(args, "|i:clear_cache", &i))
return NULL; return NULL;
ImagingMemoryClearCache(&ImagingDefaultArena, 0); ImagingMemoryClearCache(&ImagingDefaultArena, i);
Py_INCREF(Py_None); Py_INCREF(Py_None);
return Py_None; return Py_None;