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Commitb273837

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gh-107122: Add clear method to dbm.gdbm.module (gh-107127)
1 parente59da0c commitb273837

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5 files changed

+77
-1
lines changed

5 files changed

+77
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lines changed

‎Doc/library/dbm.rst

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@@ -245,6 +245,13 @@ supported.
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Close the ``gdbm`` database.
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..method::gdbm.clear()
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Remove all items from the ``gdbm`` database.
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..versionadded::3.13
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:mod:`dbm.ndbm` --- Interface based on ndbm
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-------------------------------------------
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‎Lib/test/test_dbm_gnu.py

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@@ -192,6 +192,20 @@ def test_open_with_bytes_path(self):
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deftest_open_with_pathlib_bytes_path(self):
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gdbm.open(FakePath(os.fsencode(filename)),"c").close()
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deftest_clear(self):
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kvs= [('foo','bar'), ('1234','5678')]
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withgdbm.open(filename,'c')asdb:
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fork,vinkvs:
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db[k]=v
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self.assertIn(k,db)
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self.assertEqual(len(db),len(kvs))
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db.clear()
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fork,vinkvs:
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self.assertNotIn(k,db)
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self.assertEqual(len(db),0)
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if__name__=='__main__':
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unittest.main()
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@@ -0,0 +1 @@
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Add:meth:`dbm.gdbm.clear` to:mod:`dbm.gdbm`. Patch By Dong-hee Na.

‎Modules/_gdbmmodule.c

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Original file line numberDiff line numberDiff line change
@@ -561,6 +561,37 @@ _gdbm_gdbm_sync_impl(gdbmobject *self, PyTypeObject *cls)
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Py_RETURN_NONE;
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}
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/*[clinic input]
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_gdbm.gdbm.clear
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cls: defining_class
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/
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Remove all items from the database.
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[clinic start generated code]*/
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staticPyObject*
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_gdbm_gdbm_clear_impl(gdbmobject*self,PyTypeObject*cls)
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/*[clinic end generated code: output=673577c573318661 input=34136d52fcdd4210]*/
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{
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_gdbm_state*state=PyType_GetModuleState(cls);
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assert(state!=NULL);
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check_gdbmobject_open(self,state->gdbm_error);
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datumkey;
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// Invalidate cache
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self->di_size=-1;
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while (1) {
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key=gdbm_firstkey(self->di_dbm);
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if (key.dptr==NULL) {
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break;
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}
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if (gdbm_delete(self->di_dbm,key)<0) {
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PyErr_SetString(state->gdbm_error,"cannot delete item from database");
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returnNULL;
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}
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}
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Py_RETURN_NONE;
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}
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staticPyObject*
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gdbm__enter__(PyObject*self,PyObject*args)
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{
@@ -582,6 +613,7 @@ static PyMethodDef gdbm_methods[] = {
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_GDBM_GDBM_SYNC_METHODDEF
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_GDBM_GDBM_GET_METHODDEF
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_GDBM_GDBM_SETDEFAULT_METHODDEF
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_GDBM_GDBM_CLEAR_METHODDEF
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{"__enter__",gdbm__enter__,METH_NOARGS,NULL},
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{"__exit__",gdbm__exit__,METH_VARARGS,NULL},
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{NULL,NULL}/* sentinel */

‎Modules/clinic/_gdbmmodule.c.h

Lines changed: 23 additions & 1 deletion
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