lgtm i think :)
On Wed 16 Feb 2022 at 22:08 -0400, David Bremner wrote:
> This returns all of the config keys with non-empty values, not just
> those that happen to be stored in the database.
> ---
> bindings/python-cffi/notmuch2/_build.py | 16 ++++-----
> bindings/python-cffi/notmuch2/_config.py | 40 +++++++++++++++--------
> bindings/python-cffi/tests/test_config.py | 24 ++++++++------
> test/T055-path-config.sh | 1 -
> 4 files changed, 49 insertions(+), 32 deletions(-)
>
> diff --git a/bindings/python-cffi/notmuch2/_build.py b/bindings/python-cffi/notmuch2/_build.py
> index a55b484f..349bb79d 100644
> --- a/bindings/python-cffi/notmuch2/_build.py
> +++ b/bindings/python-cffi/notmuch2/_build.py
> @@ -97,7 +97,7 @@ ffibuilder.cdef(
> typedef struct _notmuch_string_map_iterator notmuch_message_properties_t;
> typedef struct _notmuch_directory notmuch_directory_t;
> typedef struct _notmuch_filenames notmuch_filenames_t;
> - typedef struct _notmuch_config_list notmuch_config_list_t;
> + typedef struct _notmuch_config_pairs notmuch_config_pairs_t;
> typedef struct _notmuch_indexopts notmuch_indexopts_t;
>
> const char *
> @@ -325,18 +325,18 @@ ffibuilder.cdef(
> notmuch_database_set_config (notmuch_database_t *db, const char *key, const char *value);
> notmuch_status_t
> notmuch_database_get_config (notmuch_database_t *db, const char *key, char **value);
> - notmuch_status_t
> - notmuch_database_get_config_list (notmuch_database_t *db, const char *prefix, notmuch_config_list_t **out);
> + notmuch_config_pairs_t *
> + notmuch_config_get_pairs (notmuch_database_t *db, const char *prefix);
> notmuch_bool_t
> - notmuch_config_list_valid (notmuch_config_list_t *config_list);
> + notmuch_config_pairs_valid (notmuch_config_pairs_t *config_list);
> const char *
> - notmuch_config_list_key (notmuch_config_list_t *config_list);
> + notmuch_config_pairs_key (notmuch_config_pairs_t *config_list);
> const char *
> - notmuch_config_list_value (notmuch_config_list_t *config_list);
> + notmuch_config_pairs_value (notmuch_config_pairs_t *config_list);
> void
> - notmuch_config_list_move_to_next (notmuch_config_list_t *config_list);
> + notmuch_config_pairs_move_to_next (notmuch_config_pairs_t *config_list);
> void
> - notmuch_config_list_destroy (notmuch_config_list_t *config_list);
> + notmuch_config_pairs_destroy (notmuch_config_pairs_t *config_list);
> """
> )
>
> diff --git a/bindings/python-cffi/notmuch2/_config.py b/bindings/python-cffi/notmuch2/_config.py
> index 29de6495..603fdcbf 100644
> --- a/bindings/python-cffi/notmuch2/_config.py
> +++ b/bindings/python-cffi/notmuch2/_config.py
> @@ -13,27 +13,42 @@ class ConfigIter(base.NotmuchIter):
> def __init__(self, parent, iter_p):
> super().__init__(
> parent, iter_p,
> - fn_destroy=capi.lib.notmuch_config_list_destroy,
> - fn_valid=capi.lib.notmuch_config_list_valid,
> - fn_get=capi.lib.notmuch_config_list_key,
> - fn_next=capi.lib.notmuch_config_list_move_to_next)
> + fn_destroy=capi.lib.notmuch_config_pairs_destroy,
> + fn_valid=capi.lib.notmuch_config_pairs_valid,
> + fn_get=capi.lib.notmuch_config_pairs_key,
> + fn_next=capi.lib.notmuch_config_pairs_move_to_next)
>
> def __next__(self):
> - item = super().__next__()
> - return base.BinString.from_cffi(item)
> -
> + # skip pairs whose value is NULL
> + while capi.lib.notmuch_config_pairs_valid(super()._iter_p):
> + val_p = capi.lib.notmuch_config_pairs_value(super()._iter_p)
> + key_p = capi.lib.notmuch_config_pairs_key(super()._iter_p)
> + if key_p == capi.ffi.NULL:
> + # this should never happen
> + raise errors.NullPointerError
> + key = base.BinString.from_cffi(key_p)
> + capi.lib.notmuch_config_pairs_move_to_next(super()._iter_p)
> + if val_p != capi.ffi.NULL and base.BinString.from_cffi(val_p) != "":
> + return key
> + self._destroy()
> + raise StopIteration
>
> class ConfigMapping(base.NotmuchObject, collections.abc.MutableMapping):
> - """The config key/value pairs stored in the database.
> + """The config key/value pairs loaded from the database, config file,
> + and and/or defaults.
>
> The entries are exposed as a :class:`collections.abc.MutableMapping` object.
> Note that setting a value to an empty string is the same as deleting it.
>
> + Mutating (deleting or updating values) in the map persists only in
> + the database, which can be shadowed by config files.
> +
> :param parent: the parent object
> :param ptr_name: the name of the attribute on the parent which will
> return the memory pointer. This allows this object to
> access the pointer via the parent's descriptor and thus
> trigger :class:`MemoryPointer`'s memory safety.
> +
> """
>
> def __init__(self, parent, ptr_name):
> @@ -77,11 +92,10 @@ class ConfigMapping(base.NotmuchObject, collections.abc.MutableMapping):
>
> :raises NullPointerError: If the iterator can not be created.
> """
> - configlist_pp = capi.ffi.new('notmuch_config_list_t**')
> - ret = capi.lib.notmuch_database_get_config_list(self._ptr(), b'', configlist_pp)
> - if ret != capi.lib.NOTMUCH_STATUS_SUCCESS:
> - raise errors.NotmuchError(ret)
> - return ConfigIter(self._parent, configlist_pp[0])
> + config_pairs_p = capi.lib.notmuch_config_get_pairs(self._ptr(), b'')
> + if config_pairs_p == capi.ffi.NULL:
> + raise KeyError
> + return ConfigIter(self._parent, config_pairs_p)
>
> def __len__(self):
> return sum(1 for t in self)
> diff --git a/bindings/python-cffi/tests/test_config.py b/bindings/python-cffi/tests/test_config.py
> index 67b0dea4..2a7f42f0 100644
> --- a/bindings/python-cffi/tests/test_config.py
> +++ b/bindings/python-cffi/tests/test_config.py
> @@ -34,20 +34,24 @@ class TestIter:
> print(repr(val))
>
> def test_iter(self, db):
> - assert list(db.config) == []
> - db.config['spam'] = 'ham'
> - db.config['eggs'] = 'bacon'
> - assert set(db.config) == {'spam', 'eggs'}
> - assert set(db.config.keys()) == {'spam', 'eggs'}
> - assert set(db.config.values()) == {'ham', 'bacon'}
> - assert set(db.config.items()) == {('spam', 'ham'), ('eggs', 'bacon')}
> + def has_prefix(x):
> + return x.startswith('TEST.')
> +
> + assert [ x for x in db.config if has_prefix(x) ] == []
> + db.config['TEST.spam'] = 'TEST.ham'
> + db.config['TEST.eggs'] = 'TEST.bacon'
> + assert { x for x in db.config if has_prefix(x) } == {'TEST.spam', 'TEST.eggs'}
> + assert { x for x in db.config.keys() if has_prefix(x) } == {'TEST.spam', 'TEST.eggs'}
> + assert { x for x in db.config.values() if has_prefix(x) } == {'TEST.ham', 'TEST.bacon'}
> + assert { (x, y) for (x,y) in db.config.items() if has_prefix(x) } == \
> + {('TEST.spam', 'TEST.ham'), ('TEST.eggs', 'TEST.bacon')}
>
> def test_len(self, db):
> - assert len(db.config) == 0
> + defaults = len(db.config)
> db.config['spam'] = 'ham'
> - assert len(db.config) == 1
> + assert len(db.config) == defaults + 1
> db.config['eggs'] = 'bacon'
> - assert len(db.config) == 2
> + assert len(db.config) == defaults + 2
>
> def test_del(self, db):
> db.config['spam'] = 'ham'
> diff --git a/test/T055-path-config.sh b/test/T055-path-config.sh
> index 71823039..4897c814 100755
> --- a/test/T055-path-config.sh
> +++ b/test/T055-path-config.sh
> @@ -294,7 +294,6 @@ EOF
> test_expect_equal_file EXPECTED OUTPUT
>
> test_begin_subtest "Config list from python ($config)"
> - test_subtest_known_broken
> test_python <<EOF > OUTPUT
> from notmuch2 import Database
> db=Database(config=Database.CONFIG.SEARCH)
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