mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-22 10:58:10 +01:00
9ddd13f758
This returns all of the config keys with non-empty values, not just those that happen to be stored in the database.
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
import collections.abc
|
|
|
|
import notmuch2._base as base
|
|
import notmuch2._capi as capi
|
|
import notmuch2._errors as errors
|
|
|
|
|
|
__all__ = ['ConfigMapping']
|
|
|
|
|
|
class ConfigIter(base.NotmuchIter):
|
|
|
|
def __init__(self, parent, iter_p):
|
|
super().__init__(
|
|
parent, iter_p,
|
|
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):
|
|
# 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 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):
|
|
self._parent = parent
|
|
self._ptr = lambda: getattr(parent, ptr_name)
|
|
|
|
@property
|
|
def alive(self):
|
|
return self._parent.alive
|
|
|
|
def _destroy(self):
|
|
pass
|
|
|
|
def __getitem__(self, key):
|
|
if isinstance(key, str):
|
|
key = key.encode('utf-8')
|
|
val_pp = capi.ffi.new('char**')
|
|
ret = capi.lib.notmuch_database_get_config(self._ptr(), key, val_pp)
|
|
if ret != capi.lib.NOTMUCH_STATUS_SUCCESS:
|
|
raise errors.NotmuchError(ret)
|
|
val = base.BinString.from_cffi(val_pp[0])
|
|
capi.lib.free(val_pp[0])
|
|
if val == '':
|
|
raise KeyError
|
|
return val
|
|
|
|
def __setitem__(self, key, val):
|
|
if isinstance(key, str):
|
|
key = key.encode('utf-8')
|
|
if isinstance(val, str):
|
|
val = val.encode('utf-8')
|
|
ret = capi.lib.notmuch_database_set_config(self._ptr(), key, val)
|
|
if ret != capi.lib.NOTMUCH_STATUS_SUCCESS:
|
|
raise errors.NotmuchError(ret)
|
|
|
|
def __delitem__(self, key):
|
|
self[key] = ""
|
|
|
|
def __iter__(self):
|
|
"""Return an iterator over the config items.
|
|
|
|
:raises NullPointerError: If the iterator can not be created.
|
|
"""
|
|
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)
|