feat: speed up connect and disconnect (#247)

build_ext.py

@@ -28,6 +28,7 @@ def build(setup_kwargs):
                         "src/dbus_fast/service.py",
                         "src/dbus_fast/signature.py",
                         "src/dbus_fast/unpack.py",
+                        "src/dbus_fast/_private/address.py",
                         "src/dbus_fast/_private/marshaller.py",
                         "src/dbus_fast/_private/unmarshaller.py",
                     ],

src/dbus_fast/_private/address.pxd

@@ -0,0 +1,15 @@
+"""cdefs for address.py"""
+
+import cython
+
+
+cdef object unquote
+
+@cython.locals(kv=cython.str, opt_string=cython.str, address=cython.str)
+cpdef parse_address(cython.str address_str)
+
+cpdef get_bus_address(object bus_type)
+
+cpdef get_session_bus_address()
+
+cpdef get_system_bus_address()

src/dbus_fast/_private/address.py

@@ -8,8 +8,10 @@
 
 invalid_address_chars_re = re.compile(r"[^-0-9A-Za-z_/.%]")
 
+str_ = str
 
-def parse_address(address_str: str) -> List[Tuple[str, Dict[str, str]]]:
+
+def parse_address(address_str: str_) -> List[Tuple[str, Dict[str, str]]]:
     """Parse a dbus address string into a list of addresses."""
     addresses: List[Tuple[str, Dict[str, str]]] = []
 

src/dbus_fast/message.pxd

@@ -43,7 +43,7 @@ cdef class Message:
     cdef public object error_name
     cdef public object reply_serial
     cdef public object sender
-    cdef public object unix_fds
+    cdef public cython.list unix_fds
     cdef public object signature
     cdef public object signature_tree
     cdef public object body

src/dbus_fast/message_bus.pxd

@@ -1,5 +1,6 @@
 import cython
 
+from ._private.address cimport get_bus_address, parse_address
 from .message cimport Message
 from .service cimport ServiceInterface, _Method
 
@@ -10,18 +11,19 @@ cdef object MessageFlag
 
 cdef object MESSAGE_TYPE_CALL
 cdef object MESSAGE_TYPE_SIGNAL
-cdef object NO_REPLY_EXPECTED_VALUE
+cdef cython.uint NO_REPLY_EXPECTED_VALUE
 cdef object BLOCK_UNEXPECTED_REPLY
 cdef object assert_object_path_valid
 cdef object assert_bus_name_valid
 
-cdef _expects_reply(Message msg)
+@cython.locals(flag_value=cython.uint)
+cdef bint _expects_reply(Message msg)
 
 
 cdef class BaseMessageBus:
 
     cdef public object unique_name
-    cdef public object _disconnected
+    cdef public bint _disconnected
     cdef public object _user_disconnect
     cdef public cython.dict _method_return_handlers
     cdef public object _serial
@@ -48,3 +50,5 @@ cdef class BaseMessageBus:
         interfaces=cython.list,
     )
     cdef _find_message_handler(self, Message msg)
+
+    cdef _setup_socket(self)

src/dbus_fast/message_bus.py

@@ -36,7 +36,8 @@
 
 def _expects_reply(msg: _Message) -> bool:
     """Whether a message expects a reply."""
-    return not (msg.flags.value & NO_REPLY_EXPECTED_VALUE)
+    flag_value = msg.flags.value
+    return not (flag_value & NO_REPLY_EXPECTED_VALUE)
 
 
 def _block_unexpected_reply(reply: _Message) -> None:
@@ -153,6 +154,9 @@ def __init__(
 
         # machine id is lazy loaded
         self._machine_id: Optional[int] = None
+        self._sock: Optional[socket.socket] = None
+        self._fd: Optional[int] = None
+        self._stream: Optional[Any] = None
 
         self._setup_socket()
 
@@ -587,7 +591,7 @@ def _finalize(self, err: Optional[Exception]) -> None:
 
         self._method_return_handlers.clear()
 
-        for path in list(self._path_exports.keys()):
+        for path in list(self._path_exports):
             self.unexport(path)
 
         self._user_message_handlers.clear()