mirror of
https://github.com/onyx-and-iris/voicemeeter-api-python.git
synced 2024-11-15 16:40:46 +00:00
all CAPI calls wrapped by call().
raise CAPIError if macrobutton fns are not bound producer thread added to init_thread()
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parent
6ddfe3044e
commit
7d4d09ff29
@ -2,7 +2,7 @@ import ctypes as ct
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import logging
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import time
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from abc import abstractmethod
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from functools import partial
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from queue import Queue
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from typing import Iterable, NoReturn, Optional, Union
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from .cbindings import CBindings
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@ -12,33 +12,36 @@ from .inst import bits
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from .kinds import KindId
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from .misc import Midi
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from .subject import Subject
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from .updater import Updater
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from .updater import Producer, Updater
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from .util import grouper, polling, script
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logger = logging.getLogger(__name__)
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class Remote(CBindings):
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"""Base class responsible for wrapping the C Remote API"""
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logger = logging.getLogger("remote.remote")
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DELAY = 0.001
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def __init__(self, **kwargs):
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self.strip_mode = 0
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self.cache = {}
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self.cache["strip_level"], self.cache["bus_level"] = self._get_levels()
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self.midi = Midi()
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self.subject = Subject()
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self.subject = self.observer = Subject()
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self.running = None
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self.event = Event(
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{k: kwargs.pop(k) for k in ("pdirty", "mdirty", "midi", "ldirty")}
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)
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self.logger = logger.getChild(self.__class__.__name__)
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for attr, val in kwargs.items():
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setattr(self, attr, val)
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self.event = Event(self.subs)
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def __enter__(self):
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"""setup procedures"""
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self.login()
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self.init_thread()
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if self.event.any():
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self.init_thread()
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return self
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@abstractmethod
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@ -50,17 +53,24 @@ class Remote(CBindings):
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"""Starts updates thread."""
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self.running = True
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self.event.info()
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self.cache["strip_level"], self.cache["bus_level"] = self._get_levels()
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self.updater = Updater(self)
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queue = Queue()
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self.updater = Updater(self, queue)
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self.updater.start()
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self.producer = Producer(self, queue)
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self.producer.start()
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self.logger.debug("events thread initiated!")
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def login(self) -> NoReturn:
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"""Login to the API, initialize dirty parameters"""
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res = self.vm_login()
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res = self.call(self.vm_login, ok=(0, 1))
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if res == 1:
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self.logger.info(
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"Voicemeeter engine running but GUI not launched. Launching the GUI now."
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)
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self.run_voicemeeter(self.kind.name)
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elif res != 0:
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raise CAPIError(f"VBVMR_Login returned {res}")
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self.logger.info(f"{type(self).__name__}: Successfully logged into {self}")
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self.clear_dirty()
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@ -71,21 +81,21 @@ class Remote(CBindings):
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value = KindId[kind_id.upper()].value + 3
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else:
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value = KindId[kind_id.upper()].value
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self.vm_runvm(value)
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self.call(self.vm_runvm, value)
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time.sleep(1)
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@property
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def type(self) -> str:
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"""Returns the type of Voicemeeter installation (basic, banana, potato)."""
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type_ = ct.c_long()
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self.vm_get_type(ct.byref(type_))
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self.call(self.vm_get_type, ct.byref(type_))
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return KindId(type_.value).name.lower()
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@property
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def version(self) -> str:
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"""Returns Voicemeeter's version as a string"""
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ver = ct.c_long()
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self.vm_get_version(ct.byref(ver))
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self.call(self.vm_get_version, ct.byref(ver))
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return "{}.{}.{}.{}".format(
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(ver.value & 0xFF000000) >> 24,
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(ver.value & 0x00FF0000) >> 16,
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@ -96,12 +106,18 @@ class Remote(CBindings):
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@property
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def pdirty(self) -> bool:
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"""True iff UI parameters have been updated."""
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return self.vm_pdirty() == 1
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return self.call(self.vm_pdirty, ok=(0, 1)) == 1
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@property
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def mdirty(self) -> bool:
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"""True iff MB parameters have been updated."""
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return self.vm_mdirty() == 1
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try:
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return self.call(self.vm_mdirty, ok=(0, 1)) == 1
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except AttributeError as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise CAPIError(
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"no bind for VBVMR_MacroButton_IsDirty. are you using an old version of the API?"
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) from e
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@property
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def ldirty(self) -> bool:
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@ -112,23 +128,24 @@ class Remote(CBindings):
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and self.cache.get("bus_level") == self._bus_buf
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)
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def clear_dirty(self):
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while self.pdirty or self.mdirty:
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pass
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def clear_dirty(self) -> NoReturn:
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try:
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while self.pdirty or self.mdirty:
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pass
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except CAPIError:
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self.logger.error("no bind for mdirty, clearing pdirty only")
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while self.pdirty:
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pass
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@polling
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def get(self, param: str, is_string: Optional[bool] = False) -> Union[str, float]:
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"""Gets a string or float parameter"""
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if is_string:
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buf = ct.create_unicode_buffer(512)
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self.call(
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partial(self.vm_get_parameter_string, param.encode(), ct.byref(buf))
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)
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self.call(self.vm_get_parameter_string, param.encode(), ct.byref(buf))
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else:
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buf = ct.c_float()
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self.call(
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partial(self.vm_get_parameter_float, param.encode(), ct.byref(buf))
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)
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self.call(self.vm_get_parameter_float, param.encode(), ct.byref(buf))
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return buf.value
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def set(self, param: str, val: Union[str, float]) -> NoReturn:
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@ -136,14 +153,10 @@ class Remote(CBindings):
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if isinstance(val, str):
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if len(val) >= 512:
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raise VMError("String is too long")
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self.call(
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partial(self.vm_set_parameter_string, param.encode(), ct.c_wchar_p(val))
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)
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self.call(self.vm_set_parameter_string, param.encode(), ct.c_wchar_p(val))
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else:
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self.call(
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partial(
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self.vm_set_parameter_float, param.encode(), ct.c_float(float(val))
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)
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self.vm_set_parameter_float, param.encode(), ct.c_float(float(val))
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)
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self.cache[param] = val
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@ -151,22 +164,30 @@ class Remote(CBindings):
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def get_buttonstatus(self, id: int, mode: int) -> int:
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"""Gets a macrobutton parameter"""
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state = ct.c_float()
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self.call(
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partial(
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try:
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self.call(
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self.vm_get_buttonstatus,
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ct.c_long(id),
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ct.byref(state),
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ct.c_long(mode),
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)
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)
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except AttributeError as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise CAPIError(
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"no bind for VBVMR_MacroButton_GetStatus. are you using an old version of the API?"
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) from e
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return int(state.value)
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def set_buttonstatus(self, id: int, state: int, mode: int) -> NoReturn:
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"""Sets a macrobutton parameter. Caches value"""
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c_state = ct.c_float(float(state))
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self.call(
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partial(self.vm_set_buttonstatus, ct.c_long(id), c_state, ct.c_long(mode))
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)
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try:
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self.call(self.vm_set_buttonstatus, ct.c_long(id), c_state, ct.c_long(mode))
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except AttributeError as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise CAPIError(
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"no bind for VBVMR_MacroButton_SetStatus. are you using an old version of the API?"
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) from e
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self.cache[f"mb_{id}_{mode}"] = int(c_state.value)
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def get_num_devices(self, direction: str = None) -> int:
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@ -174,7 +195,8 @@ class Remote(CBindings):
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if direction not in ("in", "out"):
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raise VMError("Expected a direction: in or out")
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func = getattr(self, f"vm_get_num_{direction}devices")
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return func()
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res = self.call(func, ok_exp=lambda r: r >= 0)
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return res
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def get_device_description(self, index: int, direction: str = None) -> tuple:
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"""Returns a tuple of device parameters"""
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@ -184,7 +206,8 @@ class Remote(CBindings):
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name = ct.create_unicode_buffer(256)
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hwid = ct.create_unicode_buffer(256)
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func = getattr(self, f"vm_get_desc_{direction}devices")
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func(
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self.call(
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func,
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ct.c_long(index),
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ct.byref(type_),
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ct.byref(name),
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@ -195,7 +218,7 @@ class Remote(CBindings):
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def get_level(self, type_: int, index: int) -> float:
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"""Retrieves a single level value"""
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val = ct.c_float()
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self.vm_get_level(ct.c_long(type_), ct.c_long(index), ct.byref(val))
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self.call(self.vm_get_level, ct.c_long(type_), ct.c_long(index), ct.byref(val))
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return val.value
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def _get_levels(self) -> Iterable:
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@ -216,7 +239,7 @@ class Remote(CBindings):
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def get_midi_message(self):
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n = ct.c_long(1024)
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buf = ct.create_string_buffer(1024)
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res = self.vm_get_midi_message(ct.byref(buf), n)
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res = self.vm_get_midi_message(ct.byref(buf), n, ok_exp=lambda r: r >= 0)
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if res > 0:
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vals = tuple(
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grouper(3, (int.from_bytes(buf[i], "little") for i in range(res)))
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@ -228,15 +251,13 @@ class Remote(CBindings):
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self.midi._most_recent = pitch
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self.midi._set(pitch, vel)
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return True
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elif res == -1 or res == -2:
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raise CAPIError(f"VBVMR_GetMidiMessage returned {res}")
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@script
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def sendtext(self, script: str):
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"""Sets many parameters from a script"""
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if len(script) > 48000:
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raise ValueError("Script too large, max size 48kB")
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self.call(partial(self.vm_set_parameter_multi, script.encode()))
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self.call(self.vm_set_parameter_multi, script.encode())
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time.sleep(self.DELAY * 5)
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def apply(self, data: dict):
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@ -266,20 +287,19 @@ class Remote(CBindings):
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try:
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self.apply(self.configs[name])
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self.logger.info(f"Profile '{name}' applied!")
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except KeyError as e:
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except KeyError:
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self.logger.error(("\n").join(error_msg))
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def logout(self) -> NoReturn:
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"""Wait for dirty parameters to clear, then logout of the API"""
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self.clear_dirty()
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time.sleep(0.1)
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res = self.vm_logout()
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if res != 0:
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raise CAPIError(f"VBVMR_Logout returned {res}")
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self.call(self.vm_logout)
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self.logger.info(f"{type(self).__name__}: Successfully logged out of {self}")
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def end_thread(self):
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self.running = False
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self.logger.debug("events thread stopped")
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def __exit__(self, exc_type, exc_value, exc_traceback) -> NoReturn:
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"""teardown procedures"""
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