Fix some error reported by Pyright

doc/conf.py

@@ -35,7 +35,7 @@
 
 intersphinx_mapping = {
     'python': ('https://docs.python.org/3/', None),
-    'numpy': ('https://docs.scipy.org/doc/numpy/', None),
+    'numpy': ('https://numpy.org/doc/stable/', None),
 }
 
 master_doc = 'index'

examples/play_file.py

@@ -80,6 +80,6 @@ def callback(outdata, frames, time, status):
     with stream:
         event.wait()  # Wait until playback is finished
 except KeyboardInterrupt:
-    parser.exit('\nInterrupted by user')
+    parser.exit(1, '\nInterrupted by user')
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/play_long_file.py

@@ -101,9 +101,9 @@ def callback(outdata, frames, time, status):
                 q.put(data, timeout=timeout)
             event.wait()  # Wait until playback is finished
 except KeyboardInterrupt:
-    parser.exit('\nInterrupted by user')
+    parser.exit(1, '\nInterrupted by user')
 except queue.Full:
     # A timeout occurred, i.e. there was an error in the callback
     parser.exit(1)
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/play_long_file_raw.py

@@ -92,9 +92,9 @@ def callback(outdata, frames, time, status):
                 q.put(data, timeout=timeout)
             event.wait()  # Wait until playback is finished
 except KeyboardInterrupt:
-    parser.exit('\nInterrupted by user')
+    parser.exit(1, '\nInterrupted by user')
 except queue.Full:
     # A timeout occurred, i.e. there was an error in the callback
     parser.exit(1)
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/play_sine.py

@@ -59,6 +59,6 @@ def callback(outdata, frames, time, status):
         print('#' * 80)
         input()
 except KeyboardInterrupt:
-    parser.exit('')
+    parser.exit(1, '\nInterrupted by user')
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/play_stream.py

@@ -61,16 +61,16 @@ def int_or_str(text):
     info = ffmpeg.probe(args.url)
 except ffmpeg.Error as e:
     sys.stderr.buffer.write(e.stderr)
-    parser.exit(e)
+    parser.exit(1, str(e))
 
 streams = info.get('streams', [])
 if len(streams) != 1:
-    parser.exit('There must be exactly one stream available')
+    parser.exit(1, 'There must be exactly one stream available')
 
 stream = streams[0]
 
 if stream.get('codec_type') != 'audio':
-    parser.exit('The stream must be an audio stream')
+    parser.exit(1, 'The stream must be an audio stream')
 
 channels = stream['channels']
 samplerate = float(stream['sample_rate'])
@@ -117,9 +117,9 @@ def callback(outdata, frames, time, status):
         while True:
             q.put(process.stdout.read(read_size), timeout=timeout)
 except KeyboardInterrupt:
-    parser.exit('\nInterrupted by user')
+    parser.exit(1, '\nInterrupted by user')
 except queue.Full:
     # A timeout occurred, i.e. there was an error in the callback
     parser.exit(1)
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/plot_input.py

@@ -116,4 +116,4 @@ def update_plot(frame):
     with stream:
         plt.show()
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/rec_gui.py

@@ -12,7 +12,6 @@
 """
 import contextlib
 import queue
-import sys
 import tempfile
 import threading
 import tkinter as tk

examples/rec_unlimited.py

@@ -83,4 +83,4 @@ def callback(indata, frames, time, status):
     print('\nRecording finished: ' + repr(args.filename))
     parser.exit(0)
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/spectrogram.py

@@ -106,6 +106,6 @@ def callback(indata, frames, time, status):
                           '\x1b[0m', sep='')
                     break
 except KeyboardInterrupt:
-    parser.exit('Interrupted by user')
+    parser.exit(1, '\nInterrupted by user')
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

examples/wire.py

@@ -63,6 +63,6 @@ def callback(indata, outdata, frames, time, status):
         print('#' * 80)
         input()
 except KeyboardInterrupt:
-    parser.exit('')
+    parser.exit(1, '\nInterrupted by user')
 except Exception as e:
-    parser.exit(type(e).__name__ + ': ' + str(e))
+    parser.exit(1, type(e).__name__ + ': ' + str(e))

sounddevice.py

@@ -829,11 +829,11 @@ def __init__(self, kind, samplerate=None, blocksize=None, device=None,
                                        extra_settings, samplerate)
             self._device = parameters.device
             self._channels = parameters.channelCount
+            iparameters = _ffi.NULL
+            oparameters = _ffi.NULL
             if kind == 'input':
                 iparameters = parameters
-                oparameters = _ffi.NULL
             elif kind == 'output':
-                iparameters = _ffi.NULL
                 oparameters = parameters
 
         ffi_callback = _ffi.callback('PaStreamCallback', error=_lib.paAbort)
@@ -2116,30 +2116,24 @@ class default:
     device = None, None
     """Index or query string of default input/output device.
 
-    See the *device* argument of `Stream`.
-
     If not overwritten, this is queried from PortAudio.
 
     See Also
     --------
-    `query_devices()`
+    `default`, `query_devices()`, the *device* argument of `Stream`
 
     """
     channels = _default_channels = None, None
     """Default number of input/output channels.
 
-    See the *channels* argument of `Stream`.
-
     See Also
     --------
-    `query_devices()`
+    `default`, `query_devices()`, the *channels* argument of `Stream`
 
     """
     dtype = _default_dtype = 'float32', 'float32'
     """Default data type used for input/output samples.
 
-    See the *dtype* argument of `Stream`.
-
     The types ``'float32'``, ``'int32'``, ``'int16'``, ``'int8'`` and
     ``'uint8'`` can be used for all streams and functions.
     Additionally, `play()`, `rec()` and `playrec()` support
@@ -2148,6 +2142,10 @@ class default:
     `RawStream` support ``'int24'`` (packed 24 bit format, which is
     *not* supported in NumPy!).
 
+    See Also
+    --------
+    `default`, `numpy:numpy.dtype`, the *dtype* argument of `Stream`
+
     """
     latency = _default_latency = 'high', 'high'
     """See the *latency* argument of `Stream`."""
@@ -2164,7 +2162,7 @@ class default:
 
     See Also
     --------
-    `query_devices()`
+    `default`, `query_devices()`
 
     """
     blocksize = _lib.paFramesPerBufferUnspecified