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Add docstrings. Also add safe_cast function. Finally

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fix some minor issues.
This commit is contained in:
alessandro90
2019-05-25 15:18:06 +02:00
parent a7e36505e9
commit 43a9ce954e
14 changed files with 531 additions and 181 deletions
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27
audio_player.py
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@@ -7,14 +7,23 @@ from constants import Constants
import qtawesome as qta
class AudioPlayer(QObject): # Maybe useless inheriting from QObject
"""This is the audio player widget. The only public methods are the __init__
class AudioPlayer(QObject):
"""Subclass QObject. Audio player widget for the audio samples.
The only public methods are the __init__
method, set_audio_player, which loads the current file and refresh_btns_colors.
Everything else is managed internally."""
__time_step = 500 # Milliseconds.
def __init__(self, play, pause, stop, volume, audio_progress, active_color, inactive_color):
def __init__(self, play,
pause,
stop,
volume,
audio_progress,
active_color,
inactive_color):
"""Initialize the player."""
super().__init__()
self.__paused = False
self.__first_call = True
@@ -36,6 +45,7 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
self.refresh_btns_colors(active_color, inactive_color)
def refresh_btns_colors(self, active_color, inactive_color):
"""Repaint the buttons of the widgetd after the theme has changed."""
self.__play.setIcon(qta.icon('fa5.play-circle',
color=active_color,
color_disabled=inactive_color))
@@ -48,12 +58,14 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
@pyqtSlot()
def __set_volume(self):
"""Set the volume of the audio samples."""
if mixer.get_init():
mixer.music.set_volume(
self.__volume.value() / self.__volume.maximum()
)
def __reset_audio_widget(self):
"""Reset the widget. Stop all playing samples."""
if mixer.get_init():
if mixer.music.get_busy():
mixer.music.stop()
@@ -65,6 +77,7 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
@pyqtSlot()
def __update_bar(self):
"""Upadte the progress bar."""
pos = mixer.music.get_pos()
if pos == -1:
self.__timer.stop()
@@ -74,11 +87,13 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
self.__audio_progress.setValue(pos)
def __set_max_progress_bar(self):
"""Set the maximum value of the progress bar."""
self.__audio_progress.setMaximum(
mixer.Sound(self.__audio_file).get_length() * 1000
)
def set_audio_player(self, fname = ""):
def set_audio_player(self, fname=""):
"""Set the current audio sample."""
self.__first_call = True
self.__reset_audio_widget()
full_name = os.path.join(
@@ -92,6 +107,7 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
@pyqtSlot()
def __play_audio(self):
"""Play the audio sample."""
if not self.__paused:
if self.__first_call:
self.__first_call = False
@@ -111,6 +127,7 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
@pyqtSlot()
def __stop_audio(self):
"""Stop the audio sample."""
mixer.music.stop()
self.__audio_progress.reset()
self.__timer.stop()
@@ -118,12 +135,14 @@ class AudioPlayer(QObject): # Maybe useless inheriting from QObject
@pyqtSlot()
def __pause_audio(self):
"""Pause the audio sample."""
mixer.music.pause()
self.__timer.stop()
self.__paused = True
self.__enable_buttons(True, False, False)
def __enable_buttons(self, play_en, pause_en, stop_en):
"""Set the three buttons status."""
self.__play.setEnabled(play_en)
self.__pause.setEnabled(pause_en)
self.__stop.setEnabled(stop_en)