class AudioController:
def __init__(self, audioDownloaderGUI, audioDir, configMgr=None):
"""
:param audioDownloaderGUI: used for unit testing only !
"""
if os.name == 'posix':
configFilePathName = '/storage/emulated/0/audiodownloader.ini'
else:
configFilePathName = 'c:\\temp\\audiodownloader.ini'
if configMgr == None:
self.configMgr = ConfigManager(configFilePathName)
else:
self.configMgr = configMgr
self.requester = Requester(self.configMgr)
self.audioDownloaderGUI = audioDownloaderGUI
self.audioDownloader = YoutubeDlAudioDownloader(self, audioDir)
def downloadVideosReferencedInPlaylistOrSingleVideo(
self, url, downloadVideoInfoDic, singleVideoTitle):
'''
In case we are downloading videos referenced in a playlist, this method first
execute the download of the audio of the videos and then execute the extraction
or suppression of audio parts as specified in the playlist title, this,
provided we are on Windows (extraction/suppression are not supported on Android).
Example of playlist title:
playlist_title (s01:05:52-01:07:23 e01:15:52-E E01:35:52-01:37:23 S01:25:52-e) (s01:05:52-01:07:23 e01:15:52-e S01:25:52-e E01:35:52-01:37:23)
-e or -E means "to end" !
If we are downloading a single video audio, no extraction/suppression will
be performed.
:param url: playlist or single video url
:param downloadVideoInfoDic: if url points to a playlist
:param singleVideoTitle: if the url points to a single video
'''
if downloadVideoInfoDic:
# downloading the audio track of the videos referenced in the playlist
_, accessError = self.audioDownloader.downloadVideosReferencedInPlaylistForPlaylistUrl(
url, downloadVideoInfoDic)
# extracting/suppressing the audio portions for the downloaded audio tracks
if accessError is None:
if os.name == 'posix':
msgText = 'skipping extraction/suppression on Android.\n'
self.displayMessage(msgText)
else:
# extraction/suppression possible only on Windows !
targetAudioDir = downloadVideoInfoDic.getPlaylistDownloadDir(
)
audioExtractor = AudioExtractor(self, targetAudioDir,
downloadVideoInfoDic)
audioExtractor.extractPlaylistAudio(downloadVideoInfoDic)
# saving the content of the downloadVideoInfoDic which has been completed
# by AudioExtractor in the directory containing the extracted audio files
try:
downloadVideoInfoDic.saveDic()
except TypeError as e:
print(e)
traceback.print_exc()
else:
# downloading a single video
self.audioDownloader.downloadSingleVideoForUrl(
url, singleVideoTitle,
self.audioDownloaderGUI.singleVideoDownloadDir)
def trimAudioFile(self, audioFilePathName):
"""
Example of command line:
audiodownload.py filePathName e0:0:2-e e0:0:3-e
audiodownload filePathName e0:0:2-0:10:55 e0:0:3-0:10:53
:param audioFilePathName:
:return:
"""
audioFileName = audioFilePathName.split(DIR_SEP)[-1]
audioFileDir = audioFilePathName.replace(DIR_SEP + audioFileName, '')
# initializing a partially filled DownloadVideoInfoDic with only the informations
# required to trim the audio file
downloadVideoInfoDic = DownloadVideoInfoDic(audioFileDir)
downloadVideoInfoDic.addVideoInfoForVideoIndex(
1,
audioFileName.split('.')[0], '', audioFileName)
# getting the extract time frames specified as command line argument
# and adding them to the DownloadVideoInfoDic
extractStartEndSecondsLists = self.requester.getExtractStartEndSecondsLists(
)
for extractStartEndSecondsList in extractStartEndSecondsLists:
downloadVideoInfoDic.addExtractStartEndSecondsListForVideoIndex(
1, extractStartEndSecondsList)
# now trimming the audio file
audioExtractor = AudioExtractor(self, audioFileDir,
downloadVideoInfoDic)
audioExtractor.extractAudioPortions(1, audioFileName,
downloadVideoInfoDic)
def getDownloadVideoInfoDicOrSingleVideoTitleFortUrl(self, url):
"""
As the passed URL points either to a playlist or to a single video, the
method returns either a DownloadVideoInfoDic in case of playlist URL or
None and a video title in case of single video URL.
:param url: playlist or single video url
:return: downloadVideoInfoDic, videoTitle
"""
_, downloadVideoInfoDic, videoTitle, accessError = self.audioDownloader.getDownloadVideoInfoDicOrSingleVideoTitleFortUrl(
url)
if accessError:
self.displayMessage(accessError.errorMsg)
return None, None
return downloadVideoInfoDic, videoTitle
def displayMessage(self, msgText):
self.audioDownloaderGUI.outputResult(msgText)
def displayError(self, msg):
self.audioDownloaderGUI.outputResult(msg)
def getConfirmation(self, title, msg):
return self.audioDownloaderGUI.getConfirmation(title, msg)
# method temporary here. Will be suppressed !
def getPrintableResultForInput(self, inputStr, copyResultToClipboard=True):
'''
Return the printable request result, the full request command without any command option and
the full request command with any specified save mode option (option which is to be saved in the
command history list.
:param inputStr:
:param copyResultToClipboard: set to True by default. Whreplaying all requests
stored in history, set to False, which avoids
problem on Android
:seqdiag_return printResult, fullCommandStrNoOptions, fullCommandStrWithOptions, fullCommandStrWithSaveModeOptions
:return: 1/ printable request result
2/ full request command without any command option
3/ full request command with any non save command option
4/ full request command with any specified save mode option, None if no save mode option
is in effect
Ex: 1/ 0.1 ETH/36 USD on Bitfinex: 21/11/17 10:00 360
2/ eth usd 0 bitfinex
3/ None (value command with save mode in effect !)
4/ eth usd 0 bitfinex -vs0.1eth
1/ 0.1 ETH/36 USD on Bitfinex: 21/11/17 10:00 360
2/ eth usd 0 bitfinex
3/ eth usd 0 bitfinex -v0.1eth
4/ None (no value command save option in effect)
1/ ETH/USD on Bitfinex: 21/11/17 10:00 360
2/ eth usd 0 bitfinex
3/ None (no value command in effect)
4/ None (no value command save option in effect)
'''
return inputStr, inputStr, inputStr, inputStr, inputStr
