enable youtube-dl cache dir by default with optional setting for container builds

tubesync/sync/youtube.py

@@ -11,7 +11,13 @@ from common.logger import log
 import youtube_dl
 
 
+_youtubedl_cachdir = getattr(settings, 'YOUTUBE_DL_CACHEDIR', None)
 _defaults = getattr(settings, 'YOUTUBE_DEFAULTS', {})
+if _youtubedl_cachdir:
+    _youtubedl_cachdir = str(_youtubedl_cachdir)
+    if os.path.isdir(_youtubedl_cachdir):
+        _defaults['cachedir'] = _youtubedl_cachdir
+
 
 
 class YouTubeError(youtube_dl.utils.DownloadError):

tubesync/tubesync/local_settings.py.container

@@ -29,3 +29,4 @@ DATABASES = {
 
 MEDIA_ROOT = CONFIG_BASE_DIR / 'media'
 DOWNLOAD_ROOT = DOWNLOADS_BASE_DIR
+YOUTUBE_DL_CACHEDIR = CONFIG_BASE_DIR / 'cache'

tubesync/tubesync/settings.py

@@ -138,6 +138,7 @@ VIDEO_HEIGHT_CUTOFF = 360       # Smallest resolution in pixels permitted to dow
 VIDEO_HEIGHT_IS_HD = 500        # Height in pixels to count as 'HD'
 
 
+YOUTUBE_DL_CACHEDIR = None
 YOUTUBE_DEFAULTS = {
     'no_color': True,       # Do not use colours in output
     'age_limit': 99,        # 'Age in years' to spoof