initial commit

deezer_downloader/configuration.py

@@ -0,0 +1,53 @@
+import sys
+import os
+from pathlib import Path
+from configparser import ConfigParser
+
+config = None
+
+
+def load_config(config_abs):
+    global config
+
+    if not os.path.exists(config_abs):
+        print(f"Could not find config file: {config_abs}")
+        sys.exit(1)
+
+    config = ConfigParser()
+    config.read(config_abs)
+
+    assert list(config.keys()) == ['DEFAULT', 'mpd', 'download_dirs', 'debug', 'http', 'proxy', 'threadpool', 'deezer', 'youtubedl'], f"Validating config file failed. Check {config_abs}"
+
+    if config['mpd'].getboolean('use_mpd'):
+        if not config['mpd']['music_dir_root'].startswith(config['download_dirs']['base']):
+            print("ERROR: base download dir must be a subdirectory of the mpd music_dir_root")
+            sys.exit(1)
+
+    if not Path(config['youtubedl']['command']).exists():
+        print(f"ERROR: yt-dlp not found at {config['youtubedl']['command']}")
+        sys.exit(1)
+
+    proxy_server = config['proxy']['server']
+    if len(proxy_server) > 0:
+        if not proxy_server.startswith("https://") and \
+           not proxy_server.startswith("socks5"): # there is also socks5h
+            print(f"ERROR: invalid proxy server address: {config['proxy']['server']}")
+            sys.exit(1)
+
+    if "DEEZER_COOKIE_ARL" in os.environ.keys():
+        config["deezer"]["cookie_arl"] = os.environ["DEEZER_COOKIE_ARL"]
+
+    if len(config["deezer"]["cookie_arl"].strip()) == 0:
+        print("ERROR: cookie_arl must not be empty")
+        sys.exit(1)
+
+    if "DEEZER_QUALITY" in os.environ.keys():
+        config["deezer"]["quality"] = os.environ["DEEZER_QUALITY"]
+        
+    if "quality" in config['deezer']:
+        if config['deezer']["quality"] not in ("mp3", "flac"):
+            print("ERROR: quality must be mp3 or flac in config file")
+            sys.exit(1)
+    else:
+        print("Warning: quality not set in config file. Using mp3")
+        config["deezer"]["quality"] = "mp3"