♻️ Some refactoring started within download.py.

✨ Track extension can be ignored while skipping files. Closes #11.
✨ Started to implement MPEG DASH download support.

4 files changed, 70 insertions, 47 deletions

diff --git a/tidal_dl_ng/helper/exceptions.py b/tidal_dl_ng/helper/exceptions.py
index 9ef6ddc..be1bdee 100644
--- a/tidal_dl_ng/helper/exceptions.py
+++ b/tidal_dl_ng/helper/exceptions.py
@@ -4,3 +4,11 @@ class LoginError(Exception):
 
 class MediaUnknown(Exception):
     pass
+
+
+class UnknownManifestFormat(Exception):
+    pass
+
+
+class MediaMissing(Exception):
+    pass
diff --git a/tidal_dl_ng/helper/format.py b/tidal_dl_ng/helper/format.py
new file mode 100644
index 0000000..ab62a69
--- /dev/null
+++ b/tidal_dl_ng/helper/format.py
@@ -0,0 +1,18 @@
+def is_xml(value: str) -> bool:
+    result = False
+
+    if value:
+        if value.startswith("<?xml"):
+            result = True
+
+    return result
+
+
+def is_json(value: str) -> bool:
+    result = False
+
+    if value:
+        if value.startswith("{"):
+            result = True
+
+    return result
diff --git a/tidal_dl_ng/helper/path.py b/tidal_dl_ng/helper/path.py
index 3061160..a907985 100644
--- a/tidal_dl_ng/helper/path.py
+++ b/tidal_dl_ng/helper/path.py
@@ -1,11 +1,11 @@
+import glob
 import os
-import pathlib
-import platform
 import re
 from collections.abc import Callable
 from pathlib import Path
 
-from pathvalidate import sanitize_filename
+from pathvalidate import sanitize_filename, sanitize_filepath
+from pathvalidate.error import ValidationError
 from tidalapi import Album, Mix, Playlist, Track, UserPlaylist, Video
 
 
@@ -121,59 +121,43 @@ def get_fn_format(media: Track | Album | Playlist | UserPlaylist | Video | Mix)
     return result
 
 
-def length_max_name_file() -> int:
-    system = platform.system()
-    result: int = 255
+def path_file_sanitize(path_file: str, adapt: bool = False) -> (bool, str):
+    # Split into path and filename
+    pathname, filename = os.path.split(path_file)
 
+    # Sanitize path
     try:
-        if system in ["Darwin", "Linux"]:
-            result: int = os.pathconf("/", "PC_NAME_MAX")
-    except Exception as e:
-        # TODO: Implement propper logging.
-        print(e)
-
-    return result
-
-
-def length_max_name_path() -> int:
-    system = platform.system()
-    result: int = 255
+        pathname_sanitized = sanitize_filepath(pathname, replacement_text=" ", validate_after_sanitize=True)
+    except ValidationError as e:
+        # If adaption of path is allowed in case of an error set path to HOME.
+        if adapt:
+            pathname_sanitized = Path.home()
+        else:
+            raise e
 
+    # Sanitize filename
     try:
-        if system in ["Darwin", "Linux"]:
-            result: int = os.pathconf("/", "PC_PATH_MAX")
-    except Exception as e:
-        # TODO: Implement propper logging.
-        print(e)
-
-    return result
+        filename_sanitized = sanitize_filename(path_file, replacement_text=" ", validate_after_sanitize=True)
+        filename_sanitized_extension = Path(filename_sanitized).suffix
 
+        # Check if the file extension was removed by shortening the filename length
+        if filename_sanitized_extension == "":
+            # Add the original file extension
+            file_extension = "_" + Path(path_file).suffix
+            filename_sanitized = filename_sanitized[: -len(file_extension)] + file_extension
+    except ValidationError as e:
+        raise e
 
-def path_validate(path_file: str, adapt: bool = False) -> (bool, str):
-    result: bool = False
-    length_max_path: int = length_max_name_path()
-    length_max_file: int = length_max_name_file()
-    path, file = os.path.split(path_file)
-    filename, extension = os.path.splitext(file)
+    # Join path and filename
+    result = os.path.join(pathname_sanitized, filename_sanitized)
 
-    if len(path) >= length_max_path:
-        result = False
-
-        if adapt:
-            path = Path.home()
-
-    if len(file) >= length_max_file:
-        result = False
-
-        if adapt:
-            file = f'{filename[:length_max_file - len(extension + "_")]}_{extension}'
-
-    path_file = os.path.join(path, file)
+    return result
 
-    return result, path_file
 
+def check_file_exists(path_file: str, extension_ignore: bool = False):
+    if extension_ignore:
+        path_file = Path(path_file).stem + ".*"
 
-def check_file_exists(path_file: str):
-    result = pathlib.Path(path_file).is_file()
+    result = True if glob.glob(path_file) else False
 
     return result
diff --git a/tidal_dl_ng/helper/tidal.py b/tidal_dl_ng/helper/tidal.py
new file mode 100644
index 0000000..78434b6
--- /dev/null
+++ b/tidal_dl_ng/helper/tidal.py
@@ -0,0 +1,13 @@
+from tidalapi import Track
+
+
+def name_builder_artist(media: Track) -> str:
+    return ", ".join(artist.name for artist in media.artists)
+
+
+def name_builder_title(media: Track) -> str:
+    return media.name
+
+
+def name_builder_item(media: Track) -> str:
+    return f"{name_builder_artist(media)} - {name_builder_title(media)}"