music_kraken/development_cli/__init__.py

@@ -5,7 +5,21 @@ from ..__meta__ import DESCRIPTION, PROGRAMM
 from ..download import Downloader
 from ..utils import BColors
 from ..utils.string_processing import unify
-from .utils import HELP_MESSAGE, ask_for_bool, ask_for_create
+from .utils import ask_for_bool, ask_for_create
+
+
+class Selection:
+    def __init__(self, options: list):
+        self.options = options
+
+    def pprint(self):
+        return "\n".join(f"{i}: {option}" for i, option in enumerate(self.options))
+
+    def choose(self, input_: str):
+        try:
+            return self.options[int(input_)]
+        except (ValueError, IndexError):
+            return None
 
 
 class DevelopmentCli:
@@ -53,30 +67,11 @@ class DevelopmentCli:
         return genre
 
 
-    def help_screen(self) -> None:
-        print(HELP_MESSAGE)
-
-    def shell(self) -> None:
-        print(f"Welcome to the {PROGRAMM} shell!")
-        print(f"Type '{BColors.OKBLUE}help{BColors.ENDC}' for a list of commands.")
-        print("")
-
-        while True:
-            i = input("> ")
-            if i == "help":
-                self.help_screen()
-            elif i == "genre":
-                self.genre
-            elif i == "exit":
-                break
-            else:
-                print("Unknown command. Type 'help' for a list of commands.")
-
 def main():
     parser = argparse.ArgumentParser(
         prog=PROGRAMM,
         description=DESCRIPTION,
         epilog='This is just a development cli. The real frontend is coming soon.'
     )
-    parser.add_argument('--genre', '-g', action='store_const', required=False, help="choose a genre to download from")
+    parser.add_argument('--genre', '-g', action='store_const')
     args = parser.parse_args()

music_kraken/development_cli/genre.py

@@ -0,0 +1,53 @@
+import re
+from pathlib import Path
+from typing import Dict, Generator, List, Set, Type, Union
+
+from ..download import Downloader, Page, components
+from ..utils.config import main_settings
+from .utils import ask_for_bool, cli_function
+
+
+class GenreIO(components.HumanIO):
+    @staticmethod
+    def ask_to_create(option: components.Option) -> bool:
+        output()
+        return ask_for_bool(f"create the genre {BColors.OKBLUE.value}{option.value}{BColors.ENDC.value}")
+
+    @staticmethod
+    def not_found(key: str) -> None:
+        output(f"\ngenre {BColors.BOLD.value}{key}{BColors.ENDC.value} not found\n", color=BColors.FAIL)
+
+
+def _genre_generator() -> Generator[str, None, None]:
+    def is_valid_genre(genre: Path) -> bool:
+        """
+        gets the name of all subdirectories of shared.MUSIC_DIR,
+        but filters out all directories, where the name matches with any Patern
+        from shared.NOT_A_GENRE_REGEX.
+        """
+        if not genre.is_dir():
+            return False
+
+        if any(re.match(regex_pattern, genre.name) for regex_pattern in main_settings["not_a_genre_regex"]):
+            return False
+
+        return True
+    
+    for genre in filter(is_valid_genre, main_settings["music_directory"].iterdir()):
+        yield genre.name
+
+def get_genre() -> str:
+    select_genre = components.Select(
+        human_io=GenreIO,
+        can_create_options=True,
+        data=_genre_generator(),
+    )
+    genre: Optional[components.Option[str]] = None
+
+    while genre is None:
+        print(select_genre.pprint())
+        print()
+
+        genre = select_genre.choose(input("> "))
+
+    return genre.value

music_kraken/development_cli/utils.py

@@ -40,44 +40,10 @@ def print_cute_message():
         print(message)
 
 
-def highlight_placeholder(text: str) -> str:
-    return text.replace("<", f"{BColors.BOLD}<").replace(">", f">{BColors.ENDC}")
-
-
-HELP_MESSAGE = highlight_placeholder(f"""{BColors.HEADER}To search:{BColors.ENDC}
-> s: <query/url>
-> s: https://musify.club/release/some-random-release-183028492
-> s: #a <artist> #r <release> #t <track>
-
-If you found the same object twice from different sources you can merge those objects.
-Then it will use those sources. To do so, use the {BColors.BOLD}m{BColors.ENDC} command.
-
-{BColors.HEADER}To download:{BColors.ENDC}
-> d: <id/url>
-> dm: 0, 3, 4   # merge all objects into one and download this object
-> d: 1
-> d: https://musify.club/release/some-random-release-183028492
-
-{BColors.HEADER}To inspect an object:{BColors.ENDC}
-If you inspect an object, you see its adjacent object. This means for example the releases of an artist, or the tracks of a release.
-You can also merge objects with the {BColors.BOLD}m{BColors.ENDC} command here.
-
-> g: <id/url>
-> gm: 0, 3, 4   # merge all objects into one and inspect this object
-> g: 1
-> g: https://musify.club/release/some-random-release-183028492""")
-
-
-class COMMANDS:
-    AGREE = {"y", "yes", "ok"}
-    DISAGREE = {"n", "no"}
-    EXIT = {"exit"}
-    HELP = {"help", "h"}
-
-
+AGREE_INPUTS = {"y", "yes", "ok"}
 def ask_for_bool(msg: str) -> bool:
     i = input(f"{msg} ({BColors.OKGREEN.value}Y{BColors.ENDC.value}/{BColors.FAIL.value}N{BColors.ENDC.value})? ").lower()
-    return i in COMMANDS.AGREE
+    return i in AGREE_INPUTS
 
 
 def ask_for_create(name: str, value: str) -> bool:

music_kraken/utils/enums/colors.py

@@ -1,7 +1,7 @@
 from enum import Enum
 
 
-class BColors:
+class BColors(Enum):
     # https://stackoverflow.com/a/287944
     HEADER = "\033[95m"
     OKBLUE = "\033[94m"