swingmusic/server/app/helpers.py

120 lines
2.9 KiB
Python

"""
This module contains mimi functions for the server.
"""
import os
import threading
from typing import List
import colorgram
from app import models
home_dir = os.path.expanduser("~") + "/"
app_dir = os.path.join(home_dir, ".musicx")
def background(func):
"""
a threading decorator
use @background above the function you want to run in the background
"""
def background_func(*a, **kw):
threading.Thread(target=func, args=a, kwargs=kw).start()
return background_func
def run_fast_scandir(_dir: str, ext: list):
"""
Scans a directory for files with a specific extension. Returns a list of files and folders in the directory.
"""
subfolders = []
files = []
for f in os.scandir(_dir):
if f.is_dir() and not f.name.startswith("."):
subfolders.append(f.path)
if f.is_file():
if os.path.splitext(f.name)[1].lower() in ext:
files.append(f.path)
for _dir in list(subfolders):
sf, f = run_fast_scandir(_dir, ext)
subfolders.extend(sf)
files.extend(f)
return subfolders, files
def remove_duplicates(tracklist: List[models.Track]) -> List[models.Track]:
"""
Removes duplicates from a list. Returns a list without duplicates.
"""
song_num = 0
while song_num < len(tracklist) - 1:
for index, song in enumerate(tracklist):
if (
tracklist[song_num].title == song.title
and tracklist[song_num].album == song.album
and tracklist[song_num].artists == song.artists
and index != song_num
):
tracklist.remove(song)
song_num += 1
return tracklist
# def save_image(url: str, path: str) -> None:
# """
# Saves an image from an url to a path.
# """
# response = requests.get(url)
# img = Image.open(BytesIO(response.content))
# img.save(path, "JPEG")
def is_valid_file(filename: str) -> bool:
"""
Checks if a file is valid. Returns True if it is, False if it isn't.
"""
if filename.endswith(".flac") or filename.endswith(".mp3"):
return True
else:
return False
def extract_image_colors(image) -> list:
"""Extracts 2 of the most dominant colors from an image."""
try:
colors = sorted(colorgram.extract(image, 2), key=lambda c: c.hsl.h)
except OSError:
return []
formatted_colors = []
for color in colors:
color = f"rgb({color.rgb.r}, {color.rgb.g}, {color.rgb.b})"
formatted_colors.append(color)
return formatted_colors
def check_artist_image(image: str) -> str:
"""
Checks if the artist image is valid.
"""
img_name = image.replace("/", "::") + ".webp"
if not os.path.exists(os.path.join(app_dir, "images", "artists", img_name)):
return "http://10.5.8.182:8900/images/artists/0.webp"
else:
return ("http://10.5.8.182:8900/images/artists/" + img_name,)