swingmusic/app/utils/parsers.py
geoffrey45 e3ec9db989 add method and route to search across tracks, albums and artists.
+ break models into separate files
+ same for the utils and setup
2023-03-09 13:08:50 +03:00

87 lines
2.2 KiB
Python

import re
def split_artists(src: str, with_and: bool = False):
exp = r"\s*(?: and |&|,|;)\s*" if with_and else r"\s*[,;]\s*"
artists = re.split(exp, src)
return [a.strip() for a in artists]
def parse_artist_from_filename(title: str):
"""
Extracts artist names from a song title using regex.
"""
regex = r"^(.+?)\s*[-–—]\s*(?:.+?)$"
match = re.search(regex, title, re.IGNORECASE)
if not match:
return []
artists = match.group(1)
artists = split_artists(artists)
return artists
def parse_title_from_filename(title: str):
"""
Extracts track title from a song title using regex.
"""
regex = r"^(?:.+?)\s*[-–—]\s*(.+?)$"
match = re.search(regex, title, re.IGNORECASE)
if not match:
return title
res = match.group(1)
# remove text in brackets starting with "official" case-insensitive
res = re.sub(r"\s*\([^)]*official[^)]*\)", "", res, flags=re.IGNORECASE)
return res.strip()
def remove_prod(title: str) -> str:
"""
Removes the producer string in a track title using regex.
"""
# check if title contain title, if not return it.
if not ("prod." in title.lower()):
return title
# check if title has brackets
if re.search(r"[()\[\]]", title):
regex = r"\s?(\(|\[)prod\..*?(\)|\])\s?"
else:
regex = r"\s?\bprod\.\s*\S+"
# remove the producer string
title = re.sub(regex, "", title, flags=re.IGNORECASE)
return title.strip()
def parse_feat_from_title(title: str) -> tuple[list[str], str]:
"""
Extracts featured artists from a song title using regex.
"""
regex = r"\((?:feat|ft|featuring|with)\.?\s+(.+?)\)"
# regex for square brackets 👇
sqr_regex = r"\[(?:feat|ft|featuring|with)\.?\s+(.+?)\]"
match = re.search(regex, title, re.IGNORECASE)
if not match:
match = re.search(sqr_regex, title, re.IGNORECASE)
regex = sqr_regex
if not match:
return [], title
artists = match.group(1)
artists = split_artists(artists, with_and=True)
# remove "feat" group from title
new_title = re.sub(regex, "", title, flags=re.IGNORECASE)
return artists, new_title