File size: 2,131 Bytes
f74da72 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 |
# Creates line annotations in annotations/lines/*.csv from word annotations in
# annotations/words/*.csv.
import csv
import os
import glob
for fp in glob.glob(os.path.join("annotations", "words", "*.csv")):
song_name = os.path.splitext(os.path.basename(fp))[0]
# Read word timings
with open(fp) as f:
word_timings = list(csv.DictReader(f, delimiter=","))
# Read word list
word_list_path = os.path.join("lyrics", song_name + ".words.txt")
if not os.path.exists(word_list_path):
raise FileNotFoundError(
f"Couldn't find word list file at {word_list_path}. Did you "
"forget to generate it beforehand?"
)
with open(word_list_path) as f:
words = f.read().splitlines()
# Create line-by-line annotations
assert len(word_timings) == len(
words
), f"Found {len(word_timings)} timings in {fp} but {len(words)} words in {word_list_path}"
annotations_by_line = []
curr_line = {}
for timing, word in zip(word_timings, words):
# Potentially start new line
if "start_time" not in curr_line.keys():
assert len(curr_line.keys()) == 0
curr_line["start_time"] = timing["word_start"]
# Add current word to line text
curr_line["lyrics_line"] = (
word if "lyrics_line" not in curr_line.keys() else curr_line["lyrics_line"] + " " + word
)
# Potentially end current line
if timing["line_end"] != "nan":
curr_line["end_time"] = float(timing["line_end"])
annotations_by_line.append(curr_line)
curr_line = {}
# Write to line CSV
line_output_dir = os.path.join("annotations", "lines")
os.makedirs(line_output_dir, exist_ok=True)
line_output_path = os.path.join(line_output_dir, song_name + ".csv")
with open(line_output_path, "w") as out_file:
out_file.write("start_time,end_time,lyrics_line\n")
for line in annotations_by_line:
out_file.write(f"{str(line['start_time'])},{line['end_time']},{line['lyrics_line']}\n")
print("Finished converting annotations!")
|