simplify midi using pertok

.gitignore

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+.DS_Store
+test_data/.DS_Store
+test_data/drummer1/.DS_Store

simplify_midi_pertok.py

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+import os
+import csv
+# import mido
+# import pretty_midi
+from miditok import PerTok, TokenizerConfig
+from pathlib import Path
+
+# CSV_FILE = "test_data/info.csv"
+# CSV_FILE_OUT = "test_data/info_simplified.csv"
+base_folder = Path("test_data")
+
+test_csv = base_folder/"test.csv"
+train_csv = base_folder/"train.csv"
+validation_csv = base_folder/"validation.csv"
+
+folders = (test_csv, train_csv, validation_csv)
+
+filter_values = (
+    35,  # Acoustic Bass Drum
+    36,  # Bass Drum 1
+    37,  # Side Stick
+    38,  # Acoustic Snare
+    39,  # Hand Clap
+    40,  # Electric Snare
+)
+
+TOKENIZER_PARAMS = {
+    "pitch_range": (35, 40),
+    # "beat_res": {(0, 4): 4, (0, 4): 3},
+    "special_tokens": ["PAD", "BOS", "EOS", "MASK"],
+    "use_chords": False,
+    "use_rests": False,
+    "use_velocities": False,
+    "use_tempos": True,
+    "use_time_signatures": False,
+    "use_programs": False,
+    "use_microtiming": False,
+    "ticks_per_quarter": 320,
+    "max_microtiming_shift": 0.125,
+    # "num_microtiming_bins": 30,
+}
+midi_tokenizer = PerTok(TokenizerConfig(**TOKENIZER_PARAMS))
+
+# first_midi = None
+# outfile = []
+for folder in folders:
+    with open(folder) as fd:
+        reader = csv.DictReader(fd)
+        for i, row in enumerate(reader):
+            filename = row["midi_filename"]
+            print(f"{i} processing file {filename}...")
+            mid = midi_tokenizer(base_folder/filename)
+            new_filename = filename.split(".")
+            new_filename.insert(-1, "simplified")
+            new_filename = ".".join(new_filename)
+            simple_midi = midi_tokenizer(mid, programs=[(10, True)])
+            simple_midi.dump_midi(base_folder/new_filename)