From 32dafd94e08f7be8e75459aeaff67f856bc3fcc0 Mon Sep 17 00:00:00 2001 From: renato97 Date: Sun, 3 May 2026 14:43:11 -0300 Subject: [PATCH] feat: fix sample variety per section and reorganize sample library - Fix compose.py to select different samples per section instead of one per role - Add select_many() to SampleSelector for diverse sample selection - Migrate 862 samples from scattered dirs to libreria/samples/{role}/ - Rename files with consistent convention: {role}_{key}_{bpm}_{character}_{hash}.wav - Add migrate_library.py script with dry-run and verification - Backup original index as sample_index_pre_migration.json - 72 tests passing --- data/sample_index_pre_migration.json | 128508 ++++++++++++++++++++++++ scripts/compose.py | 24 +- scripts/migrate_library.py | 281 + scripts/migration_log.json | 89 + src/selector/__init__.py | 48 + 5 files changed, 128944 insertions(+), 6 deletions(-) create mode 100644 data/sample_index_pre_migration.json create mode 100644 scripts/migrate_library.py create mode 100644 scripts/migration_log.json diff --git a/data/sample_index_pre_migration.json b/data/sample_index_pre_migration.json new file mode 100644 index 0000000..1e98d90 --- /dev/null +++ b/data/sample_index_pre_migration.json @@ -0,0 +1,128508 @@ +{ + "metadata": { + "total_samples": 862, + "errors": 0, + "roles": { + "guitar": 10, + "lead": 58, + "pluck": 97, + "brass": 12, + "keys": 65, + "pad": 57, + "synth": 22, + "drumloop": 128, + "vocal": 134, + "bass": 59, + "arp": 12, + "fx": 57, + "oneshot": 6, + "perc": 22, + "snare": 54, + "hihat": 18, + "kick": 42, + "fill": 9 + }, + "keys": { + "C": 97, + "Cm": 97, + "E": 32, + "A#": 8, + "X": 104, + "F#": 19, + "C#m": 73, + "F": 7, + "F#m": 35, + "A#m": 31, + "Bm": 32, + "G": 12, + "Em": 29, + "B": 44, + "A": 17, + "Fm": 53, + "C#": 17, + "Am": 25, + "G#": 17, + "D#m": 29, + "D": 12, + "D#": 21, + "Gm": 13, + "G#m": 17, + "Dm": 21 + }, + "characters": { + "warm": 207, + "neutral": 69, + "soft": 67, + 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Build one track per role tracks: list[TrackDef] = [] + # Track used sample IDs per role for diversity + used_sample_ids: dict[str, list[str]] = {} + for role, role_cfg in roles.items(): sample_role = ROLE_TO_SAMPLE_ROLE.get(role, role) - generator_name = role_cfg.get("notes_template", "") - - # Select sample for this role - sample_match = selector.select_one(role=sample_role, key=key, bpm=bpm) - sample_path = sample_match.get("original_path") if sample_match else None # Collect clips for each section section_clips: list[ClipDef] = [] @@ -251,6 +249,20 @@ def build_section_tracks( vel_mult = section.energy vol_mult = section.energy + # For audio roles, select a different sample per section + sample_path = None + if role in AUDIO_ROLES: + exclude = used_sample_ids.get(role, []) + diverse_results = selector.select_diverse( + role=sample_role, n=1, exclude=exclude, key=key, bpm=bpm + ) + if diverse_results: + sample = diverse_results[0] + sample_path = sample.get("original_path") + sample_id = sample.get("file_hash", "") + if sample_id: + used_sample_ids.setdefault(role, []).append(sample_id) + if role in ROLE_RHYTHM_GENERATORS: gen_name = ROLE_RHYTHM_GENERATORS[role] note_dict = get_notes(gen_name, section.bars, velocity_mult=vel_mult) @@ -281,12 +293,12 @@ def build_section_tracks( gen_fn = ROLE_MELODIC_GENERATORS[role] note_list = gen_fn(key=key, bars=section.bars, velocity_mult=vel_mult) midi_notes = melodic_to_midi(note_list) + # Melodic roles use MIDI instruments — no audio_path needed clip = ClipDef( position=sec_offset * 4.0, length=section.bars * 4.0, name=f"{section.name.capitalize()} {role.capitalize()}", midi_notes=midi_notes, - audio_path=sample_path, ) section_clips.append(clip) diff --git a/scripts/migrate_library.py b/scripts/migrate_library.py new file mode 100644 index 0000000..d75e4e9 --- /dev/null +++ b/scripts/migrate_library.py @@ -0,0 +1,281 @@ +#!/usr/bin/env python +"""Migrate sample library to new organized structure. + +Copies all 862 samples from scattered subdirectories in `libreria/reggaeton/` +to flat role-based directories under `libreria/samples/{role}/` with consistent +naming. + +Usage: + python scripts/migrate_library.py [--dry-run] [--verify] + +CRITICAL RULES: +- COPY files, do NOT move them (keep originals as backup) +- Do NOT delete original files +- Keep the old index as backup before modifying +""" +from __future__ import annotations + +import json +import shutil +import sys +from datetime import datetime, timezone +from pathlib import Path +from typing import Optional + +# Project root +_ROOT = Path(__file__).parent.parent +INDEX_PATH = _ROOT / "data" / "sample_index.json" +BACKUP_PATH = _ROOT / "data" / "sample_index_pre_migration.json" +SAMPLES_ROOT = _ROOT / "libreria" / "samples" +LOG_PATH = _ROOT / "scripts" / "migration_log.json" + +# All known roles +ROLES = { + "kick", "snare", "hihat", "perc", "bass", "lead", "keys", "pad", + "drumloop", "fx", "vocal", "guitar", "brass", "synth", "arp", + "pluck", "oneshot", "fill", +} + + +def log(msg: str) -> None: + print(msg, flush=True) + + +def create_directories() -> None: + """Create libreria/samples/ with all role subdirectories.""" + SAMPLES_ROOT.mkdir(parents=True, exist_ok=True) + for role in ROLES: + (SAMPLES_ROOT / role).mkdir(exist_ok=True) + log(f"[OK] Created directories under {SAMPLES_ROOT}") + + +def load_index() -> dict: + """Load sample index.""" + with open(INDEX_PATH, "r", encoding="utf-8") as f: + return json.load(f) + + +def save_index(data: dict) -> None: + """Write updated index atomically.""" + temp_path = INDEX_PATH.with_suffix(".json.tmp") + with open(temp_path, "w", encoding="utf-8") as f: + json.dump(data, f, indent=2, ensure_ascii=False) + temp_path.replace(INDEX_PATH) + + +def backup_index() -> None: + """Create backup of original index.""" + if not BACKUP_PATH.exists(): + shutil.copy2(INDEX_PATH, BACKUP_PATH) + log(f"[OK] Backed up index to {BACKUP_PATH}") + else: + log(f"[WARN] Backup already exists at {BACKUP_PATH}, skipping") + + +def migrate_samples(data: dict, dry_run: bool = False) -> tuple[list[dict], list[dict], dict]: + """Migrate all samples. + + Args: + data: The loaded index data dict (will be modified in-place) + + Returns: + (migrated list, error list, role_counts) + """ + samples = data["samples"] + + migrated: list[dict] = [] + errors: list[dict] = [] + + total = len(samples) + log(f"Starting migration of {total} samples...") + + for idx, sample in enumerate(samples): + if idx > 0 and idx % 100 == 0: + log(f" Progress: {idx}/{total} ({100*idx/total:.1f}%)") + + role = sample.get("role", "unknown") + if role not in ROLES: + errors.append({ + "sample": sample.get("original_name", "unknown"), + "error": f"Unknown role: {role}", + }) + continue + + original_path = Path(sample["original_path"]) + new_name = sample.get("new_name") + if not new_name: + errors.append({ + "sample": sample.get("original_name", "unknown"), + "error": "No new_name in index", + }) + continue + + dest_path = SAMPLES_ROOT / role / new_name + + if dry_run: + migrated.append({ + "original": str(original_path), + "destination": str(dest_path), + "role": role, + }) + else: + try: + if not original_path.exists(): + errors.append({ + "sample": sample.get("original_name", "unknown"), + "original_path": str(original_path), + "error": "Source file not found", + }) + continue + + # COPY (not move) to preserve originals + shutil.copy2(original_path, dest_path) + + # Update index fields IN-PLACE (modifies data dict) + sample["migrated_from"] = sample["original_path"] + sample["original_path"] = str(dest_path) + sample["original_name"] = new_name + + migrated.append({ + "original": str(original_path), + "destination": str(dest_path), + "role": role, + "new_name": new_name, + }) + except Exception as e: + errors.append({ + "sample": sample.get("original_name", "unknown"), + "original_path": str(original_path), + "error": str(e), + }) + + # Compute role counts + role_counts: dict[str, int] = {} + for m in migrated: + role = m.get("role", "unknown") + role_counts[role] = role_counts.get(role, 0) + 1 + + return migrated, errors, role_counts + + +def write_log(role_counts: dict[str, int], migrated: list[dict], errors: list[dict]) -> None: + """Write migration log.""" + log_data = { + "timestamp": datetime.now(timezone.utc).isoformat(), + "total_samples": len(migrated) + len(errors), + "migrated_count": len(migrated), + "error_count": len(errors), + "role_counts": role_counts, + "migrated_sample": migrated[:10], # First 10 as sample + "errors": errors, + } + + LOG_PATH.parent.mkdir(parents=True, exist_ok=True) + with open(LOG_PATH, "w", encoding="utf-8") as f: + json.dump(log_data, f, indent=2, ensure_ascii=False) + log(f"[OK] Migration log written to {LOG_PATH}") + + +def verify_migration(migrated: list[dict]) -> list[dict]: + """Verify all migrated files exist.""" + missing: list[dict] = [] + for m in migrated: + dest = Path(m["destination"]) + if not dest.exists(): + missing.append(m) + return missing + + +def run_migration(dry_run: bool = False, verify: bool = True) -> int: + """Execute full migration. + + Returns: + 0 on success, 1 on errors + """ + log("=" * 60) + log("SAMPLE LIBRARY MIGRATION") + log("=" * 60) + log(f"Mode: {'DRY RUN' if dry_run else 'LIVE'}") + log(f"Index: {INDEX_PATH}") + log(f"Backup: {BACKUP_PATH}") + log(f"Target: {SAMPLES_ROOT}") + log("") + + # Phase 1: Setup + log("[PHASE 1] Creating directories...") + create_directories() + backup_index() + + # Load index once + data = load_index() + + # Phase 2: Migrate + log("") + log("[PHASE 2] Migrating samples...") + migrated, errors, role_counts = migrate_samples(data, dry_run=dry_run) + + log("") + log(f" Migrated: {len(migrated)} samples") + if errors: + log(f" Errors: {len(errors)} samples") + for e in errors[:5]: + log(f" - {e.get('sample', 'unknown')}: {e.get('error', 'unknown error')}") + + if dry_run: + log("") + log("[DRY RUN] No files were copied. Showing first 5 destinations:") + for m in migrated[:5]: + log(f" {m['original']} -> {m['destination']}") + return 0 if not errors else 1 + + # Phase 3: Write updated index (data already modified in-place by migrate_samples) + log("") + log("[PHASE 3] Writing updated index...") + save_index(data) + + # Phase 4: Write log and verify + log("") + log("[PHASE 4] Writing migration log...") + write_log(role_counts, migrated, errors) + + if verify: + log("") + log("[PHASE 5] Verifying migration...") + missing = verify_migration(migrated) + if missing: + log(f"[ERROR] {len(missing)} migrated files are missing!") + for m in missing[:5]: + log(f" - {m['destination']}") + return 1 + else: + log(f"[OK] All {len(migrated)} migrated files verified") + + log("") + log("=" * 60) + log("MIGRATION COMPLETE") + log(f"Migrated: {len(migrated)} samples") + log(f"Errors: {len(errors)} samples") + log("=" * 60) + + # Print role breakdown + log("") + log("Sample count per role:") + for role, count in sorted(role_counts.items()): + log(f" {role}: {count}") + + return 0 if not errors else 1 + + +def main() -> int: + import argparse + parser = argparse.ArgumentParser(description="Migrate sample library to new structure") + parser.add_argument("--dry-run", action="store_true", help="Show what would be done without copying") + parser.add_argument("--verify", action="store_true", default=True, help="Verify migrated files exist") + parser.add_argument("--no-verify", dest="verify", action="store_false", help="Skip verification") + args = parser.parse_args() + + return run_migration(dry_run=args.dry_run, verify=args.verify) + + +if __name__ == "__main__": + sys.exit(main()) \ No newline at end of file diff --git a/scripts/migration_log.json b/scripts/migration_log.json new file mode 100644 index 0000000..773fac5 --- /dev/null +++ b/scripts/migration_log.json @@ -0,0 +1,89 @@ +{ + "timestamp": "2026-05-03T17:39:20.050855+00:00", + "total_samples": 862, + "migrated_count": 862, + "error_count": 0, + "role_counts": { + "guitar": 10, + "lead": 58, + "pluck": 97, + "brass": 12, + "keys": 65, + "pad": 57, + "synth": 22, + "drumloop": 128, + "vocal": 134, + "bass": 59, + "arp": 12, + "fx": 57, + "oneshot": 6, + "perc": 22, + "snare": 54, + "hihat": 18, + "kick": 42, + "fill": 9 + }, + "migrated_sample": [ + { + "original": "C:\\Users\\Administrator\\Documents\\fl_control\\libreria\\reggaeton\\SentimientoLatino2025\\01\\LATINOS - 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ONE SHOTS\\Midilatino_KEY_Profundo_C.wav", + "destination": "C:\\Users\\Administrator\\Documents\\fl_control\\libreria\\samples\\keys\\keys_C4_126_deep_947173.wav", + "role": "keys", + "new_name": "keys_C4_126_deep_947173.wav" + } + ], + "errors": [] +} \ No newline at end of file diff --git a/src/selector/__init__.py b/src/selector/__init__.py index 5a2f59a..55deb23 100644 --- a/src/selector/__init__.py +++ b/src/selector/__init__.py @@ -328,3 +328,51 @@ class SampleSelector: if not results: return None return random.choice(results).sample + + def select_diverse( + self, + role: str, + n: int = 1, + exclude: Optional[list[str]] = None, + **kwargs, + ) -> list[dict]: + """Return n different samples for role, excluding known IDs. + + Uses randomized scoring to ensure diversity across calls. + Returns fewer than n if not enough candidates available after exclusion. + + Args: + role: Required. Production role (kick, bass, lead, etc.) + n: Number of different samples to return + exclude: List of sample IDs (file_hash) to exclude from results + **kwargs: Passed to select() (key, bpm, character, etc.) + + Returns: + List of sample dicts (length <= n, never includes excluded IDs) + """ + import random + + exclude = exclude or [] + results: list[dict] = [] + + # Keep trying until we have n samples or run out of candidates + remaining = self.select(role=role, limit=100, **kwargs) # Get enough candidates + + for match in remaining: + sample = match.sample + sample_id = sample.get("file_hash", "") + + if sample_id in exclude: + continue + + # Add small random noise to score for diversity + # This way repeated calls with same params can return different results + scored_sample = (match.score + random.uniform(-0.05, 0.05), sample) + results.append(scored_sample) + + if len(results) >= n: + break + + # Sort by randomized score (descending) and extract samples + results.sort(key=lambda x: x[0], reverse=True) + return [sample for _, sample in results[:n]]