pre-commit update and formatting

.gitignore

@@ -7,8 +7,6 @@ ckpts/
 wandb/
 results/
 
-
-
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

.pre-commit-config.yaml

@@ -1,7 +1,7 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: v0.7.0
+    rev: v0.11.2
     hooks:
       # Run the linter.
       - id: ruff
@@ -9,6 +9,6 @@ repos:
       # Run the formatter.
       - id: ruff-format
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v2.3.0
+    rev: v5.0.0
     hooks:
       - id: check-yaml

Dockerfile

@@ -23,9 +23,8 @@ RUN git clone https://github.com/SWivid/F5-TTS.git \
 
 ENV SHELL=/bin/bash
 
-# models are downloaded into this folder, so user should mount it
 VOLUME /root/.cache/huggingface/hub/
-# port the GUI is exposed on by default, if it is run
+
 EXPOSE 7860
 
 WORKDIR /workspace/F5-TTS

README.md

@@ -203,7 +203,7 @@ Read [training & finetuning guidance](src/f5_tts/train) for more instructions.
 
 ## Development
 
-Use pre-commit to ensure code quality (will run linters and formatters automatically)
+Use pre-commit to ensure code quality (will run linters and formatters automatically):
 
 ```bash
 pip install pre-commit
@@ -216,7 +216,7 @@ When making a pull request, before each commit, run:
 pre-commit run --all-files
 ```
 
-Note: Some model components have linting exceptions for E722 to accommodate tensor notation
+Note: Some model components have linting exceptions for E722 to accommodate tensor notation.
 
 
 ## Acknowledgements

ckpts/README.md

@@ -1,12 +1,3 @@
+The pretrained model checkpoints can be reached at https://huggingface.co/SWivid/F5-TTS.
 
-Pretrained model ckpts. https://huggingface.co/SWivid/F5-TTS
+Scripts will automatically pull model checkpoints from Huggingface, by default to `~/.cache/huggingface/hub/`.
-
-```
-ckpts/
-    F5TTS_v1_Base/
-        model_1250000.safetensors
-    F5TTS_Base/
-        model_1200000.safetensors
-    E2TTS_Base/
-        model_1200000.safetensors
-```

src/f5_tts/api.py

@@ -5,6 +5,7 @@ from importlib.resources import files
 import soundfile as sf
 import tqdm
 from cached_path import cached_path
+from hydra.utils import get_class
 from omegaconf import OmegaConf
 
 from f5_tts.infer.utils_infer import (
@@ -16,7 +17,6 @@ from f5_tts.infer.utils_infer import (
     remove_silence_for_generated_wav,
     save_spectrogram,
 )
-from f5_tts.model import DiT, UNetT  # noqa: F401. used for config
 from f5_tts.model.utils import seed_everything
 
 
@@ -33,7 +33,7 @@ class F5TTS:
         hf_cache_dir=None,
     ):
         model_cfg = OmegaConf.load(str(files("f5_tts").joinpath(f"configs/{model}.yaml")))
-        model_cls = globals()[model_cfg.model.backbone]
+        model_cls = get_class(f"f5_tts.model.{model_cfg.model.backbone}")
         model_arc = model_cfg.model.arch
 
         self.mel_spec_type = model_cfg.model.mel_spec.mel_spec_type

src/f5_tts/eval/eval_infer_batch.py

@@ -10,6 +10,7 @@ from importlib.resources import files
 import torch
 import torchaudio
 from accelerate import Accelerator
+from hydra.utils import get_class
 from omegaconf import OmegaConf
 from tqdm import tqdm
 
@@ -19,7 +20,7 @@ from f5_tts.eval.utils_eval import (
     get_seedtts_testset_metainfo,
 )
 from f5_tts.infer.utils_infer import load_checkpoint, load_vocoder
-from f5_tts.model import CFM, DiT, UNetT  # noqa: F401. used for config
+from f5_tts.model import CFM
 from f5_tts.model.utils import get_tokenizer
 
 accelerator = Accelerator()
@@ -65,7 +66,7 @@ def main():
     no_ref_audio = False
 
     model_cfg = OmegaConf.load(str(files("f5_tts").joinpath(f"configs/{exp_name}.yaml")))
-    model_cls = globals()[model_cfg.model.backbone]
+    model_cls = get_class(f"f5_tts.model.{model_cfg.model.backbone}")
     model_arc = model_cfg.model.arch
 
     dataset_name = model_cfg.datasets.name
@@ -195,7 +196,7 @@ def main():
     accelerator.wait_for_everyone()
     if accelerator.is_main_process:
         timediff = time.time() - start
-        print(f"Done batch inference in {timediff / 60 :.2f} minutes.")
+        print(f"Done batch inference in {timediff / 60:.2f} minutes.")
 
 
 if __name__ == "__main__":

src/f5_tts/eval/utils_eval.py

@@ -148,9 +148,9 @@ def get_inference_prompt(
 
         # deal with batch
         assert infer_batch_size > 0, "infer_batch_size should be greater than 0."
-        assert (
+        assert min_tokens <= total_mel_len <= max_tokens, (
-            min_tokens <= total_mel_len <= max_tokens
+            f"Audio {utt} has duration {total_mel_len * hop_length // target_sample_rate}s out of range [{min_secs}, {max_secs}]."
-        ), f"Audio {utt} has duration {total_mel_len*hop_length//target_sample_rate}s out of range [{min_secs}, {max_secs}]."
+        )
         bucket_i = math.floor((total_mel_len - min_tokens) / (max_tokens - min_tokens + 1) * num_buckets)
 
         utts[bucket_i].append(utt)

src/f5_tts/infer/infer_cli.py

@@ -10,6 +10,7 @@ import numpy as np
 import soundfile as sf
 import tomli
 from cached_path import cached_path
+from hydra.utils import get_class
 from omegaconf import OmegaConf
 
 from f5_tts.infer.utils_infer import (
@@ -27,7 +28,6 @@ from f5_tts.infer.utils_infer import (
     preprocess_ref_audio_text,
     remove_silence_for_generated_wav,
 )
-from f5_tts.model import DiT, UNetT  # noqa: F401. used for config
 
 
 parser = argparse.ArgumentParser(
@@ -246,13 +246,14 @@ vocoder = load_vocoder(vocoder_name=vocoder_name, is_local=load_vocoder_from_loc
 
 model_cfg = OmegaConf.load(
     args.model_cfg or config.get("model_cfg", str(files("f5_tts").joinpath(f"configs/{model}.yaml")))
-).model
+)
-model_cls = globals()[model_cfg.backbone]
+model_cls = get_class(f"f5_tts.model.{model_cfg.model.backbone}")
+model_arc = model_cfg.model.arch
 
 repo_name, ckpt_step, ckpt_type = "F5-TTS", 1250000, "safetensors"
 
 if model != "F5TTS_Base":
-    assert vocoder_name == model_cfg.mel_spec.mel_spec_type
+    assert vocoder_name == model_cfg.model.mel_spec.mel_spec_type
 
 # override for previous models
 if model == "F5TTS_Base":
@@ -269,7 +270,7 @@ if not ckpt_file:
     ckpt_file = str(cached_path(f"hf://SWivid/{repo_name}/{model}/model_{ckpt_step}.{ckpt_type}"))
 
 print(f"Using {model}...")
-ema_model = load_model(model_cls, model_cfg.arch, ckpt_file, mel_spec_type=vocoder_name, vocab_file=vocab_file)
+ema_model = load_model(model_cls, model_arc, ckpt_file, mel_spec_type=vocoder_name, vocab_file=vocab_file)
 
 
 # inference process
@@ -332,7 +333,7 @@ def main():
             if len(gen_text_) > 200:
                 gen_text_ = gen_text_[:200] + " ... "
             sf.write(
-                os.path.join(output_chunk_dir, f"{len(generated_audio_segments)-1}_{gen_text_}.wav"),
+                os.path.join(output_chunk_dir, f"{len(generated_audio_segments) - 1}_{gen_text_}.wav"),
                 audio_segment,
                 final_sample_rate,
             )

src/f5_tts/infer/speech_edit.py

@@ -7,10 +7,11 @@ from importlib.resources import files
 import torch
 import torch.nn.functional as F
 import torchaudio
+from hydra.utils import get_class
 from omegaconf import OmegaConf
 
 from f5_tts.infer.utils_infer import load_checkpoint, load_vocoder, save_spectrogram
-from f5_tts.model import CFM, DiT, UNetT  # noqa: F401. used for config
+from f5_tts.model import CFM
 from f5_tts.model.utils import convert_char_to_pinyin, get_tokenizer
 
 device = (
@@ -40,7 +41,7 @@ target_rms = 0.1
 
 
 model_cfg = OmegaConf.load(str(files("f5_tts").joinpath(f"configs/{exp_name}.yaml")))
-model_cls = globals()[model_cfg.model.backbone]
+model_cls = get_class(f"f5_tts.model.{model_cfg.model.backbone}")
 model_arc = model_cfg.model.arch
 
 dataset_name = model_cfg.datasets.name

src/f5_tts/model/trainer.py

@@ -350,7 +350,7 @@ class Trainer:
 
             progress_bar = tqdm(
                 range(math.ceil(len(train_dataloader) / self.grad_accumulation_steps)),
-                desc=f"Epoch {epoch+1}/{self.epochs}",
+                desc=f"Epoch {epoch + 1}/{self.epochs}",
                 unit="update",
                 disable=not self.accelerator.is_local_main_process,
                 initial=progress_bar_initial,

src/f5_tts/scripts/count_max_epoch.py

@@ -24,7 +24,7 @@ updates_per_epoch = total_hours / mini_batch_hours
 
 # result
 epochs = wanted_max_updates / updates_per_epoch
-print(f"epochs should be set to: {epochs:.0f} ({epochs/grad_accum:.1f} x gd_acum {grad_accum})")
+print(f"epochs should be set to: {epochs:.0f} ({epochs / grad_accum:.1f} x gd_acum {grad_accum})")
 print(f"progress_bar should show approx. 0/{updates_per_epoch:.0f} updates")
 # print(f"                      or approx. 0/{steps_per_epoch:.0f} steps")
 

src/f5_tts/socket_server.py

@@ -13,9 +13,9 @@ from importlib.resources import files
 import torch
 import torchaudio
 from huggingface_hub import hf_hub_download
+from hydra.utils import get_class
 from omegaconf import OmegaConf
 
-from f5_tts.model.backbones.dit import DiT  # noqa: F401. used for config
 from f5_tts.infer.utils_infer import (
     chunk_text,
     preprocess_ref_audio_text,
@@ -80,7 +80,7 @@ class TTSStreamingProcessor:
             else "cpu"
         )
         model_cfg = OmegaConf.load(str(files("f5_tts").joinpath(f"configs/{model}.yaml")))
-        self.model_cls = globals()[model_cfg.model.backbone]
+        self.model_cls = get_class(f"f5_tts.model.{model_cfg.model.backbone}")
         self.model_arc = model_cfg.model.arch
         self.mel_spec_type = model_cfg.model.mel_spec.mel_spec_type
         self.sampling_rate = model_cfg.model.mel_spec.target_sample_rate

src/f5_tts/train/datasets/prepare_csv_wavs.py

@@ -122,7 +122,7 @@ def prepare_csv_wavs_dir(input_dir, num_workers=None):
                 for future in tqdm(
                     chunk_futures,
                     total=len(chunk),
-                    desc=f"Processing chunk {i//CHUNK_SIZE + 1}/{(total_files + CHUNK_SIZE - 1)//CHUNK_SIZE}",
+                    desc=f"Processing chunk {i // CHUNK_SIZE + 1}/{(total_files + CHUNK_SIZE - 1) // CHUNK_SIZE}",
                 ):
                     try:
                         result = future.result()
@@ -233,7 +233,7 @@ def save_prepped_dataset(out_dir, result, duration_list, text_vocab_set, is_fine
     dataset_name = out_dir.stem
     print(f"\nFor {dataset_name}, sample count: {len(result)}")
     print(f"For {dataset_name}, vocab size is: {len(text_vocab_set)}")
-    print(f"For {dataset_name}, total {sum(duration_list)/3600:.2f} hours")
+    print(f"For {dataset_name}, total {sum(duration_list) / 3600:.2f} hours")
 
 
 def prepare_and_save_set(inp_dir, out_dir, is_finetune: bool = True, num_workers: int = None):

src/f5_tts/train/datasets/prepare_emilia.py

@@ -198,7 +198,7 @@ def main():
 
     print(f"\nFor {dataset_name}, sample count: {len(result)}")
     print(f"For {dataset_name}, vocab size is: {len(text_vocab_set)}")
-    print(f"For {dataset_name}, total {sum(duration_list)/3600:.2f} hours")
+    print(f"For {dataset_name}, total {sum(duration_list) / 3600:.2f} hours")
     if "ZH" in langs:
         print(f"Bad zh transcription case: {total_bad_case_zh}")
     if "EN" in langs:

src/f5_tts/train/datasets/prepare_libritts.py

@@ -72,7 +72,7 @@ def main():
 
     print(f"\nFor {dataset_name}, sample count: {len(result)}")
     print(f"For {dataset_name}, vocab size is: {len(text_vocab_set)}")
-    print(f"For {dataset_name}, total {sum(duration_list)/3600:.2f} hours")
+    print(f"For {dataset_name}, total {sum(duration_list) / 3600:.2f} hours")
 
 
 if __name__ == "__main__":

src/f5_tts/train/datasets/prepare_ljspeech.py

@@ -50,7 +50,7 @@ def main():
 
     print(f"\nFor {dataset_name}, sample count: {len(result)}")
     print(f"For {dataset_name}, vocab size is: {len(text_vocab_set)}")
-    print(f"For {dataset_name}, total {sum(duration_list)/3600:.2f} hours")
+    print(f"For {dataset_name}, total {sum(duration_list) / 3600:.2f} hours")
 
 
 if __name__ == "__main__":

src/f5_tts/train/train.py

@@ -6,7 +6,7 @@ from importlib.resources import files
 import hydra
 from omegaconf import OmegaConf
 
-from f5_tts.model import CFM, DiT, UNetT, Trainer  # noqa: F401. used for config
+from f5_tts.model import CFM, Trainer
 from f5_tts.model.dataset import load_dataset
 from f5_tts.model.utils import get_tokenizer
 
@@ -14,60 +14,60 @@ os.chdir(str(files("f5_tts").joinpath("../..")))  # change working directory to
 
 
 @hydra.main(version_base="1.3", config_path=str(files("f5_tts").joinpath("configs")), config_name=None)
-def main(cfg):
+def main(model_cfg):
-    model_cls = globals()[cfg.model.backbone]
+    model_cls = hydra.utils.get_class(f"f5_tts.model.{model_cfg.model.backbone}")
-    model_arc = cfg.model.arch
+    model_arc = model_cfg.model.arch
-    tokenizer = cfg.model.tokenizer
+    tokenizer = model_cfg.model.tokenizer
-    mel_spec_type = cfg.model.mel_spec.mel_spec_type
+    mel_spec_type = model_cfg.model.mel_spec.mel_spec_type
 
-    exp_name = f"{cfg.model.name}_{mel_spec_type}_{cfg.model.tokenizer}_{cfg.datasets.name}"
+    exp_name = f"{model_cfg.model.name}_{mel_spec_type}_{model_cfg.model.tokenizer}_{model_cfg.datasets.name}"
     wandb_resume_id = None
 
     # set text tokenizer
     if tokenizer != "custom":
-        tokenizer_path = cfg.datasets.name
+        tokenizer_path = model_cfg.datasets.name
     else:
-        tokenizer_path = cfg.model.tokenizer_path
+        tokenizer_path = model_cfg.model.tokenizer_path
     vocab_char_map, vocab_size = get_tokenizer(tokenizer_path, tokenizer)
 
     # set model
     model = CFM(
-        transformer=model_cls(**model_arc, text_num_embeds=vocab_size, mel_dim=cfg.model.mel_spec.n_mel_channels),
+        transformer=model_cls(**model_arc, text_num_embeds=vocab_size, mel_dim=model_cfg.model.mel_spec.n_mel_channels),
-        mel_spec_kwargs=cfg.model.mel_spec,
+        mel_spec_kwargs=model_cfg.model.mel_spec,
         vocab_char_map=vocab_char_map,
     )
 
     # init trainer
     trainer = Trainer(
         model,
-        epochs=cfg.optim.epochs,
+        epochs=model_cfg.optim.epochs,
-        learning_rate=cfg.optim.learning_rate,
+        learning_rate=model_cfg.optim.learning_rate,
-        num_warmup_updates=cfg.optim.num_warmup_updates,
+        num_warmup_updates=model_cfg.optim.num_warmup_updates,
-        save_per_updates=cfg.ckpts.save_per_updates,
+        save_per_updates=model_cfg.ckpts.save_per_updates,
-        keep_last_n_checkpoints=cfg.ckpts.keep_last_n_checkpoints,
+        keep_last_n_checkpoints=model_cfg.ckpts.keep_last_n_checkpoints,
-        checkpoint_path=str(files("f5_tts").joinpath(f"../../{cfg.ckpts.save_dir}")),
+        checkpoint_path=str(files("f5_tts").joinpath(f"../../{model_cfg.ckpts.save_dir}")),
-        batch_size_per_gpu=cfg.datasets.batch_size_per_gpu,
+        batch_size_per_gpu=model_cfg.datasets.batch_size_per_gpu,
-        batch_size_type=cfg.datasets.batch_size_type,
+        batch_size_type=model_cfg.datasets.batch_size_type,
-        max_samples=cfg.datasets.max_samples,
+        max_samples=model_cfg.datasets.max_samples,
-        grad_accumulation_steps=cfg.optim.grad_accumulation_steps,
+        grad_accumulation_steps=model_cfg.optim.grad_accumulation_steps,
-        max_grad_norm=cfg.optim.max_grad_norm,
+        max_grad_norm=model_cfg.optim.max_grad_norm,
-        logger=cfg.ckpts.logger,
+        logger=model_cfg.ckpts.logger,
         wandb_project="CFM-TTS",
         wandb_run_name=exp_name,
         wandb_resume_id=wandb_resume_id,
-        last_per_updates=cfg.ckpts.last_per_updates,
+        last_per_updates=model_cfg.ckpts.last_per_updates,
-        log_samples=cfg.ckpts.log_samples,
+        log_samples=model_cfg.ckpts.log_samples,
-        bnb_optimizer=cfg.optim.bnb_optimizer,
+        bnb_optimizer=model_cfg.optim.bnb_optimizer,
         mel_spec_type=mel_spec_type,
-        is_local_vocoder=cfg.model.vocoder.is_local,
+        is_local_vocoder=model_cfg.model.vocoder.is_local,
-        local_vocoder_path=cfg.model.vocoder.local_path,
+        local_vocoder_path=model_cfg.model.vocoder.local_path,
-        cfg_dict=OmegaConf.to_container(cfg, resolve=True),
+        model_cfg_dict=OmegaConf.to_container(model_cfg, resolve=True),
     )
 
-    train_dataset = load_dataset(cfg.datasets.name, tokenizer, mel_spec_kwargs=cfg.model.mel_spec)
+    train_dataset = load_dataset(model_cfg.datasets.name, tokenizer, mel_spec_kwargs=model_cfg.model.mel_spec)
     trainer.train(
         train_dataset,
-        num_workers=cfg.datasets.num_workers,
+        num_workers=model_cfg.datasets.num_workers,
         resumable_with_seed=666,  # seed for shuffling dataset
     )