Improve argument handling (#209)

Author: a-r-r-o-w

finetrainers/args.py

@@ -455,7 +455,7 @@ def _add_model_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--pretrained_model_name_or_path",
         type=str,
-        default=None,
+        required=True,
         help="Path to pretrained model or model identifier from huggingface.co/models.",
     )
     parser.add_argument(
@@ -505,7 +505,7 @@ def parse_video_resolution_bucket(resolution_bucket: str) -> Tuple[int, int, int
     parser.add_argument(
         "--data_root",
         type=str,
-        default=None,
+        required=True,
         help=("A folder containing the training data."),
     )
     parser.add_argument(
@@ -632,19 +632,19 @@ def _add_diffusion_arguments(parser: argparse.ArgumentParser) -> None:
         type=str,
         default="none",
         choices=["sigma_sqrt", "logit_normal", "mode", "cosmap", "none"],
-        help=('We default to the "none" weighting scheme for uniform sampling and uniform loss'),
+        help='We default to the "none" weighting scheme for uniform sampling and uniform loss',
     )
     parser.add_argument(
         "--flow_logit_mean",
         type=float,
         default=0.0,
-        help="mean to use when using the `'logit_normal'` weighting scheme.",
+        help="Mean to use when using the `'logit_normal'` weighting scheme.",
     )
     parser.add_argument(
         "--flow_logit_std",
         type=float,
         default=1.0,
-        help="std to use when using the `'logit_normal'` weighting scheme.",
+        help="Standard deviation to use when using the `'logit_normal'` weighting scheme.",
     )
     parser.add_argument(
         "--flow_mode_scale",
@@ -659,7 +659,7 @@ def _add_training_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--training_type",
         type=str,
-        default=None,
+        required=True,
         help="Type of training to perform. Choose between ['lora']",
     )
     parser.add_argument("--seed", type=int, default=None, help="A seed for reproducible training.")
@@ -676,10 +676,10 @@ def _add_training_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--batch_size",
         type=int,
-        default=4,
+        default=1,
         help="Batch size (per device) for the training dataloader.",
     )
-    parser.add_argument("--train_epochs", type=int, default=1)
+    parser.add_argument("--train_epochs", type=int, default=1, help="Number of training epochs.")
     parser.add_argument(
         "--train_steps",
         type=int,
@@ -735,13 +735,11 @@ def _add_training_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--enable_slicing",
         action="store_true",
-        default=False,
         help="Whether or not to use VAE slicing for saving memory.",
     )
     parser.add_argument(
         "--enable_tiling",
         action="store_true",
-        default=False,
         help="Whether or not to use VAE tiling for saving memory.",
     )
 
@@ -756,7 +754,6 @@ def _add_optimizer_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--scale_lr",
         action="store_true",
-        default=False,
         help="Scale the learning rate by the number of GPUs, gradient accumulation steps, and batch size.",
     )
     parser.add_argument(
@@ -877,7 +874,6 @@ def _add_validation_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--enable_model_cpu_offload",
         action="store_true",
-        default=False,
         help="Whether or not to enable model-wise CPU offloading when performing validation/testing to save memory.",
     )
 
@@ -904,7 +900,7 @@ def _add_miscellaneous_arguments(parser: argparse.ArgumentParser) -> None:
     parser.add_argument(
         "--output_dir",
         type=str,
-        default="finetrainer-training",
+        default="finetrainers-training",
         help="The output directory where the model predictions and checkpoints will be written.",
     )
     parser.add_argument(
@@ -931,10 +927,8 @@ def _add_miscellaneous_arguments(parser: argparse.ArgumentParser) -> None:
         "--report_to",
         type=str,
         default="none",
-        help=(
-            'The integration to report the results and logs to. Supported platforms are `"tensorboard"`'
-            ' (default), `"wandb"` and `"comet_ml"`. Use `"all"` to report to all integrations.'
-        ),
+        choices=["none", "wandb"],
+        help="The integration to report the results and logs to.",
     )