kohya_ss/kohya_gui/class_sample_images.py

134 lines
4.1 KiB
Python

import os
import gradio as gr
from easygui import msgbox
from .custom_logging import setup_logging
# Set up logging
log = setup_logging()
folder_symbol = '\U0001f4c2' # 📂
refresh_symbol = '\U0001f504' # 🔄
save_style_symbol = '\U0001f4be' # 💾
document_symbol = '\U0001F4C4' # 📄
###
### Gradio common sampler GUI section
###
def run_cmd_sample(
sample_every_n_steps,
sample_every_n_epochs,
sample_sampler,
sample_prompts,
output_dir,
):
"""
Generates a command string for sampling images during training.
Args:
sample_every_n_steps (int): The number of steps after which to sample images.
sample_every_n_epochs (int): The number of epochs after which to sample images.
sample_sampler (str): The sampler to use for image sampling.
sample_prompts (str): The prompts to use for image sampling.
output_dir (str): The directory where the output images will be saved.
Returns:
str: The command string for sampling images.
"""
output_dir = os.path.join(output_dir, 'sample')
os.makedirs(output_dir, exist_ok=True)
run_cmd = ''
if sample_every_n_epochs is None:
sample_every_n_epochs = 0
if sample_every_n_steps is None:
sample_every_n_steps = 0
if sample_every_n_epochs == sample_every_n_steps == 0:
return run_cmd
# Create the prompt file and get its path
sample_prompts_path = os.path.join(output_dir, 'prompt.txt')
with open(sample_prompts_path, 'w') as f:
f.write(sample_prompts)
run_cmd += f' --sample_sampler={sample_sampler}'
run_cmd += f' --sample_prompts="{sample_prompts_path}"'
if sample_every_n_epochs != 0:
run_cmd += f' --sample_every_n_epochs={sample_every_n_epochs}'
if sample_every_n_steps != 0:
run_cmd += f' --sample_every_n_steps={sample_every_n_steps}'
return run_cmd
class SampleImages:
"""
A class for managing the Gradio interface for sampling images during training.
"""
def __init__(
self,
):
"""
Initializes the SampleImages class.
"""
self.initialize_accordion()
def initialize_accordion(self):
"""
Initializes the accordion for the Gradio interface.
"""
with gr.Row():
self.sample_every_n_steps = gr.Number(
label='Sample every n steps',
value=0,
precision=0,
interactive=True,
)
self.sample_every_n_epochs = gr.Number(
label='Sample every n epochs',
value=0,
precision=0,
interactive=True,
)
self.sample_sampler = gr.Dropdown(
label='Sample sampler',
choices=[
'ddim',
'pndm',
'lms',
'euler',
'euler_a',
'heun',
'dpm_2',
'dpm_2_a',
'dpmsolver',
'dpmsolver++',
'dpmsingle',
'k_lms',
'k_euler',
'k_euler_a',
'k_dpm_2',
'k_dpm_2_a',
],
value='euler_a',
interactive=True,
)
with gr.Row():
self.sample_prompts = gr.Textbox(
lines=5,
label='Sample prompts',
interactive=True,
placeholder='masterpiece, best quality, 1girl, in white shirts, upper body, looking at viewer, simple background --n low quality, worst quality, bad anatomy,bad composition, poor, low effort --w 768 --h 768 --d 1 --l 7.5 --s 28',
info='Enter one sample prompt per line to generate multiple samples per cycle. Optional specifiers include: --w (width), --h (height), --d (seed), --l (cfg scale), --s (sampler steps) and --n (negative prompt). To modify sample prompts during training, edit the prompt.txt file in the samples directory.',
)