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Merge pull request #5999 from vladmandic/trainapi

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implement train api
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AUTOMATIC1111 2022-12-25 09:11:42 +03:00 committed by GitHub
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4 changed files with 132 additions and 28 deletions
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94
modules/api/api.py
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@ -10,13 +10,17 @@ from fastapi.security import HTTPBasic, HTTPBasicCredentials
from secrets import compare_digest
import modules.shared as shared
from modules import sd_samplers, deepbooru
from modules import sd_samplers, deepbooru, sd_hijack
from modules.api.models import *
from modules.processing import StableDiffusionProcessingTxt2Img, StableDiffusionProcessingImg2Img, process_images
from modules.extras import run_extras, run_pnginfo
from modules.textual_inversion.textual_inversion import create_embedding, train_embedding
from modules.textual_inversion.preprocess import preprocess
from modules.hypernetworks.hypernetwork import create_hypernetwork, train_hypernetwork
from PIL import PngImagePlugin,Image
from modules.sd_models import checkpoints_list
from modules.realesrgan_model import get_realesrgan_models
from modules import devices
from typing import List
def upscaler_to_index(name: str):
@ -97,6 +101,11 @@ class Api:
self.add_api_route("/sdapi/v1/artist-categories", self.get_artists_categories, methods=["GET"], response_model=List[str])
self.add_api_route("/sdapi/v1/artists", self.get_artists, methods=["GET"], response_model=List[ArtistItem])
self.add_api_route("/sdapi/v1/refresh-checkpoints", self.refresh_checkpoints, methods=["POST"])
self.add_api_route("/sdapi/v1/create/embedding", self.create_embedding, methods=["POST"], response_model=CreateResponse)
self.add_api_route("/sdapi/v1/create/hypernetwork", self.create_hypernetwork, methods=["POST"], response_model=CreateResponse)
self.add_api_route("/sdapi/v1/preprocess", self.preprocess, methods=["POST"], response_model=PreprocessResponse)
self.add_api_route("/sdapi/v1/train/embedding", self.train_embedding, methods=["POST"], response_model=TrainResponse)
self.add_api_route("/sdapi/v1/train/hypernetwork", self.train_hypernetwork, methods=["POST"], response_model=TrainResponse)
def add_api_route(self, path: str, endpoint, **kwargs):
if shared.cmd_opts.api_auth:
@ -326,6 +335,89 @@ class Api:
def refresh_checkpoints(self):
shared.refresh_checkpoints()
def create_embedding(self, args: dict):
try:
shared.state.begin()
filename = create_embedding(**args) # create empty embedding
sd_hijack.model_hijack.embedding_db.load_textual_inversion_embeddings() # reload embeddings so new one can be immediately used
shared.state.end()
return CreateResponse(info = "create embedding filename: {filename}".format(filename = filename))
except AssertionError as e:
shared.state.end()
return TrainResponse(info = "create embedding error: {error}".format(error = e))
def create_hypernetwork(self, args: dict):
try:
shared.state.begin()
filename = create_hypernetwork(**args) # create empty embedding
shared.state.end()
return CreateResponse(info = "create hypernetwork filename: {filename}".format(filename = filename))
except AssertionError as e:
shared.state.end()
return TrainResponse(info = "create hypernetwork error: {error}".format(error = e))
def preprocess(self, args: dict):
try:
shared.state.begin()
preprocess(**args) # quick operation unless blip/booru interrogation is enabled
shared.state.end()
return PreprocessResponse(info = 'preprocess complete')
except KeyError as e:
shared.state.end()
return PreprocessResponse(info = "preprocess error: invalid token: {error}".format(error = e))
except AssertionError as e:
shared.state.end()
return PreprocessResponse(info = "preprocess error: {error}".format(error = e))
except FileNotFoundError as e:
shared.state.end()
return PreprocessResponse(info = 'preprocess error: {error}'.format(error = e))
def train_embedding(self, args: dict):
try:
shared.state.begin()
apply_optimizations = shared.opts.training_xattention_optimizations
error = None
filename = ''
if not apply_optimizations:
sd_hijack.undo_optimizations()
try:
embedding, filename = train_embedding(**args) # can take a long time to complete
except Exception as e:
error = e
finally:
if not apply_optimizations:
sd_hijack.apply_optimizations()
shared.state.end()
return TrainResponse(info = "train embedding complete: filename: {filename} error: {error}".format(filename = filename, error = error))
except AssertionError as msg:
shared.state.end()
return TrainResponse(info = "train embedding error: {msg}".format(msg = msg))
def train_hypernetwork(self, args: dict):
try:
shared.state.begin()
initial_hypernetwork = shared.loaded_hypernetwork
apply_optimizations = shared.opts.training_xattention_optimizations
error = None
filename = ''
if not apply_optimizations:
sd_hijack.undo_optimizations()
try:
hypernetwork, filename = train_hypernetwork(*args)
except Exception as e:
error = e
finally:
shared.loaded_hypernetwork = initial_hypernetwork
shared.sd_model.cond_stage_model.to(devices.device)
shared.sd_model.first_stage_model.to(devices.device)
if not apply_optimizations:
sd_hijack.apply_optimizations()
shared.state.end()
return TrainResponse(info = "train embedding complete: filename: {filename} error: {error}".format(filename = filename, error = error))
except AssertionError as msg:
shared.state.end()
return TrainResponse(info = "train embedding error: {error}".format(error = error))
def launch(self, server_name, port):
self.app.include_router(self.router)
uvicorn.run(self.app, host=server_name, port=port)

9
modules/api/models.py
View File

@ -175,6 +175,15 @@ class InterrogateRequest(BaseModel):
class InterrogateResponse(BaseModel):
caption: str = Field(default=None, title="Caption", description="The generated caption for the image.")
class TrainResponse(BaseModel):
info: str = Field(title="Train info", description="Response string from train embedding or hypernetwork task.")
class CreateResponse(BaseModel):
info: str = Field(title="Create info", description="Response string from create embedding or hypernetwork task.")
class PreprocessResponse(BaseModel):
info: str = Field(title="Preprocess info", description="Response string from preprocessing task.")
fields = {}
for key, metadata in opts.data_labels.items():
value = opts.data.get(key)

26
modules/hypernetworks/hypernetwork.py
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@ -378,6 +378,32 @@ def report_statistics(loss_info:dict):
print(e)
def create_hypernetwork(name, enable_sizes, overwrite_old, layer_structure=None, activation_func=None, weight_init=None, add_layer_norm=False, use_dropout=False):
# Remove illegal characters from name.
name = "".join( x for x in name if (x.isalnum() or x in "._- "))
fn = os.path.join(shared.cmd_opts.hypernetwork_dir, f"{name}.pt")
if not overwrite_old:
assert not os.path.exists(fn), f"file {fn} already exists"
if type(layer_structure) == str:
layer_structure = [float(x.strip()) for x in layer_structure.split(",")]
hypernet = modules.hypernetworks.hypernetwork.Hypernetwork(
name=name,
enable_sizes=[int(x) for x in enable_sizes],
layer_structure=layer_structure,
activation_func=activation_func,
weight_init=weight_init,
add_layer_norm=add_layer_norm,
use_dropout=use_dropout,
)
hypernet.save(fn)
shared.reload_hypernetworks()
return fn
def train_hypernetwork(hypernetwork_name, learn_rate, batch_size, gradient_step, data_root, log_directory, training_width, training_height, steps, shuffle_tags, tag_drop_out, latent_sampling_method, create_image_every, save_hypernetwork_every, template_file, preview_from_txt2img, preview_prompt, preview_negative_prompt, preview_steps, preview_sampler_index, preview_cfg_scale, preview_seed, preview_width, preview_height):
# images allows training previews to have infotext. Importing it at the top causes a circular import problem.

31
modules/hypernetworks/ui.py
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@ -3,39 +3,16 @@ import os
import re
import gradio as gr
import modules.textual_inversion.preprocess
import modules.textual_inversion.textual_inversion
import modules.hypernetworks.hypernetwork
from modules import devices, sd_hijack, shared
from modules.hypernetworks import hypernetwork
not_available = ["hardswish", "multiheadattention"]
keys = list(x for x in hypernetwork.HypernetworkModule.activation_dict.keys() if x not in not_available)
keys = list(x for x in modules.hypernetworks.hypernetwork.HypernetworkModule.activation_dict.keys() if x not in not_available)
def create_hypernetwork(name, enable_sizes, overwrite_old, layer_structure=None, activation_func=None, weight_init=None, add_layer_norm=False, use_dropout=False):
# Remove illegal characters from name.
name = "".join( x for x in name if (x.isalnum() or x in "._- "))
filename = modules.hypernetworks.hypernetwork.create_hypernetwork(name, enable_sizes, overwrite_old, layer_structure, activation_func, weight_init, add_layer_norm, use_dropout)
fn = os.path.join(shared.cmd_opts.hypernetwork_dir, f"{name}.pt")
if not overwrite_old:
assert not os.path.exists(fn), f"file {fn} already exists"
if type(layer_structure) == str:
layer_structure = [float(x.strip()) for x in layer_structure.split(",")]
hypernet = modules.hypernetworks.hypernetwork.Hypernetwork(
name=name,
enable_sizes=[int(x) for x in enable_sizes],
layer_structure=layer_structure,
activation_func=activation_func,
weight_init=weight_init,
add_layer_norm=add_layer_norm,
use_dropout=use_dropout,
)
hypernet.save(fn)
shared.reload_hypernetworks()
return gr.Dropdown.update(choices=sorted([x for x in shared.hypernetworks.keys()])), f"Created: {fn}", ""
return gr.Dropdown.update(choices=sorted([x for x in shared.hypernetworks.keys()])), f"Created: {filename}", ""
def train_hypernetwork(*args):