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fix: administrative api endpoints /sdapi/v1/loras an... in lora_scrip... #17352

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fix: administrative api endpoints /sdapi/v1/loras an... in lora_scrip... #17352

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232 changes: 130 additions & 102 deletions extensions-builtin/Lora/scripts/lora_script.py
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Original file line number Diff line number Diff line change
@@ -1,102 +1,130 @@
import re

import gradio as gr
from fastapi import FastAPI

import network
import networks
import lora # noqa:F401
import lora_patches
import extra_networks_lora
import ui_extra_networks_lora
from modules import script_callbacks, ui_extra_networks, extra_networks, shared


def unload():
networks.originals.undo()


def before_ui():
ui_extra_networks.register_page(ui_extra_networks_lora.ExtraNetworksPageLora())

networks.extra_network_lora = extra_networks_lora.ExtraNetworkLora()
extra_networks.register_extra_network(networks.extra_network_lora)
extra_networks.register_extra_network_alias(networks.extra_network_lora, "lyco")


networks.originals = lora_patches.LoraPatches()

script_callbacks.on_model_loaded(networks.assign_network_names_to_compvis_modules)
script_callbacks.on_script_unloaded(unload)
script_callbacks.on_before_ui(before_ui)
script_callbacks.on_infotext_pasted(networks.infotext_pasted)


shared.options_templates.update(shared.options_section(('extra_networks', "Extra Networks"), {
"sd_lora": shared.OptionInfo("None", "Add network to prompt", gr.Dropdown, lambda: {"choices": ["None", *networks.available_networks]}, refresh=networks.list_available_networks),
"lora_preferred_name": shared.OptionInfo("Alias from file", "When adding to prompt, refer to Lora by", gr.Radio, {"choices": ["Alias from file", "Filename"]}),
"lora_add_hashes_to_infotext": shared.OptionInfo(True, "Add Lora hashes to infotext"),
"lora_bundled_ti_to_infotext": shared.OptionInfo(True, "Add Lora name as TI hashes for bundled Textual Inversion").info('"Add Textual Inversion hashes to infotext" needs to be enabled'),
"lora_show_all": shared.OptionInfo(False, "Always show all networks on the Lora page").info("otherwise, those detected as for incompatible version of Stable Diffusion will be hidden"),
"lora_hide_unknown_for_versions": shared.OptionInfo([], "Hide networks of unknown versions for model versions", gr.CheckboxGroup, {"choices": ["SD1", "SD2", "SDXL"]}),
"lora_in_memory_limit": shared.OptionInfo(0, "Number of Lora networks to keep cached in memory", gr.Number, {"precision": 0}),
"lora_not_found_warning_console": shared.OptionInfo(False, "Lora not found warning in console"),
"lora_not_found_gradio_warning": shared.OptionInfo(False, "Lora not found warning popup in webui"),
}))


shared.options_templates.update(shared.options_section(('compatibility', "Compatibility"), {
"lora_functional": shared.OptionInfo(False, "Lora/Networks: use old method that takes longer when you have multiple Loras active and produces same results as kohya-ss/sd-webui-additional-networks extension"),
}))


def create_lora_json(obj: network.NetworkOnDisk):
return {
"name": obj.name,
"alias": obj.alias,
"path": obj.filename,
"metadata": obj.metadata,
}


def api_networks(_: gr.Blocks, app: FastAPI):
@app.get("/sdapi/v1/loras")
async def get_loras():
return [create_lora_json(obj) for obj in networks.available_networks.values()]

@app.post("/sdapi/v1/refresh-loras")
async def refresh_loras():
return networks.list_available_networks()


script_callbacks.on_app_started(api_networks)

re_lora = re.compile("<lora:([^:]+):")


def infotext_pasted(infotext, d):
hashes = d.get("Lora hashes")
if not hashes:
return

hashes = [x.strip().split(':', 1) for x in hashes.split(",")]
hashes = {x[0].strip().replace(",", ""): x[1].strip() for x in hashes}

def network_replacement(m):
alias = m.group(1)
shorthash = hashes.get(alias)
if shorthash is None:
return m.group(0)

network_on_disk = networks.available_network_hash_lookup.get(shorthash)
if network_on_disk is None:
return m.group(0)

return f'<lora:{network_on_disk.get_alias()}:'

d["Prompt"] = re.sub(re_lora, network_replacement, d["Prompt"])


script_callbacks.on_infotext_pasted(infotext_pasted)

shared.opts.onchange("lora_in_memory_limit", networks.purge_networks_from_memory)
import re

import gradio as gr
from fastapi import FastAPI, HTTPException

import network
import networks
import lora # noqa:F401
import lora_patches
import extra_networks_lora
import ui_extra_networks_lora
from modules import script_callbacks, ui_extra_networks, extra_networks, shared


def unload():
networks.originals.undo()


def before_ui():
ui_extra_networks.register_page(ui_extra_networks_lora.ExtraNetworksPageLora())

networks.extra_network_lora = extra_networks_lora.ExtraNetworkLora()
extra_networks.register_extra_network(networks.extra_network_lora)
extra_networks.register_extra_network_alias(networks.extra_network_lora, "lyco")


networks.originals = lora_patches.LoraPatches()

script_callbacks.on_model_loaded(networks.assign_network_names_to_compvis_modules)
script_callbacks.on_script_unloaded(unload)
script_callbacks.on_before_ui(before_ui)
script_callbacks.on_infotext_pasted(networks.infotext_pasted)


shared.options_templates.update(shared.options_section(('extra_networks', "Extra Networks"), {
"sd_lora": shared.OptionInfo("None", "Add network to prompt", gr.Dropdown, lambda: {"choices": ["None", *networks.available_networks]}, refresh=networks.list_available_networks),
"lora_preferred_name": shared.OptionInfo("Alias from file", "When adding to prompt, refer to Lora by", gr.Radio, {"choices": ["Alias from file", "Filename"]}),
"lora_add_hashes_to_infotext": shared.OptionInfo(True, "Add Lora hashes to infotext"),
"lora_bundled_ti_to_infotext": shared.OptionInfo(True, "Add Lora name as TI hashes for bundled Textual Inversion").info('"Add Textual Inversion hashes to infotext" needs to be enabled'),
"lora_show_all": shared.OptionInfo(False, "Always show all networks on the Lora page").info("otherwise, those detected as for incompatible version of Stable Diffusion will be hidden"),
"lora_hide_unknown_for_versions": shared.OptionInfo([], "Hide networks of unknown versions for model versions", gr.CheckboxGroup, {"choices": ["SD1", "SD2", "SDXL"]}),
"lora_in_memory_limit": shared.OptionInfo(0, "Number of Lora networks to keep cached in memory", gr.Number, {"precision": 0}),
"lora_not_found_warning_console": shared.OptionInfo(False, "Lora not found warning in console"),
"lora_not_found_gradio_warning": shared.OptionInfo(False, "Lora not found warning popup in webui"),
}))


shared.options_templates.update(shared.options_section(('compatibility', "Compatibility"), {
"lora_functional": shared.OptionInfo(False, "Lora/Networks: use old method that takes longer when you have multiple Loras active and produces same results as kohya-ss/sd-webui-additional-networks extension"),
}))


def create_lora_json(obj: network.NetworkOnDisk):
return {
"name": obj.name,
"alias": obj.alias,
"path": obj.filename,
"metadata": obj.metadata,
}


def api_networks(_: gr.Blocks, app: FastAPI):
from fastapi import Depends
from fastapi.security import HTTPBasic, HTTPBasicCredentials
from hmac import compare_digest

security = HTTPBasic(auto_error=False)

def check_api_auth(credentials: HTTPBasicCredentials = Depends(security)):
if not shared.cmd_opts.api_auth:
return
if credentials is None:
raise HTTPException(
status_code=401,
detail="Not authenticated",
headers={"WWW-Authenticate": "Basic"},
)
valid_credentials = {}
for auth_entry in shared.cmd_opts.api_auth.split(","):
user, password = auth_entry.split(":", 1)
valid_credentials[user.strip()] = password.strip()
username = credentials.username
if username in valid_credentials and compare_digest(credentials.password, valid_credentials[username]):
return
raise HTTPException(
status_code=401,
detail="Incorrect credentials",
headers={"WWW-Authenticate": "Basic"},
)

@app.get("/sdapi/v1/loras", dependencies=[Depends(check_api_auth)])
async def get_loras():
return [create_lora_json(obj) for obj in networks.available_networks.values()]

@app.post("/sdapi/v1/refresh-loras", dependencies=[Depends(check_api_auth)])
async def refresh_loras():
return networks.list_available_networks()


script_callbacks.on_app_started(api_networks)

re_lora = re.compile("<lora:([^:]+):")


def infotext_pasted(infotext, d):
hashes = d.get("Lora hashes")
if not hashes:
return

hashes = [x.strip().split(':', 1) for x in hashes.split(",")]
hashes = {x[0].strip().replace(",", ""): x[1].strip() for x in hashes}

def network_replacement(m):
alias = m.group(1)
shorthash = hashes.get(alias)
if shorthash is None:
return m.group(0)

network_on_disk = networks.available_network_hash_lookup.get(shorthash)
if network_on_disk is None:
return m.group(0)

return f'<lora:{network_on_disk.get_alias()}:'

d["Prompt"] = re.sub(re_lora, network_replacement, d["Prompt"])


script_callbacks.on_infotext_pasted(infotext_pasted)

shared.opts.onchange("lora_in_memory_limit", networks.purge_networks_from_memory)
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