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lib.py
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import json
import os
import shutil
import tempfile
import time
from typing import List
import requests
import glob
from tqdm import tqdm
from modules import shared, sd_models, sd_vae, hashes
from modules.paths import models_path
from extensions.sd_civitai_extension.civitai.models import Command, ResourceRequest
#region shared variables
try:
base_url = shared.cmd_opts.civitai_endpoint
except:
base_url = 'https://civitai.com/api/v1'
connected = False
user_agent = 'CivitaiLink:Automatic1111'
download_chunk_size = 8192
cache_key = 'civitai'
#endregion
#region Utils
def log(message):
"""Log a message to the console."""
print(f'Civitai: {message}')
def download_file(url, dest, on_progress=None):
if os.path.exists(dest):
log(f'File already exists: {dest}')
log(f'Downloading: "{url}" to {dest}\n')
response = requests.get(url, stream=True, headers={"User-Agent": user_agent})
total = int(response.headers.get('content-length', 0))
start_time = time.time()
dest = os.path.expanduser(dest)
dst_dir = os.path.dirname(dest)
f = tempfile.NamedTemporaryFile(delete=False, dir=dst_dir)
try:
current = 0
with tqdm(total=total, unit='B', unit_scale=True, unit_divisor=1024) as bar:
for data in response.iter_content(chunk_size=download_chunk_size):
current += len(data)
pos = f.write(data)
bar.update(pos)
if on_progress is not None:
should_stop = on_progress(current, total, start_time)
if should_stop == True:
raise Exception('Download cancelled')
f.close()
shutil.move(f.name, dest)
finally:
f.close()
if os.path.exists(f.name):
os.remove(f.name)
#endregion Utils
#region API
def req(endpoint, method='GET', data=None, params=None, headers=None):
"""Make a request to the Civitai API."""
if headers is None:
headers = {}
headers['User-Agent'] = user_agent
api_key = shared.opts.data.get("civitai_api_key", None)
if api_key is not None:
headers['Authorization'] = f'Bearer {api_key}'
if data is not None:
headers['Content-Type'] = 'application/json'
data = json.dumps(data)
if not endpoint.startswith('/'):
endpoint = '/' + endpoint
if params is None:
params = {}
response = requests.request(method, base_url+endpoint, data=data, params=params, headers=headers)
if response.status_code != 200:
raise Exception(f'Error: {response.status_code} {response.text}')
return response.json()
def get_models(query, creator, tag, type, page=1, page_size=20, sort='Most Downloaded', period='AllTime'):
"""Get a list of models from the Civitai API."""
response = req('/models', params={
'query': query,
'username': creator,
'tag': tag,
'type': type,
'sort': sort,
'period': period,
'page': page,
'pageSize': page_size,
})
return response
def get_all_by_hash(hashes: List[str]):
response = req(f"/model-versions/by-hash", method='POST', data=hashes)
return response
def get_model_version(id):
"""Get a model version from the Civitai API."""
response = req('/model-versions/'+id)
return response
def get_model_version_by_hash(hash: str):
response = req(f"/model-versions/by-hash/{hash}")
return response
def get_creators(query, page=1, page_size=20):
"""Get a list of creators from the Civitai API."""
response = req('/creators', params={
'query': query,
'page': page,
'pageSize': page_size
})
return response
def get_tags(query, page=1, page_size=20):
"""Get a list of tags from the Civitai API."""
response = req('/tags', params={
'query': query,
'page': page,
'pageSize': page_size
})
return response
#endregion API
#region Get Utils
def get_automatic_type(type: str):
if type == 'Hypernetwork': return 'hypernet'
return type.lower()
def get_automatic_name(type: str, filename: str, folder: str):
abspath = os.path.abspath(filename)
if abspath.startswith(folder):
fullname = abspath.replace(folder, '')
else:
fullname = os.path.basename(filename)
if fullname.startswith("\\") or fullname.startswith("/"):
fullname = fullname[1:]
if type == 'Checkpoint': return fullname
return os.path.splitext(fullname)[0]
def has_preview(filename: str):
return os.path.isfile(os.path.splitext(filename)[0] + '.preview.png')
def get_resources_in_folder(type, folder, exts=[], exts_exclude=[]):
resources = []
os.makedirs(folder, exist_ok=True)
candidates = []
for ext in exts:
candidates += glob.glob(os.path.join(folder, '**/*.' + ext), recursive=True)
for ext in exts_exclude:
candidates = [x for x in candidates if not x.endswith(ext)]
folder = os.path.abspath(folder)
automatic_type = get_automatic_type(type)
for filename in sorted(candidates):
if os.path.isdir(filename):
continue
name = os.path.splitext(os.path.basename(filename))[0]
automatic_name = get_automatic_name(type, filename, folder)
hash = hashes.sha256(filename, f"{automatic_type}/{automatic_name}")
resources.append({'type': type, 'name': name, 'hash': hash, 'path': filename, 'hasPreview': has_preview(filename) })
return resources
resources = []
def load_resource_list(types=['LORA', 'Hypernetwork', 'TextualInversion', 'Checkpoint', 'VAE']):
global resources
# If resources is empty and types is empty, load all types
# This is a helper to be able to get the resource list without
# having to worry about initialization. On subsequent calls, no work will be done
if len(resources) == 0 and len(types) == 0:
types = ['LORA', 'Hypernetwork', 'TextualInversion', 'Checkpoint', 'VAE']
if 'LORA' in types:
resources = [r for r in resources if r['type'] != 'LORA']
resources += get_resources_in_folder('LORA', shared.cmd_opts.lora_dir, ['pt', 'safetensors', 'ckpt'])
if 'Hypernetwork' in types:
resources = [r for r in resources if r['type'] != 'Hypernetwork']
resources += get_resources_in_folder('Hypernetwork', shared.cmd_opts.hypernetwork_dir, ['pt', 'safetensors', 'ckpt'])
if 'TextualInversion' in types:
resources = [r for r in resources if r['type'] != 'TextualInversion']
resources += get_resources_in_folder('TextualInversion', shared.cmd_opts.embeddings_dir, ['pt'])
if 'Checkpoint' in types:
resources = [r for r in resources if r['type'] != 'Checkpoint']
resources += get_resources_in_folder('Checkpoint', sd_models.model_path, ['safetensors', 'ckpt'], ['vae.safetensors', 'vae.ckpt'])
if 'VAE' in types:
resources = [r for r in resources if r['type'] != 'VAE']
resources += get_resources_in_folder('VAE', sd_models.model_path, ['vae.pt', 'vae.safetensors', 'vae.ckpt'])
resources += get_resources_in_folder('VAE', sd_vae.vae_path, ['pt', 'safetensors', 'ckpt'])
return resources
def get_resource_by_hash(hash: str):
resources = load_resource_list([])
found = [resource for resource in resources if hash.lower() == resource['hash'] and ('downloading' not in resource or resource['downloading'] != True)]
if found:
return found[0]
return None
def get_model_by_hash(hash: str):
found = [info for info in sd_models.checkpoints_list.values() if hash == info.sha256 or hash == info.shorthash or hash == info.hash]
if found:
return found[0]
return None
#endregion Get Utils
#region Removing
def remove_resource(resource: ResourceRequest):
removed = None
target = get_resource_by_hash(resource['hash'])
if target is None or target['type'] != resource['type']: removed = False
elif os.path.exists(target['path']):
os.remove(target['path'])
removed = True
if removed == True:
log(f'Removed resource')
load_resource_list([resource['type']])
if resource['type'] == 'Checkpoint':
sd_models.list_models()
elif resource['type'] == 'Hypernetwork':
shared.reload_hypernetworks()
# elif resource['type'] == 'LORA':
# TODO: reload LORA
elif removed == None:
log(f'Resource not found')
#endregion Removing
#region Downloading
def load_if_missing(path, url, on_progress=None):
if os.path.exists(path): return True
if url is None: return False
download_file(url, path, on_progress)
return None
def load_resource(resource: ResourceRequest, on_progress=None):
resource['hash'] = resource['hash'].lower()
existing_resource = get_resource_by_hash(resource['hash'])
if existing_resource:
log(f'Already have resource: {resource["name"]}')
return
resources.append({'type': resource['type'], 'name': resource['name'], 'hash': resource['hash'], 'downloading': True })
if resource['type'] == 'Checkpoint': load_model(resource, on_progress)
elif resource['type'] == 'CheckpointConfig': load_model_config(resource, on_progress)
elif resource['type'] == 'Hypernetwork': load_hypernetwork(resource, on_progress)
elif resource['type'] == 'TextualInversion': load_textual_inversion(resource, on_progress)
elif resource['type'] == 'LORA': load_lora(resource, on_progress)
load_resource_list([resource['type']])
def fetch_model_by_hash(hash: str):
model_version = get_model_version_by_hash(hash)
if model_version is None:
log(f'Could not find model version with hash {hash}')
return None
file = [x for x in model_version['files'] if x['primary'] == True][0]
resource = ResourceRequest(
name=file['name'],
type='Checkpoint',
hash=file['hashes']['SHA256'],
url=file['downloadUrl']
)
load_resource(resource)
def load_model_config(resource: ResourceRequest, on_progress=None):
load_if_missing(os.path.join(sd_models.model_path, resource['name']), resource['url'], on_progress)
def load_model(resource: ResourceRequest, on_progress=None):
model = get_model_by_hash(resource['hash'])
if model is not None:
log('Found model in model list')
if model is None and resource['url'] is not None:
log('Downloading model')
download_file(resource['url'], os.path.join(sd_models.model_path, resource['name']), on_progress)
sd_models.list_models()
model = get_model_by_hash(resource['hash'])
return model
def load_textual_inversion(resource: ResourceRequest, on_progress=None):
load_if_missing(os.path.join(shared.cmd_opts.embeddings_dir, resource['name']), resource['url'], on_progress)
def load_lora(resource: ResourceRequest, on_progress=None):
isAvailable = load_if_missing(os.path.join(shared.cmd_opts.lora_dir, resource['name']), resource['url'], on_progress)
# TODO: reload lora list - not sure best way to import this
# if isAvailable is None:
# lora.list_available_loras()
def load_vae(resource: ResourceRequest, on_progress=None):
# TODO: find by hash instead of name
if not resource['name'].endswith('.pt'): resource['name'] += '.pt'
full_path = os.path.join(models_path, 'VAE', resource['name'])
isAvailable = load_if_missing(full_path, resource['url'], on_progress)
if isAvailable is None:
sd_vae.refresh_vae_list()
def load_hypernetwork(resource: ResourceRequest, on_progress=None):
full_path = os.path.join(shared.cmd_opts.hypernetwork_dir, resource['name']);
if not full_path.endswith('.pt'): full_path += '.pt'
isAvailable = load_if_missing(full_path, resource['url'], on_progress)
if isAvailable is None:
shared.reload_hypernetworks()
#endregion Downloading
#region Selecting Resources
def select_model(resource: ResourceRequest):
if shared.opts.data["sd_checkpoint_hash"] == resource['hash']: return
model = load_model(resource)
if model is not None:
sd_models.load_model(model)
shared.opts.save(shared.config_filename)
else: log('Could not find model and no URL was provided')
def select_vae(resource: ResourceRequest):
# TODO: find by hash instead of name
if not resource['name'].endswith('.pt'): resource['name'] += '.pt'
full_path = os.path.join(models_path, 'VAE', resource['name'])
if sd_vae.loaded_vae_file is not None and sd_vae.get_filename(sd_vae.loaded_vae_file) == resource['name']:
log('VAE already loaded')
return
isAvailable = load_if_missing(full_path, resource['url'])
if not isAvailable:
log('Could not find VAE')
return
sd_vae.refresh_vae_list()
sd_vae.load_vae(shared.sd_model, full_path)
def clear_vae():
log('Clearing VAE')
sd_vae.clear_loaded_vae()
def select_hypernetwork(resource: ResourceRequest):
# TODO: find by hash instead of name
if shared.opts.sd_hypernetwork == resource['name']:
log('Hypernetwork already loaded')
return
full_path = os.path.join(shared.cmd_opts.hypernetwork_dir, resource['name']);
if not full_path.endswith('.pt'): full_path += '.pt'
isAvailable = load_if_missing(full_path, resource['url'])
if not isAvailable:
log('Could not find hypernetwork')
return
shared.opts.sd_hypernetwork = resource['name']
shared.opts.save(shared.config_filename)
shared.reload_hypernetworks()
def clear_hypernetwork():
if (shared.opts.sd_hypernetwork == 'None'): return
log('Clearing hypernetwork')
shared.opts.sd_hypernetwork = 'None'
shared.opts.save(shared.config_filename)
shared.reload_hypernetworks()
#endregion
#region Resource Management
def update_resource_preview(hash: str, preview_url: str):
resources = load_resource_list([])
matches = [resource for resource in resources if hash.lower() == resource['hash']]
if len(matches) == 0: return
for resource in matches:
# download image and save to resource['path'] - ext + '.preview.png'
preview_path = os.path.splitext(resource['path'])[0] + '.preview.png'
download_file(preview_url, preview_path)
#endregion Selecting Resources
#region Activities
activities = []
activity_history_length = 10
ignore_activity_types = ['resources:list','activities:list','activities:clear', 'activities:cancel']
def add_activity(activity: Command):
global activities
if activity['type'] in ignore_activity_types: return
existing_activity_index = [i for i, x in enumerate(activities) if x['id'] == activity['id']]
if len(existing_activity_index) > 0: activities[existing_activity_index[0]] = activity
else: activities.insert(0, activity)
if len(activities) > activity_history_length:
activities.pop()
#endregion