mirror of
https://github.com/willmiao/ComfyUI-Lora-Manager.git
synced 2026-03-21 21:22:11 -03:00
6fd74952b7
- Replaced direct usage of Civitai client with a fallback metadata provider across all recipe parsers. - Updated metadata service to improve initialization and error handling. - Enhanced download manager to utilize a downloader service for file operations. - Improved recipe scanner to fetch model information through the new metadata provider. - Updated utility functions to streamline image downloading and processing. - Added comprehensive logging and error handling for better debugging and reliability. - Introduced `get_default_metadata_provider()` for simplified access to the default provider. - Ensured backward compatibility with existing APIs and workflows.
326 lines
17 KiB
Python
326 lines
17 KiB
Python
"""Parser for Automatic1111 metadata format."""
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import re
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import json
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import logging
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from typing import Dict, Any
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from ..base import RecipeMetadataParser
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from ..constants import GEN_PARAM_KEYS
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from ...services.metadata_service import get_default_metadata_provider
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logger = logging.getLogger(__name__)
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class AutomaticMetadataParser(RecipeMetadataParser):
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"""Parser for Automatic1111 metadata format"""
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METADATA_MARKER = r"Steps: \d+"
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# Regular expressions for extracting specific metadata
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HASHES_REGEX = r', Hashes:\s*({[^}]+})'
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LORA_HASHES_REGEX = r', Lora hashes:\s*"([^"]+)"'
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CIVITAI_RESOURCES_REGEX = r', Civitai resources:\s*(\[\{.*?\}\])'
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CIVITAI_METADATA_REGEX = r', Civitai metadata:\s*(\{.*?\})'
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EXTRANETS_REGEX = r'<(lora|hypernet):([^:]+):(-?[0-9.]+)>'
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MODEL_HASH_PATTERN = r'Model hash: ([a-zA-Z0-9]+)'
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VAE_HASH_PATTERN = r'VAE hash: ([a-zA-Z0-9]+)'
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def is_metadata_matching(self, user_comment: str) -> bool:
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"""Check if the user comment matches the Automatic1111 format"""
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return re.search(self.METADATA_MARKER, user_comment) is not None
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async def parse_metadata(self, user_comment: str, recipe_scanner=None, civitai_client=None) -> Dict[str, Any]:
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"""Parse metadata from Automatic1111 format"""
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try:
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# Get metadata provider instead of using civitai_client directly
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metadata_provider = await get_default_metadata_provider()
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# Split on Negative prompt if it exists
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if "Negative prompt:" in user_comment:
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parts = user_comment.split('Negative prompt:', 1)
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prompt = parts[0].strip()
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negative_and_params = parts[1] if len(parts) > 1 else ""
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else:
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# No negative prompt section
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param_start = re.search(self.METADATA_MARKER, user_comment)
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if param_start:
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prompt = user_comment[:param_start.start()].strip()
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negative_and_params = user_comment[param_start.start():]
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else:
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prompt = user_comment.strip()
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negative_and_params = ""
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# Initialize metadata
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metadata = {
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"prompt": prompt,
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"loras": []
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}
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# Extract negative prompt and parameters
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if negative_and_params:
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# If we split on "Negative prompt:", check for params section
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if "Negative prompt:" in user_comment:
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param_start = re.search(r'Steps: ', negative_and_params)
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if param_start:
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neg_prompt = negative_and_params[:param_start.start()].strip()
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metadata["negative_prompt"] = neg_prompt
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params_section = negative_and_params[param_start.start():]
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else:
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metadata["negative_prompt"] = negative_and_params.strip()
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params_section = ""
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else:
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# No negative prompt, entire section is params
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params_section = negative_and_params
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# Extract generation parameters
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if params_section:
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# Extract Civitai resources
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civitai_resources_match = re.search(self.CIVITAI_RESOURCES_REGEX, params_section)
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if civitai_resources_match:
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try:
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civitai_resources = json.loads(civitai_resources_match.group(1))
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metadata["civitai_resources"] = civitai_resources
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params_section = params_section.replace(civitai_resources_match.group(0), '')
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except json.JSONDecodeError:
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logger.error("Error parsing Civitai resources JSON")
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# Extract Hashes
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hashes_match = re.search(self.HASHES_REGEX, params_section)
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if hashes_match:
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try:
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hashes = json.loads(hashes_match.group(1))
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# Process hash keys
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processed_hashes = {}
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for key, value in hashes.items():
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# Convert Model: or LORA: prefix to lowercase if present
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if ':' in key:
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prefix, name = key.split(':', 1)
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prefix = prefix.lower()
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else:
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prefix = ''
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name = key
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# Clean up the name part
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if '/' in name:
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name = name.split('/')[-1] # Get last part after /
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if '.safetensors' in name:
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name = name.split('.safetensors')[0] # Remove .safetensors
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# Reconstruct the key
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new_key = f"{prefix}:{name}" if prefix else name
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processed_hashes[new_key] = value
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metadata["hashes"] = processed_hashes
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# Remove hashes from params section to not interfere with other parsing
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params_section = params_section.replace(hashes_match.group(0), '')
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except json.JSONDecodeError:
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logger.error("Error parsing hashes JSON")
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# Extract Lora hashes in alternative format
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lora_hashes_match = re.search(self.LORA_HASHES_REGEX, params_section)
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if not hashes_match and lora_hashes_match:
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try:
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lora_hashes_str = lora_hashes_match.group(1)
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lora_hash_entries = lora_hashes_str.split(', ')
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# Initialize hashes dict if it doesn't exist
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if "hashes" not in metadata:
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metadata["hashes"] = {}
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# Parse each lora hash entry (format: "name: hash")
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for entry in lora_hash_entries:
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if ': ' in entry:
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lora_name, lora_hash = entry.split(': ', 1)
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# Add as lora type in the same format as regular hashes
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metadata["hashes"][f"lora:{lora_name}"] = lora_hash.strip()
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# Remove lora hashes from params section
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params_section = params_section.replace(lora_hashes_match.group(0), '')
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except Exception as e:
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logger.error(f"Error parsing Lora hashes: {e}")
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# Extract basic parameters
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param_pattern = r'([A-Za-z\s]+): ([^,]+)'
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params = re.findall(param_pattern, params_section)
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gen_params = {}
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for key, value in params:
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clean_key = key.strip().lower().replace(' ', '_')
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# Skip if not in recognized gen param keys
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if clean_key not in GEN_PARAM_KEYS:
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continue
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# Convert numeric values
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if clean_key in ['steps', 'seed']:
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try:
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gen_params[clean_key] = int(value.strip())
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except ValueError:
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gen_params[clean_key] = value.strip()
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elif clean_key in ['cfg_scale']:
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try:
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gen_params[clean_key] = float(value.strip())
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except ValueError:
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gen_params[clean_key] = value.strip()
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else:
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gen_params[clean_key] = value.strip()
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# Extract size if available and add to gen_params if a recognized key
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size_match = re.search(r'Size: (\d+)x(\d+)', params_section)
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if size_match and 'size' in GEN_PARAM_KEYS:
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width, height = size_match.groups()
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gen_params['size'] = f"{width}x{height}"
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# Add prompt and negative_prompt to gen_params if they're in GEN_PARAM_KEYS
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if 'prompt' in GEN_PARAM_KEYS and 'prompt' in metadata:
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gen_params['prompt'] = metadata['prompt']
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if 'negative_prompt' in GEN_PARAM_KEYS and 'negative_prompt' in metadata:
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gen_params['negative_prompt'] = metadata['negative_prompt']
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metadata["gen_params"] = gen_params
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# Extract LoRA information
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loras = []
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base_model_counts = {}
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# First use Civitai resources if available (more reliable source)
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if metadata.get("civitai_resources"):
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for resource in metadata.get("civitai_resources", []):
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# --- Added: Parse 'air' field if present ---
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air = resource.get("air")
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if air:
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# Format: urn:air:sdxl:lora:civitai:1221007@1375651
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# Or: urn:air:sdxl:checkpoint:civitai:623891@2019115
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air_pattern = r"urn:air:[^:]+:(?P<type>[^:]+):civitai:(?P<modelId>\d+)@(?P<modelVersionId>\d+)"
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air_match = re.match(air_pattern, air)
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if air_match:
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air_type = air_match.group("type")
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air_modelId = int(air_match.group("modelId"))
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air_modelVersionId = int(air_match.group("modelVersionId"))
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# checkpoint/lycoris/lora/hypernet
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resource["type"] = air_type
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resource["modelId"] = air_modelId
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resource["modelVersionId"] = air_modelVersionId
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# --- End added ---
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if resource.get("type") in ["lora", "lycoris", "hypernet"] and resource.get("modelVersionId"):
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# Initialize lora entry
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lora_entry = {
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'id': resource.get("modelVersionId", 0),
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'modelId': resource.get("modelId", 0),
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'name': resource.get("modelName", "Unknown LoRA"),
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'version': resource.get("modelVersionName", resource.get("versionName", "")),
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'type': resource.get("type", "lora"),
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'weight': round(float(resource.get("weight", 1.0)), 2),
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'existsLocally': False,
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'thumbnailUrl': '/loras_static/images/no-preview.png',
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'baseModel': '',
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'size': 0,
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'downloadUrl': '',
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'isDeleted': False
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}
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# Get additional info from Civitai
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if metadata_provider:
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try:
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civitai_info = await metadata_provider.get_model_version_info(resource.get("modelVersionId"))
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populated_entry = await self.populate_lora_from_civitai(
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lora_entry,
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civitai_info,
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recipe_scanner,
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base_model_counts
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)
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if populated_entry is None:
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continue # Skip invalid LoRA types
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lora_entry = populated_entry
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except Exception as e:
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logger.error(f"Error fetching Civitai info for LoRA {lora_entry['name']}: {e}")
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loras.append(lora_entry)
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# If no LoRAs from Civitai resources or to supplement, extract from metadata["hashes"]
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if not loras or len(loras) == 0:
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# Extract lora weights from extranet tags in prompt (for later use)
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lora_weights = {}
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lora_matches = re.findall(self.EXTRANETS_REGEX, prompt)
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for lora_type, lora_name, lora_weight in lora_matches:
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key = f"{lora_type}:{lora_name}"
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lora_weights[key] = round(float(lora_weight), 2)
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# Use hashes from metadata as the primary source
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if metadata.get("hashes"):
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for hash_key, lora_hash in metadata.get("hashes", {}).items():
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# Only process lora or hypernet types
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if not hash_key.startswith(("lora:", "hypernet:")):
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continue
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lora_type, lora_name = hash_key.split(':', 1)
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# Get weight from extranet tags if available, else default to 1.0
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weight = lora_weights.get(hash_key, 1.0)
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# Initialize lora entry
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lora_entry = {
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'name': lora_name,
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'type': lora_type, # 'lora' or 'hypernet'
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'weight': weight,
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'hash': lora_hash,
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'existsLocally': False,
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'localPath': None,
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'file_name': lora_name,
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'thumbnailUrl': '/loras_static/images/no-preview.png',
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'baseModel': '',
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'size': 0,
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'downloadUrl': '',
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'isDeleted': False
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}
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# Try to get info from Civitai
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if metadata_provider:
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try:
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if lora_hash:
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# If we have hash, use it for lookup
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civitai_info = await metadata_provider.get_model_by_hash(lora_hash)
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else:
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civitai_info = None
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populated_entry = await self.populate_lora_from_civitai(
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lora_entry,
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civitai_info,
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recipe_scanner,
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base_model_counts,
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lora_hash
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)
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if populated_entry is None:
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continue # Skip invalid LoRA types
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lora_entry = populated_entry
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except Exception as e:
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logger.error(f"Error fetching Civitai info for LoRA {lora_name}: {e}")
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loras.append(lora_entry)
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# Try to get base model from resources or make educated guess
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base_model = None
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if base_model_counts:
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# Use the most common base model from the loras
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base_model = max(base_model_counts.items(), key=lambda x: x[1])[0]
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# Prepare final result structure
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# Make sure gen_params only contains recognized keys
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filtered_gen_params = {}
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for key in GEN_PARAM_KEYS:
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if key in metadata.get("gen_params", {}):
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filtered_gen_params[key] = metadata["gen_params"][key]
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result = {
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'base_model': base_model,
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'loras': loras,
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'gen_params': filtered_gen_params,
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'from_automatic_metadata': True
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}
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return result
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except Exception as e:
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logger.error(f"Error parsing Automatic1111 metadata: {e}", exc_info=True)
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return {"error": str(e), "loras": []}
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