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# initializer.py
import json
import os
import requests
from huggingface_hub import snapshot_download
def download_json(url):
"""Download JSON content from the given URL."""
response = requests.get(url)
response.raise_for_status() # Check if request was successful
return response.json()
def download_and_modify_json(url, local_filename, modifications):
"""Download JSON from URL and modify its contents based on modifications."""
if os.path.exists(local_filename):
with open(local_filename, 'r', encoding='utf-8') as f:
data = json.load(f)
config_version = data.get('config_version', '0.0.0')
# If the version is older than desired, re-download
if config_version < '1.1.1':
data = download_json(url)
else:
data = download_json(url)
# Apply modifications
data.update(modifications)
# Save the modified JSON locally
with open(local_filename, 'w', encoding='utf-8') as f:
json.dump(data, f, ensure_ascii=False, indent=4)
def initialize_app(force=False):
"""Initialize models and configuration.
This function downloads the required models and modifies the configuration file.
It will only perform these actions if they have not been done before.
"""
# Define the path to the configuration file in the user's home directory.
home_dir = os.path.expanduser('~')
config_file_name = 'magic-pdf.json'
config_file = os.path.join(home_dir, config_file_name)
# If the config file exists, assume initialization is complete.
if os.path.exists(config_file):
print(f"Initialization already completed. Using existing configuration at {config_file}")
return
elif force:
print(f"Forced initialization.")
# Define patterns for model download
mineru_patterns = [
"models/Layout/LayoutLMv3/*",
"models/Layout/YOLO/*",
"models/MFD/YOLO/*",
"models/MFR/unimernet_small_2501/*",
"models/TabRec/TableMaster/*",
"models/TabRec/StructEqTable/*",
]
model_dir = snapshot_download('opendatalab/PDF-Extract-Kit-1.0', allow_patterns=mineru_patterns)
layoutreader_pattern = [
"*.json",
"*.safetensors",
]
layoutreader_model_dir = snapshot_download('hantian/layoutreader', allow_patterns=layoutreader_pattern)
model_dir = os.path.join(model_dir, 'models')
print(f"Downloaded model_dir is: {model_dir}")
print(f"Downloaded layoutreader_model_dir is: {layoutreader_model_dir}")
# Download and modify JSON configuration
json_url = 'https://github.com/opendatalab/MinerU/raw/master/magic-pdf.template.json'
json_mods = {
'models-dir': model_dir,
'layoutreader-model-dir': layoutreader_model_dir,
}
download_and_modify_json(json_url, config_file, json_mods)
print(f"The configuration file has been configured successfully, the path is: {config_file}")
# This block will run if the module is executed directly.
if __name__ == '__main__':
initialize_app()
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