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fb04347d3b
* fixes to `check_and_update.py` script --------- Signed-off-by: Dave Lee <dave@gray101.com>
81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
import hashlib
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from huggingface_hub import hf_hub_download, get_paths_info
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import requests
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import sys
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import os
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uri = sys.argv[1]
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file_name = uri.split('/')[-1]
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# Function to parse the URI and determine download method
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def parse_uri(uri):
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if uri.startswith('huggingface://'):
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repo_id = uri.split('://')[1]
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return 'huggingface', repo_id.rsplit('/', 1)[0]
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elif 'huggingface.co' in uri:
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parts = uri.split('/resolve/')
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if len(parts) > 1:
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repo_path = parts[0].split('https://huggingface.co/')[-1]
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return 'huggingface', repo_path
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return 'direct', uri
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def calculate_sha256(file_path):
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sha256_hash = hashlib.sha256()
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with open(file_path, 'rb') as f:
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for byte_block in iter(lambda: f.read(4096), b''):
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sha256_hash.update(byte_block)
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return sha256_hash.hexdigest()
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def manual_safety_check_hf(repo_id):
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scanResponse = requests.get('https://huggingface.co/api/models/' + repo_id + "/scan")
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scan = scanResponse.json()
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if scan['hasUnsafeFile']:
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return scan
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return None
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download_type, repo_id_or_url = parse_uri(uri)
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new_checksum = None
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file_path = None
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# Decide download method based on URI type
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if download_type == 'huggingface':
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# Check if the repo is flagged as dangerous by HF
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hazard = manual_safety_check_hf(repo_id_or_url)
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if hazard != None:
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print(f'Error: HuggingFace has detected security problems for {repo_id_or_url}: {str(hazard)}', filename=file_name)
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sys.exit(5)
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# Use HF API to pull sha
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for file in get_paths_info(repo_id_or_url, [file_name], repo_type='model'):
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try:
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new_checksum = file.lfs.sha256
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break
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except Exception as e:
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print(f'Error from Hugging Face Hub: {str(e)}', file=sys.stderr)
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sys.exit(2)
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if new_checksum is None:
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try:
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file_path = hf_hub_download(repo_id=repo_id_or_url, filename=file_name)
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except Exception as e:
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print(f'Error from Hugging Face Hub: {str(e)}', file=sys.stderr)
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sys.exit(2)
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else:
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response = requests.get(repo_id_or_url)
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if response.status_code == 200:
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with open(file_name, 'wb') as f:
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f.write(response.content)
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file_path = file_name
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elif response.status_code == 404:
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print(f'File not found: {response.status_code}', file=sys.stderr)
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sys.exit(2)
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else:
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print(f'Error downloading file: {response.status_code}', file=sys.stderr)
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sys.exit(1)
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if new_checksum is None:
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new_checksum = calculate_sha256(file_path)
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print(new_checksum)
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os.remove(file_path)
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else:
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print(new_checksum)
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