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Added function for reading a catalog

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asia 2025-05-28 10:17:51 +02:00
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python/catalog/read_catalog.py Normal file
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# -----------------
# Copyright © 2025 ACK Cyfronet AGH, Poland.
# -----------------
from scipy.io import loadmat, whosmat
def read_catalog(catalog_path):
"""
Reads the provided catalog in EPISODES Platform format (https://docs.cyfronet.pl/display/ISDOC/Catalogs)
Parameters:
catalog_path: Path to the catalog file to be read.
Returns:
catalog (np.ndarray): A structured NumPy array representing the catalog.
Raises:
ValueError: If the specified field name is not found in the catalog.
"""
catalog_contents = loadmat(catalog_path, mat_dtype=True)
catalog_field_name = whosmat(catalog_path)[0][0] # Getting the name of first non-metadata field
catalog = catalog_contents[catalog_field_name][0]
return catalog