From e8ed57e2a0d509b4d4cf8248be00294166277e5a Mon Sep 17 00:00:00 2001 From: plgmlesniak Date: Mon, 13 Jan 2025 11:13:45 +0100 Subject: [PATCH] ISL-4832 Added find_catalog_column.py --- python/catalog/find_catalog_column.py | 36 +++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 python/catalog/find_catalog_column.py diff --git a/python/catalog/find_catalog_column.py b/python/catalog/find_catalog_column.py new file mode 100644 index 0000000..1ca6080 --- /dev/null +++ b/python/catalog/find_catalog_column.py @@ -0,0 +1,36 @@ +# ----------------- +# Copyright © 2024 ACK Cyfronet AGH, Poland. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# This work was partially funded by DT-GEO Project. +# ----------------- +def find_catalog_column(catalog, field_name): + """ + Finds the index of a column in the catalog based on its field name. + + Parameters: + catalog (np.ndarray): A structured NumPy array representing the catalog, where each row + corresponds to a field with attributes like 'field', 'val', etc. + field_name (str): The field name of the entry to search for. + + Returns: + int: The index of the entry matching the given field name. + + Raises: + ValueError: If the specified field name is not found in the catalog. + """ + for idx, col in enumerate(catalog): + if col['field'] == field_name: + return idx + raise ValueError(f'No {field_name} field found in the catalog.') \ No newline at end of file