| # Licensed to the Apache Software Foundation (ASF) under one | |
| # or more contributor license agreements. See the NOTICE file | |
| # distributed with this work for additional information | |
| # regarding copyright ownership. The ASF licenses this file | |
| # to you 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. | |
| import re | |
| from re import Pattern | |
| from pyiceberg.exceptions import ValidationError | |
| class ParseNumberFromBrackets: | |
| """Extracts the size from a string in the form of prefix[22].""" | |
| regex: Pattern # type: ignore | |
| prefix: str | |
| def __init__(self, prefix: str): | |
| self.prefix = prefix | |
| self.regex = re.compile(rf"{prefix}\[(\d+)\]") | |
| def match(self, str_repr: str) -> int: | |
| matches = self.regex.search(str_repr) | |
| if matches: | |
| return int(matches.group(1)) | |
| raise ValidationError(f"Could not match {str_repr}, expected format {self.prefix}[22]") | |