# Climate indicator manager - a package for managing and building climate indicator dashboards.
# Copyright (c) 2024 John Kennedy
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from pathlib import Path
from typing import List
import numpy as np
import climind.data_types.timeseries as ts
from climind.data_manager.metadata import CombinedMetadata
from climind.readers.generic_reader import read_ts
[docs]
def read_chunk(f, search_string):
years = []
values = []
for line in f:
if line == ' \n' or line == '\n':
break
columns = line.split()
if len(columns) < 3:
break
years.append(int(np.floor(float(columns[1]))))
value_column = 2
if search_string == 'CH4':
value_column = 3
values.append(float(columns[value_column]))
return years, values
[docs]
def read_annual_ts(filename: List[Path], metadata: CombinedMetadata) -> ts.TimeSeriesAnnual:
years = []
anomalies = []
if metadata['variable'] == 'ch4':
search_string = 'CH4'
elif metadata['variable'] == 'n2o':
search_string = 'N2O'
elif metadata['variable'] == 'co2':
search_string = 'CO2'
else:
raise ValueError
with open(filename[0], 'r') as f:
for line in f:
if search_string in line:
break
years, values = read_chunk(f, search_string)
metadata.creation_message()
return ts.TimeSeriesAnnual(years, values, metadata=metadata)