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#!/usr/bin/env python3
# Copyright (C) 2005-2007 Carabos Coop. V. All rights reserved
# Copyright (C) 2008-2024 Vicent Mas. All rights reserved
#
# 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/>.
#
# Author: Vicent Mas - vmas@vitables.org
#
# This script is based on a script by Ivan Vilata.
"""How to use the filenode module."""
import tables
from tables.nodes import filenode
h5file = tables.open_file('../misc/fnode.h5', 'w')
fnode = filenode.new_node(h5file, where='/', name='fnode_test')
counter = 0
while counter < 100000:
line = f"This is a line inserted programmatically at position {counter}\n"
fnode.write(line.encode("utf-8"))
counter += 1
fnode.close()
node = h5file.root.fnode_test
fnode = filenode.open_node(node, 'a+')
fnode.write(bytearray("This is the last line.\n", "utf-8"))
fnode.attrs.content_type = 'text/plain; charset=us-ascii'
fnode.attrs.author = "Ivan Vilata i Balaguer"
fnode.attrs.creation_date = '2004-10-20T13:25:25+0200'
fnode.attrs.keywords_en = ["FileNode", "test", "metadata"]
fnode.attrs.keywords_ca = ["FileNode", "prova", "metadades"]
fnode.attrs.owner = 'ivan'
fnode.attrs.acl = {'ivan': 'rw', '@users': 'r'}
fnode.close()
h5file.close()
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