mirror of
https://github.com/45Drives/cockpit-navigator.git
synced 2025-08-20 00:58:33 +02:00
79 lines
2.0 KiB
Python
Executable File
79 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Cockpit Navigator - A File System Browser for Cockpit.
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Copyright (C) 2021 Josh Boudreau <jboudreau@45drives.com>
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This file is part of Cockpit Navigator.
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Cockpit Navigator is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Cockpit Navigator is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Cockpit Navigator. If not, see <https://www.gnu.org/licenses/>.
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"""
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"""
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Synopsis: `echo <newline delimited JSON objects> | write-chunks.py3`
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JSON objects are of form:
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obj = {
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seek: <byte offset>
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chunk: <base64 encoded data chunk>
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}
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"""
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import base64
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import os
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import sys
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import json
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def write_chunk(chunk, fd):
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seek = chunk["seek"]
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data = base64.b64decode(chunk["chunk"])
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os.lseek(fd, seek, os.SEEK_SET)
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os.write(fd, data)
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def create_path(path):
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try:
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if not os.path.exists(path):
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os.makedirs(path, exist_ok=True)
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elif os.path.isfile(path):
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print(path + ": exists and is not a directory.")
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sys.exit(1)
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except Exception as e:
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print(e)
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sys.exit(1)
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def main():
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if len(sys.argv) != 2:
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print("Invalid number of arguments.")
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sys.exit(1)
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fd = None
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path = sys.argv[1]
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parent_path = os.path.dirname(path)
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create_path(parent_path)
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try:
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fd = os.open(sys.argv[1], os.O_WRONLY | os.O_TRUNC | os.O_CREAT)
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while True:
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try:
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json_in = input()
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except EOFError:
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break
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json_list = json_in.split("\n") # need to split in case writes happen faster than reads
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for json_obj in json_list:
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obj_in = json.loads(json_obj)
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write_chunk(obj_in, fd)
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except Exception as e:
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print(e)
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os.close(fd)
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sys.exit(1)
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os.close(fd)
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sys.exit(0)
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if __name__ == "__main__":
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main()
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