ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib / python3.6 / site-packages / cloudinit

# This file is part of cloud-init. See LICENSE file for license information.

import json
import logging
import os
import stat
import tempfile
from base64 import b64decode, b64encode

_DEF_PERMS = 0o644
LOG = logging.getLogger(__name__)

def b64d(source):
    # Base64 decode some data, accepting bytes or unicode/str, and returning
    # str/unicode if the result is utf-8 compatible, otherwise returning bytes.
    decoded = b64decode(source)
    try:
        return decoded.decode("utf-8")
    except UnicodeDecodeError:
        return decoded

def b64e(source):
    # Base64 encode some data, accepting bytes or unicode/str, and returning
    # str/unicode if the result is utf-8 compatible, otherwise returning bytes.
    if not isinstance(source, bytes):
        source = source.encode("utf-8")
    return b64encode(source).decode("utf-8")

def write_file(
    filename, content, mode=_DEF_PERMS, omode="wb", preserve_mode=False
):
    # open filename in mode 'omode', write content, set permissions to 'mode'

if preserve_mode:
        try:
            file_stat = os.stat(filename)
            mode = stat.S_IMODE(file_stat.st_mode)
        except OSError:
            pass

tf = None
    try:
        tf = tempfile.NamedTemporaryFile(
            dir=os.path.dirname(filename), delete=False, mode=omode
        )
        LOG.debug(
            "Atomically writing to file %s (via temporary file %s) - %s: [%o]"
            " %d bytes/chars",
            filename,
            tf.name,
            omode,
            mode,
            len(content),
        )
        tf.write(content)
        tf.close()
        os.chmod(tf.name, mode)
        os.rename(tf.name, filename)
    except Exception as e:
        if tf is not None:
            os.unlink(tf.name)
        raise e

def json_serialize_default(_obj):
    """Handler for types which aren't json serializable."""
    try:
        return "ci-b64:{0}".format(b64e(_obj))
    except AttributeError:
        return "Warning: redacted unserializable type {0}".format(type(_obj))

def json_dumps(data):
    """Return data in nicely formatted json."""
    return json.dumps(
        data,
        indent=1,
        sort_keys=True,
        separators=(",", ": "),
        default=json_serialize_default,
    )

def write_json(filename, data, mode=_DEF_PERMS):
    # dump json representation of data to file filename.
    return write_file(
        filename,
        json_dumps(data) + "\n",
        omode="w",
        mode=mode,
    )

[-] importer.py [edit]
[-] ssh_util.py [edit]
[-] dmi.py [edit]
[+] distros
[-] persistence.py [edit]
[-] stages.py [edit]
[-] cloud.py [edit]
[-] subp.py [edit]
[-] temp_utils.py [edit]
[-] __init__.py [edit]
[-] user_data.py [edit]
[-] settings.py [edit]
[-] helpers.py [edit]
[-] features.py [edit]
[+] net
[-] atomic_helper.py [edit]
[+] config
[-] safeyaml.py [edit]
[-] event.py [edit]
[-] registry.py [edit]
[+] reporting
[+] __pycache__
[+] filters
[-] version.py [edit]
[-] signal_handler.py [edit]
[-] gpg.py [edit]
[-] warnings.py [edit]
[-] type_utils.py [edit]
[-] simpletable.py [edit]
[+] sources
[-] apport.py [edit]
[-] url_helper.py [edit]
[+] cmd
[-] util.py [edit]
[+] mergers
[-] netinfo.py [edit]
[+] handlers
[+] ..
[+] analyze
[-] templater.py [edit]
[-] log.py [edit]