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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
analyze	[ DIR ]	drwxr-xr-x
cmd	[ DIR ]	drwxr-xr-x
config	[ DIR ]	drwxr-xr-x
distros	[ DIR ]	drwxr-xr-x
filters	[ DIR ]	drwxr-xr-x
handlers	[ DIR ]	drwxr-xr-x
log	[ DIR ]	drwxr-xr-x
mergers	[ DIR ]	drwxr-xr-x
net	[ DIR ]	drwxr-xr-x
reporting	[ DIR ]	drwxr-xr-x
sources	[ DIR ]	drwxr-xr-x
__init__.py	0 B	-rw-r--r--
apport.py	8.3 KB	-rw-r--r--
atomic_helper.py	2.79 KB	-rw-r--r--
cloud.py	3.22 KB	-rw-r--r--
dmi.py	7.81 KB	-rw-r--r--
event.py	2 KB	-rw-r--r--
features.py	5.28 KB	-rw-r--r--
gpg.py	7.99 KB	-rw-r--r--
helpers.py	16.16 KB	-rw-r--r--
importer.py	2.43 KB	-rw-r--r--
lifecycle.py	7.79 KB	-rw-r--r--
netinfo.py	24.07 KB	-rw-r--r--
performance.py	3.1 KB	-rw-r--r--
persistence.py	2.52 KB	-rw-r--r--
registry.py	1022 B	-rw-r--r--
safeyaml.py	10.11 KB	-rw-r--r--
settings.py	2.12 KB	-rw-r--r--
signal_handler.py	3.92 KB	-rw-r--r--
simpletable.py	1.93 KB	-rw-r--r--
socket.py	5.93 KB	-rw-r--r--
ssh_util.py	22.21 KB	-rw-r--r--
stages.py	41.53 KB	-rw-r--r--
subp.py	12.43 KB	-rw-r--r--
temp_utils.py	2.94 KB	-rw-r--r--
templater.py	7.74 KB	-rw-r--r--
type_utils.py	703 B	-rw-r--r--
url_helper.py	38.15 KB	-rw-r--r--
user_data.py	14.44 KB	-rw-r--r--
util.py	90.38 KB	-rw-r--r--
version.py	568 B	-rw-r--r--
warnings.py	3.76 KB	-rw-r--r--

Code Editor : importer.py

# Copyright (C) 2012 Canonical Ltd.
# Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Scott Moser <scott.moser@canonical.com>
# Author: Juerg Haefliger <juerg.haefliger@hp.com>
# Author: Joshua Harlow <harlowja@yahoo-inc.com>
#
# This file is part of cloud-init. See LICENSE file for license information.

import importlib
from types import ModuleType
from typing import Optional, Sequence

from cloudinit import util

def import_module(module_name: str) -> ModuleType:
    return importlib.import_module(module_name)

def _count_attrs(
    module_name: str, attrs: Optional[Sequence[str]] = None
) -> int:
    found_attrs = 0
    if not attrs:
        return found_attrs
    mod = importlib.import_module(module_name)
    for attr in attrs:
        if hasattr(mod, attr):
            found_attrs += 1
    return found_attrs

def match_case_insensitive_module_name(mod_name: str) -> Optional[str]:
    """Check the importable datasource modules for a case-insensitive match."""

# nocloud-net is the only datasource that requires matching on a name that
    # does not match its python module - canonicalize it here
    if "nocloud-net" == mod_name.lower():
        mod_name = mod_name[:-4]
    if not mod_name.startswith("DataSource"):
        mod_name = f"DataSource{mod_name}"
    modules = {}
    spec = importlib.util.find_spec("cloudinit.sources")
    if spec and spec.submodule_search_locations:
        for dir in spec.submodule_search_locations:
            modules.update(util.get_modules_from_dir(dir))
        for module in modules.values():
            if module.lower() == mod_name.lower():
                return module
    return mod_name

def find_module(
    base_name: str,
    search_paths: Sequence[str],
    required_attrs: Optional[Sequence[str]] = None,
) -> tuple:
    """Finds specified modules"""
    if not required_attrs:
        required_attrs = []
    lookup_paths = []
    found_paths = []

for path in search_paths:
        # Add base name to search paths. Filter out empty paths.
        full_path = ".".join(filter(None, [path, base_name]))
        lookup_paths.append(full_path)
        if not importlib.util.find_spec(full_path):
            continue
        # Check that required_attrs are all present within the module.
        if _count_attrs(full_path, required_attrs) == len(required_attrs):
            found_paths.append(full_path)
    return (found_paths, lookup_paths)

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Code Editor : importer.py