arvados.config 

 1# Copyright (C) The Arvados Authors. All rights reserved.
 2#
 3# SPDX-License-Identifier: Apache-2.0
 4
 5# config.py - configuration settings and global variables for Arvados clients
 6#
 7# Arvados configuration settings are taken from $HOME/.config/arvados.
 8# Environment variables override settings in the config file.
 9
10import os
11import re
12
13from typing import (
14    Callable,
15    Iterable,
16    Union,
17)
18
19from . import util
20from ._internal import basedirs
21
22_settings = None
23default_config_file = ''
24"""
25.. WARNING:: Deprecated
26   Default configuration initialization now searches for the "default"
27   configuration in several places. This value no longer has any effect.
28"""
29
30KEEP_BLOCK_SIZE = 2**26
31EMPTY_BLOCK_LOCATOR = 'd41d8cd98f00b204e9800998ecf8427e+0'
32
33def initialize(
34        config_file: Union[
35            str,
36            os.PathLike,
37            Callable[[str], Iterable[os.PathLike]],
38        ]=basedirs.BaseDirectories('CONFIG').search,
39) -> None:
40    global _settings
41    _settings = {}
42
43    if callable(config_file):
44        search_paths = iter(config_file('settings.conf'))
45        config_file = next(search_paths, '')
46
47    # load the specified config file if available
48    try:
49        _settings = load(config_file)
50    except IOError:
51        pass
52
53    # override any settings with environment vars
54    for var in os.environ:
55        if var.startswith('ARVADOS_'):
56            _settings[var] = os.environ[var]
57
58def load(config_file):
59    cfg = {}
60    with open(config_file, "r") as f:
61        for config_line in f:
62            if re.match(r'^\s*(?:#|$)', config_line):
63                continue
64            var, val = config_line.rstrip().split('=', 2)
65            cfg[var] = val
66    return cfg
67
68def flag_is_true(key, d=None):
69    if d is None:
70        d = settings()
71    return d.get(key, '').lower() in set(['1', 't', 'true', 'y', 'yes'])
72
73def get(key, default_val=None):
74    return settings().get(key, default_val)
75
76def settings():
77    if _settings is None:
78        initialize()
79    return _settings
default_config_file = ''
KEEP_BLOCK_SIZE = 67108864
EMPTY_BLOCK_LOCATOR = 'd41d8cd98f00b204e9800998ecf8427e+0'
def initialize( config_file: Union[str, os.PathLike, Callable[[str], Iterable[os.PathLike]]] = <bound method BaseDirectories.search of <arvados._internal.basedirs.BaseDirectories object>>) -> None: 
34def initialize(
35        config_file: Union[
36            str,
37            os.PathLike,
38            Callable[[str], Iterable[os.PathLike]],
39        ]=basedirs.BaseDirectories('CONFIG').search,
40) -> None:
41    global _settings
42    _settings = {}
43
44    if callable(config_file):
45        search_paths = iter(config_file('settings.conf'))
46        config_file = next(search_paths, '')
47
48    # load the specified config file if available
49    try:
50        _settings = load(config_file)
51    except IOError:
52        pass
53
54    # override any settings with environment vars
55    for var in os.environ:
56        if var.startswith('ARVADOS_'):
57            _settings[var] = os.environ[var]
def load(config_file): 
59def load(config_file):
60    cfg = {}
61    with open(config_file, "r") as f:
62        for config_line in f:
63            if re.match(r'^\s*(?:#|$)', config_line):
64                continue
65            var, val = config_line.rstrip().split('=', 2)
66            cfg[var] = val
67    return cfg
def flag_is_true(key, d=None): 
69def flag_is_true(key, d=None):
70    if d is None:
71        d = settings()
72    return d.get(key, '').lower() in set(['1', 't', 'true', 'y', 'yes'])
def get(key, default_val=None): 
74def get(key, default_val=None):
75    return settings().get(key, default_val)
def settings(): 
77def settings():
78    if _settings is None:
79        initialize()
80    return _settings