1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
################################################################################
# BSD LICENSE
#
# Copyright(c) 2019-2023 Intel Corporation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
################################################################################
from os.path import join, dirname
import json
import jsonschema
class Env:
env = {}
def __init__(self):
pass
@staticmethod
def load_json_schema(filename):
"""
Loads the given schema file
Parameters:
filename: path to JSON schema file
Returns:
schema: schema
resolver: resolver
"""
# find path to schema
relative_path = join('../schema', filename)
absolute_path = join(dirname(__file__), relative_path)
# path to all schema files
schema_path = 'file:' + str(join(dirname(__file__), '../schema')) + '/'
# pylint: disable=unspecified-encoding
with open(absolute_path) as schema_file:
# add resolver for python to find all schema files
schema = json.loads(schema_file.read())
return schema, jsonschema.RefResolver(schema_path, schema)
def load(self, path):
# pylint: disable=unspecified-encoding
with open(path) as fd:
data = json.load(fd)
# validates config schema
schema, resolver = Env.load_json_schema('env.json')
jsonschema.validate(data, schema, resolver=resolver)
Env.env = data
def get(self, *args):
val = Env.env
for arg in args:
val = val[arg]
return val
def exists(self, *args):
val = Env.env
for arg in args:
if arg not in val:
return False
val = val[arg]
return True
|
