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
|
"""This submodule contains utility code for Prance."""
__author__ = "Jens Finkhaeuser"
__copyright__ = "Copyright (c) 2016-2021 Jens Finkhaeuser"
__license__ = "MIT"
__all__ = ("iterators", "fs", "formats", "resolver", "url", "path", "exceptions")
def stringify_keys(data):
"""
Recursively stringify keys in a dict-like object.
:param dict-like data: A dict-like object to stringify keys in.
:return: A new dict-like object of the same type with stringified keys,
but the same values.
"""
from collections.abc import Mapping
assert isinstance(data, Mapping)
ret = type(data)()
for key, value in data.items():
if not isinstance(key, str):
key = str(key)
if isinstance(value, Mapping):
value = stringify_keys(value)
ret[key] = value
return ret
def validation_backends():
"""Return a list of validation backends supported by the environment."""
ret = []
try:
import flex # noqa: F401
ret.append("flex") # pragma: nocover
except (ImportError, SyntaxError): # pragma: nocover
pass
try:
import openapi_spec_validator # noqa: F401
ret.append("openapi-spec-validator") # pragma: nocover
except (ImportError, SyntaxError): # pragma: nocover
pass
try:
import swagger_spec_validator # noqa: F401
ret.append("swagger-spec-validator") # pragma: nocover
except (ImportError, SyntaxError): # pragma: nocover
pass
return tuple(ret)
def default_validation_backend():
"""Return the default validation backend, or raise an error."""
backends = validation_backends()
if len(backends) <= 0: # pragma: nocover
raise RuntimeError(
"No validation backend available! Install one of "
'"flex", "openapi-spec-validator" or "swagger-spec-validator".'
)
return backends[0]
|
