mirror of
https://github.com/thegeeklab/ansible-doctor.git
synced 2024-11-13 00:30:40 +00:00
86 lines
2.4 KiB
Python
86 lines
2.4 KiB
Python
"""Utils for YAML file operations."""
|
|
|
|
from collections import defaultdict
|
|
from contextlib import suppress
|
|
|
|
import ruamel.yaml
|
|
from ansible.parsing.yaml.loader import AnsibleLoader
|
|
|
|
import ansibledoctor.exception
|
|
|
|
|
|
class UnsafeTag:
|
|
"""Handle custom yaml unsafe tag."""
|
|
|
|
yaml_tag = "!unsafe"
|
|
|
|
def __init__(self, value):
|
|
self.unsafe = value
|
|
|
|
@staticmethod
|
|
def yaml_constructor(loader, node):
|
|
return loader.construct_scalar(node)
|
|
|
|
|
|
def parse_yaml_ansible(yamlfile):
|
|
try:
|
|
loader = AnsibleLoader(yamlfile)
|
|
data = loader.get_single_data() or []
|
|
except (
|
|
ruamel.yaml.parser.ParserError,
|
|
ruamel.yaml.scanner.ScannerError,
|
|
ruamel.yaml.constructor.ConstructorError,
|
|
ruamel.yaml.composer.ComposerError,
|
|
) as e:
|
|
message = (
|
|
f"{e.context} in line {e.context_mark.line}, column {e.context_mark.line}\n"
|
|
f"{e.problem} in line {e.problem_mark.line}, column {e.problem_mark.column}"
|
|
)
|
|
raise ansibledoctor.exception.YAMLError(message) from e
|
|
|
|
return data
|
|
|
|
|
|
def parse_yaml(yamlfile):
|
|
try:
|
|
ruamel.yaml.add_constructor(
|
|
UnsafeTag.yaml_tag,
|
|
UnsafeTag.yaml_constructor,
|
|
constructor=ruamel.yaml.SafeConstructor,
|
|
)
|
|
|
|
data = ruamel.yaml.YAML(typ="rt").load(yamlfile)
|
|
_yaml_remove_comments(data)
|
|
data = defaultdict(dict, data or {})
|
|
except (
|
|
ruamel.yaml.parser.ParserError,
|
|
ruamel.yaml.scanner.ScannerError,
|
|
ruamel.yaml.constructor.ConstructorError,
|
|
ruamel.yaml.composer.ComposerError,
|
|
) as e:
|
|
message = (
|
|
f"{e.context} in line {e.context_mark.line}, column {e.context_mark.line}\n"
|
|
f"{e.problem} in line {e.problem_mark.line}, column {e.problem_mark.column}"
|
|
)
|
|
raise ansibledoctor.exception.YAMLError(message) from e
|
|
|
|
return data
|
|
|
|
|
|
def _yaml_remove_comments(d):
|
|
if isinstance(d, dict):
|
|
for k, v in d.items():
|
|
_yaml_remove_comments(k)
|
|
_yaml_remove_comments(v)
|
|
elif isinstance(d, list):
|
|
for elem in d:
|
|
_yaml_remove_comments(elem)
|
|
|
|
with suppress(AttributeError):
|
|
attr = (
|
|
"comment"
|
|
if isinstance(d, ruamel.yaml.scalarstring.ScalarString)
|
|
else ruamel.yaml.comments.Comment.attrib
|
|
)
|
|
delattr(d, attr)
|