aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/PyYAML/py2/_yaml/__init__.py
blob: fb6764718a644e16a7d9662dcc3c5231580da552 (plain) (blame)
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
# This is a stub package designed to roughly emulate the _yaml 
# extension module, which previously existed as a standalone module 
# and has been moved into the `yaml` package namespace. 
# It does not perfectly mimic its old counterpart, but should get 
# close enough for anyone who's relying on it even when they shouldn't. 
import yaml 
 
# in some circumstances, the yaml module we imoprted may be from a different version, so we need 
# to tread carefully when poking at it here (it may not have the attributes we expect) 
if not getattr(yaml, '__with_libyaml__', False): 
    from sys import version_info 
 
    exc = ModuleNotFoundError if version_info >= (3, 6) else ImportError 
    raise exc("No module named '_yaml'") 
else: 
    from yaml._yaml import * 
    import warnings 
    warnings.warn( 
        'The _yaml extension module is now located at yaml._yaml' 
        ' and its location is subject to change.  To use the' 
        ' LibYAML-based parser and emitter, import from `yaml`:' 
        ' `from yaml import CLoader as Loader, CDumper as Dumper`.', 
        DeprecationWarning 
    ) 
    del warnings 
    # Don't `del yaml` here because yaml is actually an existing 
    # namespace member of _yaml. 
 
__name__ = '_yaml' 
# If the module is top-level (i.e. not a part of any specific package) 
# then the attribute should be set to ''. 
# https://docs.python.org/3.8/library/types.html 
__package__ = ''