mirror of
https://github.com/thegeeklab/docker-autotag.git
synced 2024-11-05 00:40:40 +00:00
36 lines
724 B
Python
36 lines
724 B
Python
|
"""Global utility methods and classes."""
|
||
|
|
|
||
|
|
import os
|
||
|
|
from distutils.util import strtobool
|
||
|
|
|
||
|
|
|
||
|
|
def normalize_path(path):
|
||
|
|
if path:
|
||
|
|
return os.path.abspath(os.path.expanduser(os.path.expandvars(path)))
|
||
|
|
|
||
|
|
|
||
|
|
def to_bool(string):
|
||
|
|
return bool(strtobool(str(string)))
|
||
|
|
|
||
|
|
|
||
|
|
def trim_prefix(text, prefix):
|
||
|
|
if text.startswith(prefix):
|
||
|
|
return text[len(prefix):]
|
||
|
|
return text
|
||
|
|
|
||
|
|
|
||
|
|
def to_prerelease(tup):
|
||
|
|
res = "".join(tup)
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class Singleton(type):
|
||
|
|
"""Meta singleton class."""
|
||
|
|
|
||
|
|
_instances = {}
|
||
|
|
|
||
|
|
def __call__(cls, *args, **kwargs):
|
||
|
|
if cls not in cls._instances:
|
||
|
|
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
|
||
|
|
return cls._instances[cls]
|