Some environment related functions.
-
LOGDIR, VARRUN, FLAGDIR: lambdas defining standard places used in other modules
-
envsub: replace substrings of the form '$var' with the value of 'var' from
environ. -
getenv: fetch environment value, optionally performing substitution
Function envsub(s, environ=None, default=None)
Replace substrings of the form '$var' with the value of 'var' from environ.
Parameters:
environ: environment mapping, defaultos.environ.default: value to substitute for unknown vars; ifdefaultisNoneaValueErroris raised.
Function getenv(var, default=None, environ=None, dosub=False)
Fetch environment value.
Parameters:
var: name of variable to fetch.default: default value if not present. If not specified or None, raise KeyError.environ: environment mapping, defaultos.environ.dosub: if true, use envsub() to perform environment variable substitution ondefaultif it used. Default value isFalse.
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