diff options
Diffstat (limited to 'utils_prog.py')
| -rw-r--r-- | utils_prog.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/utils_prog.py b/utils_prog.py index 7bf4aee..b286220 100644 --- a/utils_prog.py +++ b/utils_prog.py @@ -243,7 +243,20 @@ dirname_x = lambda p, c=1: reduce(lambda x, y: dirname(x), xrange(c), p) @selfaware def defer_common(me, fnc, skip=0): - """Use when you have a func with common initial kwargs consumption""" + """Use when you have a func with common initial kwargs consumption + + Calling this on another function will, upon invocation, first look + at default argument to `_common` keyword parameter, and if present, + will consider it as a function to be run before the one passed as + an argument; aside from returning a function decorated in a stated + way, it will also return dict of function paramater defaults (joint + for both original and '_common' function) and a list of joint + function arguments. + + In other words, it allows DRY principle for common shared initial + kwargs "consumer" function on top of (actually prior to) the function + being passed in as an argument. + """ fnc_defaults, fnc_varnames = func_defaults_varnames(fnc, skip=skip) common = fnc_defaults.pop('_common', None) if not common: |