rintrix/utils.py

62 lines
2.1 KiB
Python

from dataclasses import dataclass, field, _MISSING_TYPE as mt
class Event():
def __init__(self,event_type,data,raw_data,outbound=False):
self.event_type=event_type
self.data=data
self.raw_data=raw_data
self.outbound=outbound
class Listener():
def __init__(self,name,match,function,):
self.name=name or function.__name__
self.match=match
self._matchstr=isinstance(match,str)
self.function=function
def __call__(self,*args,**kwargs):
self.function(*args,**kwargs)
def __eq__(self,other):
if isinstance(other,str):
if self._matchstr: return self.match==other
return self.match(other) # If it's not a string, assume it's a callable.
else: return super.__eq__(self,other)
def __str__(self): return self.name
# I HATE THE TYPEHINTS! I HATE THE TYPEHINTS!
# I REALLY fucking hate the typehints. This is the messiest fucking shit.
# WHY IS THIS NOT JUST A DEFAULT THING IN DATACLASS
# Please tell me as soon as this egregious oversight is corrected.
# I hate this function so much, I want to delete it ASAP.
def redc(classy):
wrapped=dataclass(classy)
def from_dict(somedict):
# Sure would be nice if we could just ask for a list of required args.
count=len(dict(filter(lambda x:isinstance(x[1].default,mt) and isinstance(x[1].default_factory,mt),wrapped.__dataclass_fields__.items())))
p=wrapped(*[None]*count)
for k,v in somedict.items():
if k not in p.__dict__: continue
t=p.__dataclass_fields__[k].type
try: parsed=t(v)
except TypeError:
for n in t.__args__:
try: parsed=n(v)
except: continue
else: break
# Everything failed so just leave it as default. 🤷
# Watch that somehow generate an error one day anyway.
else: parsed=p.__dict__[k]
p.__dict__[k]=parsed
wrapped.from_dict=from_dict
return wrapped
def get_or_create(needle,haystack,default):
"""
This is a wrapper for filter that can add stuff. Nothing special. Needle is a function, default isn't. Haystack is a list. I might fix that later.
"""
f=filter(needle,haystack)
try: return next(f)
except StopIteration: pass
haystack.append(default)
return default