Files
meow_base/core/meow.py
2023-01-15 13:44:53 +01:00

279 lines
9.2 KiB
Python

import inspect
import sys
from typing import Any, Union
from core.correctness.vars import VALID_RECIPE_NAME_CHARS, \
VALID_PATTERN_NAME_CHARS, VALID_RULE_NAME_CHARS, VALID_CHANNELS, \
get_drt_imp_msg
from core.correctness.validation import valid_string, check_type, \
check_implementation, valid_list, valid_dict
from core.functionality import generate_id
class BaseRecipe:
name:str
recipe:Any
parameters:dict[str, Any]
requirements:dict[str, Any]
def __init__(self, name:str, recipe:Any, parameters:dict[str,Any]={},
requirements:dict[str,Any]={}):
check_implementation(type(self)._is_valid_recipe, BaseRecipe)
check_implementation(type(self)._is_valid_parameters, BaseRecipe)
check_implementation(type(self)._is_valid_requirements, BaseRecipe)
self._is_valid_name(name)
self.name = name
self._is_valid_recipe(recipe)
self.recipe = recipe
self._is_valid_parameters(parameters)
self.parameters = parameters
self._is_valid_requirements(requirements)
self.requirements = requirements
def __new__(cls, *args, **kwargs):
if cls is BaseRecipe:
msg = get_drt_imp_msg(BaseRecipe)
raise TypeError(msg)
return object.__new__(cls)
def _is_valid_name(self, name:str)->None:
valid_string(name, VALID_RECIPE_NAME_CHARS)
def _is_valid_recipe(self, recipe:Any)->None:
pass
def _is_valid_parameters(self, parameters:Any)->None:
pass
def _is_valid_requirements(self, requirements:Any)->None:
pass
class BasePattern:
name:str
recipe:str
parameters:dict[str,Any]
outputs:dict[str,Any]
def __init__(self, name:str, recipe:str, parameters:dict[str,Any]={},
outputs:dict[str,Any]={}):
check_implementation(type(self)._is_valid_recipe, BasePattern)
check_implementation(type(self)._is_valid_parameters, BasePattern)
check_implementation(type(self)._is_valid_output, BasePattern)
self._is_valid_name(name)
self.name = name
self._is_valid_recipe(recipe)
self.recipe = recipe
self._is_valid_parameters(parameters)
self.parameters = parameters
self._is_valid_output(outputs)
self.outputs = outputs
def __new__(cls, *args, **kwargs):
if cls is BasePattern:
msg = get_drt_imp_msg(BasePattern)
raise TypeError(msg)
return object.__new__(cls)
def _is_valid_name(self, name:str)->None:
valid_string(name, VALID_PATTERN_NAME_CHARS)
def _is_valid_recipe(self, recipe:Any)->None:
pass
def _is_valid_parameters(self, parameters:Any)->None:
pass
def _is_valid_output(self, outputs:Any)->None:
pass
class BaseRule:
name:str
pattern:BasePattern
recipe:BaseRecipe
pattern_type:str=""
recipe_type:str=""
def __init__(self, name:str, pattern:BasePattern, recipe:BaseRecipe):
check_implementation(type(self)._is_valid_pattern, BaseRule)
check_implementation(type(self)._is_valid_recipe, BaseRule)
self._is_valid_name(name)
self.name = name
self._is_valid_pattern(pattern)
self.pattern = pattern
self._is_valid_recipe(recipe)
self.recipe = recipe
self.__check_types_set()
def __new__(cls, *args, **kwargs):
if cls is BaseRule:
msg = get_drt_imp_msg(BaseRule)
raise TypeError(msg)
return object.__new__(cls)
def _is_valid_name(self, name:str)->None:
valid_string(name, VALID_RULE_NAME_CHARS)
def _is_valid_pattern(self, pattern:Any)->None:
pass
def _is_valid_recipe(self, recipe:Any)->None:
pass
def __check_types_set(self)->None:
if self.pattern_type == "":
raise AttributeError(f"Rule Class '{self.__class__.__name__}' "
"does not set a pattern_type.")
if self.recipe_type == "":
raise AttributeError(f"Rule Class '{self.__class__.__name__}' "
"does not set a recipe_type.")
class BaseMonitor:
_patterns: dict[str, BasePattern]
_recipes: dict[str, BaseRecipe]
_rules: dict[str, BaseRule]
to_runner: VALID_CHANNELS
def __init__(self, patterns:dict[str,BasePattern], recipes:dict[str,BaseRecipe])->None:
check_implementation(type(self).start, BaseMonitor)
check_implementation(type(self).stop, BaseMonitor)
check_implementation(type(self)._is_valid_patterns, BaseMonitor)
self._is_valid_patterns(patterns)
check_implementation(type(self)._is_valid_recipes, BaseMonitor)
self._is_valid_recipes(recipes)
check_implementation(type(self).add_pattern, BaseMonitor)
check_implementation(type(self).update_pattern, BaseMonitor)
check_implementation(type(self).remove_pattern, BaseMonitor)
check_implementation(type(self).get_patterns, BaseMonitor)
check_implementation(type(self).add_recipe, BaseMonitor)
check_implementation(type(self).update_recipe, BaseMonitor)
check_implementation(type(self).remove_recipe, BaseMonitor)
check_implementation(type(self).get_recipes, BaseMonitor)
check_implementation(type(self).get_rules, BaseMonitor)
self._patterns = patterns
self._recipes = recipes
self._rules = create_rules(patterns, recipes)
def __new__(cls, *args, **kwargs):
if cls is BaseMonitor:
msg = get_drt_imp_msg(BaseMonitor)
raise TypeError(msg)
return object.__new__(cls)
def _is_valid_patterns(self, patterns:dict[str,BasePattern])->None:
pass
def _is_valid_recipes(self, recipes:dict[str,BaseRecipe])->None:
pass
def start(self)->None:
pass
def stop(self)->None:
pass
def add_pattern(self, pattern:BasePattern)->None:
pass
def update_pattern(self, pattern:BasePattern)->None:
pass
def remove_pattern(self, pattern:Union[str,BasePattern])->None:
pass
def get_patterns(self)->None:
pass
def add_recipe(self, recipe:BaseRecipe)->None:
pass
def update_recipe(self, recipe:BaseRecipe)->None:
pass
def remove_recipe(self, recipe:Union[str,BaseRecipe])->None:
pass
def get_recipes(self)->None:
pass
def get_rules(self)->None:
pass
class BaseHandler:
def __init__(self) -> None:
check_implementation(type(self).handle, BaseHandler)
check_implementation(type(self).valid_event_types, BaseHandler)
def __new__(cls, *args, **kwargs):
if cls is BaseHandler:
msg = get_drt_imp_msg(BaseHandler)
raise TypeError(msg)
return object.__new__(cls)
def valid_event_types(self)->list[str]:
pass
def handle(self, event:Any)->None:
pass
def create_rules(patterns:Union[dict[str,BasePattern],list[BasePattern]],
recipes:Union[dict[str,BaseRecipe],list[BaseRecipe]],
new_rules:list[BaseRule]=[])->dict[str,BaseRule]:
check_type(patterns, dict, alt_types=[list])
check_type(recipes, dict, alt_types=[list])
valid_list(new_rules, BaseRule, min_length=0)
if isinstance(patterns, list):
valid_list(patterns, BasePattern, min_length=0)
patterns = {pattern.name:pattern for pattern in patterns}
else:
valid_dict(patterns, str, BasePattern, strict=False, min_length=0)
for k, v in patterns.items():
if k != v.name:
raise KeyError(
f"Key '{k}' indexes unexpected Pattern '{v.name}' "
"Pattern dictionaries must be keyed with the name of the "
"Pattern.")
if isinstance(recipes, list):
valid_list(recipes, BaseRecipe, min_length=0)
recipes = {recipe.name:recipe for recipe in recipes}
else:
valid_dict(recipes, str, BaseRecipe, strict=False, min_length=0)
for k, v in recipes.items():
if k != v.name:
raise KeyError(
f"Key '{k}' indexes unexpected Recipe '{v.name}' "
"Recipe dictionaries must be keyed with the name of the "
"Recipe.")
generated_rules = {}
for pattern in patterns.values():
if pattern.recipe in recipes:
rule = create_rule(pattern, recipes[pattern.recipe])
generated_rules[rule.name] = rule
return generated_rules
def create_rule(pattern:BasePattern, recipe:BaseRecipe,
new_rules:list[BaseRule]=[])->BaseRule:
check_type(pattern, BasePattern)
check_type(recipe, BaseRecipe)
valid_list(new_rules, BaseRule, min_length=0)
# Imported here to avoid circular imports at top of file
import rules
all_rules ={(r.pattern_type, r.recipe_type):r for r in [r[1] \
for r in inspect.getmembers(sys.modules["rules"], inspect.isclass) \
if (issubclass(r[1], BaseRule))]}
key = (type(pattern).__name__, type(recipe).__name__)
if (key) in all_rules:
return all_rules[key](
generate_id(prefix="Rule_"),
pattern,
recipe
)
raise TypeError(f"No valid rule for Pattern '{pattern}' and Recipe "
f"'{recipe}' could be found.")