435 lines
13 KiB
Python
Executable File
435 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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--- Reaction Systems Manipulation
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"""
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#
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# TODO:
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#
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# * zamiast zbiorów - listy
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# * index pobieramy za pomoca .index()
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# * nie dopuszczamy modyfikacji listy stanow/background_set, itp.
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# * uzywamy setterow i getterow
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#
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from sys import exit
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class ContextAutomaton(object):
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def __init__(self, reaction_system):
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self.__states = []
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self.__transitions = []
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self.__init_state = None
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self.__reaction_system = reaction_system
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@property
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def states(self):
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return self.__states
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@property
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def transitions(self):
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return self.__transitions
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def add_state(self, name):
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if name not in self.__states:
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self.__states.append(name)
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else:
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print("\'%s\' already added. skipping..." % (name,))
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def add_init_state(self, name):
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self.add_state(name)
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self.__init_state = self.__states.index(name)
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def get_init_state_name(self):
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if self.__init_state == None:
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return None
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return self.__states[self.__init_state]
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def is_state(self, name):
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if name in self.__states:
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return True
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else:
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return False
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def get_state_id(self, name):
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try:
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return self.__states.index(name)
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except ValueError:
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print("Undefined context automaton state: " + repr(name))
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exit(1)
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def get_init_state_id(self):
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return self.__init_state
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def print_states(self):
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for state in self.__states:
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print(state)
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def is_valid_context(self, context):
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if set(context).issubset(self.__reaction_system.background_set):
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return True
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else:
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return False
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def add_transition(self, src, context_set, dst):
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if not type(context_set) is set and not type(context_set) is list:
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print("Contexts set must be of type set or list")
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if not self.is_valid_context(context_set):
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raise RuntimeError("one of the entities in the context set is unknown (undefined)!")
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if not self.is_state(src):
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raise RuntimeError("\"" + src + "\" is an unknown (undefined) state")
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if not self.is_state(dst):
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raise RuntimeError("\"" + dst + "\" is an unknown (undefined) state")
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new_context_set = set()
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for e in set(context_set):
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new_context_set.add(self.__reaction_system.get_entity_id(e))
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self.__transitions.append((self.get_state_id(src),new_context_set,self.get_state_id(dst)))
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def context2str(self, ctx):
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"""Converts the set of entities ids into the string with their names"""
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if len(ctx) == 0:
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return "0"
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s = "{"
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for c in ctx:
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s += " " + self.__reaction_system.get_entity_name(c)
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s += " }"
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return s
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def show_transitions(self):
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print("[*] Context automaton transitions:")
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for transition in self.__transitions:
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str_transition = str(transition[0]) + " --( "
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str_transition += self.context2str(transition[1])
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str_transition += " )--> " + str(transition[2])
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print("\t- " + str_transition)
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def show_states(self):
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init_state_name = self.get_init_state_name()
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print("[*] Context automaton states:")
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for state in self.__states:
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print("\t- " + state, end="")
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if state == init_state_name:
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print(" [init]")
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else:
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print()
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def show(self):
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self.show_states()
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self.show_transitions()
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class ReactionSystem(object):
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def __init__(self):
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self.reactions = []
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self.background_set = []
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self.init_contexts = []
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self.context_entities = []
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self.reactions_by_agents = [] # each element is 'reactions_by_prod'
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self.reactions_by_prod = None
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def add_bg_set_entity(self, name):
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if not self.is_in_background_set(name):
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self.background_set.append(name)
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else:
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print("The entity", name, "is already on the list")
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raise
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def add_bg_set_entities(self, names):
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for name in names:
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self.add_bg_set_entity(name)
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def is_in_background_set(self, entity):
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"""Checks if the given name is valid wrt the background set="""
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if entity in self.background_set:
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return True
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else:
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return False
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def get_entity_id(self, name):
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try:
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return self.background_set.index(name)
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except ValueError:
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print("Undefined background set entity: " + repr(name))
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exit(1)
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def get_state_ids(self, state):
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ids = []
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for entity in state:
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ids.append(self.get_entity_id(entity))
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return ids
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def get_entity_name(self, entity_id):
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"""Returns the string corresponding to the entity"""
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return self.background_set[entity_id]
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def add_reaction(self, R, I, P):
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"""Adds a reaction"""
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if R == [] or P == []:
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print("No reactants of products defined")
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raise
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reactants = []
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for entity in R:
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reactants.append(self.get_entity_id(entity))
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inhibitors = []
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for entity in I:
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inhibitors.append(self.get_entity_id(entity))
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products = []
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for entity in P:
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products.append(self.get_entity_id(entity))
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self.reactions.append((reactants, inhibitors, products))
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def add_initial_context_set(self, context_set):
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if context_set == []:
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print("Empty context set is not allowed")
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raise
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integers = []
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for entity in context_set:
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if not entity in self.background_set:
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print("The entity", entity, "is not in the background set")
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raise
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else:
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integers.append(self.get_entity_id(entity))
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self.init_contexts.append(integers)
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def set_context_entities(self, entities):
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for entity in entities:
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entity_id = self.get_entity_id(entity)
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self.context_entities.append(entity_id)
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def entities_names_set_to_str(self, entities):
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s = ""
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for entity in entities:
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s += entity + ", "
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s = s[:-2]
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return s
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def entities_ids_set_to_str(self, entities):
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s = ""
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for entity in entities:
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s += self.get_entity_name(entity) + ", "
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s = s[:-2]
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return s
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def state_to_str(self, state):
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return self.entities_ids_set_to_str(state)
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def show_reactions(self, soft=False):
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print("[*] Reactions:")
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if soft and len(self.reactions) > 50:
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print("\t -> there are more than 50 reactions (" + str(len(self.reactions)) + ")")
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else:
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for reaction in self.reactions:
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print("\t - ( R={" + self.state_to_str(reaction[0]) + "}, \tI={" + self.state_to_str(reaction[1]) + "}, \tP={" + self.state_to_str(reaction[2]) + "} )")
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def show_background_set(self):
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print("[*] Background set: {" + self.entities_names_set_to_str(self.background_set) + "}")
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def show_initial_contexts(self):
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if len(self.init_contexts) > 0:
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print("[*] Initial context sets:")
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for ctx in self.init_contexts:
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print("\t - {" + self.entities_ids_set_to_str(ctx) + "}")
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def show_context_entities(self):
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if len(self.context_entities) > 0:
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print("[*] Context entities: " + self.entities_ids_set_to_str(self.context_entities))
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def show(self, soft=False):
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self.show_background_set()
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self.show_initial_contexts()
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self.show_reactions(soft)
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self.show_context_entities()
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def get_reactions_by_product(self):
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"""Sorts reactions by their products and returns a dictionary of products"""
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if self.reactions_by_prod != None:
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return self.reactions_by_prod
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producible_entities = set()
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for reaction in self.reactions:
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producible_entities = producible_entities.union(set(reaction[2]))
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reactions_by_prod = {}
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for prod_entity in producible_entities:
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reactions_by_prod[prod_entity] = []
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for reaction in self.reactions:
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if prod_entity in reaction[2]:
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reactions_by_prod[prod_entity].append([reaction[0],reaction[1]])
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# save in cache
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self.reactions_by_prod = reactions_by_prod
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return reactions_by_prod
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def sanity_check(self):
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"""Performs a sanity check on the defined reaction system"""
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if self.reactions == []:
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print("No reactions defined")
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exit(1)
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if self.background_set == []:
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print("Empty background set")
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exit(1)
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class ReactionSystemWithConcentrations(ReactionSystem):
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def __init__(self):
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self.reactions = []
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self.background_set = []
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self.context_entities = []
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self.reactions_by_agents = [] # each element is 'reactions_by_prod'
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self.reactions_by_prod = None
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def get_entity_id(self, name):
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try:
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return self.background_set.index(name)
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except ValueError:
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print("Undefined background set entity: " + repr(name))
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exit(1)
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def get_state_ids(self, state):
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ids = []
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for entity in state:
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ids.append(self.get_entity_id(entity))
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return ids
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def is_valid_entity_with_concentration(self, e):
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"""Sanity check for entities with concentration"""
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if type(e) is tuple:
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if len(e) == 2 and type(e[1]) is int:
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return True
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if type(e) is list:
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if len(e) == 2 and type(e[1]) is int:
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return True
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print("FATAL. Invalid entity+concentration:")
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print(e)
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exit(1)
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return False
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def add_reaction(self, R, I, P):
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"""Adds a reaction"""
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if R == [] or P == []:
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print("No reactants of products defined")
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raise
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reactants = []
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for r in R:
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self.is_valid_entity_with_concentration(r)
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entity,level = r
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reactants.append((self.get_entity_id(entity),level))
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inhibitors = []
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for i in I:
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self.is_valid_entity_with_concentration(i)
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entity,level = i
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inhibitors.append((self.get_entity_id(entity),level))
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products = []
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for p in P:
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self.is_valid_entity_with_concentration(p)
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entity,level = p
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products.append((self.get_entity_id(entity),level))
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self.reactions.append((reactants, inhibitors, products))
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def set_context_entities(self, entities):
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raise NotImplementedError
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def entities_names_set_to_str(self, entities):
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s = ""
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for entity in entities:
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s += entity + ", "
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s = s[:-2]
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return s
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def entities_ids_set_to_str(self, entities):
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s = ""
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for entity in entities:
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s += self.get_entity_name(entity) + ", "
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s = s[:-2]
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return s
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def states_to_str(self, state):
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s = ""
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for entity,level in state:
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s += str((self.get_entity_name(entity),level)) + ", "
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s = s[:-2]
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return s
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def show_background_set(self):
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print("[*] Background set: {" + self.entities_names_set_to_str(self.background_set) + "}")
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def show(self, soft=False):
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self.show_background_set()
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self.show_reactions(soft)
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def get_reactions_by_product(self):
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"""Sorts reactions by their products and returns a dictionary of products"""
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if self.reactions_by_prod != None:
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return self.reactions_by_prod
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producible_entities = set()
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for reaction in self.reactions:
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producible_entities = producible_entities.union(set(reaction[2]))
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reactions_by_prod = {}
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for prod_entity in producible_entities:
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reactions_by_prod[prod_entity] = []
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for reaction in self.reactions:
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if prod_entity in reaction[2]:
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reactions_by_prod[prod_entity].append([reaction[0],reaction[1]])
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# save in cache
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self.reactions_by_prod = reactions_by_prod
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return reactions_by_prod
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class ReactionSystemWithAutomaton(object):
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def __init__(self, reaction_system, context_automaton):
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self.rs = reaction_system
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self.ca = context_automaton
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def show(self, soft=False):
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self.rs.show(soft)
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self.ca.show()
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