OrderAnalyser.py 8.2 KB

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  1. # coding: utf8
  2. import re
  3. from collections import Counter
  4. from core.Utils import Utils
  5. from core.Models import Order
  6. from core.NeuroneLauncher import NeuroneLauncher
  7. import logging
  8. logging.basicConfig()
  9. logger = logging.getLogger("kalliope")
  10. class OrderAnalyser:
  11. def __init__(self, order, main_controller=None, brain=None):
  12. """
  13. Class used to load brain and run neuron attached to the received order
  14. :param order: spelt order
  15. :param main_controller
  16. :param brain: loaded brain
  17. """
  18. self.main_controller = main_controller
  19. self.order = order
  20. if isinstance(self.order, str):
  21. self.order = order.decode('utf-8')
  22. self.brain = brain
  23. logger.debug("OrderAnalyser, Received order: %s" % self.order)
  24. def start(self):
  25. synapses_found = False
  26. problem_in_neuron_found = False
  27. # create a dict of synapses that have benn launched
  28. launched_synapses = list()
  29. for synapse in self.brain.synapses:
  30. for signal in synapse.signals:
  31. if type(signal) == Order:
  32. if self._spelt_order_match_brain_order_via_table(signal.sentence, self.order):
  33. launched_synapses.append(synapse)
  34. synapses_found = True
  35. logger.debug("Order found! Run neurons: %s" % synapse.neurons)
  36. Utils.print_success("Order matched in the brain. Running synapse \"%s\"" % synapse.name)
  37. # if the order contains bracket, we get parameters said by the user
  38. params = None
  39. if self._is_containing_bracket(signal.sentence):
  40. params = self._associate_order_params_to_values(signal.sentence)
  41. logger.debug("Parameters for order: %s" % params)
  42. for neuron in synapse.neurons:
  43. if isinstance(neuron.parameters, dict):
  44. # print neuron.parameters
  45. if "args" in neuron.parameters:
  46. logger.debug("The neuron wait for parameter")
  47. # check that the user added parameters to his order
  48. if params is None:
  49. # we don't raise an error and break the program but we don't run the neuron
  50. problem_in_neuron_found = True
  51. Utils.print_danger("Error: The neuron %s is waiting for argument. "
  52. "Argument found in bracket in the given order" % neuron.name)
  53. else:
  54. # we add wanted arguments the existing neuron parameter dict
  55. for arg in neuron.parameters["args"]:
  56. if arg in params:
  57. logger.debug("Parameter %s added to the current parameter "
  58. "of the neuron: %s" % (arg, neuron.name))
  59. neuron.parameters[arg] = params[arg]
  60. else:
  61. # we don't raise an error and break the program but
  62. # we don't run the neuron
  63. problem_in_neuron_found = True
  64. Utils.print_danger("Error: Argument \"%s\" not found in the"
  65. " order" % arg)
  66. # if no error detected, we run the neuron
  67. if not problem_in_neuron_found:
  68. NeuroneLauncher.start_neurone(neuron)
  69. else:
  70. Utils.print_danger("A problem has been found in the Synapse.")
  71. if not synapses_found:
  72. Utils.print_info("No synapse match the captured order: %s" % self.order)
  73. # return the list of launched synapse
  74. return launched_synapses
  75. def _associate_order_params_to_values(self, order_to_check):
  76. """
  77. Associate the variables from the order to the incoming user order
  78. :param order_to_check: the order to check
  79. :return: the dict corresponding to the key / value of the params
  80. """
  81. pattern = '\s+(?=[^\{\{\}\}]*\}\})'
  82. # Remove white spaces (if any) between the variable and the double brace then split
  83. list_word_in_order = re.sub(pattern, '', order_to_check).split()
  84. # get the order, defined by the first words before {{
  85. # /!\ Could be empty if order starts with double brace
  86. the_order = order_to_check[:order_to_check.find('{{')]
  87. # remove sentence before order which are sentences not matching anyway
  88. truncate_user_sentence = self.order[self.order.find(the_order):]
  89. truncate_list_word_said = truncate_user_sentence.split()
  90. # make dict var:value
  91. dict_var = {}
  92. for idx, ow in enumerate(list_word_in_order):
  93. if self._is_containing_bracket(ow):
  94. # remove bracket and grab the next value / stop value
  95. var_name = ow.replace("{{", "").replace("}}", "")
  96. stop_value = self._get_next_value_list(list_word_in_order[idx:])
  97. if stop_value is None:
  98. dict_var[var_name] = " ".join(truncate_list_word_said)
  99. break
  100. for word_said in truncate_list_word_said:
  101. if word_said == stop_value:
  102. break
  103. if var_name in dict_var:
  104. dict_var[var_name] += " " + word_said
  105. truncate_list_word_said = truncate_list_word_said[1:]
  106. else:
  107. dict_var[var_name] = word_said
  108. truncate_list_word_said = truncate_list_word_said[1:]
  109. return dict_var
  110. @staticmethod
  111. def _is_containing_bracket(sentence):
  112. # print "sentence to test %s" % sentence
  113. pattern = r"{{|}}"
  114. # prog = re.compile(pattern)
  115. check_bool = re.search(pattern, sentence)
  116. if check_bool is not None:
  117. return True
  118. return False
  119. @staticmethod
  120. def _get_next_value_list(list_to_check):
  121. ite = list_to_check.__iter__()
  122. next(ite, None)
  123. return next(ite, None)
  124. def _spelt_order_match_brain_order_via_table(self, order_to_analyse, user_said):
  125. """
  126. return true if all string that are in the sentence are present in the order to test
  127. :param order_to_analyse: String order to test
  128. :param user_said: String to compare to the order
  129. :return: True if all string are present in the order
  130. """
  131. list_word_user_said = user_said.split()
  132. split_order_without_bracket = self._get_split_order_without_bracket(order_to_analyse)
  133. # if all words in the list of what the user said in in the list of word in the order
  134. return self._counter_subset(split_order_without_bracket, list_word_user_said)
  135. @staticmethod
  136. def _get_split_order_without_bracket(order):
  137. """
  138. Get an order with bracket inside like: "hello my name is {{ name }}.
  139. return a list of string without bracket like ["hello", "my", "name", "is"]
  140. :param order: sentence to split
  141. :return: list of string without bracket
  142. """
  143. pattern = r"((?:{{\s*)[\w\.]+(?:\s*}}))"
  144. # find everything like {{ word }}
  145. matches = re.findall(pattern, order)
  146. for match in matches:
  147. order = order.replace(match, "")
  148. # then split
  149. split_order = order.split()
  150. return split_order
  151. @staticmethod
  152. def _counter_subset(list1, list2):
  153. """
  154. check if the number of occurrences matches
  155. :param list1:
  156. :param list2:
  157. :return:
  158. """
  159. c1, c2 = Counter(list1), Counter(list2)
  160. for k, n in c1.items():
  161. if n > c2[k]:
  162. return False
  163. return True