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