Add method generating dt examples

src/AI/DecisionTrees/ExamplesManager.py

@@ -1,3 +1,4 @@
+import random
 from typing import Any, Union, List
 
 from src.AI.DecisionTrees.projectSpecificClasses.DistFromObject import DistFromObject
@@ -144,3 +145,65 @@ class ExamplesManager:
                                                          example.distFromRestPlace.name)
             file.write(strToWrite)
         file.close()
+
+    def generateExamples(self):
+        # retrieve list of examples that are currently saved in file - they will be needed to check for duplicates
+        examplesThatAreInFile = self.readExamples()
+
+        # make list of all possible values
+        statsValues = [value for value in PlayerStatsValue]
+        distances = [value for value in DistFromObject]
+
+        while True:
+
+            howManyExamplesGenerate = int(input("How many example do you want to generate? : "))
+
+            for i in range(howManyExamplesGenerate):
+
+                print("Generating example {} ...".format(str(i + 1)))
+
+                # pick random values from each list and make survival example out of them, with None classification
+                newExample = SurvivalDTExample(None,
+                                               random.choice(statsValues),
+                                               random.choice(statsValues),
+                                               random.choice(statsValues),
+                                               random.choice(distances),
+                                               random.choice(distances),
+                                               random.choice(distances))
+
+                # check if made example is not a duplicate
+                isDuplicate = False
+
+                possibleDuplicate: SurvivalDTExample
+                for possibleDuplicate in examplesThatAreInFile:
+                    if possibleDuplicate.compareAttributes(newExample):
+                        isDuplicate = True
+                        break
+
+                if isDuplicate:
+                    # return to create new example
+                    print("Generated duplicate.")
+                    i -= 1
+                    continue
+
+                # if not a duplicate then ask for classification
+                print("Generated example: \n{}".format(newExample.getDescription()))
+
+                givenClsIsGood = False
+                while not givenClsIsGood:
+                    strClassification = input("What is classification of this example? : ")
+                    for classification in SurvivalClassification:
+                        if classification.name == strClassification:
+                            givenClsIsGood = True
+                            break
+                    if not givenClsIsGood:
+                        print("There is no such classification. Possible classifications: {}".
+                              format(str([cls.name for cls in SurvivalClassification])))
+
+                # set example's classification and append it to examples file.
+                newExample.classification = classification
+                self.addExamplesToFile([newExample])
+
+            keepGenerating = input("Type 'E' to stop generating or anything else to continue")
+            if keepGenerating == "E":
+                break