added setting manager

.gitignore

@@ -51,6 +51,7 @@ coverage.xml
 .hypothesis/
 .pytest_cache/
 cover/
+config.yml
 
 # Translations
 *.mo

requirement.txt

 vispy==0.12.2
 PyQt5==5.15.9
-numpy==1.24.2
+numpy==1.24.2
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+PyYAML==6.0
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utils/settings/SettingManager.py

+from yaml import load, dump
+try:
+    from yaml import CLoader as Loader, CDumper as Dumper
+except ImportError:
+    from yaml import Loader, Dumper
+
+class SettingManager:
+    instance = None
+
+    def __init__(self):
+        try:
+            with open('config.yml', 'r') as f:
+                self.settings = load(f.read(), Loader=Loader)      
+        except FileNotFoundError:
+            self.settings = {}
+            self.createInitialSettings()
+
+    @staticmethod
+    def get_instance():
+        if SettingManager.instance is None:
+            SettingManager.instance = SettingManager()
+        return SettingManager.instance
+
+
+    def save(self):
+        with open('config.yml', 'w') as f:
+            f.write(dump(self.settings, Dumper=Dumper))
+
+    def createInitialSettings(self):
+        self.settings['version'] = "1.0.0"
+        self.settings['name'] = 'Analyse Morphologique'
+        self.settings['authors'] = 'Alexis Doghmane <alexis@doghmane.fr>, Djalim Simaila <djalim.simaila@inrae.fr>'
+        self.settings['description'] = 'Analyse Morphologique'
+        self.settings['repo'] = 'https://forgemia.inra.fr/scanner3d/analysemorphologique'
+        self.settings['lastGraph'] = ["Aucun" for i in range(11)]
+        self.settings['discretisation_method'] = 'Z0-Zi >= DeltaZ' # 'Z0-Zi < DeltaZ'
+        self.settings['raw_data_suffix'] = '_delta_{delta_z}_analyse_brute'
+        self.settings['discrete_data_suffix'] = '_delta_{delta_z}_analyse_rayon'
+        self.settings['output_file_extention'] = '.txt'
+        self.settings['output_file_separator'] = '\t'
+        self.settings['pretiffy_output_file'] = True
+        self.save()
+
+    def get_last_graph(self, graph_number):
+        return self.settings['lastGraph'][graph_number]
+
+    def set_last_graph(self, graph_number, graph_name):
+        self.settings['lastGraph'][graph_number] = graph_name
+        self.save()
+
+    def get_setting(self, setting_name):
+        return self.settings[setting_name]
+    
+    def get_settings(self):
+        return self.settings
+    
+    def set_setting(self, setting_name, setting_value):
+        self.settings[setting_name] = setting_value
+        self.save()
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