fix some bugs with reading config and merging dictionaries

PyTeX/format/formatting_config.py

@@ -42,6 +42,20 @@ def clean_dict(dictionary: Dict) -> Optional[Dict]:
     return aux2 if aux2 != {} else None
 
 
+def recursive_merge_dictionaries(dict1: Dict, dict2: Dict) -> Dict:
+
+    aux1 = {
+        k: v for k, v in dict1.items() if type(v) == dict
+    }
+    aux2 = {
+        k: v for k, v in dict2.items() if type(v) == dict
+    }
+    merged = {
+        k: recursive_merge_dictionaries(v, aux2[k]) for k, v in aux1.items() if k in aux2.keys()
+    }
+    return dict1 | dict2 | merged
+
+
 class FormattingConfig(Config):
     def __init__(self):
         self._naming_scheme: Optional[Union[NamingScheme, str]] = None
@@ -73,7 +87,10 @@ class FormattingConfig(Config):
         self._tex_flavour: Optional[TeXFlavour] = None
 
     def set_from_json(self, content: Dict):
-        content = FormattingConfig().to_json() | content  # Fill with none values
+        content = recursive_merge_dictionaries(
+            FormattingConfig().to_json(),
+            content
+        )
 
         info = content[YAML_INFO]
         self._author = info[YAML_AUTHOR]

main.py

@@ -5,7 +5,7 @@ from PyTeX.build.enums import *
 from PyTeX.build.paths import RelativePath
 
 from PyTeX.format.formatting_config import FormattingConfig
-
+from PyTeX.format.generic_text import GenericText
 
 spec = BuildDirSpecification(
     source_root=Path('src'),
@@ -55,7 +55,19 @@ dump = config.to_json()
 
 config.naming_scheme = 'prepend-author'
 
+
+config.extra_header = GenericText(Path('header.txt'))
+config.extra_header = GenericText(['hello', 'world'])
 config.dump_as_yaml(Path('test.yaml'))
 
+json = config.to_json()
+
+config2 = FormattingConfig()
+config2.set_from_json(json)
+
+
+config3 = FormattingConfig.from_yaml(Path('test.yaml'))
+pass
+