add generic text class

PyTeX/format/generic_text.py

@@ -0,0 +1,32 @@
+from pathlib import Path
+from typing import Union, List, Optional
+
+
+class GenericText:
+    def __init__(self, content: Union[List[str], Path]):
+        if isinstance(content, List):
+            self._content: Optional[List[str]] = content
+            self._path = None
+        else:
+            self._content: Optional[List[str]] = None
+            self._path = content
+
+    @property
+    def content(self) -> List[str]:
+        if self._content is None:
+            try:
+                with open(self._path, 'r') as file:
+                    self._content = file.readlines()
+            except FileNotFoundError:
+                raise NotImplementedError
+            except:
+                raise NotImplementedError
+        return self._content
+
+    def format(self, **kwargs) -> str:
+        for line in self._content:
+            try:
+                line = line.format(**kwargs)
+            except ValueError:
+                raise NotImplementedError
+        return '\n'.join(self._content)