updates

config.py

@@ -1,4 +1,6 @@
-import os, yaml
+import os, sys, yaml
+from jinja2 import Environment, FileSystemLoader
+from pathlib import Path
 
 # Main config section
 #class Config:
@@ -33,6 +35,33 @@ class Config:
                 if config:
                     self.update_from_dict(config)
 
+
+        # Get the script base_dir and check for templates dir
+        if Path(f'themes/{self.theme}/templates').exists():
+            self.base_dir = "."
+        elif getattr(sys, 'frozen', False):
+            # Running fron Pyinstaller-packed binary
+            self.base_dir =  Path(sys._MEIPASS)
+        else:
+            # Running as a plain Python app
+            self.base_dir = Path(__file__).resolve().parent    
+
+        # Prepare template rendering engine
+        if Path(f"themes/{self.theme}/templates").exists():
+            # Use the templates from the initialized site instance and the installed theme 
+            jinja_env_dir = f"themes/{self.theme}/templates"
+            #logger.debug(f"Using locally initialized templates from {jinja_env_dir}")
+        else:
+            # Use default templates from the default theme shipped with the app
+            # i.e. PyInstaller-packed single executable
+            #logger.debug("Using shipped default temlpates.")
+            jinja_env_dir = f"{self.base_dir}/themes/default/templates"
+        self.env = Environment(loader=FileSystemLoader(f"{jinja_env_dir}"))
+        self.env.globals['header_image'] = f"{self.base_dir}/themes/{self.theme}/static/images/header.jpg"
+        self.index_template = self.env.get_template("index.html")
+        self.content_item_template = self.env.get_template("content_item.html")  
+
+
     def update_from_dict(self, config_dict):
         for key, value in config_dict.items():
             setattr(self, key, value)