Fix - Fixed access to injection_dict for the first time that emhass i…

…s used

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [0.3.35] - 2023-01-31
+### Fix
+- Fixed access to injection_dict for the first time that emhass is used.
+
 ## [0.3.34] - 2023-01-30
 ### Fix
 - Fixed bugs with paths again, now using the official pathlib everywhere.

docs/conf.py

@@ -22,7 +22,7 @@
 author = 'David HERNANDEZ'
 
 # The full version, including alpha/beta/rc tags
-release = '0.3.34'
+release = '0.3.35'
 
 # -- General configuration ---------------------------------------------------
 

setup.py

@@ -19,7 +19,7 @@
 
 setup(
     name='emhass',  # Required
-    version='0.3.34',  # Required
+    version='0.3.35',  # Required
     description='An Energy Management System for Home Assistant',  # Optional
     long_description=long_description,  # Optional
     long_description_content_type='text/markdown',  # Optional (see note above)

src/emhass/web_server.py

@@ -116,12 +116,12 @@ def index():
     file_loader = PackageLoader('emhass', 'templates')
     env = Environment(loader=file_loader)
     template = env.get_template('index.html')
-    # template = render_template('index.html')
     # Load cache dict
-    with open(str(data_path / 'injection_dict.pkl'), "rb") as fid:
-        injection_dict = pickle.load(fid)
-    if injection_dict is None:
-        app.logger.warning("Oops.. The data dictionary is empty... Please launch an optimization task")
+    if (data_path / 'injection_dict.pkl').exists():
+        with open(str(data_path / 'injection_dict.pkl'), "rb") as fid:
+            injection_dict = pickle.load(fid)
+    else:
+        app.logger.warning("The data container dictionary is empty... Please launch an optimization task")
         injection_dict={}
     return make_response(template.render(injection_dict=injection_dict))