Fix windows bug

src/workflow/StreamlitUI.py

@@ -989,10 +989,8 @@ def parameter_section(self, custom_parameter_function) -> None:
                     f.write(up.read().decode("utf-8"))
                 streamlit_js_eval(js_expressions="parent.window.location.reload()")
 
-    def execution_section(self, start_workflow_function) -> None:
-        with st.expander("**Summary**"):
-            st.markdown(self.export_parameters_markdown())
-
+    @st.fragment(run_every=5)
+    def show_log(self, start_workflow_function):
         c1, c2 = st.columns(2)
         # Select log level, this can be changed at run time or later without re-running the workflow
         log_level = c1.selectbox(
@@ -1004,6 +1002,7 @@ def execution_section(self, start_workflow_function) -> None:
                 st.rerun()
         elif c1.button("Start Workflow", type="primary", use_container_width=True):
             start_workflow_function()
+            time.sleep(3)
             st.rerun()
         log_path = Path(self.workflow_dir, "logs", log_level.replace(" ", "-") + ".log")
         if log_path.exists():
@@ -1028,6 +1027,13 @@ def execution_section(self, start_workflow_function) -> None:
                         st.error("**Errors occurred, check log file.**")
                     st.code(content, language="neon", line_numbers=False)
 
+
+    def execution_section(self, start_workflow_function) -> None:
+        with st.expander("**Summary**"):
+            st.markdown(self.export_parameters_markdown())
+
+        self.show_log(start_workflow_function)
+
     def results_section(self, custom_results_function) -> None:
         custom_results_function()
 

src/workflow/WorkflowManager.py

@@ -32,6 +32,10 @@ def start_workflow(self) -> None:
         Starts the workflow process and adds its process id to the pid directory.
         The workflow itself needs to be a process, otherwise streamlit will wait for everything to finish before updating the UI again.
         """
+        # Catch double presses of the button while app is in frozen state
+        if self.executor.pid_dir.exists(): 
+            return
+
         # Delete the log file if it already exists
         shutil.rmtree(Path(self.workflow_dir, "logs"), ignore_errors=True)
         # Start workflow process
@@ -40,8 +44,6 @@ def start_workflow(self) -> None:
         # Add workflow process id to pid dir
         self.executor.pid_dir.mkdir()
         Path(self.executor.pid_dir, str(workflow_process.pid)).touch()
-        time.sleep(3)
-        st.rerun()
 
     def workflow_process(self) -> None:
         """