✨ cache python exectutable set previously

- only require users to setup python environment once
- 📝 start describing how to use bundled app

Author: enryH

gui/README.md

@@ -76,7 +76,18 @@ Windows and macOS specific options:
    - maybe a self-contained minimal virtual environment for kernel starting can be added later
    - we could add some logic to make sure a correct path is added.
 
-### Create environment using conda
+## Using bundle vuegen release
+
+## On Windows
+
+- global quarto and python installations can be used
+- quarto can be shipped with app, but maybe it can be deactivated
+
+## On MacOs
+
+- on MacOs the default paths are not set
+
+#### Create environment using conda
 
 ```bash
 conda create -n vuegen_gui -c conda-forge python=3.12 jupyter
@@ -95,7 +106,7 @@ In the app, set the python environment path to this location, but to the `bin` f
 /Users/user/miniforge3/envs/vuegen_gui/bin
 ```
 
-### virtualenv
+#### virtualenv
 
 - tbc
 

gui/app.py

@@ -28,6 +28,7 @@
 from tkinter import filedialog, messagebox
 
 import customtkinter
+import yaml
 from PIL import Image
 
 from vuegen import report_generator
@@ -45,6 +46,15 @@
 print("output_dir:", output_dir)
 output_dir.mkdir(exist_ok=True, parents=True)
 _PATH = f'{os.environ["PATH"]}'
+### config path for app
+config_file = Path(Path.home() / ".vuegen_gui" / "config.yaml").resolve()
+if not config_file.exists():
+    config_file.parent.mkdir(exist_ok=True, parents=True)
+    config_app = dict(python_dir_entry="")
+else:
+    with open(config_file, "r", encoding="utf-8") as f:
+        config_app = yaml.safe_load(f)
+hash_config_app = hash(yaml.dump(config_app))
 ##########################################################################################
 # Path to example data dependend on how the GUI is run
 if getattr(sys, "frozen", False) and hasattr(sys, "_MEIPASS"):
@@ -104,6 +114,8 @@ def inner():
         pprint(kwargs)
 
         if python_dir_entry.get():
+            if python_dir_entry.get() != config_app["python_dir_entry"]:
+                config_app["python_dir_entry"] = python_dir_entry.get()
             if getattr(sys, "frozen", False) and hasattr(sys, "_MEIPASS"):
                 os.environ["PATH"] = os.pathsep.join(
                     [
@@ -141,7 +153,12 @@ def inner():
                 f"\n\nReport in folder:\n{report_dir}"
                 f"\n\nConfiguration file at:\n{gen_config_path}",
             )
+            global hash_config_app  # ! fix this
             print_completion_message(report_type.get())
+            if hash(yaml.dump(config_app)) != hash_config_app:
+                with open(config_file, "w", encoding="utf-8") as f:
+                    yaml.dump(config_app, f)
+                hash_config_app = hash(yaml.dump(config_app))
         except Exception as e:
             stacktrace = traceback.format_exc()
             messagebox.showerror(
@@ -305,7 +322,7 @@ def select_directory():
 ctk_label_outdir.grid(row=row_count, column=0, columnspan=1, padx=10, pady=5)
 row_count += 1
 ##########################################################################################
-python_dir_entry = tk.StringVar(value="")
+python_dir_entry = tk.StringVar(value=config_app["python_dir_entry"])
 select_python_bin = create_select_directory(python_dir_entry)
 select_python_bin_button = customtkinter.CTkButton(
     app, text="Select Python binary", command=select_python_bin