New version: now shows CWD + sys.path.

src/puppy/__init__.py

@@ -2,7 +2,7 @@
 Puppy - A minimal GUI app to test pup.
 """
 
-__version__ = '1.0.0'
+__version__ = '1.1.0'
 
 __title__ = 'puppy'
 __description__ = 'Puppy, a minimal GUI app to test pup'

src/puppy/__main__.py

@@ -2,6 +2,9 @@
 Puppy's entry point and single module.
 """
 
+import os
+import pprint
+import sys
 import tkinter
 
 import importlib_metadata as ilr
@@ -15,8 +18,8 @@ def _create_window():
     screen_w = window.winfo_screenwidth()
     screen_h = window.winfo_screenheight()
 
-    w = screen_w // 6
-    h = screen_h // 6                                                      
+    w = screen_w // 3
+    h = screen_h // 3
     x = (screen_w - w) // 2
     y = (screen_h - h) // 2
     window.geometry(f'{w}x{h}+{x}+{y}')
@@ -32,28 +35,70 @@ def _create_window():
 
 def _add_widgets(window):
 
-    label = tkinter.Label(
+    tkinter.Label(
         window,
         text='Minimal GUI app to test pup.',
-        padx=32,
-        pady=32,
+    ).pack(
+        side='top',
+        fill='x',
+        padx=16,
+        pady=16,
     )
-    label.pack()
 
-    button = tkinter.Button(
+    log_widget = tkinter.Text(
+        window,
+        highlightthickness=1,
+        highlightcolor='lightgray',
+        state=tkinter.DISABLED,
+        wrap='none',
+        height=1,
+        padx=8,
+        pady=8,
+    )
+    log_widget.focus_set()
+    log_widget.pack(side='top', fill='both', expand=True, padx=16)
+
+    tkinter.Button(
         window,
         text='Quit',
-        padx=32,
         pady=8,
         command=window.destroy,
+    ).pack(
+        side='bottom',
+        fill='both',
+        padx=16,
+        pady=16,
     )
-    button.pack()
+
+    return log_widget
+
+
+def _log_lines(window, log_widget, lines):
+
+    log_widget.configure(state=tkinter.NORMAL)
+    for line in lines:
+        log_widget.insert('end', f'{line}\n')
+    log_widget.yview('end')
+    log_widget.configure(state=tkinter.DISABLED)
+
+    window.update()
 
 
 def main():
 
     window = _create_window()
-    _add_widgets(window)
+    log_widget = _add_widgets(window)
+
+    log_lines = lambda l: _log_lines(window, log_widget, l)
+
+    log_lines([
+        'os.getcwd():',
+        f'    {os.getcwd()!r}',
+        '',
+        'sys.path:',
+        *map(lambda s: f'    {s!r}', sys.path),
+    ])
+
     tkinter.mainloop()