cli: let me quit

Reviewed-on: #27

src/worblehat/cli/main.py

@@ -75,6 +75,8 @@ class WorblehatCli(NumberedCmd):
         )
         bookcase_selector.cmdloop()
         bookcase = bookcase_selector.result
+        if bookcase == None:
+            return
 
         for shelf in bookcase.shelfs:
             print(shelf.short_str())
@@ -138,6 +140,8 @@ class WorblehatCli(NumberedCmd):
         )
         bookcase_selector.cmdloop()
         bookcase = bookcase_selector.result
+        if bookcase == None:
+            return
 
         bookcase_item.shelf = select_bookcase_shelf(bookcase, self.sql_session)
 
@@ -152,6 +156,8 @@ class WorblehatCli(NumberedCmd):
 
         media_type_selector.cmdloop()
         bookcase_item.media_type = media_type_selector.result
+        if bookcase_item.media_type == None:
+            return
 
         username = input("Who owns this book? [PVV]> ")
         if username != "":

src/worblehat/cli/subclis/bookcase_item.py

@@ -384,6 +384,8 @@ class EditBookcaseCli(NumberedCmd):
         )
         bookcase_selector.cmdloop()
         bookcase = bookcase_selector.result
+        if bookcase == None:
+            return
         assert isinstance(bookcase, Bookcase)
 
         shelf = select_bookcase_shelf(bookcase, self.sql_session)

src/worblehat/services/config.py

@@ -2,7 +2,7 @@ import tomllib
 from pathlib import Path
 from pprint import pformat
 from typing import Any
-import os
+
 
 class Config:
     """
@@ -38,14 +38,10 @@ class Config:
 
     @staticmethod
     def read_password(password_field: str) -> str:
-        file: Path = Path(password_field)
+        if Path(password_field).is_file():
-        if file.is_file() and any([file.stat().st_mode & 0o400 and file.stat().st_uid == os.getuid(), file.stat().st_mode & 0o040 and file.stat().st_gid == os.getgid(), file.stat().st_mode & 0o004]):
             with Path(password_field).open() as f:
                 return f.read().strip()
         else:
-            raise RuntimeError(
-                f"Testing, should only use file. {password_field}",
-            )
             return password_field
 
     @classmethod