browser: fix file browser for paths with spaces

bebop/browser/file.py

@@ -2,6 +2,7 @@
 
 import logging
 from pathlib import Path
+from urllib.parse import quote, unquote
 
 from bebop.browser.browser import Browser
 from bebop.page import Page
@@ -10,10 +11,9 @@ from bebop.page import Page
 def open_file(browser: Browser, filepath: str, encoding="utf-8"):
     """Open a file and render it.
 
-    This should be used only on Gemtext files or at least text files.
-    Anything else will produce garbage and may crash the program. In the
-    future this should be able to use a different parser according to a MIME
-    type or something.
+    This should be used only text files or directories. Anything else will
+    produce garbage and may crash the program. In the future this should be able
+    to use a different parser according to a MIME type or something.
 
     Arguments:
     - browser: Browser object making the request.
@@ -23,28 +23,29 @@ def open_file(browser: Browser, filepath: str, encoding="utf-8"):
     Returns:
     The loaded file URI on success, None otherwise (e.g. file not found).
     """
-    path = Path(filepath)
+    path = Path(unquote(filepath))
     if not path.exists():
-        logging.error(f"File {filepath} does not exist.")
+        logging.error(f"File {path} does not exist.")
         return None
 
     if path.is_file():
         try:
-            with open(filepath, "rt", encoding=encoding) as f:
+            with open(path, "rt", encoding=encoding) as f:
                 text = f.read()
         except (OSError, ValueError) as exc:
             browser.set_status_error(f"Failed to open file: {exc}")
             return None
         browser.load_page(Page.from_text(text))
     elif path.is_dir():
-        gemtext = filepath + "\n\n"
+        gemtext = str(path) + "\n\n"
         for entry in sorted(path.iterdir()):
+            entry_path = quote(str(entry.absolute()))
             name = entry.name
             if entry.is_dir():
                 name += "/"
-            gemtext += f"=> {entry} {name}\n"
+            gemtext += f"=> {entry_path} {name}\n"
         wrap_at = browser.config["text_width"]
         browser.load_page(Page.from_gemtext(gemtext, wrap_at))
-    file_url = "file://" + filepath
+    file_url = f"file://{path}"
     browser.current_url = file_url
     return file_url