setup: bump to 0.1.0

BOARD.txt

@@ -1,8 +1,5 @@
 TODO                                    
 ----------------------------------------
-opt. maintain history between sessions
-directory view for file scheme
-search in page (ugh)
 
 
 
@@ -31,6 +28,7 @@ remember scroll pos in history
 identity management
 "previous/next" pages
 configurable keybinds
+handle big files (e.g. gemini://tilde.team/~tomasino/irc/log.txt)
 
 
 
@@ -59,3 +57,5 @@ home page
 different rendering mode
 preferences per site
 basic mouse support
+basic local browsing
+search in page

bebop/browser/browser.py

@@ -64,8 +64,12 @@ class Browser:
         returning the page source path.
     - last_download: tuple of MimeType and path, or None.
     - identities: identities map.
+    - search_res_lines: list of lines containing results of the last search.
     """
 
+    SEARCH_NEXT = 0
+    SEARCH_PREVIOUS = 1
+
     def __init__(self, config, cert_stash):
         self.config = config
         self.stash = cert_stash
@@ -81,6 +85,7 @@ class Browser:
         self.special_pages = self.setup_special_pages()
         self.last_download: Optional[Tuple[MimeType, Path]] = None
         self.identities = {}
+        self.search_res_lines = []
         self._current_url = ""
 
     @property
@@ -127,16 +132,17 @@ class Browser:
 
     def _run(self, stdscr, start_url=None):
         """Start displaying content and handling events."""
+        # Setup Curses.
         self.screen = stdscr
         self.screen.clear()
         self.screen.refresh()
-
         mousemask = curses.mousemask(curses.ALL_MOUSE_EVENTS)
         if mousemask == 0:
             logging.error("Could not enable mouse support.")
         curses.curs_set(0)
         init_colors()
 
+        # Setup windows and pads.
         self.dim = self.screen.getmaxyx()
         self.page_pad = PagePad(self.h - 2)
         self.status_line = self.screen.subwin(
@@ -152,6 +158,7 @@ class Browser:
             self.config["command_editor"]
         )
 
+        # Load user data files, record which failed to load to warn the user.
         failed_to_load = []
         identities = load_identities(get_identities_list_path())
         if identities is None:
@@ -164,10 +171,15 @@ class Browser:
         else:
             self.capsule_prefs = capsule_prefs
 
+        # Load user data files that may not exist (no warning).
+        if self.config["persistent_history"]:
+            if not self.history.load():
+                logging.warning("Could not load history file.")
+
         if failed_to_load:
             error_msg = (
                 f"Failed to open some local data: {', '.join(failed_to_load)}. "
-                "Some data may be lost if you continue."
+                "These may be replaced if you continue."
             )
             self.set_status_error(error_msg)
         elif start_url:
@@ -175,12 +187,16 @@ class Browser:
         else:
             self.open_home()
 
+        # Start listening for inputs.
         while self.running:
             try:
                 self.handle_inputs()
             except KeyboardInterrupt:
                 self.set_status("Cancelled.")
 
+        if self.config["persistent_history"]:
+            self.history.save()
+
     def handle_inputs(self):
         char = self.screen.getch()
         if char == ord("?"):
@@ -233,6 +249,12 @@ class Browser:
             self.open_history()
         elif char == ord("§"):
             self.toggle_render_mode()
+        elif char == ord("/"):
+            self.search_in_page()
+        elif char == ord("n"):
+            self.move_to_search_result(Browser.SEARCH_NEXT)
+        elif char == ord("N"):
+            self.move_to_search_result(Browser.SEARCH_PREVIOUS)
         elif curses.ascii.isdigit(char):
             self.handle_digit_input(char)
         elif char == curses.KEY_MOUSE:
@@ -483,9 +505,9 @@ class Browser:
 
         If the click is on a link (appropriate line and columns), open it.
         """
-        if not self.page_pad or not self.page_pad.current_page:
-            return
         page = self.page_pad.current_page
+        if not page:
+            return
         px, py = self.page_pad.current_column, self.page_pad.current_line
         line_pos = y + py
         if line_pos >= len(page.metalines):
@@ -664,7 +686,10 @@ class Browser:
             return
 
         command = self.config["source_editor"] + [source_filename]
-        open_external_program(command)
+        success = open_external_program(command)
+        if not success:
+            self.set_status_error("Could not open editor.")
+
         if delete_source_after:
             os.unlink(source_filename)
         self.refresh_windows()
@@ -713,13 +738,14 @@ class Browser:
 
     def show_page_info(self):
         """Show some page informations in the status bar."""
-        if not self.page_pad or not self.page_pad.current_page:
-            return
         page = self.page_pad.current_page
+        if not page:
+            return
         mime = page.mime.short if page.mime else "(unknown MIME type)"
         encoding = page.encoding or "(unknown encoding)"
         size = f"{len(page.source)} chars"
-        info = f"{mime}  {encoding}  {size}"
+        lines = f"{len(page.metalines)} lines"
+        info = f"{mime}  {encoding}  {size}  {lines}"
         self.set_status(info)
 
     def set_render_mode(self, mode):
@@ -744,9 +770,9 @@ class Browser:
 
     def toggle_render_mode(self):
         """Switch to the next render mode for the current page."""
-        if not self.page_pad or not self.page_pad.current_page:
-            return
         page = self.page_pad.current_page
+        if not page:
+            return
         if page.render is None or page.render not in RENDER_MODES:
             next_mode = RENDER_MODES[0]
         else:
@@ -759,3 +785,46 @@ class Browser:
         )
         self.load_page(new_page)
         self.set_status(f"Using render mode '{next_mode}'.")
+
+    def search_in_page(self):
+        """Search for words in the page."""
+        page = self.page_pad.current_page
+        if not page:
+            return
+        search = self.get_user_text_input("Search", CommandLine.CHAR_TEXT)
+        if not search:
+            return
+        self.search_res_lines = []
+        for index, (_, line) in enumerate(page.metalines):
+            if search in line:
+                self.search_res_lines.append(index)
+        if self.search_res_lines:
+            self.move_to_search_result(Browser.SEARCH_NEXT)
+        else:
+            self.set_status(f"'{search}' not found.")
+
+    def move_to_search_result(self, prev_or_next: int):
+        """Move to the next or previous search result."""
+        current_line = self.page_pad.current_line
+        next_line = None
+        index = 1
+        max_index = len(self.search_res_lines)
+        if prev_or_next == Browser.SEARCH_NEXT:
+            for line in self.search_res_lines:
+                if line > current_line:
+                    next_line = line
+                    break
+                index += 1
+        elif prev_or_next == Browser.SEARCH_PREVIOUS:
+            index = max_index
+            for line in reversed(self.search_res_lines):
+                if line < current_line:
+                    next_line = line
+                    break
+                index -= 1
+        if next_line is None:
+            return
+
+        self.set_status(f"Result {index}/{max_index}")
+        self.page_pad.current_line = next_line
+        self.refresh_windows()

bebop/browser/file.py

@@ -1,5 +1,9 @@
 """Local files browser."""
 
+import logging
+from pathlib import Path
+from urllib.parse import quote, unquote
+
 from bebop.browser.browser import Browser
 from bebop.page import Page
 
@@ -7,10 +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.
+    This should be used only text files or directories. Anything else will
-    Anything else will produce garbage and may crash the program. In the
+    produce garbage and may crash the program. In the future this should be able
-    future this should be able to use a different parser according to a MIME
+    to use a different parser according to a MIME type or something.
-    type or something.
 
     Arguments:
     - browser: Browser object making the request.
@@ -20,13 +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(unquote(filepath))
+    if not path.exists():
+        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))
-    file_url = "file://" + filepath
+    elif path.is_dir():
+        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_path} {name}\n"
+        wrap_at = browser.config["text_width"]
+        browser.load_page(Page.from_gemtext(gemtext, wrap_at))
+    file_url = f"file://{path}"
     browser.current_url = file_url
     return file_url

bebop/command_line.py

@@ -200,7 +200,9 @@ class CommandLine:
             return
 
         command = self.editor_command + [temp_filepath]
-        open_external_program(command)
+        success = open_external_program(command)
+        if not success:
+            return
 
         try:
             with open(temp_filepath, "rt") as temp_file:

bebop/config.py

@@ -29,6 +29,7 @@ DEFAULT_CONFIG = {
         "-subj", "/CN={common_name}",
     ],
     "scroll_step": 3,
+    "persistent_history": False,
 }
 
 RENDER_MODES = ("fancy", "dumb")

bebop/external.py

@@ -1,6 +1,7 @@
 """Call external commands."""
 
 import curses
+import logging
 import subprocess
 
 
@@ -9,12 +10,21 @@ def open_external_program(command):
 
     The caller has to refresh whatever windows it manages after calling this
     method or garbage may be left on the screen.
+
+    Returns:
+    True if no exception occured.
     """
     curses.nocbreak()
     curses.echo()
     curses.curs_set(1)
+    result = True
+    try:
         subprocess.run(command)
+    except OSError as exc:
+        logging.error(f"Failed to run '{command}': {exc}")
+        result = False
     curses.mousemask(curses.ALL_MOUSE_EVENTS)
     curses.curs_set(0)
     curses.noecho()
     curses.cbreak()
+    return result

bebop/fs.py

@@ -48,23 +48,29 @@ def get_downloads_path() -> Path:
 
 
 @lru_cache(None)
-def get_identities_list_path():
+def get_identities_list_path() -> Path:
     """Return the identities JSON file path."""
     return get_user_data_path() / "identities.json"
 
 
 @lru_cache(None)
-def get_identities_path():
+def get_identities_path() -> Path:
     """Return the directory where identities are stored."""
     return get_user_data_path() / "identities"
 
 
 @lru_cache(None)
-def get_capsule_prefs_path():
+def get_capsule_prefs_path() -> Path:
     """Return the directory where identities are stored."""
     return get_user_data_path() / "capsule_prefs.json"
 
 
+@lru_cache(None)
+def get_history_path() -> Path:
+    """Return the saved history path."""
+    return get_user_data_path() / "history.txt"
+
+
 def ensure_bebop_files_exist() -> Optional[str]:
     """Ensure various Bebop's files or directories are present.
 

bebop/help.py

@@ -38,6 +38,9 @@ Keybinds using the SHIFT key are written uppercase. Keybinds using the ALT (or M
 * digits: go to the corresponding link ID
 * escape: reset status line text
 * section sign (§): toggle between render modes for the current page
+* slash (/): search for some text
+* n: go to next search result
+* N: go to previous search result
 * C-c: cancel current operation
 
 ## Commands
@@ -58,18 +61,19 @@ Bebop uses a JSON file (usually in ~/.config). It is created with default values
 
 Here are the available options:
 
-* connect_timeout (int): seconds before connection times out.
-* text_width (int): rendered line length.
-* download_path (string): download path.
-* source_editor (see note 1): command to use for editing sources.
 * command_editor (see note 1): command to use for editing cli input.
-* history_limit (int): maximum entries in history.
+* connect_timeout (int): seconds before connection times out.
-* external_commands (see note 2): commands to open various files.
+* download_path (string): download path.
 * external_command_default (see note 1): default command to open files.
-* home (string): home page.
+* external_commands (see note 2): commands to open various files.
-* render_mode (string): default render mode to use ("fancy" or "dumb").
 * generate_client_cert_command (see note 3): command to generate a client cert.
+* history_limit (int): maximum entries in history.
+* home (string): home page.
+* persistent_history (bool): save and reload history.
+* render_mode (string): default render mode to use ("fancy" or "dumb").
 * scroll_step (int): number of lines/columns to scroll in one step.
+* source_editor (see note 1): command to use for editing sources.
+* text_width (int): rendered line length.
 
 Notes:
 

bebop/history.py

@@ -1,10 +1,12 @@
 """History management."""
 
+import logging
+
+from bebop.fs import get_history_path
+
 
 class History:
-    """Basic browsing history manager.
+    """Basic browsing history manager."""
-
-    """
 
     def __init__(self, limit):
         self.urls = []
@@ -55,3 +57,28 @@ class History:
             urls.append(url)
             seen.add(url)
         return "# History\n\n" + "\n".join("=> " + url for url in urls)
+
+    def save(self):
+        """Save current history to user data."""
+        history_path = get_history_path()
+        try:
+            with open(history_path, "wt") as history_file:
+                for url in self.urls:
+                    history_file.write(url + "\n")
+        except OSError as exc:
+            logging.error(f"Failed to save history {history_path}: {exc}")
+            return False
+        return True
+
+    def load(self):
+        """Load saved history from user data."""
+        history_path = get_history_path()
+        self.urls = []
+        try:
+            with open(history_path, "rt") as history_file:
+                for url in history_file:
+                    self.urls.append(url.rstrip())
+        except OSError as exc:
+            logging.error(f"Failed to load history {history_path}: {exc}")
+            return False
+        return True

bebop/rendering.py

@@ -19,9 +19,8 @@ def render_lines(metalines, window, max_width):
     - max_width: line length limit for the pad.
 
     Returns:
-    The tuple of integers (error, height, width), error being a non-zero value
+    The tuple of integers (height, width), the new dimensions of the resized
-    if an error occured during rendering, and height and width being the new
+    window.
-    dimensions of the resized window.
     """
     num_lines = len(metalines)
     new_dimensions = max(num_lines, 1), max_width

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = bebop-browser
-version = 0.0.3
+version = 0.1.0
 description = Terminal browser for Gemini
 long_description = file: README.md
 license = GPLv3