e575b86869
Replace bottom-row Back buttons with a top-left "← Back" button across all screens for consistent navigation. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
244 lines
9.8 KiB
Python
244 lines
9.8 KiB
Python
import re
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from datetime import datetime
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from pathlib import Path
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from textual.app import ComposeResult
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from textual.screen import Screen
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from textual.widgets import Header, Footer, Static, Button, DataTable, RichLog, ProgressBar
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from textual.widgets._rich_log import Strip
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from tui.widgets.header import GnizaHeader as Header # noqa: F811
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from textual.containers import Vertical, Horizontal
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from textual.timer import Timer
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class _SafeRichLog(RichLog):
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"""RichLog that guards against negative y in render_line (Textual bug)."""
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def render_line(self, y: int) -> Strip:
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if y < 0 or not self.lines:
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return Strip.blank(self.size.width)
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return super().render_line(y)
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from tui.jobs import job_manager
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from tui.widgets import ConfirmDialog, DocsPanel
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_PROGRESS_RE = re.compile(r"(\d+)%")
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_SPINNER = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
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class RunningTasksScreen(Screen):
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BINDINGS = [("escape", "go_back", "Back")]
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def compose(self) -> ComposeResult:
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yield Header(show_clock=True)
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with Horizontal(classes="screen-with-docs"):
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with Vertical(id="running-tasks-screen"):
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yield Button("← Back", id="btn-back", classes="back-btn")
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yield Static("Running Tasks", id="screen-title")
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yield DataTable(id="rt-table")
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with Horizontal(id="rt-buttons"):
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yield Button("View Log", variant="primary", id="btn-rt-view")
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yield Button("Kill Job", variant="error", id="btn-rt-kill")
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yield Button("Clear Finished", variant="warning", id="btn-rt-clear")
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yield Static("", id="rt-progress-label")
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yield ProgressBar(id="rt-progress", total=100, show_eta=False)
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yield _SafeRichLog(id="rt-log-viewer", wrap=True, highlight=True)
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yield DocsPanel.for_screen("running-tasks-screen")
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yield Footer()
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def on_mount(self) -> None:
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table = self.query_one("#rt-table", DataTable)
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table.add_columns("Status", "Job", "Started", "Duration")
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table.cursor_type = "row"
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self._spinner_idx = 0
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self._refresh_table()
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self._timer = self.set_interval(1, self._tick)
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self._log_timer: Timer | None = None
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self._viewing_job_id: str | None = None
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self._log_file_pos: int = 0
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# Hide progress bar initially
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self.query_one("#rt-progress", ProgressBar).display = False
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self.query_one("#rt-progress-label", Static).display = False
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def _format_duration(self, job) -> str:
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end = job.finished_at or datetime.now()
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delta = end - job.started_at
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secs = int(delta.total_seconds())
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if secs < 60:
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return f"{secs}s"
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mins, s = divmod(secs, 60)
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if mins < 60:
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return f"{mins}m {s}s"
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hours, m = divmod(mins, 60)
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return f"{hours}h {m}m"
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def _tick(self) -> None:
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self._spinner_idx = (self._spinner_idx + 1) % len(_SPINNER)
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self._refresh_table()
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def _refresh_table(self) -> None:
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job_manager.check_reconnected()
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table = self.query_one("#rt-table", DataTable)
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old_row = table.cursor_coordinate.row if table.row_count > 0 else 0
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table.clear()
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spinner = _SPINNER[self._spinner_idx]
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for job in job_manager.list_jobs():
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if job.status == "running":
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icon = f" {spinner} "
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elif job.status == "success":
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icon = " ok "
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elif job.status == "unknown":
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icon = " ? "
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else:
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icon = " X "
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started = job.started_at.strftime("%H:%M:%S")
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table.add_row(icon, job.label, started, self._format_duration(job), key=job.id)
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if table.row_count > 0:
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table.move_cursor(row=min(old_row, table.row_count - 1))
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def on_button_pressed(self, event: Button.Pressed) -> None:
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if event.button.id == "btn-back":
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self.app.pop_screen()
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elif event.button.id == "btn-rt-clear":
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job_manager.remove_finished()
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self._refresh_table()
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elif event.button.id == "btn-rt-kill":
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self._kill_selected()
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elif event.button.id == "btn-rt-view":
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self._view_selected_log()
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def _view_selected_log(self) -> None:
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table = self.query_one("#rt-table", DataTable)
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if table.row_count == 0:
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self.notify("No jobs to view", severity="warning")
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return
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row_key, _ = table.coordinate_to_cell_key(table.cursor_coordinate)
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job_id = str(row_key.value if hasattr(row_key, 'value') else row_key)
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job = job_manager.get_job(job_id)
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if not job:
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self.notify("Job not found", severity="warning")
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return
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log_viewer = self.query_one("#rt-log-viewer", RichLog)
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log_viewer.clear()
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self._viewing_job_id = job_id
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self._log_file_pos = 0
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# Reset progress bar
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progress = self.query_one("#rt-progress", ProgressBar)
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label = self.query_one("#rt-progress-label", Static)
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progress.update(progress=0)
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# Load only the tail of the log file (like tail -f)
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if job._log_file and Path(job._log_file).is_file():
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try:
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raw = Path(job._log_file).read_bytes()
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self._log_file_pos = len(raw)
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content = raw.decode(errors="replace")
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# Show only last 100 lines
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lines = content.splitlines()
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if len(lines) > 100:
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log_viewer.write(f"--- showing last 100 of {len(lines)} lines ---")
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content = "\n".join(lines[-100:])
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self._process_log_content(content, log_viewer)
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except OSError:
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pass
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elif job.output:
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tail = job.output[-100:] if len(job.output) > 100 else job.output
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if len(job.output) > 100:
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log_viewer.write(f"--- showing last 100 of {len(job.output)} lines ---")
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for line in tail:
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log_viewer.write(line)
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# Show/hide progress bar based on job status
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is_running = job.status == "running"
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progress.display = is_running
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label.display = is_running
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# Start polling for new content if job is running
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if self._log_timer:
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self._log_timer.stop()
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if is_running:
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self._log_timer = self.set_interval(0.3, self._poll_log)
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def _process_log_content(self, content: str, log_viewer: RichLog) -> None:
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"""Process log content, extracting rsync progress and writing log lines."""
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# Split on both \n and \r to handle rsync --info=progress2 output
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parts = re.split(r"[\r\n]+", content)
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for part in parts:
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part = part.strip()
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if not part:
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continue
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m = _PROGRESS_RE.search(part)
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if m and ("xfr#" in part or "to-chk=" in part or "MB/s" in part or "kB/s" in part or "GB/s" in part):
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self._update_progress(part)
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else:
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log_viewer.write(part)
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def _update_progress(self, text: str) -> None:
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"""Parse rsync progress2 line and update progress bar."""
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m = _PROGRESS_RE.search(text)
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if not m:
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return
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pct = int(m.group(1))
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try:
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progress = self.query_one("#rt-progress", ProgressBar)
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label = self.query_one("#rt-progress-label", Static)
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progress.update(progress=pct)
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# Show the raw progress info as label
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label.update(f" {text.strip()}")
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except Exception:
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pass
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def _poll_log(self) -> None:
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if not self._viewing_job_id:
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return
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job = job_manager.get_job(self._viewing_job_id)
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if not job:
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if self._log_timer:
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self._log_timer.stop()
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return
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try:
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log_viewer = self.query_one("#rt-log-viewer", RichLog)
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except Exception:
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return
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if job._log_file and Path(job._log_file).is_file():
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try:
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with open(job._log_file, "rb") as f:
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f.seek(self._log_file_pos)
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new_raw = f.read()
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if new_raw:
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self._log_file_pos += len(new_raw)
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new_data = new_raw.decode(errors="replace")
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self._process_log_content(new_data, log_viewer)
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except OSError:
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pass
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if job.status != "running":
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self.query_one("#rt-progress", ProgressBar).display = False
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self.query_one("#rt-progress-label", Static).display = False
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if self._log_timer:
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self._log_timer.stop()
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def _kill_selected(self) -> None:
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table = self.query_one("#rt-table", DataTable)
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if table.row_count == 0:
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self.notify("No jobs to kill", severity="warning")
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return
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row_key, _ = table.coordinate_to_cell_key(table.cursor_coordinate)
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job_id = str(row_key.value if hasattr(row_key, 'value') else row_key)
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job = job_manager.get_job(job_id)
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if not job:
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ids = [j.id for j in job_manager.list_jobs()]
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self.notify(f"Not found: key={row_key!r} ids={ids}", severity="warning")
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return
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if job.status != "running":
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self.notify(f"Job already finished ({job.status})", severity="warning")
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return
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self.app.push_screen(
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ConfirmDialog(f"Kill job '{job.label}'?", "Confirm Kill"),
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callback=lambda ok: self._do_kill(job_id) if ok else None,
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)
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def _do_kill(self, job_id: str) -> None:
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result = job_manager.kill_job(job_id)
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self.notify(f"Kill: {result}")
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def action_go_back(self) -> None:
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self.app.pop_screen()
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