c944863f3f
The glyph previously used '🠷' is interpreted with different widths on different terminal emulators (i.e. xterm gets it wrong) This results in visual glitches in the status detail area and especially in the scrollbar when visible. Changing it to a standard ASCII 'b' fixes all these issues.
458 lines
16 KiB
Python
458 lines
16 KiB
Python
import logging
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import sys
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import urwid
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import webbrowser
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from typing import Optional
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from .entities import Status
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from .scroll import Scrollable, ScrollBar
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from .utils import highlight_hashtags, parse_datetime, highlight_keys
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from .widgets import SelectableText, SelectableColumns
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from toot.utils import format_content
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from toot.utils.language import language_name
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from toot.tui.utils import time_ago
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logger = logging.getLogger("toot")
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class Timeline(urwid.Columns):
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"""
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Displays a list of statuses to the left, and status details on the right.
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"""
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signals = [
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"account", # Display account info and actions
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"close", # Close thread
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"compose", # Compose a new toot
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"delete", # Delete own status
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"favourite", # Favourite status
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"focus", # Focus changed
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"bookmark", # Bookmark status
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"media", # Display media attachments
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"menu", # Show a context menu
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"next", # Fetch more statuses
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"reblog", # Reblog status
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"reply", # Compose a reply to a status
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"source", # Show status source
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"links", # Show status links
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"thread", # Show thread for status
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"translate", # Translate status
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"save", # Save current timeline
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"zoom", # Open status in scrollable popup window
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"clear-screen", # Clear the screen (used internally)
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]
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def __init__(self, name, statuses, can_translate, followed_tags=[], focus=0, is_thread=False):
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self.name = name
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self.is_thread = is_thread
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self.statuses = statuses
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self.can_translate = can_translate
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self.status_list = self.build_status_list(statuses, focus=focus)
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self.followed_tags = followed_tags
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try:
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focused_status = statuses[focus]
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except IndexError:
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focused_status = None
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self.status_details = StatusDetails(self, focused_status)
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status_widget = self.wrap_status_details(self.status_details)
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super().__init__([
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("weight", 40, self.status_list),
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("weight", 0, urwid.AttrWrap(urwid.SolidFill("│"), "blue_selected")),
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("weight", 60, status_widget),
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])
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def wrap_status_details(self, status_details: "StatusDetails") -> urwid.Widget:
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"""Wrap StatusDetails widget with a scollbar and footer."""
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return urwid.Padding(
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urwid.Frame(
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body=ScrollBar(
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Scrollable(urwid.Padding(status_details, right=1)),
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thumb_char="\u2588",
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trough_char="\u2591",
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),
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footer=self.get_option_text(status_details.status),
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),
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left=1
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)
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def build_status_list(self, statuses, focus):
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items = [self.build_list_item(status) for status in statuses]
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walker = urwid.SimpleFocusListWalker(items)
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walker.set_focus(focus)
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urwid.connect_signal(walker, "modified", self.modified)
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return urwid.ListBox(walker)
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def build_list_item(self, status):
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item = StatusListItem(status)
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urwid.connect_signal(item, "click", lambda *args:
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self._emit("menu", status))
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return urwid.AttrMap(item, None, focus_map={
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"blue": "green_selected",
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"green": "green_selected",
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"yellow": "green_selected",
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"cyan": "green_selected",
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"red": "green_selected",
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None: "green_selected",
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})
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def get_option_text(self, status: Optional[Status]) -> Optional[urwid.Text]:
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if not status:
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return None
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options = [
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"[A]ccount" if not status.is_mine else "",
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"[B]oost",
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"[D]elete" if status.is_mine else "",
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"B[o]okmark",
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"[F]avourite",
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"[V]iew",
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"[T]hread" if not self.is_thread else "",
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"[L]inks",
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"[R]eply",
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"So[u]rce",
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"[Z]oom",
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"Tra[n]slate" if self.can_translate else "",
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"[H]elp",
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]
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options = "\n" + " ".join(o for o in options if o)
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options = highlight_keys(options, "white_bold", "cyan")
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return urwid.Text(options)
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def get_focused_status(self):
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try:
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return self.statuses[self.status_list.body.focus]
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except TypeError:
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return None
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def get_focused_status_with_counts(self):
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"""Returns a tuple of:
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* focused status
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* focused status' index in the status list
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* length of the status list
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"""
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return (
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self.get_focused_status(),
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self.status_list.body.focus,
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len(self.statuses),
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)
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def modified(self):
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"""Called when the list focus switches to a new status"""
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status, index, count = self.get_focused_status_with_counts()
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self.draw_status_details(status)
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self._emit("focus")
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def refresh_status_details(self):
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"""Redraws the details of the focused status."""
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status = self.get_focused_status()
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self.draw_status_details(status)
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def draw_status_details(self, status):
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self.status_details = StatusDetails(self, status)
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widget = self.wrap_status_details(self.status_details)
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self.contents[2] = widget, ("weight", 60, False)
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def keypress(self, size, key):
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status = self.get_focused_status()
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command = self._command_map[key]
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if not status:
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return super().keypress(size, key)
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# If down is pressed on last status in list emit a signal to load more.
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# TODO: Consider pre-loading statuses earlier
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if command in [urwid.CURSOR_DOWN, urwid.CURSOR_PAGE_DOWN] \
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and self.status_list.body.focus:
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index = self.status_list.body.focus + 1
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count = len(self.statuses)
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if index >= count:
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self._emit("next")
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if key in ("a", "A"):
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self._emit("account", status.original.data['account']['id'])
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return
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if key in ("b", "B"):
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self._emit("reblog", status)
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return
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if key in ("c", "C"):
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self._emit("compose")
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return
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if key in ("d", "D"):
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self._emit("delete", status)
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return
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if key in ("f", "F"):
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self._emit("favourite", status)
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return
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if key in ("m", "M"):
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self._emit("media", status)
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return
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if key in ("q", "Q"):
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self._emit("close")
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return
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if key == "esc" and self.is_thread:
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self._emit("close")
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return
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if key in ("r", "R"):
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self._emit("reply", status)
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return
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if key in ("s", "S"):
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status.original.show_sensitive = True
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self.refresh_status_details()
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return
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if key in ("o", "O"):
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self._emit("bookmark", status)
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return
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if key in ("l", "L"):
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self._emit("links", status)
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return
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if key in ("n", "N"):
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if self.can_translate:
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self._emit("translate", status)
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return
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if key in ("t", "T"):
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self._emit("thread", status)
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return
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if key in ("u", "U"):
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self._emit("source", status)
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return
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if key in ("v", "V"):
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if status.original.url:
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webbrowser.open(status.original.url)
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# force a screen refresh; necessary with console browsers
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self._emit("clear-screen")
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return
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if key in ("p", "P"):
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self._emit("save", status)
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return
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if key in ("z", "Z"):
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self._emit("zoom", self.status_details)
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return
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return super().keypress(size, key)
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def append_status(self, status):
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self.statuses.append(status)
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self.status_list.body.append(self.build_list_item(status))
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def prepend_status(self, status):
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self.statuses.insert(0, status)
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self.status_list.body.insert(0, self.build_list_item(status))
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def append_statuses(self, statuses):
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for status in statuses:
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self.append_status(status)
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def get_status_index(self, id):
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# TODO: This is suboptimal, consider a better way
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for n, status in enumerate(self.statuses):
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if status.id == id:
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return n
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raise ValueError("Status with ID {} not found".format(id))
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def focus_status(self, status):
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index = self.get_status_index(status.id)
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self.status_list.body.set_focus(index)
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def update_status(self, status):
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"""Overwrite status in list with the new instance and redraw."""
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index = self.get_status_index(status.id)
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assert self.statuses[index].id == status.id # Sanity check
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# Update internal status list
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self.statuses[index] = status
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# Redraw list item
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self.status_list.body[index] = self.build_list_item(status)
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# Redraw status details if status is focused
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if index == self.status_list.body.focus:
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self.draw_status_details(status)
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def remove_status(self, status):
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index = self.get_status_index(status.id)
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assert self.statuses[index].id == status.id # Sanity check
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del self.statuses[index]
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del self.status_list.body[index]
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self.refresh_status_details()
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class StatusDetails(urwid.Pile):
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def __init__(self, timeline: Timeline, status: Optional[Status]):
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self.status = status
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self.followed_tags = timeline.followed_tags
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reblogged_by = status.author if status and status.reblog else None
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widget_list = list(self.content_generator(status.original, reblogged_by)
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if status else ())
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return super().__init__(widget_list)
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def content_generator(self, status, reblogged_by):
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if reblogged_by:
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text = "♺ {} boosted".format(reblogged_by.display_name or reblogged_by.username)
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yield ("pack", urwid.Text(("gray", text)))
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yield ("pack", urwid.AttrMap(urwid.Divider("-"), "gray"))
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if status.author.display_name:
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yield ("pack", urwid.Text(("green", status.author.display_name)))
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yield ("pack", urwid.Text(("yellow", status.author.account)))
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yield ("pack", urwid.Divider())
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if status.data["spoiler_text"]:
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yield ("pack", urwid.Text(status.data["spoiler_text"]))
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yield ("pack", urwid.Divider())
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# Show content warning
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if status.data["spoiler_text"] and not status.show_sensitive:
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yield ("pack", urwid.Text(("content_warning", "Marked as sensitive. Press S to view.")))
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else:
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content = status.translation if status.show_translation else status.data["content"]
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for line in format_content(content):
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yield ("pack", urwid.Text(highlight_hashtags(line, self.followed_tags)))
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media = status.data["media_attachments"]
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if media:
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for m in media:
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yield ("pack", urwid.AttrMap(urwid.Divider("-"), "gray"))
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yield ("pack", urwid.Text([("bold", "Media attachment"), " (", m["type"], ")"]))
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if m["description"]:
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yield ("pack", urwid.Text(m["description"]))
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yield ("pack", urwid.Text(("link", m["url"])))
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poll = status.data.get("poll")
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if poll:
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yield ("pack", urwid.Divider())
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yield ("pack", self.build_linebox(self.poll_generator(poll)))
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card = status.data.get("card")
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if card:
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yield ("pack", urwid.Divider())
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yield ("pack", self.build_linebox(self.card_generator(card)))
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application = status.data.get("application") or {}
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application = application.get("name")
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yield ("pack", urwid.AttrWrap(urwid.Divider("-"), "gray"))
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translated_from = (
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language_name(status.translated_from)
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if status.show_translation and status.translated_from
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else None
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)
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visibility_colors = {
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"public": "gray",
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"unlisted": "white",
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"private": "cyan",
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"direct": "yellow"
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}
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visibility = status.visibility.title()
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visibility_color = visibility_colors.get(status.visibility, "gray")
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yield ("pack", urwid.Text([
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("blue", f"{status.created_at.strftime('%Y-%m-%d %H:%M')} "),
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("red" if status.bookmarked else "gray", "b "),
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("gray", f"⤶ {status.data['replies_count']} "),
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("yellow" if status.reblogged else "gray", f"♺ {status.data['reblogs_count']} "),
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("yellow" if status.favourited else "gray", f"★ {status.data['favourites_count']}"),
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(visibility_color, f" · {visibility}"),
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("yellow", f" · Translated from {translated_from} " if translated_from else ""),
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("gray", f" · {application}" if application else ""),
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]))
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# Push things to bottom
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yield ("weight", 1, urwid.BoxAdapter(urwid.SolidFill(" "), 1))
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def build_linebox(self, contents):
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contents = urwid.Pile(list(contents))
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contents = urwid.Padding(contents, left=1, right=1)
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return urwid.LineBox(contents)
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def card_generator(self, card):
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yield urwid.Text(("green", card["title"].strip()))
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if card.get("author_name"):
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yield urwid.Text(["by ", ("yellow", card["author_name"].strip())])
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yield urwid.Text("")
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if card["description"]:
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yield urwid.Text(card["description"].strip())
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yield urwid.Text("")
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yield urwid.Text(("link", card["url"]))
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def poll_generator(self, poll):
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for idx, option in enumerate(poll["options"]):
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perc = (round(100 * option["votes_count"] / poll["votes_count"])
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if poll["votes_count"] else 0)
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if poll["voted"] and poll["own_votes"] and idx in poll["own_votes"]:
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voted_for = " ✓"
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else:
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voted_for = ""
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yield urwid.Text(option["title"] + voted_for)
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yield urwid.ProgressBar("", "poll_bar", perc)
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status = "Poll · {} votes".format(poll["votes_count"])
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if poll["expired"]:
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status += " · Closed"
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if poll["expires_at"]:
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expires_at = parse_datetime(poll["expires_at"]).strftime("%Y-%m-%d %H:%M")
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status += " · Closes on {}".format(expires_at)
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yield urwid.Text(("gray", status))
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class StatusListItem(SelectableColumns):
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def __init__(self, status):
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edited_at = status.data.get("edited_at")
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# TODO: hacky implementation to avoid creating conflicts for existing
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# pull reuqests, refactor when merged.
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created_at = (
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time_ago(status.created_at).ljust(3, " ")
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if "--relative-datetimes" in sys.argv
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else status.created_at.strftime("%Y-%m-%d %H:%M")
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)
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edited_flag = "*" if edited_at else " "
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favourited = ("yellow", "★") if status.original.favourited else " "
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reblogged = ("yellow", "♺") if status.original.reblogged else " "
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is_reblog = ("cyan", "♺") if status.reblog else " "
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is_reply = ("cyan", "⤶") if status.original.in_reply_to else " "
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return super().__init__([
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("pack", SelectableText(("blue", created_at), wrap="clip")),
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("pack", urwid.Text(("blue", edited_flag))),
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("pack", urwid.Text(" ")),
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("pack", urwid.Text(favourited)),
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("pack", urwid.Text(" ")),
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("pack", urwid.Text(reblogged)),
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("pack", urwid.Text(" ")),
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urwid.Text(("green", status.original.account), wrap="clip"),
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("pack", urwid.Text(is_reply)),
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("pack", urwid.Text(is_reblog)),
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("pack", urwid.Text(" ")),
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])
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