461 lines
16 KiB
Python
461 lines
16 KiB
Python
import logging
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import urwid
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import webbrowser
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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 .utils import highlight_hashtags, parse_datetime, highlight_keys
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from .widgets import SelectableText, SelectableColumns
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from toot.tui.scroll import Scrollable, ScrollBar
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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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"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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opts_footer = urwid.Text(self.get_option_text(statuses[focus]))
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try:
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self.status_details = urwid.Frame(
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body=ScrollBar(
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Scrollable(
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urwid.Padding(
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StatusDetails(
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statuses[focus],
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is_thread,
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can_translate,
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followed_tags,
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),
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right=1,
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)
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),
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thumb_char="\u2588",
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trough_char="\u2591",
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),
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footer=opts_footer,
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)
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except IndexError:
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# we have no statuses to display
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self.status_details = StatusDetails(
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None, is_thread, can_translate, followed_tags
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)
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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, urwid.Padding(self.status_details, 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):
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options = [
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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 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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opts_footer = urwid.Text(self.get_option_text(status))
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self.status_details = StatusDetails(
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status, self.is_thread, self.can_translate, self.followed_tags
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)
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self.contents[2] = (
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urwid.Padding(
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urwid.Frame(
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body=ScrollBar(
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Scrollable(urwid.Padding(self.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=opts_footer,
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),
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left=1,
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)
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), ("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 ("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, status, in_thread, can_translate=False, followed_tags=[]):
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"""
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Parameters
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----------
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status : Status
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The status to render.
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in_thread : bool
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Whether the status is rendered from a thread status list.
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"""
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self.in_thread = in_thread
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self.can_translate = can_translate
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self.followed_tags = 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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("red", "🠷 ") if status.bookmarked else "",
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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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created_at = status.created_at.strftime("%Y-%m-%d %H:%M")
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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(" ")),
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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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