154 lines
5.2 KiB
Python
154 lines
5.2 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 .utils import highlight_hashtags
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from .widgets import SelectableText, SelectableColumns
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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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TODO: Switch to top/bottom for narrow views.
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TODO: Cache rendered statuses?
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"""
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signals = [
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"status_focused",
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"status_activated",
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"next",
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]
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def __init__(self, tui, statuses):
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self.tui = tui
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self.statuses = statuses
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self.instance = tui.app.instance
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self.status_list = self.build_status_list(statuses)
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self.status_details = self.build_status_details(statuses[0])
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super().__init__([
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("weight", 50, self.status_list),
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("weight", 50, self.status_details),
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], dividechars=1)
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def build_status_list(self, statuses):
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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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urwid.connect_signal(walker, "modified", self.status_focused)
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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", self.status_activated)
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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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None: "green_selected",
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})
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def build_status_details(self, status):
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details = StatusDetails(status)
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return urwid.Filler(details, valign="top")
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def get_focused_status(self):
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return self.statuses[self.status_list.body.focus]
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def status_activated(self, *args):
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"""Called when a status is clicked, or Enter is pressed."""
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status = self.get_focused_status()
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self._emit("status_activated", [status])
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def status_focused(self):
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"""Called when the list focus switches to a new status"""
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status = self.get_focused_status()
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details = StatusDetails(status)
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self.status_details.set_body(details)
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index = self.status_list.body.focus
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count = len(self.statuses)
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self._emit("status_focused", [status, index, count])
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def keypress(self, 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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command = self._command_map[key]
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if command in [urwid.CURSOR_DOWN, urwid.CURSOR_PAGE_DOWN]:
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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 ("v", "V"):
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status = self.get_focused_status()
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webbrowser.open(status.data["url"])
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return
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return super().keypress(size, key)
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def add_statuses(self, statuses):
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self.statuses += statuses
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new_items = [self.build_list_item(status) for status in statuses]
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self.status_list.body.extend(new_items)
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class StatusDetails(urwid.Pile):
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def __init__(self, status):
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widget_list = list(self.content_generator(status))
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return super().__init__(widget_list)
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def content_generator(self, status):
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if status.data["reblog"]:
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boosted_by = status.data["account"]["display_name"]
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yield urwid.Text(("gray", "♺ {} boosted".format(boosted_by)))
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yield urwid.AttrMap(urwid.Divider("-"), "gray")
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if status.author.display_name:
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yield urwid.Text(("green", status.author.display_name))
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yield urwid.Text(("yellow", status.author.account))
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yield urwid.Divider()
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for line in format_content(status.data["content"]):
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yield urwid.Text(highlight_hashtags(line))
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if status.data["card"]:
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yield urwid.Divider()
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yield self.build_card(status.data["card"])
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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["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 build_card(self, card):
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contents = list(self.card_generator(card))
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return urwid.LineBox(urwid.Pile(contents))
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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.favourited else " "
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reblogged = ("yellow", "⤶") if status.reblogged 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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urwid.Text(("green", status.account), 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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])
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