NomadNet/nomadnet/ui/textui/Network.py
2021-05-17 21:46:50 +02:00

520 lines
17 KiB
Python

import RNS
import urwid
import nomadnet
from datetime import datetime
from nomadnet.Directory import DirectoryEntry
from nomadnet.vendor.additional_urwid_widgets import IndicativeListBox, MODIFIER_KEY
class NetworkDisplayShortcuts():
def __init__(self, app):
self.app = app
self.widget = urwid.AttrMap(urwid.Text("Network Display Shortcuts"), "shortcutbar")
class DialogLineBox(urwid.LineBox):
def keypress(self, size, key):
if key == "esc":
self.delegate.update_conversation_list()
else:
return super(DialogLineBox, self).keypress(size, key)
class ListEntry(urwid.Text):
_selectable = True
signals = ["click"]
def keypress(self, size, key):
"""
Send 'click' signal on 'activate' command.
"""
if self._command_map[key] != urwid.ACTIVATE:
return key
self._emit('click')
def mouse_event(self, size, event, button, x, y, focus):
"""
Send 'click' signal on button 1 press.
"""
if button != 1 or not urwid.util.is_mouse_press(event):
return False
self._emit('click')
return True
class AnnounceStreamEntry(urwid.WidgetWrap):
def __init__(self, app, timestamp, source_hash):
self.app = app
self.timestamp = timestamp
time_format = app.time_format
dt = datetime.fromtimestamp(self.timestamp)
ts_string = dt.strftime(time_format)
trust_level = self.app.directory.trust_level(source_hash)
display_str = self.app.directory.simplest_display_str(source_hash)
if trust_level == DirectoryEntry.UNTRUSTED:
symbol = "\u2715"
style = "list_untrusted"
focus_style = "list_focus_untrusted"
elif trust_level == DirectoryEntry.UNKNOWN:
symbol = "?"
style = "list_unknown"
focus_style = "list_focus"
elif trust_level == DirectoryEntry.TRUSTED:
symbol = "\u2713"
style = "list_trusted"
focus_style = "list_focus_trusted"
elif trust_level == DirectoryEntry.WARNING:
symbol = "\u26A0"
style = "list_warning"
focus_style = "list_focus"
else:
symbol = "\u26A0"
style = "list_untrusted"
focus_style = "list_focus_untrusted"
widget = ListEntry(ts_string+" "+display_str)
self.display_widget = urwid.AttrMap(widget, style, focus_style)
urwid.WidgetWrap.__init__(self, self.display_widget)
class AnnounceStream(urwid.WidgetWrap):
def __init__(self, app, parent):
self.app = app
self.parent = parent
self.started = False
self.timeout = self.app.config["textui"]["animation_interval"]*2
self.ilb = None
self.added_entries = []
self.widget_list = []
self.update_widget_list()
wlt = [AnnounceStreamEntry(self.app, e[0], e[1]) for e in self.app.directory.announce_stream]
self.ilb = IndicativeListBox(
self.widget_list,
#wlt,
on_selection_change=self.list_selection,
initialization_is_selection_change=False,
modifier_key=MODIFIER_KEY.CTRL,
#highlight_offFocus="list_off_focus"
)
self.display_widget = self.ilb
urwid.WidgetWrap.__init__(self, urwid.LineBox(self.display_widget, title="Announce Stream"))
def rebuild_widget_list(self):
self.added_entries = []
self.widget_list = []
self.update_widget_list()
def update_widget_list(self):
new_entries = []
for e in self.app.directory.announce_stream:
if not e[0] in self.added_entries:
self.added_entries.insert(0, e[0])
new_entries.insert(0, e)
new_widgets = [AnnounceStreamEntry(self.app, e[0], e[1]) for e in new_entries]
for nw in new_widgets:
self.widget_list.insert(0, nw)
if len(new_widgets) > 0:
if self.ilb != None:
self.ilb.set_body(self.widget_list)
def list_selection(self, arg1, arg2):
pass
def update(self):
self.update_widget_list()
def update_callback(self, loop=None, user_data=None):
self.update()
if self.started:
self.app.ui.loop.set_alarm_in(self.timeout, self.update_callback)
def start(self):
was_started = self.started
self.started = True
if not was_started:
self.update_callback()
def stop(self):
self.started = False
class SelectText(urwid.Text):
_selectable = True
signals = ["click"]
def keypress(self, size, key):
"""
Send 'click' signal on 'activate' command.
"""
if self._command_map[key] != urwid.ACTIVATE:
return key
self._emit('click')
def mouse_event(self, size, event, button, x, y, focus):
"""
Send 'click' signal on button 1 press.
"""
if button != 1 or not urwid.util.is_mouse_press(event):
return False
self._emit('click')
return True
class KnownNodes(urwid.WidgetWrap):
def __init__(self, app):
self.app = app
self.node_list = app.directory.known_nodes()
self.ilb = IndicativeListBox(
self.make_node_widgets(),
on_selection_change=self.node_list_selection,
initialization_is_selection_change=False,
highlight_offFocus="list_off_focus"
)
if len(self.node_list) > 0:
self.display_widget = self.ilb
widget_style = None
self.no_content = False
else:
self.no_content = True
widget_style = "inactive_text"
self.display_widget = urwid.Pile([urwid.Text(("warning_text", "- i -\n"), align="center"), SelectText(("warning_text", "Currently, no nodes are known\n\n"), align="center")])
urwid.WidgetWrap.__init__(self, urwid.AttrMap(urwid.LineBox(self.display_widget, title="Known Nodes"), widget_style))
def keypress(self, size, key):
if key == "up" and (self.no_content or self.ilb.top_is_visible):
nomadnet.NomadNetworkApp.get_shared_instance().ui.main_display.frame.set_focus("header")
return super(KnownNodes, self).keypress(size, key)
def node_list_selection(self, arg1, arg2):
pass
def make_node_widgets(self):
widget_list = []
for node_entry in self.node_list:
# TODO: Implement this
widget_list.append(ListEntry("Node "+RNS.prettyhexrep(node_entry.source_hash)))
# TODO: Sort list
return widget_list
class AnnounceTime(urwid.WidgetWrap):
def __init__(self, app):
self.started = False
self.app = app
self.timeout = self.app.config["textui"]["animation_interval"]
self.display_widget = urwid.Text("")
self.update_time()
urwid.WidgetWrap.__init__(self, self.display_widget)
def update_time(self):
self.last_announce_string = "Never"
if self.app.peer_settings["last_announce"] != None:
self.last_announce_string = pretty_date(int(self.app.peer_settings["last_announce"]))
self.display_widget.set_text("Last Announce : "+self.last_announce_string)
def update_time_callback(self, loop=None, user_data=None):
self.update_time()
if self.started:
self.app.ui.loop.set_alarm_in(self.timeout, self.update_time_callback)
def start(self):
was_started = self.started
self.started = True
if not was_started:
self.update_time_callback()
def stop(self):
self.started = False
class LocalPeer(urwid.WidgetWrap):
announce_timer = None
def __init__(self, app, parent):
self.app = app
self.parent = parent
self.dialog_open = False
display_name = self.app.lxmf_destination.display_name
if display_name == None:
display_name = ""
t_id = urwid.Text("Addr : "+RNS.hexrep(self.app.lxmf_destination.hash, delimit=False))
e_name = urwid.Edit(caption="Name : ", edit_text=display_name)
def save_query(sender):
def dismiss_dialog(sender):
self.dialog_open = False
self.parent.left_pile.contents[3] = (LocalPeer(self.app, self.parent), options)
self.app.set_display_name(e_name.get_edit_text())
dialog = DialogLineBox(
urwid.Pile([
urwid.Text("\n\n\nSaved\n\n", align="center"),
urwid.Button("OK", on_press=dismiss_dialog)
]), title="i"
)
dialog.delegate = self
bottom = self
#overlay = urwid.Overlay(dialog, bottom, align="center", width=("relative", 100), valign="middle", height="pack", left=4, right=4)
overlay = dialog
options = self.parent.left_pile.options(height_type="pack", height_amount=None)
self.dialog_open = True
self.parent.left_pile.contents[3] = (overlay, options)
def announce_query(sender):
def dismiss_dialog(sender):
self.dialog_open = False
options = self.parent.left_pile.options(height_type="pack", height_amount=None)
self.parent.left_pile.contents[3] = (LocalPeer(self.app, self.parent), options)
self.app.announce_now()
dialog = DialogLineBox(
urwid.Pile([
urwid.Text("\n\n\nAnnounce Sent\n\n", align="center"),
urwid.Button("OK", on_press=dismiss_dialog)
]), title="i"
)
dialog.delegate = self
bottom = self
#overlay = urwid.Overlay(dialog, bottom, align="center", width=("relative", 100), valign="middle", height="pack", left=4, right=4)
overlay = dialog
self.dialog_open = True
options = self.parent.left_pile.options(height_type="pack", height_amount=None)
self.parent.left_pile.contents[3] = (overlay, options)
def node_settings_query(sender):
options = self.parent.left_pile.options(height_type="pack", height_amount=None)
self.parent.left_pile.contents[3] = (self.parent.node_settings_display, options)
if LocalPeer.announce_timer == None:
self.t_last_announce = AnnounceTime(self.app)
LocalPeer.announce_timer = self.t_last_announce
else:
self.t_last_announce = LocalPeer.announce_timer
self.t_last_announce.update_time()
announce_button = urwid.Button("Announce Now", on_press=announce_query)
self.display_widget = urwid.Pile(
[
t_id,
e_name,
urwid.Divider("\u2504"),
self.t_last_announce,
announce_button,
urwid.Divider("\u2504"),
urwid.Columns([("weight", 0.45, urwid.Button("Save", on_press=save_query)), ("weight", 0.1, urwid.Text("")), ("weight", 0.45, urwid.Button("Node Cfg", on_press=node_settings_query))])
]
)
urwid.WidgetWrap.__init__(self, urwid.LineBox(self.display_widget, title="Local Peer Info"))
def start(self):
self.t_last_announce.start()
class NodeSettings(urwid.WidgetWrap):
def __init__(self, app, parent):
self.app = app
self.parent = parent
def show_peer_info(sender):
options = self.parent.left_pile.options(height_type="pack", height_amount=None)
self.parent.left_pile.contents[3] = (LocalPeer(self.app, self.parent), options)
widget_style = "inactive_text"
pile = urwid.Pile([
urwid.Text("- i -\n", align="center"),
urwid.Text("\nNode Hosting currently unavailable\n\n", align="center"),
urwid.Padding(urwid.Button("Back", on_press=show_peer_info), "center", "pack")
])
self.display_widget = pile
urwid.WidgetWrap.__init__(self, urwid.AttrMap(urwid.LineBox(self.display_widget, title="Node Settings"), widget_style))
def node_list_selection(self, arg1, arg2):
pass
def make_node_widgets(self):
widget_list = []
for node_entry in self.node_list:
# TODO: Implement this
widget_list.append(ListEntry("Node "+RNS.prettyhexrep(node_entry.source_hash)))
# TODO: Sort list
return widget_list
class UpdatingText(urwid.WidgetWrap):
def __init__(self, app, title, value_method, append_text=""):
self.started = False
self.app = app
self.timeout = self.app.config["textui"]["animation_interval"]*5
self.display_widget = urwid.Text("")
self.value = None
self.value_method = value_method
self.title = title
self.append_text = append_text
self.update()
urwid.WidgetWrap.__init__(self, self.display_widget)
def update(self):
self.value = self.value_method()
self.display_widget.set_text(self.title+str(self.value)+str(self.append_text))
def update_callback(self, loop=None, user_data=None):
self.update()
if self.started:
self.app.ui.loop.set_alarm_in(self.timeout, self.update_callback)
def start(self):
was_started = self.started
self.started = True
if not was_started:
self.update_callback()
def stop(self):
self.started = False
class NetworkStats(urwid.WidgetWrap):
def __init__(self, app, parent):
self.app = app
self.parent = parent
def get_num_peers():
return self.app.directory.number_of_known_peers(lookback_seconds=30*60)
def get_num_nodes():
return self.app.directory.number_of_known_nodes()
self.w_heard_peers = UpdatingText(self.app, "Heard Peers: ", get_num_peers, append_text=" (last 30m)")
self.w_known_nodes = UpdatingText(self.app, "Known Nodes: ", get_num_nodes)
pile = urwid.Pile([
self.w_heard_peers,
self.w_known_nodes,
])
self.display_widget = urwid.LineBox(pile, title="Network Stats")
urwid.WidgetWrap.__init__(self, self.display_widget)
def start(self):
self.w_heard_peers.start()
self.w_known_nodes.start()
class NetworkDisplay():
list_width = 0.33
def __init__(self, app):
self.app = app
self.known_nodes_display = KnownNodes(self.app)
self.network_stats_display = NetworkStats(self.app, self)
self.announce_stream_display = AnnounceStream(self.app, self)
self.local_peer_display = LocalPeer(self.app, self)
self.node_settings_display = NodeSettings(self.app, self)
self.left_pile = urwid.Pile([
("pack", self.known_nodes_display),
("weight", 1, self.announce_stream_display),
("pack", self.network_stats_display),
("pack", self.local_peer_display),
])
self.left_area = self.left_pile
self.right_area = urwid.AttrMap(urwid.LineBox(urwid.Filler(urwid.Text("Disconnected\n\u2190 \u2192", align="center"), "middle"), title="Remote Node"), "inactive_text")
self.columns = urwid.Columns(
[
("weight", NetworkDisplay.list_width, self.left_area),
("weight", 1-NetworkDisplay.list_width, self.right_area)
],
dividechars=0, focus_column=0
)
self.shortcuts_display = NetworkDisplayShortcuts(self.app)
self.widget = self.columns
def start(self):
self.local_peer_display.start()
self.network_stats_display.start()
self.announce_stream_display.start()
def shortcuts(self):
return self.shortcuts_display
def directory_change_callback(self):
self.announce_stream_display.rebuild_widget_list()
def pretty_date(time=False):
"""
Get a datetime object or a int() Epoch timestamp and return a
pretty string like 'an hour ago', 'Yesterday', '3 months ago',
'just now', etc
"""
from datetime import datetime
now = datetime.now()
if type(time) is int:
diff = now - datetime.fromtimestamp(time)
elif isinstance(time,datetime):
diff = now - time
elif not time:
diff = now - now
second_diff = diff.seconds
day_diff = diff.days
if day_diff < 0:
return ''
if day_diff == 0:
if second_diff < 10:
return "just now"
if second_diff < 60:
return str(second_diff) + " seconds ago"
if second_diff < 120:
return "a minute ago"
if second_diff < 3600:
return str(int(second_diff / 60)) + " minutes ago"
if second_diff < 7200:
return "an hour ago"
if second_diff < 86400:
return str(int(second_diff / 3600)) + " hours ago"
if day_diff == 1:
return "Yesterday"
if day_diff < 7:
return str(day_diff) + " days ago"
if day_diff < 31:
return str(int(day_diff / 7)) + " weeks ago"
if day_diff < 365:
return str(int(day_diff / 30)) + " months ago"
return str(int(day_diff / 365)) + " years ago"