hints for player names, flake8, rankgraph ded

katrain/__main__.py

@@ -74,7 +74,7 @@ from katrain.core.game import Game, IllegalMoveException, KaTrainSGF
 from katrain.core.sgf_parser import Move, ParseError
 from katrain.gui.kivyutils import *
 from katrain.gui.popups import ConfigPopup, LoadSGFPopup, NewGamePopup, ConfigAIPopup
-from katrain.gui.style import ENGINE_BUSY_COL, ENGINE_DOWN_COL, ENGINE_READY_COL, LIGHTGREY
+from katrain.gui.style import ENGINE_BUSY_COL, ENGINE_DOWN_COL, ENGINE_READY_COL
 from katrain.gui.widgets import *
 from katrain.gui.badukpan import AnalysisControls, BadukPanControls, BadukPanWidget
 from katrain.gui.controlspanel import ControlsPanel
@@ -108,14 +108,14 @@ class KaTrainGui(Screen, KaTrainBase):
         super().log(message, level)
         if level == OUTPUT_KATAGO_STDERR and "ERROR" not in self.controls.status.text:
             if "starting" in message.lower():
-                self.controls.set_status(f"KataGo engine starting...", STATUS_INFO)
+                self.controls.set_status("KataGo engine starting...", STATUS_INFO)
             if message.startswith("Tuning"):
                 self.controls.set_status(
-                    f"KataGo is tuning settings for first startup, please wait." + message, STATUS_INFO
+                    "KataGo is tuning settings for first startup, please wait." + message, STATUS_INFO
                 )
                 return
             if "ready" in message.lower():
-                self.controls.set_status(f"KataGo engine ready.", STATUS_INFO)
+                self.controls.set_status("KataGo engine ready.", STATUS_INFO)
         if (
             level == OUTPUT_ERROR
             or (level == OUTPUT_KATAGO_STDERR and "error" in message.lower() and "tuning" not in message.lower())
@@ -450,7 +450,7 @@ class KaTrainGui(Screen, KaTrainBase):
     def load_sgf_from_clipboard(self):
         clipboard = Clipboard.paste()
         if not clipboard:
-            self.controls.set_status(f"Ctrl-V pressed but clipboard is empty.", STATUS_INFO)
+            self.controls.set_status("Ctrl-V pressed but clipboard is empty.", STATUS_INFO)
             return
 
         url_match = re.match(r"(?P<url>https?://[^\s]+)", clipboard)

katrain/core/ai.py

@@ -203,7 +203,7 @@ def generate_ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move,
             game, cn, {"playoutDoublingAdvantage": pda, "playoutDoublingAdvantagePla": "BLACK"}
         )
         if not handicap_analysis:
-            game.katrain.log(f"Error getting handicap-based move", OUTPUT_ERROR)
+            game.katrain.log("Error getting handicap-based move", OUTPUT_ERROR)
             ai_mode = AI_DEFAULT
 
     while not cn.analysis_complete:
@@ -225,7 +225,7 @@ def generate_ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move,
             ai_mode in [AI_LOCAL, AI_TENUKI] and not (cn.move and cn.move.coords)
         ):
             ai_mode = AI_WEIGHTED
-            ai_thoughts += f"Strategy override, using policy-weighted strategy instead. "
+            ai_thoughts += "Strategy override, using policy-weighted strategy instead. "
             ai_settings = {"pick_override": 0.9, "weaken_fac": 1, "lower_bound": 0.02}
 
         if top_5_pass:
@@ -336,7 +336,7 @@ def generate_ai_move(game: Game, ai_mode: str, ai_settings: Dict) -> Tuple[Move,
             AI_HANDICAP,
         ]:  # don't play suicidal to balance score
             aimove = top_cand
-            ai_thoughts += f"Top move is pass, so passing regardless of strategy. "
+            ai_thoughts += "Top move is pass, so passing regardless of strategy. "
         else:
             if ai_mode == AI_JIGO:
                 sign = cn.player_sign(cn.next_player)

katrain/core/game.py

@@ -10,7 +10,6 @@ from kivy.clock import Clock
 
 from katrain.core.constants import (
     ANALYSIS_FORMAT_VERSION,
-    HOMEPAGE,
     OUTPUT_DEBUG,
     OUTPUT_INFO,
     PLAYER_AI,

katrain/core/sgf_parser.py

@@ -280,7 +280,7 @@ class SGFNode:
     @property
     def next_player(self):
         """Returns player to move"""
-        if "B" in self.properties or ("AB" in self.properties and not "W" in self.properties):  # root or black moved
+        if "B" in self.properties or ("AB" in self.properties and "W" not in self.properties):  # root or black moved
             return "W"
         else:
             return "B"
@@ -288,7 +288,7 @@ class SGFNode:
     @property
     def player(self):
         """Returns player that moved last. nb root is considered white played if no handicap stones are placed"""
-        if "B" in self.properties or ("AB" in self.properties and not "W" in self.properties):
+        if "B" in self.properties or ("AB" in self.properties and "W" not in self.properties):
             return "B"
         else:
             return "W"

katrain/core/utils.py

@@ -5,7 +5,7 @@ from typing import List, Tuple, TypeVar
 
 try:
     import importlib.resources as pkg_resources
-except:
+except ImportError:
     import importlib_resources as pkg_resources
 
 T = TypeVar("T")

katrain/gui/badukpan.py

@@ -1,4 +1,3 @@
-import copy
 import math
 import random
 import time
@@ -33,7 +32,7 @@ from katrain.core.constants import (
 from katrain.core.game import Move
 from katrain.core.lang import i18n
 from katrain.core.utils import evaluation_class, format_visits, var_to_grid
-from katrain.gui.kivyutils import BackgroundMixin, draw_circle, draw_text, cached_texture
+from katrain.gui.kivyutils import draw_circle, draw_text, cached_texture
 from katrain.gui.popups import I18NPopup, ReAnalyzeGamePopup
 from katrain.gui.style import *
 
@@ -209,7 +208,7 @@ class BadukPanWidget(Widget):
             Rectangle(
                 pos=(self.gridpos_x[x] - evalsize, self.gridpos_y[y] - evalsize),
                 size=(2 * evalsize, 2 * evalsize),
-                texture=cached_texture(f"img/dot.png"),
+                texture=cached_texture("img/dot.png"),
             )
         if innercol:
             Color(*innercol)
@@ -217,7 +216,7 @@ class BadukPanWidget(Widget):
             Rectangle(
                 pos=(self.gridpos_x[x] - inner_size, self.gridpos_y[y] - inner_size),
                 size=(2 * inner_size, 2 * inner_size),
-                texture=cached_texture(f"img/inner.png"),
+                texture=cached_texture("img/inner.png"),
             )
 
     def eval_color(self, points_lost, show_dots_for_class: List[bool] = None) -> Optional[List[float]]:
@@ -504,7 +503,7 @@ class BadukPanWidget(Widget):
         katrain = self.katrain
         game_ended = katrain.game.end_result
         current_node = katrain.game.current_node
-        player, next_player = current_node.player, current_node.next_player
+        next_player = current_node.next_player
 
         board_size_x, board_size_y = katrain.game.board_size
         if len(self.gridpos_x) < board_size_x or len(self.gridpos_y) < board_size_y:
@@ -580,7 +579,7 @@ class BadukPanWidget(Widget):
                         )
                         if text_on and top_moves_show:  # TODO: faster if not sized?
                             keys = {"size": self.grid_size / 3, "smallsize": self.grid_size / 3.33}
-                            player_sign = current_node.player_sign(current_node.next_player)
+                            player_sign = current_node.player_sign(next_player)
                             if len(top_moves_show) == 1:
                                 fmt = "[size={size:.0f}]{" + top_moves_show[0] + "}[/size]"
                             else:

katrain/gui/controlspanel.py

@@ -135,7 +135,7 @@ class ControlsPanel(BoxLayout):
         lock_ai = katrain.config("trainer/lock_ai") and katrain.play_analyze_mode == MODE_PLAY
         details = self.info.detailed and not lock_ai
         info = ""
-        if current_node.move or current_node.is_root:
+        if move or current_node.is_root:
             info = self.active_comment_node.comment(
                 teach=katrain.players_info[self.active_comment_node.player].being_taught, details=details
             )

katrain/gui/kivyutils.py

@@ -1,6 +1,3 @@
-import functools
-
-from kivy.cache import Cache
 from kivy.clock import Clock
 from kivy.core.image import Image
 from kivy.core.text import Label as CoreLabel
@@ -16,13 +13,12 @@ from kivy.properties import (
     StringProperty,
 )
 from kivy.resources import resource_find
-from kivy.uix.behaviors import ButtonBehavior, FocusBehavior, ToggleButtonBehavior
+from kivy.uix.behaviors import ButtonBehavior, ToggleButtonBehavior
 from kivy.uix.boxlayout import BoxLayout
 from kivy.uix.button import Button
 from kivy.uix.label import Label
 from kivy.uix.scrollview import ScrollView
 from kivy.uix.spinner import Spinner
-from kivy.uix.textinput import TextInput
 from kivy.uix.widget import Widget
 from kivymd.app import MDApp
 from kivymd.uix.behaviors import CircularRippleBehavior, RectangularRippleBehavior
@@ -229,7 +225,7 @@ class KeyValueSpinner(Spinner):
     def input_value(self):
         try:
             return self.value_refs[self.selected_index]
-        except:
+        except KeyError:
             return ""
 
     @property

katrain/gui/popups.py

@@ -207,7 +207,7 @@ class QuickConfigGui(MDBoxLayout):
                 selected = 0
                 try:
                     selected = widget.value_refs.index(value)
-                except:
+                except:  # noqa: E722
                     pass
                 widget.text = widget.values[selected]
             else:

katrain/gui/widgets/__init__.py

@@ -1,6 +1,6 @@
 from katrain.gui.widgets.filebrowser import I18NFileBrowser
-from katrain.gui.widgets.graph import RankGraph, ScoreGraph
+from katrain.gui.widgets.graph import ScoreGraph
 from katrain.gui.widgets.movetree import MoveTree
 from katrain.gui.widgets.selection_slider import SelectionSlider
 
-__all__ = ["ScoreGraph", "RankGraph", "MoveTree", "I18NFileBrowser", "SelectionSlider"]
+__all__ = ["ScoreGraph", "MoveTree", "I18NFileBrowser", "SelectionSlider"]

katrain/gui/widgets/filebrowser.py

@@ -38,7 +38,6 @@ a shortcut to the Documents directory added to the favorites bar::
     :align: right
 """
 import string
-import warnings
 from functools import partial
 from os import walk
 from os.path import dirname, expanduser, getmtime, isdir, join, sep
@@ -81,27 +80,25 @@ def get_drives():
     drives = []
     if platform == "win":
         bitmask = windll.kernel32.GetLogicalDrives()
-        GetVolumeInformationW = windll.kernel32.GetVolumeInformationW
         for letter in string.ascii_uppercase:
             if bitmask & 1:
                 name = create_unicode_buffer(64)
                 # get name of the drive
-                drive = letter + u":"
-                res = GetVolumeInformationW(drive + sep, name, 64, None, None, None, None, 0)
+                drive = letter + ":"
                 if isdir(drive):
                     drives.append((drive, name.value))
             bitmask >>= 1
     elif platform == "linux":
         drives.append((sep, sep))
-        drives.append((expanduser(u"~"), "~/"))
-        places = (sep + u"mnt", sep + u"media")
+        drives.append((expanduser("~"), "~/"))
+        places = (sep + "mnt", sep + "media")
         for place in places:
             if isdir(place):
                 for directory in next(walk(place))[1]:
                     drives.append((place + sep + directory, directory))
     elif platform == "macosx" or platform == "ios":
-        drives.append((expanduser(u"~"), "~/"))
-        vol = sep + u"Volume"
+        drives.append((expanduser("~"), "~/"))
+        vol = sep + "Volume"
         if isdir(vol):
             for drive in next(walk(vol))[1]:
                 drives.append((vol + sep + drive, drive))
@@ -154,7 +151,7 @@ Builder.load_string(
     layout: layout
     I18NFileChooserListLayout:
         id: layout
-        controller: root            
+        controller: root
     """
 )
 Config.set("kivy", "log_level", log_level)

katrain/gui/widgets/graph.py

@@ -7,9 +7,6 @@ from kivy.properties import BooleanProperty, Clock, ListProperty, NumericPropert
 from kivy.uix.widget import Widget
 from kivymd.app import MDApp
 
-from katrain.core.constants import OUTPUT_ERROR
-from katrain.core.lang import rank_label
-
 
 class Graph(Widget):
     marker_font_size = NumericProperty(0)
@@ -128,11 +125,11 @@ class ScoreGraph(Graph):
             xscale = self.width / max(len(score_values) - 1, 15)
             available_height = self.height
             score_line_points = [
-                [self.x + i * xscale, self.y + self.height / 2 + available_height / 2 * (val / self.score_scale),]
+                [self.x + i * xscale, self.y + self.height / 2 + available_height / 2 * (val / self.score_scale)]
                 for i, val in enumerate(score_values)
             ]
             winrate_line_points = [
-                [self.x + i * xscale, self.y + self.height / 2 + available_height / 2 * (val / self.winrate_scale),]
+                [self.x + i * xscale, self.y + self.height / 2 + available_height / 2 * (val / self.winrate_scale)]
                 for i, val in enumerate(winrate_values)
             ]
             self.score_points = sum(score_line_points, [])
@@ -158,144 +155,6 @@ class ScoreGraph(Graph):
                 self.winrate_dot_pos = winrate_dot_point
 
 
-def averagemod(data):
-    sorteddata = sorted(data)
-    lendata = len(data)
-    return sum(sorteddata[int(lendata * 0.2) : int(lendata * 0.8) + 1]) / (
-        (int(lendata * 0.8) + 1) - int(lendata * 0.2)
-    )  # average without the best and worst 20% of ranks
-
-
-def gauss(data):
-    return math.exp(-1 * (data) ** 2)
-
-
-class RankGraph(Graph):
-    black_rank_points = ListProperty([])
-    white_rank_points = ListProperty([])
-    segment_length = NumericProperty(80)
-    RANK_CAP = 5
-
-    def __init__(self, **kwargs):
-        super().__init__(**kwargs)
-        self.calculate_trigger = Clock.create_trigger(lambda *args: self.rank_game(), 0.25)
-        self.rank_by_player = {}
-
-    @staticmethod
-    def calculate_rank_for_player(segment_stats, num_intersec, player):
-        non_obvious_moves = [
-            (nl, r, val)
-            for nl, r, val, pl in segment_stats
-            if nl is not None and val < (0.8 * (1 - (num_intersec - nl) / num_intersec * 0.5)) and pl == player
-        ]
-        if not non_obvious_moves:
-            return None
-        num_legal, rank, value = zip(*non_obvious_moves)
-        rank = [min(r, nl * 0.09) for r, nl in zip(rank, num_legal)]
-        averagemod_rank = averagemod(rank)
-        averagemod_len_legal = averagemod(num_legal)
-        norm_avemod_len_legal = averagemod_len_legal / num_intersec
-        if averagemod_rank > 0.1:
-            rank_kyu = (
-                -0.97222
-                * math.log(averagemod_rank)
-                / (0.24634 + averagemod_rank * gauss(3.3208 * (norm_avemod_len_legal)))
-                + 12.703 * (norm_avemod_len_legal)
-                + 11.198 * math.log(averagemod_rank)
-                + 12.28 * gauss(2.379 * (norm_avemod_len_legal))
-                - 16.544
-            )
-        else:
-            rank_kyu = -4
-        return min(RankGraph.RANK_CAP, 1 - rank_kyu)  # dan rank
-
-    @staticmethod
-    def calculate_ranks(segment_stats, num_intersec):
-        return {pl: RankGraph.calculate_rank_for_player(segment_stats, num_intersec, pl) for pl in "BW"}
-
-    def rank_game(self):
-        try:
-            nodes = self.nodes
-            parent_policy_per_move = [node.parent.policy_ranking if node.parent else None for node in nodes]
-            num_legal_moves = [
-                sum(pv >= 0 for pv, _ in policy_ranking) if policy_ranking else 0
-                for policy_ranking in parent_policy_per_move
-            ]
-            policy_stats = [
-                [
-                    (num_mv, rank, value, mv.player)
-                    for rank, (value, mv) in enumerate(policy_ranking)
-                    if mv == node.move
-                ][0]
-                if policy_ranking and node.move
-                else (None, None, None, None)
-                for node, policy_ranking, num_mv in zip(nodes, parent_policy_per_move, num_legal_moves)
-            ]
-            size = self.nodes[0].board_size
-            num_intersec = size[0] * size[1]
-            half_seg = self.segment_length // 2
-
-            ranks = {"B": [], "W": []}
-            dx = self.segment_length // 4
-            for segment_mid in range(dx, len(nodes), dx):
-                bounds = (max(0, segment_mid - half_seg), min(segment_mid + half_seg, len(nodes)))
-                num_analyzed = sum(num_mv is not None for num_mv, _, _, _ in policy_stats[bounds[0] : bounds[1] + 1])
-                if num_analyzed >= self.segment_length * 0.75:
-                    for pl, rank in self.calculate_ranks(policy_stats[bounds[0] : bounds[1] + 1], num_intersec).items():
-                        ranks[pl].append((segment_mid, rank))
-            self.rank_by_player = ranks
-        except Exception as e:
-            MDApp.get_running_app().gui.log(f"Exception while calculating rank: {e}", OUTPUT_ERROR)
-        self.redraw_trigger()
-
-    def update_value(self, node):
-        super().update_value(node)
-        self.trigger_calculate()
-
-    def trigger_calculate(self):
-        if self.opacity != 0:  # recalc here on trigger and only if visible for speed
-            self.calculate_trigger()
-
-    def update_graph(self, *args):
-        if self.rank_by_player:
-            xscale = self.width / max(len(self.nodes) - 1, 15)
-            available_height = self.height
-
-            all_ranks = [rank for lst in self.rank_by_player.values() for seg, rank in lst if rank is not None]
-            if not all_ranks:
-                return
-
-            min_rank = math.floor(min(all_ranks))
-            max_rank = math.ceil(max(all_ranks))
-            if max_rank == min_rank:
-                min_rank -= 1
-            if (max_rank - min_rank) % 2 != 0:  # make midpoint whole integer
-                if abs(max_rank - max(all_ranks)) < abs(min(all_ranks) - min_rank) and max_rank < self.RANK_CAP:
-                    max_rank += 1
-                else:
-                    min_rank -= 1
-            rank_range = max_rank - min_rank
-
-            self.ids.mid_marker.text = rank_label((max_rank + min_rank) / 2)
-            self.ids.top_marker.text = rank_label(max_rank) + ("+" if max_rank == self.RANK_CAP else "")
-            self.ids.bottom_marker.text = rank_label(min_rank)
-
-            graph_points = {}
-            for pl, rank_points in self.rank_by_player.items():
-                graph_points[pl] = [
-                    [
-                        self.x + i * xscale,
-                        self.y + available_height * (val - min_rank) / rank_range if val is not None else math.nan,
-                    ]
-                    for i, val in rank_points
-                ]
-            self.black_rank_points = sum(graph_points["B"], [])
-            self.white_rank_points = sum(graph_points["W"], [])
-        else:
-            self.black_rank_points = []
-            self.white_rank_points = []
-
-
 Builder.load_string(
     """
 #:set GRAPH_CENTER_COLOR [0.5,0.5,0.5]
@@ -387,39 +246,6 @@ Builder.load_string(
         color: WINRATE_MARKER_COLOR
         pos:root.pos[0]+1, root.pos[1]
         text: "{}%".format(50 - root.winrate_scale)
-        opacity: int(root.show_winrate) 
-
-<RankGraph>:
-    background_color: LIGHTER_BACKGROUND_COLOR
-    canvas:
-        Color:
-            rgba: WHITE
-        Line:
-            points: root.white_rank_points
-            width: dp(1.1)
-        Color:
-            rgba: BLACK
-        Line:
-            points: root.black_rank_points
-            width: dp(1.1)
-    # rank ticks
-    GraphMarkerLabel:
-        id: mid_marker
-        font_size: root.marker_font_size
-        color:  YELLOW
-        pos: root.x + root.width - self.width-1, root.y + root.height*0.5 - self.height/2 + 2
-        text: '?' + i18n._('strength:kyu')
-    GraphMarkerLabel:
-        id: top_marker
-        font_size: root.marker_font_size
-        color: YELLOW
-        pos: root.x + root.width - self.width-1,  root.pos[1]+root.height - self.font_size - 1
-        text: '?' + i18n._('strength:kyu')
-    GraphMarkerLabel:
-        id: bottom_marker
-        font_size: root.marker_font_size
-        color: YELLOW
-        pos: root.x + root.width - self.width-1, root.pos[1]
-        text: '?' + i18n._('strength:kyu')
+        opacity: int(root.show_winrate)
 """
 )

katrain/gui/widgets/movetree.py

@@ -12,20 +12,14 @@ from kivymd.app import MDApp
 
 from katrain.gui.kivyutils import BackgroundMixin, draw_circle, draw_text
 from katrain.gui.style import (
-    BACKGROUND_COLOR,
-    DARKRED,
     GREEN,
     LIGHT_ORANGE,
-    LIGHTER_BACKGROUND_COLOR,
     LIGHTGREY,
     ORANGE,
-    OUTLINE_COLORS,
     RED,
     STONE_COLORS,
     STONE_TEXT_COLORS,
-    WHITE,
     YELLOW,
-    GREY,
 )
 
 
@@ -268,7 +262,7 @@ Builder.load_string(
         scroll_view_widget: root
         id: move_tree_canvas
         size_hint: None, None
-        
+
 <MoveTreeDropdownItem@MenuItem>:
     canvas.before:
         Color:

katrain/gui/widgets/selection_slider.py

@@ -1,8 +1,6 @@
 from kivy.lang import Builder
 from kivy.properties import BooleanProperty, ListProperty, NumericProperty
 from kivy.uix.widget import Widget
-from kivymd.uix.label import MDLabel
-from kivymd.uix.selectioncontrol import Thumb
 
 
 class SelectionSlider(Widget):
@@ -122,7 +120,7 @@ KV = """
         size:
             (max(dp(28), label.texture_size[0]+4) , dp(28))
         pos:
-            (slider.px_pos - dp(9), slider.center_y - hint_box.height / 2 + dp(30)) 
+            (slider.px_pos - dp(9), slider.center_y - hint_box.height / 2 + dp(30))
 
         Label:
             id: label

katrain/i18n/locales/cn/LC_MESSAGES/katrain.po

@@ -762,3 +762,10 @@ msgstr "Expand/Collapse"
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
 
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/de/LC_MESSAGES/katrain.po

@@ -814,3 +814,10 @@ msgstr "Expand/Collapse"
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
 
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/en/LC_MESSAGES/katrain.po

@@ -360,6 +360,14 @@ msgstr "Setup New Game"
 msgid "player names"
 msgstr "Player Names"
 
+#. hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"
+
 msgid "board size"
 msgstr "Board size"
 

katrain/i18n/locales/es/LC_MESSAGES/katrain.po

@@ -821,3 +821,10 @@ msgstr "Expand/Collapse"
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
 
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/fr/LC_MESSAGES/katrain.po

@@ -847,3 +847,11 @@ msgstr "Expand/Collapse"
 #. TODO - Menu option
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
+
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/jp/LC_MESSAGES/katrain.po

@@ -804,3 +804,11 @@ msgstr "Expand/Collapse"
 #. TODO - Menu option
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
+
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/ko/LC_MESSAGES/katrain.po

@@ -775,3 +775,10 @@ msgstr "Expand/Collapse"
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
 
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/i18n/locales/ru/LC_MESSAGES/katrain.po

@@ -811,3 +811,10 @@ msgstr "Expand/Collapse"
 msgid "analysis:playtoend"
 msgstr "Fast playout to game end"
 
+#. TODO - hint on player name input
+msgid "black player name hint"
+msgstr "Black player's name"
+
+#. TODO - hint on player name input
+msgid "white player name hint"
+msgstr "White player's name"

katrain/popups.kv

@@ -393,11 +393,13 @@
             LabelledTextInput:
                 text: ''
                 id: black_player_name
+                hint_text: i18n._("black player name hint")
                 size_hint: 0.75, None
         AnchorLayout:
             LabelledTextInput:
                 text: ''
                 id: white_player_name
+                hint_text: i18n._("white player name hint")
                 size_hint: 0.75, None
         DescriptionLabel:
             text: i18n._("board size")