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theme.py: flake8 pass

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Conversion from %-format to f-string means an `assert ..., string`` is now
a condition and a `raise AssertionError(string)`.  The problem being that
f-string gets evaluated before the assert, but in this case the things the
f-string relies on are only there if the assert triggers.
This commit is contained in:
Athanasius 2022-12-03 16:59:39 +00:00
parent c9555cce66
commit cc8e0bfd27
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1 changed files with 42 additions and 30 deletions
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72
theme.py
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@ -1,20 +1,20 @@
# """
# Theme support Theme support.
#
# Because of various ttk limitations this app is an unholy mix of Tk and ttk widgets. Because of various ttk limitations this app is an unholy mix of Tk and ttk widgets.
# So can't use ttk's theme support. So have to change colors manually. So can't use ttk's theme support. So have to change colors manually.
# """
import os import os
import sys import sys
import tkinter as tk import tkinter as tk
from os.path import join from os.path import join
from tkinter import font as tkFont from tkinter import font as tk_font
from tkinter import ttk from tkinter import ttk
from config import config from config import config
from ttkHyperlinkLabel import HyperlinkLabel
from EDMCLogging import get_main_logger from EDMCLogging import get_main_logger
from ttkHyperlinkLabel import HyperlinkLabel
logger = get_main_logger() logger = get_main_logger()
@ -65,6 +65,8 @@ elif sys.platform == 'linux':
MWM_DECOR_MAXIMIZE = 1 << 6 MWM_DECOR_MAXIMIZE = 1 << 6
class MotifWmHints(Structure): class MotifWmHints(Structure):
"""MotifWmHints structure."""
_fields_ = [ _fields_ = [
('flags', c_ulong), ('flags', c_ulong),
('functions', c_ulong), ('functions', c_ulong),
@ -99,16 +101,19 @@ elif sys.platform == 'linux':
raise Exception("Can't find your display, can't continue") raise Exception("Can't find your display, can't continue")
motif_wm_hints_property = XInternAtom(dpy, b'_MOTIF_WM_HINTS', False) motif_wm_hints_property = XInternAtom(dpy, b'_MOTIF_WM_HINTS', False)
motif_wm_hints_normal = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS, motif_wm_hints_normal = MotifWmHints(
MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE, MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS,
MWM_DECOR_BORDER | MWM_DECOR_RESIZEH | MWM_DECOR_TITLE | MWM_DECOR_MENU | MWM_DECOR_MINIMIZE, MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE,
0, 0) MWM_DECOR_BORDER | MWM_DECOR_RESIZEH | MWM_DECOR_TITLE | MWM_DECOR_MENU | MWM_DECOR_MINIMIZE,
0, 0
)
motif_wm_hints_dark = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS, motif_wm_hints_dark = MotifWmHints(MWM_HINTS_FUNCTIONS | MWM_HINTS_DECORATIONS,
MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE, MWM_FUNC_RESIZE | MWM_FUNC_MOVE | MWM_FUNC_MINIMIZE | MWM_FUNC_CLOSE,
0, 0, 0) 0, 0, 0)
except: except Exception:
if __debug__: if __debug__:
print_exc() print_exc()
dpy = None dpy = None
@ -124,8 +129,9 @@ class _Theme(object):
self.default_ui_scale = None # None == not yet known self.default_ui_scale = None # None == not yet known
self.startup_ui_scale = None self.startup_ui_scale = None
def register(self, widget): def register(self, widget): # noqa: CCR001, C901
# Note widget and children for later application of a theme. Note if the widget has explicit fg or bg attributes. # Note widget and children for later application of a theme. Note if
# the widget has explicit fg or bg attributes.
assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget assert isinstance(widget, tk.Widget) or isinstance(widget, tk.BitmapImage), widget
if not self.defaults: if not self.defaults:
# Can't initialise this til window is created # Windows, MacOS # Can't initialise this til window is created # Windows, MacOS
@ -160,7 +166,10 @@ class _Theme(object):
if 'font' in widget.keys() and str(widget['font']) not in ['', self.defaults['entryfont']]: if 'font' in widget.keys() and str(widget['font']) not in ['', self.defaults['entryfont']]:
attribs.add('font') attribs.add('font')
elif isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame) or isinstance(widget, tk.Canvas): elif isinstance(widget, tk.Frame) or isinstance(widget, ttk.Frame) or isinstance(widget, tk.Canvas):
if ('background' in widget.keys() or isinstance(widget, tk.Canvas)) and widget['background'] not in ['', self.defaults['frame']]: if (
('background' in widget.keys() or isinstance(widget, tk.Canvas))
and widget['background'] not in ['', self.defaults['frame']]
):
attribs.add('bg') attribs.add('bg')
elif isinstance(widget, HyperlinkLabel): elif isinstance(widget, HyperlinkLabel):
pass # Hack - HyperlinkLabel changes based on state, so skip pass # Hack - HyperlinkLabel changes based on state, so skip
@ -245,12 +254,13 @@ class _Theme(object):
'foreground': config.get_str('dark_text'), 'foreground': config.get_str('dark_text'),
'activebackground': config.get_str('dark_text'), 'activebackground': config.get_str('dark_text'),
'activeforeground': 'grey4', 'activeforeground': 'grey4',
'disabledforeground': '#%02x%02x%02x' % (int(r/384), int(g/384), int(b/384)), 'disabledforeground': f'#{int(r/384):02x}{int(g/384):02x}{int(b/384):02x}',
'highlight': config.get_str('dark_highlight'), 'highlight': config.get_str('dark_highlight'),
# Font only supports Latin 1 / Supplement / Extended, and a few General Punctuation and Mathematical Operators # Font only supports Latin 1 / Supplement / Extended, and a
# few General Punctuation and Mathematical Operators
# LANG: Label for commander name in main window # LANG: Label for commander name in main window
'font': (theme > 1 and not 0x250 < ord(_('Cmdr')[0]) < 0x3000 and 'font': (theme > 1 and not 0x250 < ord(_('Cmdr')[0]) < 0x3000 and
tkFont.Font(family='Euro Caps', size=10, weight=tkFont.NORMAL) or tk_font.Font(family='Euro Caps', size=10, weight=tk_font.NORMAL) or
'TkDefaultFont'), 'TkDefaultFont'),
} }
else: else:
@ -282,9 +292,11 @@ class _Theme(object):
self._update_widget(child) self._update_widget(child)
# Apply current theme to a single widget # Apply current theme to a single widget
def _update_widget(self, widget): def _update_widget(self, widget): # noqa: CCR001, C901
assert widget in self.widgets, '%s %s "%s"' % ( if widget not in self.widgets:
widget.winfo_class(), widget, 'text' in widget.keys() and widget['text']) assert_str = f'{widget.winfo_class()} {widget} "{"text" in widget.keys() and widget["text"]}"'
raise AssertionError(assert_str)
attribs = self.widgets.get(widget, []) attribs = self.widgets.get(widget, [])
try: try:
@ -348,7 +360,7 @@ class _Theme(object):
# Apply configured theme # Apply configured theme
def apply(self, root): def apply(self, root): # noqa: CCR001
theme = config.get_int('theme') theme = config.get_int('theme')
self._colors(root, theme) self._colors(root, theme)
@ -390,14 +402,14 @@ class _Theme(object):
window.setAppearance_(appearance) window.setAppearance_(appearance)
elif sys.platform == 'win32': elif sys.platform == 'win32':
GWL_STYLE = -16 GWL_STYLE = -16 # noqa: N806 # ctypes
WS_MAXIMIZEBOX = 0x00010000 WS_MAXIMIZEBOX = 0x00010000 # noqa: N806 # ctypes
# tk8.5.9/win/tkWinWm.c:342 # tk8.5.9/win/tkWinWm.c:342
GWL_EXSTYLE = -20 GWL_EXSTYLE = -20 # noqa: N806 # ctypes
WS_EX_APPWINDOW = 0x00040000 WS_EX_APPWINDOW = 0x00040000 # noqa: N806 # ctypes
WS_EX_LAYERED = 0x00080000 WS_EX_LAYERED = 0x00080000 # noqa: N806 # ctypes
GetWindowLongW = ctypes.windll.user32.GetWindowLongW GetWindowLongW = ctypes.windll.user32.GetWindowLongW # noqa: N806 # ctypes
SetWindowLongW = ctypes.windll.user32.SetWindowLongW SetWindowLongW = ctypes.windll.user32.SetWindowLongW # noqa: N806 # ctypes
root.overrideredirect(theme and 1 or 0) root.overrideredirect(theme and 1 or 0)
root.attributes("-transparentcolor", theme > 1 and 'grey4' or '') root.attributes("-transparentcolor", theme > 1 and 'grey4' or '')