/usr/lib/python2.7/dist-packages/qtconsole/styles.py is in python-qtconsole 4.3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | """ Style utilities, templates, and defaults for syntax highlighting widgets.
"""
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from colorsys import rgb_to_hls
from pygments.styles import get_style_by_name
from pygments.token import Token
#-----------------------------------------------------------------------------
# Constants
#-----------------------------------------------------------------------------
default_template = '''\
QPlainTextEdit, QTextEdit {
background-color: %(bgcolor)s;
background-clip: padding;
color: %(fgcolor)s;
selection-background-color: %(select)s;
}
.inverted {
background-color: %(fgcolor)s;
color: %(bgcolor)s;
}
.error { color: red; }
.in-prompt-number { font-weight: bold; }
.out-prompt-number { font-weight: bold; }
'''
# The default light style sheet: black text on a white background.
default_light_style_template = default_template + '''\
.in-prompt { color: navy; }
.out-prompt { color: darkred; }
'''
default_light_style_sheet = default_light_style_template%dict(
bgcolor='white', fgcolor='black', select="#ccc")
default_light_syntax_style = 'default'
# The default dark style sheet: white text on a black background.
default_dark_style_template = default_template + '''\
.in-prompt,
.in-prompt-number { color: lime; }
.out-prompt,
.out-prompt-number { color: red; }
'''
default_dark_style_sheet = default_dark_style_template%dict(
bgcolor='black', fgcolor='white', select="#555")
default_dark_syntax_style = 'monokai'
# The default monochrome
default_bw_style_sheet = default_template%dict(
bgcolor='white', fgcolor='black', select="#ccc")
default_bw_syntax_style = 'bw'
def hex_to_rgb(color):
"""Convert a hex color to rgb integer tuple."""
if color.startswith('#'):
color = color[1:]
if len(color) == 3:
color = ''.join([c*2 for c in color])
if len(color) != 6:
return False
try:
r = int(color[:2],16)
g = int(color[2:4],16)
b = int(color[4:],16)
except ValueError:
return False
else:
return r,g,b
def dark_color(color):
"""Check whether a color is 'dark'.
Currently, this is simply whether the luminance is <50%"""
rgb = hex_to_rgb(color)
if rgb:
return rgb_to_hls(*rgb)[1] < 128
else: # default to False
return False
def dark_style(stylename):
"""Guess whether the background of the style with name 'stylename'
counts as 'dark'."""
return dark_color(get_style_by_name(stylename).background_color)
def get_colors(stylename):
"""Construct the keys to be used building the base stylesheet
from a templatee."""
style = get_style_by_name(stylename)
fgcolor = style.style_for_token(Token.Text)['color'] or ''
if len(fgcolor) in (3,6):
# could be 'abcdef' or 'ace' hex, which needs '#' prefix
try:
int(fgcolor, 16)
except TypeError:
pass
else:
fgcolor = "#"+fgcolor
return dict(
bgcolor = style.background_color,
select = style.highlight_color,
fgcolor = fgcolor
)
def sheet_from_template(name, colors='lightbg'):
"""Use one of the base templates, and set bg/fg/select colors."""
colors = colors.lower()
if colors=='lightbg':
return default_light_style_template%get_colors(name)
elif colors=='linux':
return default_dark_style_template%get_colors(name)
elif colors=='nocolor':
return default_bw_style_sheet
else:
raise KeyError("No such color scheme: %s"%colors)
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