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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
# Copyright (C) 2008 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
import pager
COLORS = {
None: -1,
"normal": -1,
"black": 0,
"red": 1,
"green": 2,
"yellow": 3,
"blue": 4,
"magenta": 5,
"cyan": 6,
"white": 7,
}
ATTRS = {None: -1, "bold": 1, "dim": 2, "ul": 4, "blink": 5, "reverse": 7}
RESET = "\033[m"
def is_color(s):
return s in COLORS
def is_attr(s):
return s in ATTRS
def _Color(fg=None, bg=None, attr=None):
fg = COLORS[fg]
bg = COLORS[bg]
attr = ATTRS[attr]
if attr >= 0 or fg >= 0 or bg >= 0:
need_sep = False
code = "\033["
if attr >= 0:
code += chr(ord("0") + attr)
need_sep = True
if fg >= 0:
if need_sep:
code += ";"
need_sep = True
if fg < 8:
code += "3%c" % (ord("0") + fg)
else:
code += "38;5;%d" % fg
if bg >= 0:
if need_sep:
code += ";"
if bg < 8:
code += "4%c" % (ord("0") + bg)
else:
code += "48;5;%d" % bg
code += "m"
else:
code = ""
return code
DEFAULT = None
def SetDefaultColoring(state):
"""Set coloring behavior to |state|.
This is useful for overriding config options via the command line.
"""
if state is None:
# Leave it alone -- return quick!
return
global DEFAULT
state = state.lower()
if state in ("auto",):
DEFAULT = state
elif state in ("always", "yes", "true", True):
DEFAULT = "always"
elif state in ("never", "no", "false", False):
DEFAULT = "never"
class Coloring:
def __init__(self, config, section_type):
self._section = "color.%s" % section_type
self._config = config
self._out = sys.stdout
on = DEFAULT
if on is None:
on = self._config.GetString(self._section)
if on is None:
on = self._config.GetString("color.ui")
if on == "auto":
if pager.active or os.isatty(1):
self._on = True
else:
self._on = False
elif on in ("true", "always"):
self._on = True
else:
self._on = False
def redirect(self, out):
self._out = out
@property
def is_on(self):
return self._on
def write(self, fmt, *args):
self._out.write(fmt % args)
def flush(self):
self._out.flush()
def nl(self):
self._out.write("\n")
def printer(self, opt=None, fg=None, bg=None, attr=None):
s = self
c = self.colorer(opt, fg, bg, attr)
def f(fmt, *args):
s._out.write(c(fmt, *args))
return f
def nofmt_printer(self, opt=None, fg=None, bg=None, attr=None):
s = self
c = self.nofmt_colorer(opt, fg, bg, attr)
def f(fmt):
s._out.write(c(fmt))
return f
def colorer(self, opt=None, fg=None, bg=None, attr=None):
if self._on:
c = self._parse(opt, fg, bg, attr)
def f(fmt, *args):
output = fmt % args
return "".join([c, output, RESET])
return f
else:
def f(fmt, *args):
return fmt % args
return f
def nofmt_colorer(self, opt=None, fg=None, bg=None, attr=None):
if self._on:
c = self._parse(opt, fg, bg, attr)
def f(fmt):
return "".join([c, fmt, RESET])
return f
else:
def f(fmt):
return fmt
return f
def _parse(self, opt, fg, bg, attr):
if not opt:
return _Color(fg, bg, attr)
v = self._config.GetString(f"{self._section}.{opt}")
if v is None:
return _Color(fg, bg, attr)
v = v.strip().lower()
if v == "reset":
return RESET
elif v == "":
return _Color(fg, bg, attr)
have_fg = False
for a in v.split(" "):
if is_color(a):
if have_fg:
bg = a
else:
fg = a
elif is_attr(a):
attr = a
return _Color(fg, bg, attr)
|
