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
|
# Copyright 2013-2014 The Meson development team
# 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 io
import sys
import time
import platform
from contextlib import contextmanager
"""This is (mostly) a standalone module used to write logging
information about Meson runs. Some output goes to screen,
some to logging dir and some goes to both."""
def _windows_ansi():
from ctypes import windll, byref
from ctypes.wintypes import DWORD
kernel = windll.kernel32
stdout = kernel.GetStdHandle(-11)
mode = DWORD()
if not kernel.GetConsoleMode(stdout, byref(mode)):
return False
# ENABLE_VIRTUAL_TERMINAL_PROCESSING == 0x4
# If the call to enable VT processing fails (returns 0), we fallback to
# original behavior
return kernel.SetConsoleMode(stdout, mode.value | 0x4) or os.environ.get('ANSICON')
if platform.system().lower() == 'windows':
colorize_console = os.isatty(sys.stdout.fileno()) and _windows_ansi()
else:
colorize_console = os.isatty(sys.stdout.fileno()) and os.environ.get('TERM') != 'dumb'
log_dir = None
log_file = None
log_fname = 'meson-log.txt'
log_depth = 0
log_timestamp_start = None
log_fatal_warnings = False
def initialize(logdir, fatal_warnings=False):
global log_dir, log_file, log_fatal_warnings
log_dir = logdir
log_file = open(os.path.join(logdir, log_fname), 'w', encoding='utf8')
log_fatal_warnings = fatal_warnings
def set_timestamp_start(start):
global log_timestamp_start
log_timestamp_start = start
def shutdown():
global log_file
if log_file is not None:
path = log_file.name
exception_around_goer = log_file
log_file = None
exception_around_goer.close()
return path
return None
class AnsiDecorator:
plain_code = "\033[0m"
def __init__(self, text, code, quoted=False):
self.text = text
self.code = code
self.quoted = quoted
def get_text(self, with_codes):
text = self.text
if with_codes:
text = self.code + self.text + AnsiDecorator.plain_code
if self.quoted:
text = '"{}"'.format(text)
return text
def bold(text, quoted=False):
return AnsiDecorator(text, "\033[1m", quoted=quoted)
def red(text):
return AnsiDecorator(text, "\033[1;31m")
def green(text):
return AnsiDecorator(text, "\033[1;32m")
def yellow(text):
return AnsiDecorator(text, "\033[1;33m")
def cyan(text):
return AnsiDecorator(text, "\033[1;36m")
def process_markup(args, keep):
arr = []
if log_timestamp_start is not None:
arr = ['[{:.3f}]'.format(time.monotonic() - log_timestamp_start)]
for arg in args:
if isinstance(arg, str):
arr.append(arg)
elif isinstance(arg, AnsiDecorator):
arr.append(arg.get_text(keep))
else:
arr.append(str(arg))
return arr
def force_print(*args, **kwargs):
iostr = io.StringIO()
kwargs['file'] = iostr
print(*args, **kwargs)
raw = iostr.getvalue()
if log_depth > 0:
prepend = '|' * log_depth
raw = prepend + raw.replace('\n', '\n' + prepend, raw.count('\n') - 1)
# _Something_ is going to get printed.
try:
print(raw, end='')
except UnicodeEncodeError:
cleaned = raw.encode('ascii', 'replace').decode('ascii')
print(cleaned, end='')
def debug(*args, **kwargs):
arr = process_markup(args, False)
if log_file is not None:
print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
log_file.flush()
def log(*args, **kwargs):
arr = process_markup(args, False)
if log_file is not None:
print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
log_file.flush()
if colorize_console:
arr = process_markup(args, True)
force_print(*arr, **kwargs)
def _log_error(severity, *args, **kwargs):
from .mesonlib import get_error_location_string
from .environment import build_filename
from .mesonlib import MesonException
if severity == 'warning':
args = (yellow('WARNING:'),) + args
elif severity == 'error':
args = (red('ERROR:'),) + args
elif severity == 'deprecation':
args = (red('DEPRECATION:'),) + args
else:
assert False, 'Invalid severity ' + severity
location = kwargs.pop('location', None)
if location is not None:
location_file = os.path.join(location.subdir, build_filename)
location_str = get_error_location_string(location_file, location.lineno)
args = (location_str,) + args
log(*args, **kwargs)
global log_fatal_warnings
if log_fatal_warnings:
raise MesonException("Fatal warnings enabled, aborting")
def error(*args, **kwargs):
return _log_error('error', *args, **kwargs)
def warning(*args, **kwargs):
return _log_error('warning', *args, **kwargs)
def deprecation(*args, **kwargs):
return _log_error('deprecation', *args, **kwargs)
def exception(e):
log()
if hasattr(e, 'file') and hasattr(e, 'lineno') and hasattr(e, 'colno'):
log('%s:%d:%d:' % (e.file, e.lineno, e.colno), red('ERROR: '), e)
else:
log(red('ERROR:'), e)
# Format a list for logging purposes as a string. It separates
# all but the last item with commas, and the last with 'and'.
def format_list(list):
l = len(list)
if l > 2:
return ' and '.join([', '.join(list[:-1]), list[-1]])
elif l == 2:
return ' and '.join(list)
elif l == 1:
return list[0]
else:
return ''
@contextmanager
def nested():
global log_depth
log_depth += 1
try:
yield
finally:
log_depth -= 1
|
