/usr/lib/python2.7/dist-packages/ufl/log.py is in python-ufl 1.6.0-1.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 | """This module provides functions used by the UFL implementation to
output messages. These may be redirected by the user of UFL."""
# Copyright (C) 2005-2014 Anders Logg and Martin Sandve Alnaes
#
# This file is part of UFL.
#
# UFL is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# UFL is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with UFL. If not, see <http://www.gnu.org/licenses/>.
#
# Modified by Johan Hake, 2009.
import sys
import types
import logging
log_functions = ["log", "debug", "info", "deprecate", "warning", "error", "begin", "end",
"set_level", "push_level", "pop_level", "set_indent", "add_indent",
"set_handler", "get_handler", "get_logger", "add_logfile", "set_prefix",
"info_red", "info_green", "info_blue",
"warning_red", "warning_green", "warning_blue"]
__all__ = log_functions + ["DEBUG", "INFO", "DEPRECATE", "WARNING", "ERROR",
"CRITICAL", "Logger", "log_functions"]
# Import default log levels
from logging import DEBUG, INFO, WARNING, ERROR, CRITICAL
DEPRECATE = (INFO + WARNING) // 2
# This is used to override emit() in StreamHandler for printing without newline
def emit(self, record):
message = self.format(record)
format_string = "%s" if getattr(record, "continued", False) else "%s\n"
self.stream.write(format_string % message)
self.flush()
# Colors
RED = "\033[1;37;31m%s\033[0m"
BLUE = "\033[1;37;34m%s\033[0m"
GREEN = "\033[1;37;32m%s\033[0m"
# Logger class
class Logger:
def __init__(self, name, exception_type=Exception):
"Create logger instance."
self._name = name
self._exception_type = exception_type
# Set up handler
h = logging.StreamHandler(sys.stdout)
h.setLevel(WARNING)
# Override emit() in handler for indentation
h.emit = types.MethodType(emit, h)
self._handler = h
# Set up logger
self._log = logging.getLogger(name)
assert len(self._log.handlers) == 0
self._log.addHandler(h)
self._log.setLevel(DEBUG)
self._logfiles = {}
# Set initial indentation level
self._indent_level = 0
# Setup stack with default logging level
self._level_stack = [DEBUG]
# Set prefix
self._prefix = ""
def add_logfile(self, filename=None, mode="a", level=DEBUG):
if filename is None:
filename = "%s.log" % self._name
if filename in self._logfiles:
self.warning("Trying to add logfile %s multiple times." % filename)
return
h = logging.FileHandler(filename, mode)
h.emit = types.MethodType(emit, h)
h.setLevel(level)
self._log.addHandler(h)
self._logfiles[filename] = h
return h
def get_logfile_handler(self, filename):
return self._logfiles[filename]
def log(self, level, *message):
"Write a log message on given log level"
text = self._format_raw(*message)
if len(text) >= 3 and text[-3:] == "...":
self._log.log(level, self._format(*message), extra={"continued": True})
else:
self._log.log(level, self._format(*message))
def debug(self, *message):
"Write debug message."
self.log(DEBUG, *message)
def info(self, *message):
"Write info message."
self.log(INFO, *message)
def info_red(self, *message):
"Write info message in red."
self.log(INFO, RED % self._format_raw(*message))
def info_green(self, *message):
"Write info message in green."
self.log(INFO, GREEN % self._format_raw(*message))
def info_blue(self, *message):
"Write info message in blue."
self.log(INFO, BLUE % self._format_raw(*message))
def deprecate(self, *message):
"Write deprecation message."
self.log(DEPRECATE, RED % self._format_raw(*message))
def warning(self, *message):
"Write warning message."
self._log.warning(self._format(*message))
def warning_red(self, *message):
"Write warning message in red."
self._log.warning(RED % self._format(*message))
def warning_green(self, *message):
"Write warning message in green."
self._log.warning(GREEN % self._format(*message))
def warning_blue(self, *message):
"Write warning message in blue."
self._log.warning(BLUE % self._format(*message))
def error(self, *message):
"Write error message and raise an exception."
self._log.error(*message)
raise self._exception_type(self._format_raw(*message))
def begin(self, *message):
"Begin task: write message and increase indentation level."
self.info(*message)
self.info("-"*len(self._format_raw(*message)))
self.add_indent()
def end(self):
"End task: write a newline and decrease indentation level."
self.info("")
self.add_indent(-1)
def push_level(self, level):
"Push a log level on the level stack."
self._level_stack.append(level)
self.set_level(level)
def pop_level(self):
"Pop log level from the level stack, reverting to before the last push_level."
self._level_stack.pop()
level = self._level_stack[-1]
self.set_level(level)
def set_level(self, level):
"Set log level."
self._level_stack[-1] = level
#self._log.setLevel(level)
self._handler.setLevel(level)
def set_indent(self, level):
"Set indentation level."
self._indent_level = level
def add_indent(self, increment=1):
"Add to indentation level."
self._indent_level += increment
def get_handler(self):
"Get handler for logging."
return self._handler
def set_handler(self, handler):
"""Replace handler for logging.
To add additional handlers instead
of replacing the existing, use
log.get_logger().addHandler(myhandler).
See the logging module for more details.
"""
self._log.removeHandler(self._handler)
self._log.addHandler(handler)
self._handler = handler
handler.emit = types.MethodType(emit, self._handler, self._handler.__class__)
def get_logger(self):
"Return message logger."
return self._log
def set_prefix(self, prefix):
"Set prefix for log messages."
self._prefix = prefix
def _format(self, *message):
"Format message including indentation."
indent = self._prefix + 2*self._indent_level*" "
return "\n".join([indent + line for line in (message[0] % message[1:]).split("\n")])
def _format_raw(self, *message):
"Format message without indentation."
return message[0] % message[1:]
#--- Set up global log functions ---
# Base class for UFL exceptions
class UFLException(Exception):
"Base class for UFL exceptions"
pass
ufl_logger = Logger("UFL", UFLException)
for foo in log_functions:
exec("%s = ufl_logger.%s" % (foo, foo))
set_level(DEPRECATE)
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