This file is indexed.

/usr/lib/python3/dist-packages/instant/output.py is in python3-instant 2017.2.0.0-2.

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
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
"""This module contains internal logging utilities."""

# Copyright (C) 2008 Martin Sandve Alnes
# Copyright (C) 2014 Jan Blechta
#
# This file is part of Instant.
#
# Instant 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.
#
# Instant 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 Instant. If not, see <http://www.gnu.org/licenses/>.
#
# Alternatively, Instant may be distributed under the terms of the BSD license.

from six import string_types
import io, logging, os, platform, sys

# Logging wrappers
_log = logging.getLogger("instant")
_loghandler = logging.StreamHandler()
_log.addHandler(_loghandler)
#_log.setLevel(logging.WARNING)
_log.setLevel(logging.INFO)
#_log.setLevel(logging.DEBUG)

# Choose method for calling external programs. use subprocess by
# default, and os.system on Windows
_default_call_method = 'SUBPROCESS'
if 'Windows' in platform.system() or 'CYGWIN' in platform.system():
    _default_call_method = 'OS_SYSTEM'
_call_method = os.environ.get("INSTANT_SYSTEM_CALL_METHOD",
                              _default_call_method)
_log.debug('Using call method: %s'%_call_method)


def get_log_handler():
    return _loghandler


def get_logger():
    return _log


def set_log_handler(handler):
    global _loghandler
    _log.removeHandler(_loghandler)
    _loghandler = handler
    _log.addHandler(_loghandler)


def set_logging_level(level):
    import inspect
    frame = inspect.currentframe().f_back
    instant_warning("set_logging_level is deprecated but was called "\
                    "from %s, at line %d. Use set_log_level instead." % \
                    (inspect.getfile(frame), frame.f_lineno))
    set_log_level(level)


def set_log_level(level):
    if isinstance(level, string_types):
        level = level.upper()
        assert level in ("INFO", "WARNING", "ERROR", "DEBUG")
        level = getattr(logging, level)
    else:
        assert isinstance(level, int)
    _log.setLevel(level)


# Aliases for calling log consistently:


def instant_debug(*message):
    _log.debug(*message)


def instant_info(*message):
    _log.info(*message)


def instant_warning(*message):
    _log.warning(*message)


def instant_error(*message):
    _log.error(*message)
    text = message[0] % message[1:]
    raise RuntimeError(text)


def instant_assert(condition, *message):
    if not condition:
        _log.error(*message)
        text = message[0] % message[1:]
        raise AssertionError(text)


# Utility functions for file handling:


def write_file(filename, text, mode="w"):
    "Write text to a file and close it."
    try:
        if isinstance(text, bytes):
            text = text.decode("utf8")
        with io.open(filename, mode, encoding="utf8") as f:
            f.write(text)
            f.flush()
    except IOError as e:
        instant_error("Can't open '%s': %s" % (filename, e))


if _call_method == 'SUBPROCESS':

    # NOTE: subprocess in Python 2 is not OFED-fork-safe! Check subprocess.py,
    #       http://bugs.python.org/issue1336#msg146685
    #       OFED-fork-safety means that parent should not
    #       touch anything between fork() and exec(),
    #       which is not met in subprocess module. See
    #       https://www.open-mpi.org/faq/?category=openfabrics#ofa-fork
    #       http://www.openfabrics.org/downloads/OFED/release_notes/OFED_3.12_rc1_release_notes#3.03
    # However, subprocess32 backports the fix from Python 3 to 2.7.
    if os.name == "posix" and sys.version_info[0] < 3:
        try:
            import subprocess32 as subprocess
        except:
            import subprocess
    else:
        import subprocess

    def get_status_output(cmd, input=None, cwd=None, env=None):
        if isinstance(cmd, string_types):
            cmd = cmd.strip().split()
        instant_debug("Running: " + str(cmd))

        # NOTE: This is not OFED-fork-safe! Check subprocess.py,
        #       http://bugs.python.org/issue1336#msg146685
        #       OFED-fork-safety means that parent should not
        #       touch anything between fork() and exec(),
        #       which is not met in subprocess module. See
        #       https://www.open-mpi.org/faq/?category=openfabrics#ofa-fork
        #       http://www.openfabrics.org/downloads/OFED/release_notes/OFED_3.12_rc1_release_notes#3.03
        pipe = subprocess.Popen(cmd, shell=False, cwd=cwd, env=env, stdout=subprocess.PIPE,
                     stderr=subprocess.STDOUT)

        (output, errout) = pipe.communicate(input=input)
        assert not errout

        status = pipe.returncode
        output = output.decode('utf-8') if sys.version_info[0] > 2 else output

        return (status, output)

elif _call_method == 'OS_SYSTEM':
    import tempfile
    from .paths import get_default_error_dir

    def get_status_output(cmd, input=None, cwd=None, env=None):
        # We don't need function with such a generality.
        # We only need output and return code.
        if not isinstance(cmd, string_types) or input is not None or \
            cwd is not None or env is not None:
            raise NotImplementedError(
                'This implementation (%s) of get_status_output does'
                ' not accept \'input\', \'cwd\' and \'env\' kwargs.'
                %_call_method)

        f = tempfile.NamedTemporaryFile(dir=get_default_error_dir(),
                                        delete=True)

        # Execute cmd with redirection
        cmd += ' > ' + f.name + ' 2>&1'
        instant_debug("Running: " + str(cmd))
        # NOTE: Possibly OFED-fork-safe, tests needed!
        status = os.system(cmd)

        output = f.read()
        f.close()

        output = output.decode('utf-8') if sys.version_info[0] > 2 else output
        return (status, output)
else:
    instant_error('Incomprehensible environment variable'
                  ' INSTANT_SYSTEM_CALL_METHOD=%s'%_call_method)