/usr/lib/python2.7/dist-packages/instant/paths.py is in python-instant 1.6.0-1.
This file is owned by root:root, with mode 0o644.
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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 | """This module contains helper functions for working with temp and cache directories."""
# Copyright (C) 2008 Martin Sandve Alnes
# Copyright (C) 2012 Florian Rathgeber
#
# 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.
# Utilities for directory handling:
import os
import errno
import shutil
import tempfile
import time
from .signatures import compute_checksum
from .output import instant_debug, instant_assert
_tmp_dir = None
def get_temp_dir():
"""Return a temporary directory for the duration of this process.
Multiple calls in the same process returns the same directory.
Remember to call delete_temp_dir() before exiting."""
global _tmp_dir
if _tmp_dir is None:
datestring = "%d-%d-%d-%02d-%02d" % time.localtime()[:5]
suffix = datestring + "_instant_" + compute_checksum(get_default_cache_dir())
_tmp_dir = tempfile.mkdtemp(suffix)
instant_debug("Created temp directory '%s'." % _tmp_dir)
return _tmp_dir
def delete_temp_dir():
"""Delete the temporary directory created by get_temp_dir()."""
global _tmp_dir
if _tmp_dir and os.path.isdir(_tmp_dir):
shutil.rmtree(_tmp_dir, ignore_errors=True)
_tmp_dir = None
def get_instant_dir():
"Return the default instant directory, creating it if necessary."
# os.path.expanduser works for Windows, Linux, and Mac
# In Windows, $HOME is os.environ['HOMEDRIVE'] + os.environ['HOMEPATH']
instant_dir = os.path.join(os.path.expanduser("~"), ".instant")
makedirs(instant_dir)
return instant_dir
def get_default_cache_dir():
"Return the default cache directory."
cache_dir = os.environ.get("INSTANT_CACHE_DIR")
# Catches the cases where INSTANT_CACHE_DIR is not set or ''
if not cache_dir:
cache_dir = os.path.join(get_instant_dir(), "cache")
makedirs(cache_dir)
return cache_dir
def get_default_error_dir():
"Return the default error directory."
error_dir = os.environ.get("INSTANT_ERROR_DIR")
# Catches the cases where INSTANT_ERROR_DIR is not set or ''
if not error_dir:
error_dir = os.path.join(get_instant_dir(), "error")
makedirs(error_dir)
return error_dir
def validate_cache_dir(cache_dir):
if cache_dir is None:
return get_default_cache_dir()
instant_assert(isinstance(cache_dir, str), "Expecting cache_dir to be a string.")
cache_dir = os.path.abspath(cache_dir)
makedirs(cache_dir)
return cache_dir
def makedirs(path):
"""
Creates a directory (tree). If directory already excists it does nothing.
"""
try:
os.makedirs(path)
instant_debug("In instant.makedirs: Creating directory %r" % path)
except os.error as e:
if e.errno != errno.EEXIST:
raise
def _test():
from .output import set_logging_level
set_logging_level("DEBUG")
print("Temp dir:", get_temp_dir())
print("Instant dir:", get_instant_dir())
print("Default cache dir:", get_default_cache_dir())
print("Default error dir:", get_default_error_dir())
delete_temp_dir()
if __name__ == "__main__":
_test()
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