/usr/lib/python3/dist-packages/glances/folder_list.py is in glances 2.7.1.1-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
#
# Glances 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.
#
# Glances 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 this program. If not, see <http://www.gnu.org/licenses/>.
"""Manage the folder list."""
import os
from glances.compat import range
from glances.logger import logger
# Use the built-in version of scandir/walk if possible, otherwise
# use the scandir module version
scandir_tag = True
try:
# For Python 3.5 or higher
from os import scandir
except ImportError:
# For others...
try:
from scandir import scandir
except ImportError:
scandir_tag = False
class FolderList(object):
"""This class describes the optional monitored folder list.
The folder list is a list of 'important' folder to monitor.
The list (Python list) is composed of items (Python dict).
An item is defined (dict keys):
* path: Path to the folder
* careful: optional careful threshold (in MB)
* warning: optional warning threshold (in MB)
* critical: optional critical threshold (in MB)
"""
# Maximum number of items in the list
__folder_list_max_size = 10
# The folder list
__folder_list = []
def __init__(self, config):
"""Init the folder list from the configuration file, if it exists."""
self.config = config
if self.config is not None and self.config.has_section('folders'):
if scandir_tag:
# Process monitoring list
logger.debug("Folder list configuration detected")
self.__set_folder_list('folders')
else:
logger.error('Scandir not found. Please use Python 3.5+ or install the scandir lib')
else:
self.__folder_list = []
def __set_folder_list(self, section):
"""Init the monitored folder list.
The list is defined in the Glances configuration file.
"""
for l in range(1, self.__folder_list_max_size + 1):
value = {}
key = 'folder_' + str(l) + '_'
# Path is mandatory
try:
value['path'] = self.config.get_value(section, key + 'path')
except Exception as e:
logger.error("Cannot read folder list: {}".format(e))
continue
if value['path'] is None:
continue
# Optional conf keys
for i in ['careful', 'warning', 'critical']:
try:
value[i] = self.config.get_value(section, key + i)
except:
value[i] = None
logger.debug("No {} threshold for folder {}".format(i, value["path"]))
# Add the item to the list
self.__folder_list.append(value)
def __str__(self):
return str(self.__folder_list)
def __repr__(self):
return self.__folder_list
def __getitem__(self, item):
return self.__folder_list[item]
def __len__(self):
return len(self.__folder_list)
def __get__(self, item, key):
"""Meta function to return key value of item.
Return None if not defined or item > len(list)
"""
if item < len(self.__folder_list):
try:
return self.__folder_list[item][key]
except Exception:
return None
else:
return None
def __folder_size(self, path):
"""Return the size of the directory given by path
path: <string>"""
ret = 0
for f in scandir(path):
if f.is_dir() and (f.name != '.' or f.name != '..'):
ret += self.__folder_size(os.path.join(path, f.name))
else:
try:
ret += f.stat().st_size
except OSError:
pass
return ret
def update(self):
"""Update the command result attributed."""
# Only continue if monitor list is not empty
if len(self.__folder_list) == 0:
return self.__folder_list
# Iter upon the folder list
for i in range(len(self.get())):
# Update folder size
try:
self.__folder_list[i]['size'] = self.__folder_size(self.path(i))
except Exception as e:
logger.debug('Cannot get folder size ({}). Error: {}'.format(self.path(i), e))
if e.errno == 13:
# Permission denied
self.__folder_list[i]['size'] = '!'
else:
self.__folder_list[i]['size'] = '?'
return self.__folder_list
def get(self):
"""Return the monitored list (list of dict)."""
return self.__folder_list
def set(self, newlist):
"""Set the monitored list (list of dict)."""
self.__folder_list = newlist
def getAll(self):
# Deprecated: use get()
return self.get()
def setAll(self, newlist):
# Deprecated: use set()
self.set(newlist)
def path(self, item):
"""Return the path of the item number (item)."""
return self.__get__(item, "path")
def careful(self, item):
"""Return the careful threshold of the item number (item)."""
return self.__get__(item, "careful")
def warning(self, item):
"""Return the warning threshold of the item number (item)."""
return self.__get__(item, "warning")
def critical(self, item):
"""Return the critical threshold of the item number (item)."""
return self.__get__(item, "critical")
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