1 | #! /usr/bin/env python |
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2 | # -*- coding: ISO-8859-15 -*- |
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3 | |
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4 | # PyKota Print Quota Editor |
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5 | # |
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6 | # PyKota - Print Quotas for CUPS and LPRng |
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7 | # |
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8 | # (c) 2003, 2004, 2005 Jerome Alet <alet@librelogiciel.com> |
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9 | # This program is free software; you can redistribute it and/or modify |
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10 | # it under the terms of the GNU General Public License as published by |
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11 | # the Free Software Foundation; either version 2 of the License, or |
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12 | # (at your option) any later version. |
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13 | # |
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14 | # This program is distributed in the hope that it will be useful, |
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15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | # GNU General Public License for more details. |
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18 | # |
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19 | # You should have received a copy of the GNU General Public License |
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20 | # along with this program; if not, write to the Free Software |
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21 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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22 | # |
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23 | # $Id$ |
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24 | # |
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25 | # |
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26 | |
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27 | import sys |
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28 | import os |
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29 | import pwd |
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30 | import time |
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31 | |
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32 | try : |
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33 | import pyosd |
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34 | except ImportError : |
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35 | sys.stderr.write("Sorry ! You need both xosd and the Python OSD library (pyosd) for this software to work.\n") |
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36 | sys.exit(-1) |
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37 | |
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38 | from pykota.tool import PyKotaTool, PyKotaToolError, crashed, N_ |
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39 | |
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40 | __doc__ = N_("""pykosd v%s (c) 2003, 2004, 2005 C@LL - Conseil Internet & Logiciels Libres |
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41 | An OSD quota monitor for PyKota. |
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42 | |
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43 | command line usage : |
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44 | |
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45 | pykosd [options] |
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46 | |
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47 | options : |
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48 | |
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49 | -v | --version Prints pykosd's version number then exits. |
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50 | -h | --help Prints this message then exits. |
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51 | |
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52 | -c | --color #rrggbb Sets the color to use for display as an hexadecimal |
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53 | triplet, for example #FF0000 is 100%% red. |
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54 | Defaults to 100%% green (#00FF00). |
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55 | |
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56 | -d | --duration d Sets the duration of the display in seconds. |
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57 | Defaults to 3 seconds. |
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58 | |
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59 | -f | --font f Sets the font to use for display. |
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60 | Defaults to the Python OSD library's default. |
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61 | |
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62 | -l | --loop n Sets the number of times the info will be displayed. |
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63 | Defaults to 0, which means loop forever. |
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64 | |
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65 | -s | --sleep s Sets the sleeping duration between two displays |
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66 | in seconds. Defaults to 180 seconds (3 minutes). |
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67 | |
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68 | |
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69 | examples : |
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70 | |
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71 | $ pykosd -s 60 --loop 5 |
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72 | |
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73 | Will launch pykosd. Display will be refreshed every 60 seconds, |
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74 | and will last for 3 seconds (the default) each time. After five |
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75 | iterations, the program will exit. |
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76 | |
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77 | This program is free software; you can redistribute it and/or modify |
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78 | it under the terms of the GNU General Public License as published by |
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79 | the Free Software Foundation; either version 2 of the License, or |
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80 | (at your option) any later version. |
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81 | |
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82 | This program is distributed in the hope that it will be useful, |
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83 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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84 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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85 | GNU General Public License for more details. |
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86 | |
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87 | You should have received a copy of the GNU General Public License |
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88 | along with this program; if not, write to the Free Software |
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89 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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90 | |
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91 | Please e-mail bugs to: %s""") |
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92 | |
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93 | |
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94 | class PyKOSD(PyKotaTool) : |
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95 | def main(self, args, options) : |
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96 | """Main function starts here.""" |
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97 | try : |
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98 | duration = int(options["duration"]) |
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99 | except : |
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100 | raise PyKotaToolError, _("Invalid duration option %s") % str(options["duration"]) |
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101 | |
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102 | try : |
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103 | loop = int(options["loop"]) |
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104 | except : |
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105 | raise PyKotaToolError, _("Invalid loop option %s") % str(options["loop"]) |
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106 | |
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107 | try : |
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108 | sleep = float(options["sleep"]) |
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109 | except : |
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110 | raise PyKotaToolError, _("Invalid sleep option %s") % str(options["sleep"]) |
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111 | |
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112 | color = options["color"] |
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113 | if not color.startswith("#") : |
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114 | color = "#%s" % color |
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115 | if len(color) != 7 : |
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116 | raise PyKotaToolError, _("Invalid color option %s") % str(color) |
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117 | savecolor = color |
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118 | |
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119 | uname = pwd.getpwuid(os.geteuid())[0] |
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120 | while 1 : |
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121 | color = savecolor |
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122 | user = cmd.storage.getUserFromBackend(uname) # don't use cache |
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123 | if not user.Exists : |
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124 | raise PyKotaToolError, _("User %s doesn't exist in PyKota's database") % uname |
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125 | if user.LimitBy == "quota" : |
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126 | printers = cmd.storage.getMatchingPrinters("*") |
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127 | upquotas = [ cmd.storage.getUserPQuotaFromBackend(user, p) for p in printers ] # don't use cache |
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128 | nblines = len(upquotas) |
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129 | display = pyosd.osd(font=options["font"], colour=color, timeout=duration, shadow=2, lines=nblines) |
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130 | for line in range(nblines) : |
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131 | upq = upquotas[line] |
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132 | if upq.HardLimit is None : |
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133 | if upq.SoftLimit is None : |
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134 | percent = "%s" % upq.PageCounter |
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135 | else : |
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136 | percent = "%s%%" % min((upq.PageCounter * 100) / upq.SoftLimit, 100) |
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137 | else : |
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138 | percent = "%s%%" % min((upq.PageCounter * 100) / upq.HardLimit, 100) |
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139 | display.display(_("Pages used on %s : %s") % (upq.Printer.Name, percent), type=pyosd.TYPE_STRING, line=line) |
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140 | else : |
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141 | if user.AccountBalance <= 0 : |
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142 | color = "#FF0000" |
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143 | display = pyosd.osd(font=options["font"], colour=color, timeout=duration, shadow=2) |
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144 | display.display(_("PyKota Units left : %.2f") % user.AccountBalance, type=pyosd.TYPE_STRING) |
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145 | |
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146 | time.sleep(duration + 1) |
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147 | if loop : |
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148 | loop -= 1 |
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149 | if not loop : |
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150 | break |
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151 | time.sleep(sleep) |
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152 | |
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153 | return 0 |
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154 | |
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155 | if __name__ == "__main__" : |
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156 | retcode = -1 |
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157 | try : |
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158 | defaults = { \ |
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159 | "color" : "#00FF00", \ |
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160 | "duration" : "3", \ |
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161 | "font" : pyosd.default_font, \ |
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162 | "loop" : "0", \ |
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163 | "sleep" : "180", \ |
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164 | } |
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165 | short_options = "hvc:d:f:l:s:" |
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166 | long_options = ["help", "version", "color=", "colour=", "duration=", "font=", "loop=", "sleep="] |
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167 | |
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168 | cmd = PyKOSD(doc=__doc__) |
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169 | cmd.deferredInit() |
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170 | |
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171 | # parse and checks the command line |
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172 | (options, args) = cmd.parseCommandline(sys.argv[1:], short_options, long_options, allownothing=1) |
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173 | |
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174 | # sets long options |
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175 | options["help"] = options["h"] or options["help"] |
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176 | options["version"] = options["v"] or options["version"] |
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177 | options["color"] = options["c"] or options["color"] or options["colour"] or defaults["color"] |
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178 | options["duration"] = options["d"] or options["duration"] or defaults["duration"] |
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179 | options["font"] = options["f"] or options["font"] or defaults["font"] |
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180 | options["loop"] = options["l"] or options["loop"] or defaults["loop"] |
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181 | options["sleep"] = options["s"] or options["sleep"] or defaults["sleep"] |
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182 | |
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183 | if options["help"] : |
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184 | cmd.display_usage_and_quit() |
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185 | elif options["version"] : |
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186 | cmd.display_version_and_quit() |
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187 | else : |
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188 | retcode = cmd.main(args, options) |
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189 | except KeyboardInterrupt : |
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190 | retcode = 0 |
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191 | except KeyboardInterrupt : |
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192 | sys.stderr.write("\nInterrupted with Ctrl+C !\n") |
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193 | except SystemExit : |
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194 | pass |
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195 | except : |
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196 | try : |
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197 | cmd.crashed("pykosd failed") |
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198 | except : |
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199 | crashed("pykosd failed") |
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200 | |
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201 | try : |
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202 | cmd.storage.close() |
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203 | except : |
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204 | pass |
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205 | |
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206 | sys.exit(retcode) |
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