1 | # PyKota |
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2 | # -*- coding: ISO-8859-15 -*- |
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3 | # |
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4 | # PyKota : Print Quotas for CUPS and LPRng |
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5 | # |
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6 | # (c) 2003, 2004, 2005, 2006, 2007 Jerome Alet <alet@librelogiciel.com> |
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7 | # This program is free software; you can redistribute it and/or modify |
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8 | # it under the terms of the GNU General Public License as published by |
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9 | # the Free Software Foundation; either version 2 of the License, or |
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10 | # (at your option) any later version. |
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11 | # |
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12 | # This program is distributed in the hope that it will be useful, |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | # GNU General Public License for more details. |
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16 | # |
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17 | # You should have received a copy of the GNU General Public License |
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18 | # along with this program; if not, write to the Free Software |
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19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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20 | # |
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21 | # $Id$ |
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22 | # |
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23 | # |
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24 | |
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25 | """This module defines classes used to parse PyKota configuration files.""" |
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26 | |
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27 | import os |
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28 | import tempfile |
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29 | import ConfigParser |
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30 | |
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31 | class PyKotaConfigError(Exception): |
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32 | """An exception for PyKota config related stuff.""" |
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33 | def __init__(self, message = ""): |
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34 | self.message = message |
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35 | Exception.__init__(self, message) |
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36 | def __repr__(self): |
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37 | return self.message |
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38 | __str__ = __repr__ |
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39 | |
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40 | class PyKotaConfig : |
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41 | """A class to deal with PyKota's configuration.""" |
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42 | def __init__(self, directory) : |
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43 | """Reads and checks the configuration file.""" |
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44 | self.isAdmin = 0 |
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45 | self.directory = directory |
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46 | self.filename = os.path.join(directory, "pykota.conf") |
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47 | self.adminfilename = os.path.join(directory, "pykotadmin.conf") |
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48 | if not os.access(self.filename, os.R_OK) : |
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49 | raise PyKotaConfigError, _("Configuration file %s can't be read. Please check that the file exists and that your permissions are sufficient.") % self.filename |
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50 | if not os.path.isfile(self.adminfilename) : |
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51 | raise PyKotaConfigError, _("Configuration file %s not found.") % self.adminfilename |
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52 | if os.access(self.adminfilename, os.R_OK) : |
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53 | self.isAdmin = 1 |
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54 | self.config = ConfigParser.ConfigParser() |
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55 | self.config.read([self.filename]) |
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56 | |
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57 | def isTrue(self, option) : |
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58 | """Returns True if option is set to true, else False.""" |
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59 | if (option is not None) and (option.strip().upper() in ['Y', 'YES', '1', 'ON', 'T', 'TRUE']) : |
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60 | return True |
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61 | else : |
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62 | return False |
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63 | |
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64 | def isFalse(self, option) : |
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65 | """Returns True if option is set to false, else False.""" |
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66 | if (option is not None) and (option.strip().upper() in ['N', 'NO', '0', 'OFF', 'F', 'FALSE']) : |
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67 | return True |
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68 | else : |
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69 | return False |
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70 | |
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71 | def getPrinterNames(self) : |
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72 | """Returns the list of configured printers, i.e. all sections names minus 'global'.""" |
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73 | return [pname for pname in self.config.sections() if pname != "global"] |
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74 | |
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75 | def getGlobalOption(self, option, ignore=0) : |
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76 | """Returns an option from the global section, or raises a PyKotaConfigError if ignore is not set, else returns None.""" |
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77 | try : |
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78 | return self.config.get("global", option, raw=1) |
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79 | except (ConfigParser.NoSectionError, ConfigParser.NoOptionError) : |
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80 | if ignore : |
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81 | return None |
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82 | else : |
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83 | raise PyKotaConfigError, _("Option %s not found in section global of %s") % (option, self.filename) |
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84 | |
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85 | def getPrinterOption(self, printername, option) : |
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86 | """Returns an option from the printer section, or the global section, or raises a PyKotaConfigError.""" |
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87 | globaloption = self.getGlobalOption(option, ignore=1) |
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88 | try : |
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89 | return self.config.get(printername, option, raw=1) |
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90 | except (ConfigParser.NoSectionError, ConfigParser.NoOptionError) : |
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91 | if globaloption is not None : |
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92 | return globaloption |
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93 | else : |
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94 | raise PyKotaConfigError, _("Option %s not found in section %s of %s") % (option, printername, self.filename) |
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95 | |
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96 | def getStorageBackend(self) : |
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97 | """Returns the storage backend information as a Python mapping.""" |
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98 | backendinfo = {} |
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99 | backend = self.getGlobalOption("storagebackend").lower() |
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100 | backendinfo["storagebackend"] = backend |
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101 | if backend == "sqlitestorage" : |
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102 | issqlite = 1 |
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103 | backendinfo["storagename"] = self.getGlobalOption("storagename") |
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104 | for option in ["storageserver", "storageuser", "storageuserpw"] : |
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105 | backendinfo[option] = None |
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106 | else : |
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107 | issqlite = 0 |
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108 | for option in ["storageserver", "storagename", "storageuser"] : |
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109 | backendinfo[option] = self.getGlobalOption(option) |
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110 | backendinfo["storageuserpw"] = self.getGlobalOption("storageuserpw", ignore=1) # password is optional |
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111 | |
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112 | backendinfo["storageadmin"] = None |
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113 | backendinfo["storageadminpw"] = None |
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114 | if self.isAdmin : |
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115 | adminconf = ConfigParser.ConfigParser() |
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116 | adminconf.read([self.adminfilename]) |
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117 | if adminconf.sections() : # were we able to read the file ? |
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118 | try : |
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119 | backendinfo["storageadmin"] = adminconf.get("global", "storageadmin", raw=1) |
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120 | except (ConfigParser.NoSectionError, ConfigParser.NoOptionError) : |
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121 | if not issqlite : |
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122 | raise PyKotaConfigError, _("Option %s not found in section global of %s") % ("storageadmin", self.adminfilename) |
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123 | try : |
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124 | backendinfo["storageadminpw"] = adminconf.get("global", "storageadminpw", raw=1) |
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125 | except (ConfigParser.NoSectionError, ConfigParser.NoOptionError) : |
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126 | pass # Password is optional |
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127 | # Now try to overwrite the storagebackend, storageserver |
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128 | # and storagename. This allows admins to use the master LDAP |
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129 | # server directly and users to use the replicas transparently. |
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130 | try : |
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131 | backendinfo["storagebackend"] = adminconf.get("global", "storagebackend", raw=1) |
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132 | except ConfigParser.NoOptionError : |
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133 | pass |
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134 | try : |
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135 | backendinfo["storageserver"] = adminconf.get("global", "storageserver", raw=1) |
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136 | except ConfigParser.NoOptionError : |
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137 | pass |
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138 | try : |
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139 | backendinfo["storagename"] = adminconf.get("global", "storagename", raw=1) |
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140 | except ConfigParser.NoOptionError : |
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141 | pass |
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142 | return backendinfo |
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143 | |
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144 | def getLDAPInfo(self) : |
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145 | """Returns some hints for the LDAP backend.""" |
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146 | ldapinfo = {} |
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147 | for option in [ "userbase", "userrdn", \ |
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148 | "balancebase", "balancerdn", \ |
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149 | "groupbase", "grouprdn", "groupmembers", \ |
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150 | "printerbase", "printerrdn", \ |
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151 | "userquotabase", "groupquotabase", \ |
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152 | "jobbase", "lastjobbase", "billingcodebase", \ |
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153 | "newuser", "newgroup", \ |
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154 | "usermail", \ |
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155 | ] : |
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156 | ldapinfo[option] = self.getGlobalOption(option).strip() |
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157 | for field in ["newuser", "newgroup"] : |
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158 | if ldapinfo[field].lower().startswith('attach(') : |
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159 | ldapinfo[field] = ldapinfo[field][7:-1] |
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160 | |
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161 | # should we use TLS, by default (if unset) value is NO |
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162 | ldapinfo["ldaptls"] = self.isTrue(self.getGlobalOption("ldaptls", ignore=1)) |
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163 | ldapinfo["cacert"] = self.getGlobalOption("cacert", ignore=1) |
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164 | if ldapinfo["cacert"] : |
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165 | ldapinfo["cacert"] = ldapinfo["cacert"].strip() |
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166 | if ldapinfo["ldaptls"] : |
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167 | if not os.access(ldapinfo["cacert"] or "", os.R_OK) : |
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168 | raise PyKotaConfigError, _("Option ldaptls is set, but certificate %s is not readable.") % str(ldapinfo["cacert"]) |
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169 | return ldapinfo |
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170 | |
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171 | def getLoggingBackend(self) : |
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172 | """Returns the logging backend information.""" |
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173 | validloggers = [ "stderr", "system" ] |
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174 | try : |
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175 | logger = self.getGlobalOption("logger").lower() |
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176 | except PyKotaConfigError : |
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177 | logger = "system" |
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178 | if logger not in validloggers : |
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179 | raise PyKotaConfigError, _("Option logger only supports values in %s") % str(validloggers) |
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180 | return logger |
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181 | |
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182 | def getLogoURL(self) : |
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183 | """Returns the URL to use for the logo in the CGI scripts.""" |
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184 | url = self.getGlobalOption("logourl", ignore=1) or \ |
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185 | "http://www.pykota.com/pykota.png" |
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186 | return url.strip() |
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187 | |
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188 | def getLogoLink(self) : |
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189 | """Returns the URL to go to when the user clicks on the logo in the CGI scripts.""" |
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190 | url = self.getGlobalOption("logolink", ignore=1) or \ |
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191 | "http://www.pykota.com/" |
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192 | return url.strip() |
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193 | |
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194 | def getPreAccounterBackend(self, printername) : |
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195 | """Returns the preaccounter backend to use for a given printer.""" |
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196 | validaccounters = [ "software", "ink" ] |
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197 | try : |
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198 | fullaccounter = self.getPrinterOption(printername, "preaccounter").strip() |
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199 | except PyKotaConfigError : |
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200 | return ("software", "") |
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201 | else : |
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202 | flower = fullaccounter.lower() |
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203 | for vac in validaccounters : |
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204 | if flower.startswith(vac) : |
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205 | try : |
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206 | (accounter, args) = [x.strip() for x in fullaccounter.split('(', 1)] |
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207 | except ValueError : |
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208 | raise PyKotaConfigError, _("Invalid preaccounter %s for printer %s") % (fullaccounter, printername) |
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209 | if args.endswith(')') : |
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210 | args = args[:-1].strip() |
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211 | if (vac == "ink") and not args : |
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212 | raise PyKotaConfigError, _("Invalid preaccounter %s for printer %s") % (fullaccounter, printername) |
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213 | return (vac, args) |
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214 | raise PyKotaConfigError, _("Option preaccounter in section %s only supports values in %s") % (printername, str(validaccounters)) |
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215 | |
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216 | def getAccounterBackend(self, printername) : |
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217 | """Returns the accounter backend to use for a given printer.""" |
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218 | validaccounters = [ "hardware", "software", "ink" ] |
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219 | try : |
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220 | fullaccounter = self.getPrinterOption(printername, "accounter").strip() |
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221 | except PyKotaConfigError : |
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222 | return ("software", "") |
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223 | else : |
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224 | flower = fullaccounter.lower() |
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225 | for vac in validaccounters : |
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226 | if flower.startswith(vac) : |
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227 | try : |
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228 | (accounter, args) = [x.strip() for x in fullaccounter.split('(', 1)] |
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229 | except ValueError : |
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230 | raise PyKotaConfigError, _("Invalid accounter %s for printer %s") % (fullaccounter, printername) |
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231 | if args.endswith(')') : |
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232 | args = args[:-1].strip() |
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233 | if (vac in ("hardware", "ink")) and not args : |
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234 | raise PyKotaConfigError, _("Invalid accounter %s for printer %s") % (fullaccounter, printername) |
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235 | return (vac, args) |
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236 | raise PyKotaConfigError, _("Option accounter in section %s only supports values in %s") % (printername, str(validaccounters)) |
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237 | |
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238 | def getPreHook(self, printername) : |
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239 | """Returns the prehook command line to launch, or None if unset.""" |
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240 | try : |
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241 | return self.getPrinterOption(printername, "prehook").strip() |
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242 | except PyKotaConfigError : |
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243 | return # No command to launch in the pre-hook |
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244 | |
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245 | def getPostHook(self, printername) : |
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246 | """Returns the posthook command line to launch, or None if unset.""" |
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247 | try : |
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248 | return self.getPrinterOption(printername, "posthook").strip() |
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249 | except PyKotaConfigError : |
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250 | return # No command to launch in the post-hook |
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251 | |
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252 | def getStripTitle(self, printername) : |
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253 | """Returns the striptitle directive's content, or None if unset.""" |
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254 | try : |
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255 | return self.getPrinterOption(printername, "striptitle").strip() |
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256 | except PyKotaConfigError : |
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257 | return # No prefix to strip off |
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258 | |
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259 | def getAskConfirmation(self, printername) : |
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260 | """Returns the askconfirmation directive's content, or None if unset.""" |
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261 | try : |
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262 | return self.getPrinterOption(printername, "askconfirmation").strip() |
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263 | except PyKotaConfigError : |
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264 | return # No overwriting will be done |
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265 | |
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266 | def getOverwriteJobTicket(self, printername) : |
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267 | """Returns the overwrite_jobticket directive's content, or None if unset.""" |
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268 | try : |
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269 | return self.getPrinterOption(printername, "overwrite_jobticket").strip() |
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270 | except PyKotaConfigError : |
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271 | return # No overwriting will be done |
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272 | |
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273 | def getUnknownBillingCode(self, printername) : |
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274 | """Returns the unknown_billingcode directive's content, or the default value if unset.""" |
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275 | validvalues = [ "CREATE", "DENY" ] |
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276 | try : |
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277 | fullvalue = self.getPrinterOption(printername, "unknown_billingcode") |
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278 | except PyKotaConfigError : |
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279 | return ("CREATE", None) |
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280 | else : |
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281 | try : |
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282 | value = [x.strip() for x in fullvalue.split('(', 1)] |
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283 | except ValueError : |
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284 | raise PyKotaConfigError, _("Invalid unknown_billingcode directive %s for printer %s") % (fullvalue, printername) |
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285 | if len(value) == 1 : |
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286 | value.append("") |
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287 | (value, args) = value |
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288 | if args.endswith(')') : |
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289 | args = args[:-1] |
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290 | value = value.upper() |
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291 | if (value == "DENY") and not args : |
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292 | return ("DENY", None) |
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293 | if value not in validvalues : |
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294 | raise PyKotaConfigError, _("Directive unknown_billingcode in section %s only supports values in %s") % (printername, str(validvalues)) |
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295 | return (value, args) |
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296 | |
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297 | def getPrinterEnforcement(self, printername) : |
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298 | """Returns if quota enforcement should be strict or laxist for the current printer.""" |
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299 | validenforcements = [ "STRICT", "LAXIST" ] |
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300 | try : |
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301 | enforcement = self.getPrinterOption(printername, "enforcement") |
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302 | except PyKotaConfigError : |
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303 | return "LAXIST" |
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304 | else : |
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305 | enforcement = enforcement.upper() |
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306 | if enforcement not in validenforcements : |
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307 | raise PyKotaConfigError, _("Option enforcement in section %s only supports values in %s") % (printername, str(validenforcements)) |
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308 | return enforcement |
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309 | |
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310 | def getPrinterOnBackendError(self, printername) : |
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311 | """Returns what must be done whenever the real CUPS backend fails.""" |
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312 | validactions = [ "CHARGE", "NOCHARGE" ] |
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313 | try : |
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314 | action = self.getPrinterOption(printername, "onbackenderror") |
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315 | except PyKotaConfigError : |
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316 | return ["NOCHARGE"] |
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317 | else : |
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318 | action = action.upper().split(",") |
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319 | error = False |
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320 | for act in action : |
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321 | if act not in validactions : |
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322 | if act.startswith("RETRY:") : |
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323 | try : |
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324 | (num, delay) = [int(p) for p in act[6:].split(":", 2)] |
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325 | except ValueError : |
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326 | error = True |
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327 | else : |
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328 | error = True |
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329 | if error : |
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330 | raise PyKotaConfigError, _("Option onbackenderror in section %s only supports values 'charge', 'nocharge', and 'retry:num:delay'") % printername |
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331 | return action |
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332 | |
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333 | def getPrinterOnAccounterError(self, printername) : |
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334 | """Returns what must be done whenever the accounter fails.""" |
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335 | validactions = [ "CONTINUE", "STOP" ] |
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336 | try : |
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337 | action = self.getPrinterOption(printername, "onaccountererror") |
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338 | except PyKotaConfigError : |
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339 | return "STOP" |
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340 | else : |
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341 | action = action.upper() |
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342 | if action not in validactions : |
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343 | raise PyKotaConfigError, _("Option onaccountererror in section %s only supports values in %s") % (printername, str(validactions)) |
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344 | return action |
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345 | |
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346 | def getPrinterPolicy(self, printername) : |
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347 | """Returns the default policy for the current printer.""" |
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348 | validpolicies = [ "ALLOW", "DENY", "EXTERNAL" ] |
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349 | try : |
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350 | fullpolicy = self.getPrinterOption(printername, "policy") |
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351 | except PyKotaConfigError : |
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352 | return ("DENY", None) |
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353 | else : |
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354 | try : |
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355 | policy = [x.strip() for x in fullpolicy.split('(', 1)] |
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356 | except ValueError : |
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357 | raise PyKotaConfigError, _("Invalid policy %s for printer %s") % (fullpolicy, printername) |
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358 | if len(policy) == 1 : |
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359 | policy.append("") |
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360 | (policy, args) = policy |
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361 | if args.endswith(')') : |
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362 | args = args[:-1] |
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363 | policy = policy.upper() |
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364 | if (policy == "EXTERNAL") and not args : |
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365 | raise PyKotaConfigError, _("Invalid policy %s for printer %s") % (fullpolicy, printername) |
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366 | if policy not in validpolicies : |
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367 | raise PyKotaConfigError, _("Option policy in section %s only supports values in %s") % (printername, str(validpolicies)) |
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368 | return (policy, args) |
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369 | |
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370 | def getCrashRecipient(self) : |
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371 | """Returns the email address of the software crash messages recipient.""" |
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372 | try : |
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373 | return self.getGlobalOption("crashrecipient") |
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374 | except : |
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375 | return |
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376 | |
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377 | def getSMTPServer(self) : |
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378 | """Returns the SMTP server to use to send messages to users.""" |
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379 | try : |
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380 | return self.getGlobalOption("smtpserver") |
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381 | except PyKotaConfigError : |
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382 | return "localhost" |
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383 | |
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384 | def getMailDomain(self) : |
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385 | """Returns the mail domain to use to send messages to users.""" |
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386 | try : |
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387 | return self.getGlobalOption("maildomain") |
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388 | except PyKotaConfigError : |
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389 | return |
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390 | |
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391 | def getAdminMail(self, printername) : |
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392 | """Returns the Email address of the Print Quota Administrator.""" |
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393 | try : |
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394 | return self.getPrinterOption(printername, "adminmail") |
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395 | except PyKotaConfigError : |
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396 | return "root@localhost" |
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397 | |
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398 | def getAdmin(self, printername) : |
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399 | """Returns the full name of the Print Quota Administrator.""" |
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400 | try : |
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401 | return self.getPrinterOption(printername, "admin") |
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402 | except PyKotaConfigError : |
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403 | return "root" |
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404 | |
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405 | def getMailTo(self, printername) : |
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406 | """Returns the recipient of email messages.""" |
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407 | validmailtos = [ "EXTERNAL", "NOBODY", "NONE", "NOONE", "BITBUCKET", "DEVNULL", "BOTH", "USER", "ADMIN" ] |
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408 | try : |
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409 | fullmailto = self.getPrinterOption(printername, "mailto") |
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410 | except PyKotaConfigError : |
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411 | return ("BOTH", None) |
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412 | else : |
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413 | try : |
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414 | mailto = [x.strip() for x in fullmailto.split('(', 1)] |
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415 | except ValueError : |
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416 | raise PyKotaConfigError, _("Invalid option mailto %s for printer %s") % (fullmailto, printername) |
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417 | if len(mailto) == 1 : |
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418 | mailto.append("") |
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419 | (mailto, args) = mailto |
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420 | if args.endswith(')') : |
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421 | args = args[:-1] |
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422 | mailto = mailto.upper() |
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423 | if (mailto == "EXTERNAL") and not args : |
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424 | raise PyKotaConfigError, _("Invalid option mailto %s for printer %s") % (fullmailto, printername) |
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425 | if mailto not in validmailtos : |
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426 | raise PyKotaConfigError, _("Option mailto in section %s only supports values in %s") % (printername, str(validmailtos)) |
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427 | return (mailto, args) |
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428 | |
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429 | def getMaxDenyBanners(self, printername) : |
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430 | """Returns the maximum number of deny banners to be printed for a particular user on a particular printer.""" |
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431 | try : |
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432 | maxdb = self.getPrinterOption(printername, "maxdenybanners") |
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433 | except PyKotaConfigError : |
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434 | return 0 # default value is to forbid printing a deny banner. |
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435 | try : |
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436 | value = int(maxdb.strip()) |
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437 | if value < 0 : |
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438 | raise ValueError |
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439 | except (TypeError, ValueError) : |
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440 | raise PyKotaConfigError, _("Invalid maximal deny banners counter %s") % maxdb |
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441 | else : |
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442 | return value |
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443 | |
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444 | def getPrintCancelledBanners(self, printername) : |
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445 | """Returns True if a banner should be printed when a job is cancelled, else False.""" |
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446 | try : |
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447 | return self.isTrue(self.getPrinterOption(printername, "printcancelledbanners")) |
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448 | except PyKotaConfigError : |
---|
449 | return True |
---|
450 | |
---|
451 | def getGraceDelay(self, printername) : |
---|
452 | """Returns the grace delay in days.""" |
---|
453 | try : |
---|
454 | gd = self.getPrinterOption(printername, "gracedelay") |
---|
455 | except PyKotaConfigError : |
---|
456 | gd = 7 # default value of 7 days |
---|
457 | try : |
---|
458 | return int(gd) |
---|
459 | except (TypeError, ValueError) : |
---|
460 | raise PyKotaConfigError, _("Invalid grace delay %s") % gd |
---|
461 | |
---|
462 | def getPoorMan(self) : |
---|
463 | """Returns the poor man's threshold.""" |
---|
464 | try : |
---|
465 | pm = self.getGlobalOption("poorman") |
---|
466 | except PyKotaConfigError : |
---|
467 | pm = 1.0 # default value of 1 unit |
---|
468 | try : |
---|
469 | return float(pm) |
---|
470 | except (TypeError, ValueError) : |
---|
471 | raise PyKotaConfigError, _("Invalid poor man's threshold %s") % pm |
---|
472 | |
---|
473 | def getBalanceZero(self) : |
---|
474 | """Returns the value of the zero for balance limitation.""" |
---|
475 | try : |
---|
476 | bz = self.getGlobalOption("balancezero") |
---|
477 | except PyKotaConfigError : |
---|
478 | bz = 0.0 # default value, zero is 0.0 |
---|
479 | try : |
---|
480 | return float(bz) |
---|
481 | except (TypeError, ValueError) : |
---|
482 | raise PyKotaConfigError, _("Invalid balancezero value %s") % bz |
---|
483 | |
---|
484 | def getPoorWarn(self) : |
---|
485 | """Returns the poor man's warning message.""" |
---|
486 | try : |
---|
487 | return self.getGlobalOption("poorwarn") |
---|
488 | except PyKotaConfigError : |
---|
489 | return _("Your Print Quota account balance is Low.\nSoon you'll not be allowed to print anymore.\nPlease contact the Print Quota Administrator to solve the problem.") |
---|
490 | |
---|
491 | def getHardWarn(self, printername) : |
---|
492 | """Returns the hard limit error message.""" |
---|
493 | try : |
---|
494 | return self.getPrinterOption(printername, "hardwarn") |
---|
495 | except PyKotaConfigError : |
---|
496 | return _("You are not allowed to print anymore because\nyour Print Quota is exceeded on printer %s.") % printername |
---|
497 | |
---|
498 | def getSoftWarn(self, printername) : |
---|
499 | """Returns the soft limit error message.""" |
---|
500 | try : |
---|
501 | return self.getPrinterOption(printername, "softwarn") |
---|
502 | except PyKotaConfigError : |
---|
503 | return _("You will soon be forbidden to print anymore because\nyour Print Quota is almost reached on printer %s.") % printername |
---|
504 | |
---|
505 | def getPrivacy(self) : |
---|
506 | """Returns True if privacy is activated, else False.""" |
---|
507 | return self.isTrue(self.getGlobalOption("privacy", ignore=1)) |
---|
508 | |
---|
509 | def getDebug(self) : |
---|
510 | """Returns True if debugging is activated, else False.""" |
---|
511 | return self.isTrue(self.getGlobalOption("debug", ignore=1)) |
---|
512 | |
---|
513 | def getCaching(self) : |
---|
514 | """Returns True if database caching is enabled, else False.""" |
---|
515 | return self.isTrue(self.getGlobalOption("storagecaching", ignore=1)) |
---|
516 | |
---|
517 | def getLDAPCache(self) : |
---|
518 | """Returns True if low-level LDAP caching is enabled, else False.""" |
---|
519 | return self.isTrue(self.getGlobalOption("ldapcache", ignore=1)) |
---|
520 | |
---|
521 | def getDisableHistory(self) : |
---|
522 | """Returns True if we want to disable history, else False.""" |
---|
523 | return self.isTrue(self.getGlobalOption("disablehistory", ignore=1)) |
---|
524 | |
---|
525 | def getUserNameToLower(self) : |
---|
526 | """Deprecated.""" |
---|
527 | return self.getGlobalOption("utolower", ignore=1) |
---|
528 | |
---|
529 | def getUserNameCase(self) : |
---|
530 | """Returns value for user name case: upper, lower or native""" |
---|
531 | validvalues = [ "upper", "lower", "native" ] |
---|
532 | try : |
---|
533 | value = self.getGlobalOption("usernamecase", ignore=1).strip().lower() |
---|
534 | except AttributeError : |
---|
535 | value = "native" |
---|
536 | if value not in validvalues : |
---|
537 | raise PyKotaConfigError, _("Option usernamecase only supports values in %s") % str(validvalues) |
---|
538 | return value |
---|
539 | |
---|
540 | def getRejectUnknown(self) : |
---|
541 | """Returns True if we want to reject the creation of unknown users or groups, else False.""" |
---|
542 | return self.isTrue(self.getGlobalOption("reject_unknown", ignore=1)) |
---|
543 | |
---|
544 | def getPrinterKeepFiles(self, printername) : |
---|
545 | """Returns True if files must be kept on disk, else False.""" |
---|
546 | try : |
---|
547 | return self.isTrue(self.getPrinterOption(printername, "keepfiles")) |
---|
548 | except PyKotaConfigError : |
---|
549 | return False |
---|
550 | |
---|
551 | def getPrinterDirectory(self, printername) : |
---|
552 | """Returns the path to our working directory, else a directory suitable for temporary files.""" |
---|
553 | try : |
---|
554 | return self.getPrinterOption(printername, "directory").strip() |
---|
555 | except PyKotaConfigError : |
---|
556 | return tempfile.gettempdir() |
---|
557 | |
---|
558 | def getDenyDuplicates(self, printername) : |
---|
559 | """Returns True or a command if we want to deny duplicate jobs, else False.""" |
---|
560 | try : |
---|
561 | denyduplicates = self.getPrinterOption(printername, "denyduplicates") |
---|
562 | except PyKotaConfigError : |
---|
563 | return False |
---|
564 | else : |
---|
565 | if self.isTrue(denyduplicates) : |
---|
566 | return True |
---|
567 | elif self.isFalse(denyduplicates) : |
---|
568 | return False |
---|
569 | else : |
---|
570 | # it's a command to run. |
---|
571 | return denyduplicates |
---|
572 | |
---|
573 | def getDuplicatesDelay(self, printername) : |
---|
574 | """Returns the number of seconds after which two identical jobs are not considered a duplicate anymore.""" |
---|
575 | try : |
---|
576 | duplicatesdelay = self.getPrinterOption(printername, "duplicatesdelay") |
---|
577 | except PyKotaConfigError : |
---|
578 | return 0 |
---|
579 | else : |
---|
580 | try : |
---|
581 | return int(duplicatesdelay) |
---|
582 | except (TypeError, ValueError) : |
---|
583 | raise PyKotaConfigError, _("Incorrect value %s for the duplicatesdelay directive in section %s") % (str(duplicatesdelay), printername) |
---|
584 | |
---|
585 | def getNoPrintingMaxDelay(self, printername) : |
---|
586 | """Returns the max number of seconds to wait for the printer to be in 'printing' mode.""" |
---|
587 | try : |
---|
588 | maxdelay = self.getPrinterOption(printername, "noprintingmaxdelay") |
---|
589 | except PyKotaConfigError : |
---|
590 | return None # tells to use hardcoded value |
---|
591 | else : |
---|
592 | try : |
---|
593 | maxdelay = int(maxdelay) |
---|
594 | if maxdelay < 0 : |
---|
595 | raise ValueError |
---|
596 | except (TypeError, ValueError) : |
---|
597 | raise PyKotaConfigError, _("Incorrect value %s for the noprintingmaxdelay directive in section %s") % (str(maxdelay), printername) |
---|
598 | else : |
---|
599 | return maxdelay |
---|
600 | |
---|
601 | def getStatusStabilizationLoops(self, printername) : |
---|
602 | """Returns the number of times the printer must return the 'idle' status to consider it stable.""" |
---|
603 | try : |
---|
604 | stab = self.getPrinterOption(printername, "statusstabilizationloops") |
---|
605 | except PyKotaConfigError : |
---|
606 | return None # tells to use hardcoded value |
---|
607 | else : |
---|
608 | try : |
---|
609 | stab = int(stab) |
---|
610 | if stab < 1 : |
---|
611 | raise ValueError |
---|
612 | except (TypeError, ValueError) : |
---|
613 | raise PyKotaConfigError, _("Incorrect value %s for the statusstabilizationloops directive in section %s") % (str(stab), printername) |
---|
614 | else : |
---|
615 | return stab |
---|
616 | |
---|
617 | def getStatusStabilizationDelay(self, printername) : |
---|
618 | """Returns the number of seconds to wait between two checks of the printer's status.""" |
---|
619 | try : |
---|
620 | stab = self.getPrinterOption(printername, "statusstabilizationdelay") |
---|
621 | except PyKotaConfigError : |
---|
622 | return None # tells to use hardcoded value |
---|
623 | else : |
---|
624 | try : |
---|
625 | stab = float(stab) |
---|
626 | if stab < 0.25 : |
---|
627 | raise ValueError |
---|
628 | except (TypeError, ValueError) : |
---|
629 | raise PyKotaConfigError, _("Incorrect value %s for the statusstabilizationdelay directive in section %s") % (str(stab), printername) |
---|
630 | else : |
---|
631 | return stab |
---|
632 | |
---|
633 | def getPrinterSNMPErrorMask(self, printername) : |
---|
634 | """Returns the SNMP error mask for a particular printer, or None if not defined.""" |
---|
635 | try : |
---|
636 | errmask = self.getPrinterOption(printername, "snmperrormask").lower() |
---|
637 | except PyKotaConfigError : |
---|
638 | return None # tells to use hardcoded value |
---|
639 | else : |
---|
640 | try : |
---|
641 | if errmask.startswith("0x") : |
---|
642 | value = int(errmask, 16) |
---|
643 | elif errmask.startswith("0") : |
---|
644 | value = int(errmask, 8) |
---|
645 | else : |
---|
646 | value = int(errmask) |
---|
647 | if 0 <= value < 65536 : |
---|
648 | return value |
---|
649 | else : |
---|
650 | raise ValueError |
---|
651 | except ValueError : |
---|
652 | raise PyKotaConfigError, _("Incorrect value %s for the snmperrormask directive in section %s") % (errmask, printername) |
---|
653 | |
---|
654 | def getWinbindSeparator(self) : |
---|
655 | """Returns the winbind separator's value if it is set, else None.""" |
---|
656 | return self.getGlobalOption("winbind_separator", ignore=1) |
---|
657 | |
---|
658 | def getAccountBanner(self, printername) : |
---|
659 | """Returns which banner(s) to account for: NONE, BOTH, STARTING, ENDING.""" |
---|
660 | validvalues = [ "NONE", "BOTH", "STARTING", "ENDING" ] |
---|
661 | try : |
---|
662 | value = self.getPrinterOption(printername, "accountbanner") |
---|
663 | except PyKotaConfigError : |
---|
664 | return "BOTH" # Default value of BOTH |
---|
665 | else : |
---|
666 | value = value.strip().upper() |
---|
667 | if value not in validvalues : |
---|
668 | raise PyKotaConfigError, _("Option accountbanner in section %s only supports values in %s") % (printername, str(validvalues)) |
---|
669 | return value |
---|
670 | |
---|
671 | def getAvoidDuplicateBanners(self, printername) : |
---|
672 | """Returns normalized value for avoiding extra banners. """ |
---|
673 | try : |
---|
674 | avoidduplicatebanners = self.getPrinterOption(printername, "avoidduplicatebanners").upper() |
---|
675 | except PyKotaConfigError : |
---|
676 | return "NO" |
---|
677 | else : |
---|
678 | try : |
---|
679 | value = int(avoidduplicatebanners) |
---|
680 | if value < 0 : |
---|
681 | raise ValueError |
---|
682 | except ValueError : |
---|
683 | if avoidduplicatebanners not in ["YES", "NO"] : |
---|
684 | raise PyKotaConfigError, _("Option avoidduplicatebanners only accepts 'yes', 'no', or a positive integer.") |
---|
685 | else : |
---|
686 | value = avoidduplicatebanners |
---|
687 | return value |
---|
688 | |
---|
689 | def getStartingBanner(self, printername) : |
---|
690 | """Returns the startingbanner value if set, else None.""" |
---|
691 | try : |
---|
692 | return self.getPrinterOption(printername, "startingbanner").strip() |
---|
693 | except PyKotaConfigError : |
---|
694 | return None |
---|
695 | |
---|
696 | def getEndingBanner(self, printername) : |
---|
697 | """Returns the endingbanner value if set, else None.""" |
---|
698 | try : |
---|
699 | return self.getPrinterOption(printername, "endingbanner").strip() |
---|
700 | except PyKotaConfigError : |
---|
701 | return None |
---|
702 | |
---|
703 | def getTrustJobSize(self, printername) : |
---|
704 | """Returns the normalized value of the trustjobsize's directive.""" |
---|
705 | try : |
---|
706 | value = self.getPrinterOption(printername, "trustjobsize").strip().upper() |
---|
707 | except PyKotaConfigError : |
---|
708 | return (None, "YES") |
---|
709 | else : |
---|
710 | if value == "YES" : |
---|
711 | return (None, "YES") |
---|
712 | try : |
---|
713 | (limit, replacement) = [p.strip() for p in value.split(">")[1].split(":")] |
---|
714 | limit = int(limit) |
---|
715 | try : |
---|
716 | replacement = int(replacement) |
---|
717 | except ValueError : |
---|
718 | if replacement != "PRECOMPUTED" : |
---|
719 | raise |
---|
720 | if limit < 0 : |
---|
721 | raise ValueError |
---|
722 | if (replacement != "PRECOMPUTED") and (replacement < 0) : |
---|
723 | raise ValueError |
---|
724 | except (IndexError, ValueError, TypeError) : |
---|
725 | raise PyKotaConfigError, _("Option trustjobsize for printer %s is incorrect") % printername |
---|
726 | return (limit, replacement) |
---|
727 | |
---|
728 | def getPrinterCoefficients(self, printername) : |
---|
729 | """Returns a mapping of coefficients for a particular printer.""" |
---|
730 | branchbasename = "coefficient_" |
---|
731 | try : |
---|
732 | globalbranches = [ (k, self.config.get("global", k)) for k in self.config.options("global") if k.startswith(branchbasename) ] |
---|
733 | except ConfigParser.NoSectionError, msg : |
---|
734 | raise PyKotaConfigError, "Invalid configuration file : %s" % msg |
---|
735 | try : |
---|
736 | sectionbranches = [ (k, self.config.get(printername, k)) for k in self.config.options(printername) if k.startswith(branchbasename) ] |
---|
737 | except ConfigParser.NoSectionError, msg : |
---|
738 | sectionbranches = [] |
---|
739 | branches = {} |
---|
740 | for (k, v) in globalbranches : |
---|
741 | k = k.split('_', 1)[1] |
---|
742 | value = v.strip() |
---|
743 | if value : |
---|
744 | try : |
---|
745 | branches[k] = float(value) |
---|
746 | except ValueError : |
---|
747 | raise PyKotaConfigError, "Invalid coefficient %s (%s) for printer %s" % (k, value, printername) |
---|
748 | |
---|
749 | for (k, v) in sectionbranches : |
---|
750 | k = k.split('_', 1)[1] |
---|
751 | value = v.strip() |
---|
752 | if value : |
---|
753 | try : |
---|
754 | branches[k] = float(value) # overwrite any global option or set a new value |
---|
755 | except ValueError : |
---|
756 | raise PyKotaConfigError, "Invalid coefficient %s (%s) for printer %s" % (k, value, printername) |
---|
757 | else : |
---|
758 | del branches[k] # empty value disables a global option |
---|
759 | return branches |
---|
760 | |
---|
761 | def getPrinterSkipInitialWait(self, printername) : |
---|
762 | """Returns True if we want to skip the initial waiting loop, else False.""" |
---|
763 | try : |
---|
764 | return self.isTrue(self.getPrinterOption(printername, "skipinitialwait")) |
---|
765 | except PyKotaConfigError : |
---|
766 | return False |
---|