annotate plugins/cherrypy/_cpdefaults.py @ 87:eb1b275699c4 alpha

Traipse Alpha 'OpenRPG' {090917-01} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc''s main goal is to offer more advanced features and enhance the productivity of the user. Update Summary: 00: Adds menu changes to draw attention to important updates, errors, or other events. (image info coming soon) Traipse URL is not included in the repos tab and is set as default. 01: Fixes Copy for Windows and Linux (finally!!) users. Fixes incomplete update to Grid and List nodes. Fixes incomplete update to Chat Commands.
author sirebral
date Thu, 17 Sep 2009 03:23:03 -0500
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0
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1 """
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2 Copyright (c) 2004, CherryPy Team (team@cherrypy.org)
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3 All rights reserved.
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4
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5 Redistribution and use in source and binary forms, with or without modification,
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6 are permitted provided that the following conditions are met:
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7
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8 * Redistributions of source code must retain the above copyright notice,
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9 this list of conditions and the following disclaimer.
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10 * Redistributions in binary form must reproduce the above copyright notice,
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11 this list of conditions and the following disclaimer in the documentation
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12 and/or other materials provided with the distribution.
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13 * Neither the name of the CherryPy Team nor the names of its contributors
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14 may be used to endorse or promote products derived from this software
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15 without specific prior written permission.
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16
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17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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18 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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20 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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21 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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23 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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24 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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25 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 """
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28
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29
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30 """
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31 A module containing a few utility classes/functions used by CherryPy
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32 """
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33
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34 import time, thread, os, cpg
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35 import cPickle as pickle
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36
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37 def _cpLogMessage(msg, context = '', severity = 0):
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38 """ Default method for logging messages """
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39
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40 nowTuple = time.localtime(time.time())
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41 nowStr = '%04d/%02d/%02d %02d:%02d:%02d' % (nowTuple[:6])
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42 if severity == 0:
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43 level = "INFO"
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44 elif severity == 1:
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45 level = "WARNING"
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46 elif severity == 2:
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47 level = "ERROR"
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48 else:
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49 lebel = "UNKNOWN"
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50 try:
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51 logToScreen = int(cpg.configOption.logToScreen)
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52 except:
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53 logToScreen = True
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54 s = nowStr + ' ' + context + ' ' + level + ' ' + msg
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55 if logToScreen:
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56 print s
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57 if cpg.configOption.logFile:
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58 f = open(cpg.configOption.logFile, 'ab')
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59 f.write(s + '\n')
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60 f.close()
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61
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62 def _cpOnError():
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63 """ Default _cpOnError method """
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64
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65 import traceback, StringIO
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66 bodyFile = StringIO.StringIO()
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67 traceback.print_exc(file = bodyFile)
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68 cpg.response.body = [bodyFile.getvalue()]
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69 cpg.response.headerMap['Content-Type'] = 'text/plain'
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70
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71 def _cpSaveSessionData(sessionId, sessionData, expirationTime,
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72 threadPool = None, sessionStorageType = None,
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73 sessionStorageFileDir = None):
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74 """ Save session data if needed """
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75
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76 if threadPool is None:
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77 threadPool = cpg.configOption.threadPool
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78 if sessionStorageType is None:
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79 sessionStorageType = cpg.configOption.sessionStorageType
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80 if sessionStorageFileDir is None:
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81 sessionStorageFileDir = cpg.configOption.sessionStorageFileDir
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82
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83 t = time.localtime(expirationTime)
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84 if sessionStorageType == 'file':
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85 fname=os.path.join(sessionStorageFileDir,sessionId)
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86 if threadPool > 1:
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87 cpg._sessionFileLock.acquire()
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88 f = open(fname,"wb")
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89 pickle.dump((sessionData, expirationTime), f)
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90 f.close()
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91 if threadPool > 1:
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92 cpg._sessionFileLock.release()
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93
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94 elif sessionStorageType=="ram":
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95 # Update expiration time
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96 cpg._sessionMap[sessionId] = (sessionData, expirationTime)
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97
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98 """ TODO: implement cookie storage type
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99 elif sessionStorageType == "cookie":
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100
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101 TODO: set siteKey in _cpConfig
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102 # Get site key from config file or compute it
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103 try: cpg._SITE_KEY_ = configFile.get('server','siteKey')
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104 except:
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105 _SITE_KEY_ = ''
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106 for i in range(30):
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107 _SITE_KEY_ += random.choice(string.letters)
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108
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109 # Update expiration time
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110 sessionData = (sessionData, expirationTime)
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111 dumpStr = pickle.dumps(_sessionData)
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112 try: dumpStr = zlib.compress(dumpStr)
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113 except: pass # zlib is not available in all python distros
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114 dumpStr = binascii.hexlify(dumpStr) # Need to hexlify it because it will be stored in a cookie
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115 cpg.response.simpleCookie['CSession'] = dumpStr
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116 cpg.response.simpleCookie['CSession-sig'] = md5.md5(dumpStr + cpg.configOption.siteKey).hexdigest()
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117 cpg.response.simpleCookie['CSession']['path'] = '/'
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118 cpg.response.simpleCookie['CSession']['max-age'] = sessionTimeout * 60
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119 cpg.response.simpleCookie['CSession-sig']['path'] = '/'
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120 cpg.response.simpleCookie['CSession-sig']['max-age'] = sessionTimeout * 60
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121 """
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122
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123 def _cpLoadSessionData(sessionId, threadPool = None, sessionStorageType = None,
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124 sessionStorageFileDir = None):
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125 """ Return the session data for a given sessionId.
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126 The _expirationTime will be checked by the caller of this function
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127 """
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128
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129 if threadPool is None:
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130 threadPool = cpg.configOption.threadPool
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131 if sessionStorageType is None:
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132 sessionStorageType = cpg.configOption.sessionStorageType
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133 if sessionStorageFileDir is None:
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134 sessionStorageFileDir = cpg.configOption.sessionStorageFileDir
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135
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136 if sessionStorageType == "ram":
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137 if cpg._sessionMap.has_key(sessionId):
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138 return cpg._sessionMap[sessionId]
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139 else: return None
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140
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141 elif sessionStorageType == "file":
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142 fname = os.path.join(sessionStorageFileDir, sessionId)
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143 if os.path.exists(fname):
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144 if threadPool > 1:
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145 cpg._sessionFileLock.acquire()
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146 f = open(fname, "rb")
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147 sessionData = pickle.load(f)
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148 f.close()
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149 if threadPool > 1:
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150 cpg._sessionFileLock.release()
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151 return sessionData
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152 else: return None
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153
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154 """ TODO: implement cookie storage type
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155 elif _sessionStorageType == "cookie":
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156 if request.simpleCookie.has_key('CSession') and request.simpleCookie.has_key('CSession-sig'):
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157 data = request.simpleCookie['CSession'].value
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158 sig = request.simpleCookie['CSession-sig'].value
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159 if md5.md5(data + cpg.configOption.siteKey).hexdigest() == sig:
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160 try:
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161 dumpStr = binascii.unhexlify(data)
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162 try: dumpStr = zlib.decompress(dumpStr)
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163 except: pass # zlib is not available in all python distros
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164 dumpStr = pickle.loads(dumpStr)
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165 return dumpStr
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166 except: pass
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167 return None
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168 """
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169
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170 def _cpCleanUpOldSessions(threadPool = None, sessionStorageType = None,
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171 sessionStorageFileDir = None):
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172 """ Clean up old sessions """
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173
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174 if threadPool is None:
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175 threadPool = cpg.configOption.threadPool
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176 if sessionStorageType is None:
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177 sessionStorageType = cpg.configOption.sessionStorageType
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178 if sessionStorageFileDir is None:
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179 sessionStorageFileDir = cpg.configOption.sessionStorageFileDir
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180
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181 # Clean up old session data
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182 now = time.time()
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183 if sessionStorageType == "ram":
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184 sessionIdToDeleteList = []
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185 for sessionId, (dummy, expirationTime) in cpg._sessionMap.items():
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186 if expirationTime < now:
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187 sessionIdToDeleteList.append(sessionId)
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188 for sessionId in sessionIdToDeleteList:
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189 del cpg._sessionMap[sessionId]
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190
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191 elif sessionStorageType=="file":
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192 # This process is very expensive because we go through all files, parse them and then delete them if the session is expired
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193 # One optimization would be to just store a list of (sessionId, expirationTime) in *one* file
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194 sessionFileList = os.listdir(sessionStorageFileDir)
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195 for sessionId in sessionFileList:
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196 try:
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197 dummy, expirationTime = _cpLoadSessionData(sessionId)
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198 if expirationTime < now:
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199 os.remove(os.path.join(sessionStorageFileDir, sessionId))
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200 except:
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201 pass
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202
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203 elif sessionStorageType == "cookie":
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204 # Nothing to do in this case: the session data is stored on the client
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205 pass
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206
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207 _cpFilterList = []