Globals/__init__.py

Sun, 03 Nov 2013 15:58:22 +0100

author
T.Rzepka <Tobias.Rzepka@gmail.com>
date
Sun, 03 Nov 2013 15:58:22 +0100
branch
Py2 comp.
changeset 3060
5883ce99ee12
parent 3057
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parent 3034
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child 3145
a9de05d4a22f
permissions
-rw-r--r--

Merge with default branch after fixed indentation issues and lates changes.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2006 - 2013 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module defining common data to be used by all modules.
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8 """
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9
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10 from __future__ import unicode_literals # __IGNORE_WARNING__
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11
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12 import sys
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13 import os
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14
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15 from PyQt4.QtCore import QDir, QLibraryInfo
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16
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17 # names of the various settings objects
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18 settingsNameOrganization = "Eric5"
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19 settingsNameGlobal = "eric5"
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20 settingsNameRecent = "eric5recent"
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21
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22 # key names of the various recent entries
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23 recentNameMultiProject = "MultiProjects"
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24 recentNameProject = "Projects"
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25 recentNameFiles = "Files"
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26 recentNameHosts = "Hosts6"
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27
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28 configDir = None
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29
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30
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31 def isWindowsPlatform():
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32 """
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33 Function to check, if this is a Windows platform.
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34
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35 @return flag indicating Windows platform (boolean)
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36 """
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37 return sys.platform.startswith("win")
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38
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39
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40 def isMacPlatform():
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41 """
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42 Function to check, if this is a Mac platform.
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43
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44 @return flag indicating Mac platform (boolean)
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45 """
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46 return sys.platform == "darwin"
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47
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48
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49 def isLinuxPlatform():
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50 """
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51 Function to check, if this is a Linux platform.
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52
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53 @return flag indicating Linux platform (boolean)
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54 """
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55 return sys.platform.startswith("linux")
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56
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57
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58 def checkBlacklistedVersions():
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59 """
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60 Module functions to check for blacklisted versions of the prerequisites.
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61
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62 @return flag indicating good versions were found (boolean)
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63 """
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64 from install import BlackLists, PlatformsBlackLists
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65
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66 # determine the platform dependent black list
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67 if isWindowsPlatform():
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68 PlatformBlackLists = PlatformsBlackLists["windows"]
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69 elif isLinuxPlatform():
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70 PlatformBlackLists = PlatformsBlackLists["linux"]
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71 else:
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72 PlatformBlackLists = PlatformsBlackLists["mac"]
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73
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74 # check version of sip
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75 try:
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76 import sipconfig
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77 sipVersion = sipconfig.Configuration().sip_version_str
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78 # always assume, that snapshots are good
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79 if "snapshot" not in sipVersion:
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80 # check for blacklisted versions
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81 for vers in BlackLists["sip"] + PlatformBlackLists["sip"]:
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82 if vers == sipVersion:
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83 print(
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84 'Sorry, sip version {0} is not compatible with eric5.'
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85 .format(vers))
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86 print('Please install another version.')
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87 return False
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88 except ImportError:
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89 pass
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90
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91 # check version of PyQt
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92 from PyQt4.QtCore import PYQT_VERSION_STR
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93 pyqtVersion = PYQT_VERSION_STR
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94 # always assume, that snapshots are good
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95 if "snapshot" not in pyqtVersion:
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96 # check for blacklisted versions
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97 for vers in BlackLists["PyQt4"] + PlatformBlackLists["PyQt4"]:
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98 if vers == pyqtVersion:
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99 print('Sorry, PyQt4 version {0} is not compatible with eric5.'
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100 .format(vers))
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101 print('Please install another version.')
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102 return False
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103
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104 # check version of QScintilla
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105 from PyQt4.Qsci import QSCINTILLA_VERSION_STR
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106 scintillaVersion = QSCINTILLA_VERSION_STR
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107 # always assume, that snapshots are new enough
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108 if "snapshot" not in scintillaVersion:
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109 # check for blacklisted versions
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110 for vers in BlackLists["QScintilla2"] + \
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111 PlatformBlackLists["QScintilla2"]:
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112 if vers == scintillaVersion:
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113 print(
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114 'Sorry, QScintilla2 version {0} is not compatible'
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115 ' with eric5.'.format(vers))
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116 print('Please install another version.')
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117 return False
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118
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119 return True
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120
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121
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122 def getConfigDir():
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123 """
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124 Module function to get the name of the directory storing the config data.
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125
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126 @return directory name of the config dir (string)
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127 """
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128 if configDir is not None and os.path.exists(configDir):
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129 hp = configDir
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130 else:
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131 if isWindowsPlatform():
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132 cdn = "_eric5"
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133 else:
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134 cdn = ".eric5"
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135
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136 hp = QDir.homePath()
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137 dn = QDir(hp)
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138 dn.mkdir(cdn)
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139 hp += "/" + cdn
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140 return QDir.toNativeSeparators(hp)
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141
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142
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143 def setConfigDir(d):
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144 """
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145 Module function to set the name of the directory storing the config data.
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146
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147 @param d name of an existing directory (string)
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148 """
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149 global configDir
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150 configDir = os.path.expanduser(d)
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151
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152
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153 def getPythonModulesDirectory():
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154 """
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155 Function to determine the path to Python's modules directory.
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156
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157 @return path to the Python modules directory (string)
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158 """
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159 import distutils.sysconfig
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160 return distutils.sysconfig.get_python_lib(True)
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161
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162
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163 def getPyQt4ModulesDirectory():
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164 """
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165 Function to determine the path to PyQt4's modules directory.
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166
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167 @return path to the PyQt4 modules directory (string)
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168 """
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169 import distutils.sysconfig
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170 return os.path.join(distutils.sysconfig.get_python_lib(True), "PyQt4")
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171
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172
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173 def getQtBinariesPath():
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174 """
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175 Module function to get the path of the Qt binaries.
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176
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177 @return path of the Qt binaries (string)
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178 """
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179 path = ""
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180 if isWindowsPlatform():
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181 # check for PyQt4 installer first (designer is test object)
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182 modDir = getPyQt4ModulesDirectory()
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183 if os.path.exists(os.path.join(modDir, "bin", "designer.exe")):
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184 path = os.path.join(modDir, "bin")
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185 elif os.path.exists(os.path.join(modDir, "designer.exe")):
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186 path = modDir
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187
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188 if not path:
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189 path = QLibraryInfo.location(QLibraryInfo.BinariesPath)
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190 if not os.path.exists(path):
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191 path = ""
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192
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193 return QDir.toNativeSeparators(path)
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194
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195
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196 ###############################################################################
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197 ## functions for searching a Python2/3 interpreter
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198 ###############################################################################
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199
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200
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201 def findPythonInterpreters(pyVersion):
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202 """
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203 Module function for searching a Python interpreter.
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204
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205 @param pyVersion major Python version
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206 @return list of interpreters found (list of strings)
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207 """
2573
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208 if pyVersion == 2:
3057
10516539f238 Merge with default branch after shorten the code lines to max. 79 characters.
T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 2677 2997
diff changeset
209 winPathList = ["C:\\Python25", "C:\\Python26",
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T.Rzepka <Tobias.Rzepka@gmail.com>
parents: 2677 2997
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210 "C:\\Python27", "C:\\Python28"]
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211 posixVersionsList = ["2.5", "2.6", "2.7", "2.8"]
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parents: 2525
diff changeset
212 else:
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213 winPathList = ["C:\\Python3{0}".format(x) for x in range(5)]
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214 posixVersionsList = ["3.{0}".format(x) for x in range(5)]
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215 posixPathList = ["/usr/bin", "/usr/local/bin"]
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216
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217 interpreters = []
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parents: 945
diff changeset
218 if isWindowsPlatform():
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219 # search the interpreters on Windows platforms
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220 for path in winPathList:
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parents: 945
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221 exeList = [
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parents: 945
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222 "python.exe",
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parents: 945
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223 "python{0}.{1}.exe".format(path[-2], path[-1]),
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parents: 945
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224 ]
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225 for exe in exeList:
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226 interpreter = os.path.join(path, exe)
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227 if os.path.isfile(interpreter):
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228 interpreters.append(interpreter)
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parents: 945
diff changeset
229 else:
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parents: 1221
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230 # search interpreters on Posix and Mac platforms
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231 for path in posixPathList:
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232 for version in posixVersionsList:
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233 interpreter = os.path.join(path, "python{0}".format(version))
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diff changeset
234 if os.path.isfile(interpreter):
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parents: 945
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235 interpreters.append(interpreter)
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236
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parents: 945
diff changeset
237 return interpreters

eric ide

mercurial