annotate engine/python/fife/extensions/serializers/__init__.py @ 697:ecaa4d98f05f tip

Abstracted the GUI code and refactored the GUIChan-specific code into its own module. * Most of the GUIChan code has been refactored into its own gui/guichan module. However, references to the GuiFont class still persist in the Engine and GuiManager code and these will need further refactoring. * GuiManager is now an abstract base class which specific implementations (e.g. GUIChan) should subclass. * The GUIChan GUI code is now a concrete implementation of GuiManager, most of which is in the new GuiChanGuiManager class. * The GUI code in the Console class has been refactored out of the Console and into the GUIChan module as its own GuiChanConsoleWidget class. The rest of the Console class related to executing commands was left largely unchanged. * Existing client code may need to downcast the GuiManager pointer received from FIFE::Engine::getGuiManager() to GuiChanGuiManager, since not all functionality is represented in the GuiManager abstract base class. Python client code can use the new GuiChanGuiManager.castTo static method for this purpose.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 18 Jun 2011 00:28:40 -1000
parents e3140f01749d
children
rev   line source
378
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1 # -*- coding: utf-8 -*-
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2 # ####################################################################
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3 # Copyright (C) 2005-2010 by the FIFE team
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4 # http://www.fifengine.de
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5 # This file is part of FIFE.
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6 #
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7 # FIFE is free software; you can redistribute it and/or
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8 # modify it under the terms of the GNU Lesser General Public
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9 # License as published by the Free Software Foundation; either
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10 # version 2.1 of the License, or (at your option) any later version.
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11 #
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12 # This library 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 GNU
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15 # Lesser 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 Lesser General Public
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18 # License along with this library; if not, write to the
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19 # Free Software Foundation, Inc.,
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20 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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21 # ####################################################################
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22
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23 import fife, sys, os
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24 from traceback import print_exc
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25
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26 __all__ = ('ET', 'SerializerError', 'InvalidFormat', 'WrongFileType', 'NameClash', 'NotFound', 'warn', 'root_subfile', 'reverse_root_subfile')
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27
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28 try:
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29 import xml.etree.cElementTree as ET
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30 except ImportError:
378
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31 import xml.etree.ElementTree as ET
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32
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33 class SerializerError(Exception):
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34 pass
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35
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36 class InvalidFormat(SerializerError):
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37 pass
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38
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39 class WrongFileType(SerializerError):
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40 pass
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41
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42 class NameClash(SerializerError):
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43 pass
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44
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45 class NotFound(SerializerError):
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46 pass
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47
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48 def warn(self, msg):
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49 print 'Warning (%s): %s' % (self.filename, msg)
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50
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51 def root_subfile(masterfile, subfile):
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52 """
378
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53 Returns new path for given subfile (path), which is rooted against masterfile
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54 E.g. if masterfile is ./../foo/bar.xml and subfile is ./../foo2/subfoo.xml,
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55 returned path is ../foo2/subfoo.xml
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56 NOTE: masterfile is expected to be *file*, not directory. subfile can be either
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57 """
378
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58 s = '/'
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59
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60 masterfile = norm_path(os.path.abspath(masterfile))
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61 subfile = norm_path(os.path.abspath(subfile))
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62
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63 master_fragments = masterfile.split(s)
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64 sub_fragments = subfile.split(s)
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65
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66 master_leftovers = []
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67 sub_leftovers = []
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68
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69 for i in xrange(len(master_fragments)):
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70 try:
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71 if master_fragments[i] == sub_fragments[i]:
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72 master_leftovers = master_fragments[i+1:]
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73 sub_leftovers = sub_fragments[i+1:]
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74 except IndexError:
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parents:
diff changeset
75 break
64738befdf3b bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
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diff changeset
76
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diff changeset
77 pathstr = ''
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vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
78 for f in master_leftovers[:-1]:
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diff changeset
79 pathstr += '..' + s
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diff changeset
80 pathstr += s.join(sub_leftovers)
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diff changeset
81 return pathstr
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82
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diff changeset
83 def reverse_root_subfile(masterfile, subfile):
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84 """
378
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diff changeset
85 does inverse operation to root_subfile. E.g.
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86 E.g. if masterfile is ./../foo/bar.xml and subfile is ../foo2/subfoo.xml,
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87 returned path ./../foo2/subfoo.xml
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88 Usually this function is used to convert saved paths into engine relative paths
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89 NOTE: masterfile is expected to be *file*, not directory. subfile can be either
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90 """
378
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91 s = '/'
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92
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93 masterfile = norm_path(os.path.abspath(masterfile)).split(s)[:-1]
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94 subfile = norm_path(os.path.abspath( s.join(masterfile) + s + subfile ))
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95 masterfile = norm_path(os.getcwd()) + s + 'foo.bar' # cheat a little to satisfy root_subfile
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96 return root_subfile(masterfile, subfile)
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97
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98 def norm_path(path):
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99 """
378
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100 Makes the path use '/' delimited separators. FIFE always uses these delimiters, but some os-related
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101 routines will default to os.path.sep.
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102 """
378
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diff changeset
103 if os.path.sep == '/':
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104 return path
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105
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106 return '/'.join(path.split(os.path.sep))
661
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107
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108 def loadImportFile(loader, path, engine, debug=False):
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109 """ uses XMLObjectLoader to load import files from path
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110
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111 @type path: string
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112 @param path: path to import file
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113 @type debug: bool
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114 @param debug: flag to activate / deactivate print statements
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115 """
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116 loader.loadResource(fife.ResourceLocation(path))
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117 if debug: print 'imported object file ' + path
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118
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119 def loadImportDir(loader, path, engine, debug=False):
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120 """ helper function to call loadImportFile on a directory
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121
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122 @type path: string
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123 @param path: path to import directory
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124 @type debug: bool
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125 @param debug: flag to activate / deactivate print statements
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126 """
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127 for _file in filter(lambda f: f.split('.')[-1] == 'xml', engine.getVFS().listFiles(path)):
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128 loadImportFile(loader, '/'.join([path, _file]), engine, debug)
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129
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130 def loadImportDirRec(loader, path, engine, debug=False):
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131 """ helper function to call loadImportFile recursive on a directory
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132
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133 @type path: string
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134 @param path: path to import directory
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135 @type debug: bool
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136 @param debug: flag to activate / deactivate print statements
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137 """
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138 loadImportDir(loader, path, engine, debug)
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139
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140 for _dir in filter(lambda d: not d.startswith('.'), engine.getVFS().listDirectories(path)):
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141 loadImportDirRec(loader, '/'.join([path, _dir]), engine, debug)
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142
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143 def root_subfile(masterfile, subfile):
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144 """
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145 Returns new path for given subfile (path), which is rooted against masterfile
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146 E.g. if masterfile is ./../foo/bar.xml and subfile is ./../foo2/subfoo.xml,
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147 returned path is ../foo2/subfoo.xml
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148 NOTE: masterfile is expected to be *file*, not directory. subfile can be either
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149 """
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150 s = '/'
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151
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152 masterfile = norm_path(os.path.abspath(masterfile))
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153 subfile = norm_path(os.path.abspath(subfile))
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154
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155 master_fragments = masterfile.split(s)
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156 sub_fragments = subfile.split(s)
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157
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158 master_leftovers = []
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159 sub_leftovers = []
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160
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161 for i in xrange(len(master_fragments)):
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162 try:
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163 if master_fragments[i] == sub_fragments[i]:
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164 master_leftovers = master_fragments[i+1:]
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165 sub_leftovers = sub_fragments[i+1:]
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166 except IndexError:
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167 break
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168
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169 pathstr = ''
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170 for f in master_leftovers[:-1]:
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171 pathstr += '..' + s
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172 pathstr += s.join(sub_leftovers)
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173 return pathstr