Graphics/ImportsDiagramBuilder.py

Wed, 02 Jan 2013 10:31:48 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 02 Jan 2013 10:31:48 +0100
changeset 2302
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parent 2094
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child 2332
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permissions
-rw-r--r--

Updated copyright for 2013.

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2007 - 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 implementing a dialog showing an imports diagram of a package.
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8 """
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9
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10 import glob
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11 import os
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12
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13 from PyQt4.QtGui import QProgressDialog, QApplication, QGraphicsTextItem
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14
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15 from .UMLDiagramBuilder import UMLDiagramBuilder
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16 from .ModuleItem import ModuleItem, ModuleModel
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17 from .AssociationItem import AssociationItem, Imports
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18
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19 import Utilities.ModuleParser
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20 import Utilities
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21 import Preferences
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24 class ImportsDiagramBuilder(UMLDiagramBuilder):
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25 """
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26 Class implementing a builder for imports diagrams of a package.
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27
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28 Note: Only package internal imports are shown in order to maintain
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29 some readability.
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30 """
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31 def __init__(self, dialog, view, project, package, showExternalImports=False):
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32 """
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33 Constructor
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34
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35 @param dialog reference to the UML dialog (UMLDialog)
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36 @param view reference to the view object (UMLGraphicsView)
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37 @param project reference to the project object (Project)
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38 @param package name of a python package to show the import
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39 relationships (string)
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40 @keyparam showExternalImports flag indicating to show exports from outside
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41 the package (boolean)
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42 """
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43 super().__init__(dialog, view, project)
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44 self.setObjectName("ImportsDiagram")
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45
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46 self.showExternalImports = showExternalImports
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47 self.packagePath = Utilities.normabspath(package)
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48
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49 def initialize(self):
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50 """
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51 Public method to initialize the object.
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52 """
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53 self.package = os.path.splitdrive(self.packagePath)[1].replace(os.sep, '.')[1:]
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54 hasInit = True
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55 ppath = self.packagePath
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56 while hasInit:
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57 ppath = os.path.dirname(ppath)
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58 hasInit = len(glob.glob(os.path.join(ppath, '__init__.*'))) > 0
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59 self.shortPackage = self.packagePath.replace(ppath, '').replace(os.sep, '.')[1:]
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60
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61 pname = self.project.getProjectName()
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62 if pname:
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63 name = self.trUtf8("Imports Diagramm {0}: {1}").format(
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64 pname, self.project.getRelativePath(self.packagePath))
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65 else:
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66 name = self.trUtf8("Imports Diagramm: {0}").format(self.packagePath)
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67 self.umlView.setDiagramName(name)
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68
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69 def __buildModulesDict(self):
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70 """
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71 Private method to build a dictionary of modules contained in the package.
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72
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73 @return dictionary of modules contained in the package.
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74 """
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75 extensions = Preferences.getPython("PythonExtensions") + \
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76 Preferences.getPython("Python3Extensions")
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77 moduleDict = {}
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78 modules = []
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79 for ext in Preferences.getPython("PythonExtensions") + \
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80 Preferences.getPython("Python3Extensions"):
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81 modules.extend(
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82 glob.glob(Utilities.normjoinpath(self.packagePath, '*{0}'.format(ext))))
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83
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84 tot = len(modules)
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85 try:
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86 prog = 0
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87 progress = QProgressDialog(self.trUtf8("Parsing modules..."),
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88 None, 0, tot, self.parent())
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89 progress.show()
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90 QApplication.processEvents()
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91 for module in modules:
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92 progress.setValue(prog)
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93 QApplication.processEvents()
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94 prog = prog + 1
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95 try:
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96 mod = Utilities.ModuleParser.readModule(module, extensions=extensions,
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97 caching=False)
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98 except ImportError:
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99 continue
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100 else:
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101 name = mod.name
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102 if name.startswith(self.package):
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103 name = name[len(self.package) + 1:]
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104 moduleDict[name] = mod
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105 finally:
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106 progress.setValue(tot)
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107 return moduleDict
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108
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109 def buildDiagram(self):
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110 """
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111 Public method to build the modules shapes of the diagram.
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112 """
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113 initlist = glob.glob(os.path.join(self.packagePath, '__init__.*'))
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114 if len(initlist) == 0:
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115 ct = QGraphicsTextItem(None)
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116 ct.setHtml(
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117 self.trUtf8("The directory <b>'{0}'</b> is not a Python package.")\
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118 .format(self.package))
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119 self.scene.addItem(ct)
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120 return
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121
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122 shapes = {}
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123 p = 10
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124 y = 10
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125 maxHeight = 0
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126 sceneRect = self.umlView.sceneRect()
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127
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128 modules = self.__buildModulesDict()
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parents:
diff changeset
129 sortedkeys = sorted(modules.keys())
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parents:
diff changeset
130 externalMods = []
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parents:
diff changeset
131 packageList = self.shortPackage.split('.')
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parents:
diff changeset
132 packageListLen = len(packageList)
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parents:
diff changeset
133 for module in sortedkeys:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 impLst = []
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parents:
diff changeset
135 for i in modules[module].imports:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 if i.startswith(self.package):
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parents:
diff changeset
137 n = i[len(self.package) + 1:]
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parents:
diff changeset
138 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
139 n = i
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parents:
diff changeset
140 if i in modules:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 impLst.append(n)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 elif self.showExternalImports:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 impLst.append(n)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 if not n in externalMods:
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parents:
diff changeset
145 externalMods.append(n)
12
1d8dd9706f46 First commit after changing to Python 3.1.
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parents: 0
diff changeset
146 for i in list(modules[module].from_imports.keys()):
0
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parents:
diff changeset
147 if i.startswith('.'):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
148 dots = len(i) - len(i.lstrip('.'))
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
149 if dots == 1:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
150 n = i[1:]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
151 i = n
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
152 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
153 if self.showExternalImports:
564
b3d966393ba9 Did some code cleanup.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 483
diff changeset
154 n = '.'.join(
0
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
155 packageList[:packageListLen - dots + 1] + [i[dots:]])
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
156 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
157 n = i
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
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158 elif i.startswith(self.package):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
159 n = i[len(self.package) + 1:]
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parents:
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160 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
161 n = i
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
162 if i in modules:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
163 impLst.append(n)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
164 elif self.showExternalImports:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
165 impLst.append(n)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
166 if not n in externalMods:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
167 externalMods.append(n)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
168 classNames = []
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
169 for cls in list(modules[module].classes.keys()):
0
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parents:
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170 className = modules[module].classes[cls].name
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parents:
diff changeset
171 if className not in classNames:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
172 classNames.append(className)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
173 shape = self.__addModule(module, classNames, 0.0, 0.0)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
174 shapeRect = shape.sceneBoundingRect()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
175 shapes[module] = (shape, impLst)
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parents:
diff changeset
176 pn = p + shapeRect.width() + 10
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parents:
diff changeset
177 maxHeight = max(maxHeight, shapeRect.height())
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parents:
diff changeset
178 if pn > sceneRect.width():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
179 p = 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
180 y += maxHeight + 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
181 maxHeight = shapeRect.height()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
182 shape.setPos(p, y)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
183 p += shapeRect.width() + 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
184 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
185 shape.setPos(p, y)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
186 p = pn
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
187
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
188 for module in externalMods:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
189 shape = self.__addModule(module, [], 0.0, 0.0)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
190 shapeRect = shape.sceneBoundingRect()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
191 shapes[module] = (shape, [])
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
192 pn = p + shapeRect.width() + 10
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parents:
diff changeset
193 maxHeight = max(maxHeight, shapeRect.height())
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parents:
diff changeset
194 if pn > sceneRect.width():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
195 p = 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
196 y += maxHeight + 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
197 maxHeight = shapeRect.height()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
198 shape.setPos(p, y)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
199 p += shapeRect.width() + 10
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
200 else:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
201 shape.setPos(p, y)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
202 p = pn
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
203
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
204 rect = self.umlView._getDiagramRect(10)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
205 sceneRect = self.umlView.sceneRect()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
206 if rect.width() > sceneRect.width():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
207 sceneRect.setWidth(rect.width())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
208 if rect.height() > sceneRect.height():
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
209 sceneRect.setHeight(rect.height())
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
210 self.umlView.setSceneSize(sceneRect.width(), sceneRect.height())
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parents:
diff changeset
211
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
212 self.__createAssociations(shapes)
2027
144463496a54 A few fixes for issues with the graphics dialogs.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2026
diff changeset
213 self.umlView.autoAdjustSceneSize(limit=True)
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
214
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
215 def __addModule(self, name, classes, x, y):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
216 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
217 Private method to add a module to the diagram.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
218
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
219 @param name module name to be shown (string)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
220 @param classes list of class names contained in the module
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
221 (list of strings)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
222 @param x x-coordinate (float)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
223 @param y y-coordinate (float)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
224 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
225 classes.sort()
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
226 impM = ModuleModel(name, classes)
945
8cd4d08fa9f6 Made code mostly PEP 8 compliant (except all whitespace and line length).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
227 impW = ModuleItem(impM, x, y, scene=self.scene)
2030
db11a2fe9bbc Implemented functions to save the UML graphics to disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2027
diff changeset
228 impW.setId(self.umlView.getItemId())
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
229 return impW
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
230
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
231 def __createAssociations(self, shapes):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
232 """
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
233 Private method to generate the associations between the module shapes.
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
234
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
235 @param shapes list of shapes
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
236 """
12
1d8dd9706f46 First commit after changing to Python 3.1.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 0
diff changeset
237 for module in list(shapes.keys()):
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
238 for rel in shapes[module][1]:
564
b3d966393ba9 Did some code cleanup.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 483
diff changeset
239 assoc = AssociationItem(
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
240 shapes[module][0], shapes[rel][0],
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
241 Imports)
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
242 self.scene.addItem(assoc)
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
243
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
244 def getPersistenceData(self):
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
245 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
246 Public method to get a string for data to be persisted.
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
247
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
248 @return persisted data string (string)
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
249 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
250 return "package={0}, show_external={1}".format(
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
251 self.packagePath, self.showExternalImports)
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
252
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
253 def parsePersistenceData(self, version, data):
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
254 """
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
255 Public method to parse persisted data.
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
256
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
257 @param version version of the data (string)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
258 @param data persisted data to be parsed (string)
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
259 @return flag indicating success (boolean)
2033
4b99609f6a87 Some more refactorings to prepare loading graphics diagrams from file.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2031
diff changeset
260 """
2034
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
261 parts = data.split(", ")
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
262 if len(parts) != 2 or \
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
263 not parts[0].startswith("package=") or \
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
264 not parts[1].startswith("show_external="):
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
265 return False
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
266
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
267 self.packagePath = parts[0].split("=", 1)[1].strip()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
268 self.showExternalImports = Utilities.toBool(parts[1].split("=", 1)[1].strip())
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
269
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
270 self.initialize()
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
271
8de0fc1f7fef Implemented functions to load UML graphics from disc.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2033
diff changeset
272 return True

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