diff -r f99d60d6b59b -r 2602857055c5 eric6/Graphics/ImportsDiagramBuilder.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/Graphics/ImportsDiagramBuilder.py Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,288 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2007 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a dialog showing an imports diagram of a package.
+"""
+
+from __future__ import unicode_literals
+
+import glob
+import os
+
+from PyQt5.QtWidgets import QApplication, QGraphicsTextItem
+
+from E5Gui.E5ProgressDialog import E5ProgressDialog
+
+from .UMLDiagramBuilder import UMLDiagramBuilder
+
+import Utilities
+import Preferences
+
+
+class ImportsDiagramBuilder(UMLDiagramBuilder):
+ """
+ Class implementing a builder for imports diagrams of a package.
+
+ Note: Only package internal imports are shown in order to maintain
+ some readability.
+ """
+ def __init__(self, dialog, view, project, package,
+ showExternalImports=False):
+ """
+ Constructor
+
+ @param dialog reference to the UML dialog (UMLDialog)
+ @param view reference to the view object (UMLGraphicsView)
+ @param project reference to the project object (Project)
+ @param package name of a python package to show the import
+ relationships (string)
+ @keyparam showExternalImports flag indicating to show exports from
+ outside the package (boolean)
+ """
+ super(ImportsDiagramBuilder, self).__init__(dialog, view, project)
+ self.setObjectName("ImportsDiagram")
+
+ self.showExternalImports = showExternalImports
+ self.packagePath = Utilities.normabspath(package)
+
+ def initialize(self):
+ """
+ Public method to initialize the object.
+ """
+ self.package = os.path.splitdrive(self.packagePath)[1].replace(
+ os.sep, '.')[1:]
+ hasInit = True
+ ppath = self.packagePath
+ while hasInit:
+ ppath = os.path.dirname(ppath)
+ hasInit = len(glob.glob(os.path.join(ppath, '__init__.*'))) > 0
+ self.shortPackage = self.packagePath.replace(ppath, '').replace(
+ os.sep, '.')[1:]
+
+ pname = self.project.getProjectName()
+ if pname:
+ name = self.tr("Imports Diagramm {0}: {1}").format(
+ pname, self.project.getRelativePath(self.packagePath))
+ else:
+ name = self.tr("Imports Diagramm: {0}").format(
+ self.packagePath)
+ self.umlView.setDiagramName(name)
+
+ def __buildModulesDict(self):
+ """
+ Private method to build a dictionary of modules contained in the
+ package.
+
+ @return dictionary of modules contained in the package.
+ """
+ import Utilities.ModuleParser
+ extensions = Preferences.getPython("PythonExtensions") + \
+ Preferences.getPython("Python3Extensions")
+ moduleDict = {}
+ modules = []
+ for ext in Preferences.getPython("PythonExtensions") + \
+ Preferences.getPython("Python3Extensions"):
+ modules.extend(glob.glob(Utilities.normjoinpath(
+ self.packagePath, '*{0}'.format(ext))))
+
+ tot = len(modules)
+ progress = E5ProgressDialog(
+ self.tr("Parsing modules..."),
+ None, 0, tot, self.tr("%v/%m Modules"), self.parent())
+ progress.setWindowTitle(self.tr("Imports Diagramm"))
+ try:
+ prog = 0
+ progress.show()
+ QApplication.processEvents()
+ for module in modules:
+ progress.setValue(prog)
+ QApplication.processEvents()
+ prog = prog + 1
+ try:
+ mod = Utilities.ModuleParser.readModule(
+ module, extensions=extensions, caching=False)
+ except ImportError:
+ continue
+ else:
+ name = mod.name
+ if name.startswith(self.package):
+ name = name[len(self.package) + 1:]
+ moduleDict[name] = mod
+ finally:
+ progress.setValue(tot)
+ progress.deleteLater()
+ return moduleDict
+
+ def buildDiagram(self):
+ """
+ Public method to build the modules shapes of the diagram.
+ """
+ initlist = glob.glob(os.path.join(self.packagePath, '__init__.*'))
+ if len(initlist) == 0:
+ ct = QGraphicsTextItem(None)
+ ct.setHtml(
+ self.tr(
+ "The directory <b>'{0}'</b> is not a Python package.")
+ .format(self.package))
+ self.scene.addItem(ct)
+ return
+
+ shapes = {}
+ p = 10
+ y = 10
+ maxHeight = 0
+ sceneRect = self.umlView.sceneRect()
+
+ modules = self.__buildModulesDict()
+ sortedkeys = sorted(modules.keys())
+ externalMods = []
+ packageList = self.shortPackage.split('.')
+ packageListLen = len(packageList)
+ for module in sortedkeys:
+ impLst = []
+ for i in modules[module].imports:
+ if i.startswith(self.package):
+ n = i[len(self.package) + 1:]
+ else:
+ n = i
+ if i in modules:
+ impLst.append(n)
+ elif self.showExternalImports:
+ impLst.append(n)
+ if n not in externalMods:
+ externalMods.append(n)
+ for i in list(modules[module].from_imports.keys()):
+ if i.startswith('.'):
+ dots = len(i) - len(i.lstrip('.'))
+ if dots == 1:
+ n = i[1:]
+ i = n
+ else:
+ if self.showExternalImports:
+ n = '.'.join(
+ packageList[:packageListLen - dots + 1] +
+ [i[dots:]])
+ else:
+ n = i
+ elif i.startswith(self.package):
+ n = i[len(self.package) + 1:]
+ else:
+ n = i
+ if i in modules:
+ impLst.append(n)
+ elif self.showExternalImports:
+ impLst.append(n)
+ if n not in externalMods:
+ externalMods.append(n)
+ classNames = []
+ for cls in list(modules[module].classes.keys()):
+ className = modules[module].classes[cls].name
+ if className not in classNames:
+ classNames.append(className)
+ shape = self.__addModule(module, classNames, 0.0, 0.0)
+ shapeRect = shape.sceneBoundingRect()
+ shapes[module] = (shape, impLst)
+ pn = p + shapeRect.width() + 10
+ maxHeight = max(maxHeight, shapeRect.height())
+ if pn > sceneRect.width():
+ p = 10
+ y += maxHeight + 10
+ maxHeight = shapeRect.height()
+ shape.setPos(p, y)
+ p += shapeRect.width() + 10
+ else:
+ shape.setPos(p, y)
+ p = pn
+
+ for module in externalMods:
+ shape = self.__addModule(module, [], 0.0, 0.0)
+ shapeRect = shape.sceneBoundingRect()
+ shapes[module] = (shape, [])
+ pn = p + shapeRect.width() + 10
+ maxHeight = max(maxHeight, shapeRect.height())
+ if pn > sceneRect.width():
+ p = 10
+ y += maxHeight + 10
+ maxHeight = shapeRect.height()
+ shape.setPos(p, y)
+ p += shapeRect.width() + 10
+ else:
+ shape.setPos(p, y)
+ p = pn
+
+ rect = self.umlView._getDiagramRect(10)
+ sceneRect = self.umlView.sceneRect()
+ if rect.width() > sceneRect.width():
+ sceneRect.setWidth(rect.width())
+ if rect.height() > sceneRect.height():
+ sceneRect.setHeight(rect.height())
+ self.umlView.setSceneSize(sceneRect.width(), sceneRect.height())
+
+ self.__createAssociations(shapes)
+ self.umlView.autoAdjustSceneSize(limit=True)
+
+ def __addModule(self, name, classes, x, y):
+ """
+ Private method to add a module to the diagram.
+
+ @param name module name to be shown (string)
+ @param classes list of class names contained in the module
+ (list of strings)
+ @param x x-coordinate (float)
+ @param y y-coordinate (float)
+ @return reference to the imports item (ModuleItem)
+ """
+ from .ModuleItem import ModuleItem, ModuleModel
+ classes.sort()
+ impM = ModuleModel(name, classes)
+ impW = ModuleItem(impM, x, y, scene=self.scene)
+ impW.setId(self.umlView.getItemId())
+ return impW
+
+ def __createAssociations(self, shapes):
+ """
+ Private method to generate the associations between the module shapes.
+
+ @param shapes list of shapes
+ """
+ from .AssociationItem import AssociationItem, Imports
+ for module in list(shapes.keys()):
+ for rel in shapes[module][1]:
+ assoc = AssociationItem(
+ shapes[module][0], shapes[rel][0],
+ Imports)
+ self.scene.addItem(assoc)
+
+ def getPersistenceData(self):
+ """
+ Public method to get a string for data to be persisted.
+
+ @return persisted data string (string)
+ """
+ return "package={0}, show_external={1}".format(
+ self.packagePath, self.showExternalImports)
+
+ def parsePersistenceData(self, version, data):
+ """
+ Public method to parse persisted data.
+
+ @param version version of the data (string)
+ @param data persisted data to be parsed (string)
+ @return flag indicating success (boolean)
+ """
+ parts = data.split(", ")
+ if len(parts) != 2 or \
+ not parts[0].startswith("package=") or \
+ not parts[1].startswith("show_external="):
+ return False
+
+ self.packagePath = parts[0].split("=", 1)[1].strip()
+ self.showExternalImports = Utilities.toBool(
+ parts[1].split("=", 1)[1].strip())
+
+ self.initialize()
+
+ return True
