[gen] Bugfix: it is now possible to generate indexes on back references.
This commit is contained in:
Gaetan Delannay
parent
4db5e9d995
commit
3f75d14e92
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@ -250,11 +250,6 @@ class FieldDescriptor:
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'''This class gathers information about a specific typed attribute defined
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in a gen-class.'''
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# Although Appy allows to specify a multiplicity[0]>1 for those types, it is
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# not currently. So we will always generate single-valued type definitions
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# for them.
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singleValuedTypes = ('Integer', 'Float', 'Boolean', 'Date', 'File')
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def __init__(self, fieldName, appyType, classDescriptor):
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self.appyType = appyType
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self.classDescr = classDescriptor
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@ -321,14 +316,6 @@ class FieldDescriptor:
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def walkRef(self):
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'''How to generate a Ref?'''
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# Update the list of referers
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self.generator.addReferer(self)
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# Add the widget label for the back reference
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back = self.appyType.back
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refClassName = getClassName(self.appyType.klass, self.applicationName)
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if back.hasLabel:
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backName = self.appyType.back.attribute
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self.i18n('%s_%s' % (refClassName, backName), backName)
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# Add the label for the confirm message if relevant
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if self.appyType.addConfirm:
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label = '%s_%s_addConfirm' % (self.classDescr.name, self.fieldName)
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@ -190,44 +190,40 @@ class Generator:
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self.totalNumberOfTests += 1
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return res
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IMPORT_ERROR = 'Warning: error while importing module %s (%s)'
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SYNTAX_ERROR = 'Warning: error while parsing module %s (%s)'
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noVisit = ('tr', 'zope')
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def walkModule(self, moduleName):
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'''Visits a given (sub-*)module into the application.'''
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# Some sub-modules must not be visited
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for nv in self.noVisit:
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nvName = '%s.%s' % (self.applicationName, nv)
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if moduleName == nvName: return
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try:
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exec 'import %s' % moduleName
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exec 'moduleObj = %s' % moduleName
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moduleFile = moduleObj.__file__
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def walkModule(self, moduleName, module):
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'''Visits a given module of the application.'''
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# Create the AST for this module. Producing an AST allows us to retrieve
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# class attributes in the order of their definition, which is not
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# possible by introspecting dict-based class objects.
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moduleFile = module.__file__
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if moduleFile.endswith('.pyc'):
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moduleFile = moduleFile[:-1]
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astClasses = Ast(moduleFile).classes
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except ImportError, ie:
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# True import error or, simply, this is a simple folder within
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# the application, not a sub-module.
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print self.IMPORT_ERROR % (moduleName, str(ie))
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return
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except SyntaxError, se:
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print self.SYNTAX_ERROR % (moduleName, str(se))
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return
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if self.containsTests(moduleObj):
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self.modulesWithTests.add(moduleObj.__name__)
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# Check if tests are present in this module
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if self.containsTests(module):
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self.modulesWithTests.add(module.__name__)
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classType = type(Generator)
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# Find all classes in this module
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for moduleElemName in moduleObj.__dict__.keys():
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exec 'moduleElem = moduleObj.%s' % moduleElemName
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for name in module.__dict__.keys():
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exec 'moduleElem = module.%s' % name
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if (type(moduleElem) == classType) and \
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(moduleElem.__module__ == moduleObj.__name__):
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(moduleElem.__module__ == module.__name__):
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# We have found a Python class definition in this module.
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appyType = self.determineAppyType(moduleElem)
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if appyType != 'none':
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if appyType == 'none': continue
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# Produce a list of static class attributes (in the order
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# of their definition).
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attrs = astClasses[moduleElem.__name__].attributes
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# Collect non-parsable attrs = back references added
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# programmatically
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moreAttrs = []
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for eName, eValue in moduleElem.__dict__.iteritems():
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if isinstance(eValue, gen.Type) and (eName not in attrs):
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moreAttrs.append(eName)
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# Sort them in alphabetical order: else, order would be random
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moreAttrs.sort()
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if moreAttrs: attrs += moreAttrs
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# Add attributes added as back references
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if appyType == 'class':
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# Determine the class type (standard, tool, user...)
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if issubclass(moduleElem, gen.Tool):
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@ -248,29 +244,16 @@ class Generator:
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self.classes.append(descriptor)
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# Manage classes containing tests
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if self.containsTests(moduleElem):
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self.modulesWithTests.add(moduleObj.__name__)
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self.modulesWithTests.add(module.__name__)
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elif appyType == 'workflow':
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descriptorClass = self.descriptorClasses['workflow']
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descriptor = descriptorClass(moduleElem, attrs, self)
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self.workflows.append(descriptor)
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if self.containsTests(moduleElem):
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self.modulesWithTests.add(moduleObj.__name__)
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self.modulesWithTests.add(module.__name__)
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elif isinstance(moduleElem, gen.Config):
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self.config = moduleElem
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# Walk potential sub-modules
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if moduleFile.find('__init__.py') != -1:
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# Potentially, sub-modules exist
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moduleFolder = os.path.dirname(moduleFile)
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for elem in os.listdir(moduleFolder):
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if elem.startswith('.'): continue
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subModuleName, ext = os.path.splitext(elem)
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if ((ext == '.py') and (subModuleName != '__init__')) or \
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os.path.isdir(os.path.join(moduleFolder, subModuleName)):
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# Submodules may be sub-folders or Python files
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subModuleName = '%s.%s' % (moduleName, subModuleName)
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self.walkModule(subModuleName)
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def walkApplication(self):
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'''This method walks into the application and creates the corresponding
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meta-classes in self.classes, self.workflows, etc.'''
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@ -279,7 +262,21 @@ class Generator:
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sys.path.append(containingFolder)
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# What is the name of the application ?
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appName = os.path.basename(self.application)
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self.walkModule(appName)
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# Collect modules (only a the first level) in this application. Import
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# them all, to be sure class definitions are complete (ie, back
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# references are set from one class to the other). Moreover, potential
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# syntax or import errors will raise an exception and abort the
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# generation process before we do any undoable action.
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modules = []
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for fileName in os.listdir(self.application):
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# Ignore non Python files
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if not fileName.endswith('.py'): continue
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moduleName = '%s.%s' % (appName, os.path.splitext(fileName)[0])
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exec 'import %s' % moduleName
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modules.append(eval(moduleName))
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# Parse imported modules
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for module in modules:
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self.walkModule(moduleName, module)
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sys.path.pop()
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def generateClass(self, classDescr):
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@ -366,7 +363,6 @@ class ZopeGenerator(Generator):
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self.page = PageClassDescriptor(Page, self)
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# i18n labels to generate
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self.labels = po.PoMessages()
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self.referers = {}
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def i18n(self, id, default, nice=True):
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'''Shorthand for adding a new message into self.labels.'''
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@ -514,14 +510,6 @@ class ZopeGenerator(Generator):
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res = [r for r in res if eval('r.%s == %s' % (p, p))]
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return res
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def addReferer(self, fieldDescr):
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'''p_fieldDescr is a Ref type definition.'''
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k = fieldDescr.appyType.klass
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refClassName = getClassName(k, self.applicationName)
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if not self.referers.has_key(refClassName):
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self.referers[refClassName] = []
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self.referers[refClassName].append(fieldDescr)
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def getAppyTypePath(self, name, appyType, klass, isBack=False):
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'''Gets the path to the p_appyType when a direct reference to an
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appyType must be generated in a Python file.'''
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@ -599,10 +587,6 @@ class ZopeGenerator(Generator):
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if name == 'title': titleFound = True
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# Add the "title" mandatory field if not found
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if not titleFound: names.insert(0, 'title')
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# Any backward attributes to append?
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if classDescr.name in self.referers:
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for field in self.referers[classDescr.name]:
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names.append(field.appyType.back.attribute)
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# Add the 'state' attribute
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names.append('state')
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qNames = ['"%s"' % name for name in names]
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