284 lines
14 KiB
Python
284 lines
14 KiB
Python
'''This file contains basic classes that will be added into any user
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application for creating the basic structure of the application "Tool" which
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is the set of web pages used for configuring the application.'''
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# ------------------------------------------------------------------------------
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import types
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import appy.gen as gen
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# Prototypical instances of every type -----------------------------------------
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class Protos:
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protos = {}
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# List of attributes that can't be given to a Type constructor
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notInit = ('id', 'type', 'pythonType', 'slaves', 'isSelect', 'hasLabel',
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'hasDescr', 'hasHelp', 'required', 'filterable', 'validable',
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'backd', 'isBack', 'sync', 'pageName', 'shownInfoWidths',
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'masterName')
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@classmethod
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def get(self, appyType):
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'''Returns a prototype instance for p_appyType.'''
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className = appyType.__class__.__name__
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isString = (className == 'String')
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if isString:
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# For Strings, we create one prototype per format, because default
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# values may change according to format.
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className += str(appyType.format)
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if className in self.protos: return self.protos[className]
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# The prototype does not exist yet: create it
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if isString:
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proto = appyType.__class__(format=appyType.format)
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# Now, we fake to be able to detect default values
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proto.format = 0
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else:
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proto = appyType.__class__()
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self.protos[className] = proto
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return proto
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# ------------------------------------------------------------------------------
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class ModelClass:
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'''This class is the abstract class of all predefined application classes
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used in the Appy model: Tool, User, etc. All methods and attributes of
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those classes are part of the Appy machinery and are prefixed with _appy_
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in order to avoid name conflicts with user-defined parts of the
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application model.'''
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_appy_attributes = [] # We need to keep track of attributes order.
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folder = False
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@classmethod
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def _appy_getTypeBody(klass, appyType, wrapperName):
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'''This method returns the code declaration for p_appyType.'''
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typeArgs = ''
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proto = Protos.get(appyType)
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for name, value in appyType.__dict__.iteritems():
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# Some attrs can't be given to the constructor
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if name in Protos.notInit: continue
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# If the given value corresponds to the default value, don't give it
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if value == getattr(proto, name): continue
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if name == 'layouts':
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# For Tool attributes we do not copy layout info. Indeed, most
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# fields added to the Tool are config-related attributes whose
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# layouts must be standard.
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if klass.__name__ == 'Tool': continue
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layouts = appyType.getInputLayouts()
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# For the Translation class that has potentially thousands of
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# attributes, the most used layout is cached in a global var in
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# named "tfw" in wrappers.py.
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if (klass.__name__ == 'Translation') and \
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(layouts == '{"edit":"f","cell":"f","view":"f",}'):
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value = 'tfw'
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else:
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value = appyType.getInputLayouts()
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elif (name == 'klass') and value and (value == klass):
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# This is a auto-Ref (a Ref that references the klass itself).
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# At this time, we can't reference the class that is still being
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# defined. So we initialize it to None. The post-init of the
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# field must be done manually in wrappers.py.
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value = 'None'
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elif isinstance(value, basestring):
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value = '"%s"' % value
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elif isinstance(value, gen.Ref):
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if not value.isBack: continue
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value = klass._appy_getTypeBody(value, wrapperName)
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elif type(value) == type(ModelClass):
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moduleName = value.__module__
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if moduleName.startswith('appy.gen'):
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value = value.__name__
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else:
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value = '%s.%s' % (moduleName, value.__name__)
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elif isinstance(value, gen.Selection):
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value = 'Selection("%s")' % value.methodName
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elif isinstance(value, gen.Group):
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value = 'Grp("%s")' % value.name
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elif isinstance(value, gen.Page):
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value = 'pges["%s"]' % value.name
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elif callable(value):
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className = wrapperName
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if (appyType.type == 'Ref') and appyType.isBack:
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className = value.im_class.__name__
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value = '%s.%s' % (className, value.__name__)
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typeArgs += '%s=%s,' % (name, value)
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return '%s(%s)' % (appyType.__class__.__name__, typeArgs)
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@classmethod
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def _appy_getBody(klass):
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'''This method returns the code declaration of this class. We will dump
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this in wrappers.py in the Zope product.'''
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className = klass.__name__
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# Determine the name of the class and its wrapper. Because so much
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# attributes can be generated on a TranslationWrapper, shortcutting it
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# to 'TW' may reduce the generated file from several kilobytes.
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if className == 'Translation': wrapperName = 'WT'
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else: wrapperName = 'W%s' % className
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res = 'class %s(%s):\n' % (className, wrapperName)
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# Tool must be folderish
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if klass.folder: res += ' folder=True\n'
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# First, scan all attributes, determine all used pages and create a
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# dict with it. It will prevent us from creating a new Page instance
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# for every field.
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pages = {}
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layouts = []
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for name in klass._appy_attributes:
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exec 'appyType = klass.%s' % name
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if appyType.page.name not in pages:
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pages[appyType.page.name] = appyType.page
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res += ' pges = {'
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for page in pages.itervalues():
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# Determine page show
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pageShow = page.show
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if isinstance(pageShow, basestring): pageShow='"%s"' % pageShow
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elif callable(pageShow):
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pageShow = '%s.%s' % (wrapperName, pageShow.__name__)
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res += '"%s":Pge("%s", show=%s),'% (page.name, page.name, pageShow)
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res += '}\n'
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# Secondly, dump every attribute
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for name in klass._appy_attributes:
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exec 'appyType = klass.%s' % name
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typeBody = klass._appy_getTypeBody(appyType, wrapperName)
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res += ' %s=%s\n' % (name, typeBody)
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return res
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# The User class ---------------------------------------------------------------
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class User(ModelClass):
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# In a ModelClass we need to declare attributes in the following list.
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_appy_attributes = ['title', 'name', 'firstName', 'login', 'password1',
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'password2', 'email', 'roles']
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# All methods defined below are fake. Real versions are in the wrapper.
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title = gen.String(show=False, indexed=True)
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gm = {'group': 'main', 'width': 25}
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def showName(self): pass
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name = gen.String(show=showName, **gm)
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firstName = gen.String(show=showName, **gm)
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def showEmail(self): pass
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email = gen.String(show=showEmail)
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gm['multiplicity'] = (1,1)
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def showLogin(self): pass
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def validateLogin(self): pass
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login = gen.String(show=showLogin, validator=validateLogin,
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indexed=True, **gm)
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def showPassword(self): pass
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def validatePassword(self): pass
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password1 = gen.String(format=gen.String.PASSWORD, show=showPassword,
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validator=validatePassword, **gm)
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password2 = gen.String(format=gen.String.PASSWORD, show=showPassword, **gm)
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gm['multiplicity'] = (0, None)
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def showRoles(self): pass
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roles = gen.String(show=showRoles, indexed=True,
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validator=gen.Selection('getGrantableRoles'), **gm)
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# The Group class --------------------------------------------------------------
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class Group(ModelClass):
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# In a ModelClass we need to declare attributes in the following list.
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_appy_attributes = ['title', 'login', 'roles', 'users']
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# All methods defined below are fake. Real versions are in the wrapper.
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m = {'group': 'main', 'width': 25, 'indexed': True}
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title = gen.String(multiplicity=(1,1), **m)
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def showLogin(self): pass
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def validateLogin(self): pass
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login = gen.String(show=showLogin, validator=validateLogin,
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multiplicity=(1,1), **m)
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roles = gen.String(validator=gen.Selection('getGrantableRoles'),
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multiplicity=(0,None), **m)
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users = gen.Ref(User, multiplicity=(0,None), add=False, link=True,
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back=gen.Ref(attribute='groups', show=User.showRoles,
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multiplicity=(0,None)),
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showHeaders=True, shownInfo=('title', 'login'))
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# The Translation class --------------------------------------------------------
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class Translation(ModelClass):
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_appy_attributes = ['po', 'title']
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# All methods defined below are fake. Real versions are in the wrapper.
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def getPoFile(self): pass
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po = gen.Action(action=getPoFile, page=gen.Page('actions', show='view'),
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result='filetmp')
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title = gen.String(show=False, indexed=True)
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def label(self): pass
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def show(self, name): pass
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# The Page class ---------------------------------------------------------------
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class Page(ModelClass):
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_appy_attributes = ['title', 'content', 'pages']
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folder = True
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title = gen.String(show='edit', indexed=True)
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content = gen.String(format=gen.String.XHTML, layouts='f', richText=True)
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# Pages can contain other pages.
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def showSubPages(self): pass
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pages = gen.Ref(None, multiplicity=(0,None), add=True, link=False,
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back=gen.Ref(attribute='parent', show=False),
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show=showSubPages, navigable=True)
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Page.pages.klass = Page
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setattr(Page, Page.pages.back.attribute, Page.pages.back)
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# The Tool class ---------------------------------------------------------------
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# Prefixes of the fields generated on the Tool.
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toolFieldPrefixes = ('defaultValue', 'podTemplate', 'formats', 'resultColumns',
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'enableAdvancedSearch', 'numberOfSearchColumns',
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'searchFields', 'optionalFields', 'showWorkflow',
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'showAllStatesInPhase')
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defaultToolFields = ('title', 'mailHost', 'mailEnabled', 'mailFrom',
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'appyVersion', 'dateFormat', 'hourFormat', 'users',
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'connectedUsers', 'groups', 'translations',
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'loadTranslationsAtStartup', 'pages', 'unoEnabledPython',
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'openOfficePort', 'numberOfResultsPerPage')
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class Tool(ModelClass):
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# In a ModelClass we need to declare attributes in the following list.
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_appy_attributes = list(defaultToolFields)
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folder = True
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# Tool attributes
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def isManager(self): pass
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def isManagerEdit(self): pass
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lf = {'layouts':'f'}
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title = gen.String(show=False, page=gen.Page('main', show=False), **lf)
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mailHost = gen.String(default='localhost:25', **lf)
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mailEnabled = gen.Boolean(default=False, **lf)
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mailFrom = gen.String(default='info@appyframework.org', **lf)
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appyVersion = gen.String(**lf)
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dateFormat = gen.String(default='%d/%m/%Y', **lf)
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hourFormat = gen.String(default='%H:%M', **lf)
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# Ref(User) will maybe be transformed into Ref(CustomUserClass).
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userPage = gen.Page('users', show=isManager)
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users = gen.Ref(User, multiplicity=(0,None), add=True, link=False,
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back=gen.Ref(attribute='toTool', show=False), page=userPage,
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queryable=True, queryFields=('title', 'login'),
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showHeaders=True, shownInfo=('title', 'login', 'roles'))
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def computeConnectedUsers(self): pass
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connectedUsers = gen.Computed(method=computeConnectedUsers, page=userPage,
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plainText=False)
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groups = gen.Ref(Group, multiplicity=(0,None), add=True, link=False,
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back=gen.Ref(attribute='toTool2', show=False),
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page=gen.Page('groups', show=isManager),
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queryable=True, queryFields=('title', 'login'),
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showHeaders=True, shownInfo=('title', 'login', 'roles'))
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pt = gen.Page('translations', show=isManager)
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translations = gen.Ref(Translation, multiplicity=(0,None), add=False,
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link=False, show='view', page=pt,
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back=gen.Ref(attribute='trToTool', show=False))
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loadTranslationsAtStartup = gen.Boolean(default=True, show=False, page=pt,
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layouts='f')
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pages = gen.Ref(Page, multiplicity=(0,None), add=True, link=False,
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show='view', back=gen.Ref(attribute='toTool3', show=False),
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page=gen.Page('pages', show=isManager))
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# Document generation page
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dgp = {'page': gen.Page('documentGeneration', show=isManagerEdit)}
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def validPythonWithUno(self, value): pass # Real method in the wrapper
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unoEnabledPython = gen.String(show=False,validator=validPythonWithUno,**dgp)
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openOfficePort = gen.Integer(default=2002, show=False, **dgp)
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# User interface page
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numberOfResultsPerPage = gen.Integer(default=30,
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page=gen.Page('userInterface', show=False))
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@classmethod
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def _appy_clean(klass):
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toClean = []
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for k, v in klass.__dict__.iteritems():
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if not k.startswith('__') and (not k.startswith('_appy_')):
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if k not in defaultToolFields:
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toClean.append(k)
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for k in toClean:
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exec 'del klass.%s' % k
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klass._appy_attributes = list(defaultToolFields)
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klass.folder = True
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# ------------------------------------------------------------------------------
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