class I18nAwareContentObject(object):
implements(II18nAware)
def __init__(self):
self.content = {}
self.defaultLanguage = 'en'
def getContent(self, language):
return self.content[language]
def queryContent(self, language, default=None):
return self.content.get(language, default)
def setContent(self, content, language):
self.content[language] = content
############################################################
# Implementation methods for interface
# II18nAware.py
def getDefaultLanguage(self):
'See II18nAware'
return self.defaultLanguage
def setDefaultLanguage(self, language):
'See II18nAware'
self.defaultLanguage = language
def getAvailableLanguages(self):
'See II18nAware'
return self.content.keys()
class LocaleTimeZone(object):
"""Specifies one of the timezones of a specific locale.
The attributes of this class are not inherited, since all timezone
information is always provided together.
Example::
>>> tz = LocaleTimeZone('Europe/Berlin')
>>> tz.cities = ['Berlin']
>>> tz.names = {'standard': ('Mitteleuropaeische Zeit', 'MEZ'),
... 'daylight': ('Mitteleuropaeische Sommerzeit', 'MESZ')}
>>> tz.type
'Europe/Berlin'
>>> tz.cities
['Berlin']
"""
implements(ILocaleTimeZone)
def __init__(self, type):
"""Initialize the object."""
self.type = type
self.cities = []
self.names = {}
class ContextDependent(object):
"""standard boilerplate for context dependent objects"""
implements(IContextDependent)
def __init__(self, context):
self.context = context
class Factory(object):
"""Generic factory implementation.
The purpose of this implementation is to provide a quick way of creating
factories for classes, functions and other objects.
"""
implements(IFactory)
def __init__(self, callable, title='', description='', interfaces=None):
self._callable = callable
self.title = title
self.description = description
self._interfaces = interfaces
def __call__(self, *args, **kw):
return self._callable(*args, **kw)
def getInterfaces(self):
if self._interfaces is not None:
spec = Implements(*self._interfaces)
spec.__name__ = getattr(self._callable, '__name__', '[callable]')
return spec
return implementedBy(self._callable)
def __repr__(self):
return '<%s for %s>' %(self.__class__.__name__, `self._callable`)
class State(object):
__slots__ = 'value', 'title'
implements(interfaces.ITerm)
def __init__(self, value, title):
self.value = value
self.title = title
class Text(MinMaxLen, Field):
"""A field containing text used for human discourse."""
_type = unicode
implements(IFromUnicode)
def __init__(self, *args, **kw):
super(Text, self).__init__(*args, **kw)
def fromUnicode(self, str):
"""
>>> t = Text(constraint=lambda v: 'x' in v)
>>> t.fromUnicode("foo x spam")
Traceback (most recent call last):
...
WrongType: ('foo x spam', <type 'unicode'>)
>>> t.fromUnicode(u"foo x spam")
u'foo x spam'
>>> t.fromUnicode(u"foo spam")
Traceback (most recent call last):
...
ConstraintNotSatisfied: foo spam
"""
self.validate(str)
return str
class GettextMessageCatalog(object):
"""A message catalog based on GNU gettext and Python's gettext module."""
implements(IGlobalMessageCatalog)
def __init__(self, language, domain, path_to_file):
"""Initialize the message catalog"""
self.language = language
self.domain = domain
self._path_to_file = path_to_file
self.reload()
self._catalog.add_fallback(_KeyErrorRaisingFallback())
def reload(self):
'See IMessageCatalog'
fp = open(self._path_to_file, 'rb')
try:
self._catalog = GNUTranslations(fp)
finally:
fp.close()
def getMessage(self, id):
'See IMessageCatalog'
return self._catalog.ugettext(id)
def queryMessage(self, id, default=None):
'See IMessageCatalog'
try:
return self._catalog.ugettext(id)
except KeyError:
return default
def getIdentifier(self):
'See IMessageCatalog'
return self._path_to_file
class TestClass(object):
implements(ITestSchema)
_foo = u''
_bar = u''
_attribute = u''
def getfoo(self):
return self._foo
def setfoo(self, value):
self._foo = value
foo = property(getfoo, setfoo, None, u'foo')
def getbar(self):
return self._bar
def setbar(self, value):
self._bar = value
bar = property(getbar, setbar, None, u'foo')
def getattribute(self):
return self._attribute
def setattribute(self, value):
self._attribute = value
attribute = property(getattribute, setattribute, None, u'attribute')
class FieldPropertyTestClass(object):
implements(ITestSchema)
foo = FieldProperty(ITestSchema['foo'])
bar = FieldProperty(ITestSchema['bar'])
attribute = FieldProperty(ITestSchema['attribute'])
class Env(object):
implements(IUserPreferredLanguages)
def __init__(self, langs=()):
self.langs = langs
def getPreferredLanguages(self):
return self.langs
class Comp(object):
__used_for__ = IContent
implements(IApp)
def __init__(self, *args):
# Ignore arguments passed to constructor
pass
a = 1
def f(): pass
class LocaleFormatLength(AttributeInheritance):
"""Specifies one of the format lengths of a specific quantity, like
numbers, dates, times and datetimes."""
implements(ILocaleFormatLength)
def __init__(self, type=None):
"""Initialize the object."""
self.type = type
self.default = None
class Ob(object):
implements(I1)
def __conform__(self, i):
if i is IServiceService:
from zpt._zope.component.bbb import getServices
return getServices()
from zpt._zope.component.interfaces import ISiteManager
from zpt._zope.component import getSiteManager
if i is ISiteManager:
return getSiteManager()
class Good(object):
implements(I)
def __init__(self):
self.set = 0
def getFoo(self):
return u"foo"
def setFoo(self, v):
self.set += 1
class LocaleCurrency(object):
"""Simple implementation of ILocaleCurrency without inheritance support,
since it is not needed for a single currency."""
implements(ILocaleCurrency)
def __init__(self, type):
"""Initialize object."""
self.type = type
self.symbol = None
self.symbolChoice = False
self.displayName = None
class ErrorInfo(object):
implements(ITALExpressionErrorInfo)
def __init__(self, err, position=(None, None)):
if isinstance(err, Exception):
self.type = err.__class__
self.value = err
else:
self.type = err
self.value = None
self.lineno = position[0]
self.offset = position[1]
class DeferExpr(object):
implements(ITALESExpression)
def __init__(self, name, expr, compiler):
self._s = expr = expr.lstrip()
self._c = compiler.compile(expr)
def __call__(self, econtext):
return DeferWrapper(self._c, econtext)
def __repr__(self):
return '<DeferExpr %s>' % ` self._s `
class NotExpr(object):
implements(ITALESExpression)
def __init__(self, name, expr, engine):
self._s = expr = expr.lstrip()
self._c = engine.compile(expr)
def __call__(self, econtext):
return int(not econtext.evaluateBoolean(self._c))
def __repr__(self):
return '<NotExpr %s>' % ` self._s `
class LocaleProvider(object):
"""A locale provider that get's its data from the XML data."""
implements(ILocaleProvider)
def __init__(self, locale_dir):
self._locales = {}
self._locale_dir = locale_dir
def loadLocale(self, language=None, country=None, variant=None):
"""See zpt._zope.i18n.interfaces.locales.ILocaleProvider"""
# Creating the filename
if language == None and country == None and variant == None:
filename = 'root.xml'
else:
filename = language
if country is not None:
filename += '_'+country
if variant is not None:
if '_' not in filename:
filename += '_'
filename += '_'+variant
filename += '.xml'
# Making sure we have this locale
path = os.path.join(self._locale_dir, filename)
if not os.path.exists(path):
raise LoadLocaleError, \
'The desired locale is not available.\nPath: %s' %path
# Import here to avoid circular imports
from zpt._zope.i18n.locales.xmlfactory import LocaleFactory
# Let's get it!
locale = LocaleFactory(path)()
self._locales[(language, country, variant)] = locale
def getLocale(self, language=None, country=None, variant=None):
"""See zpt._zope.i18n.interfaces.locales.ILocaleProvider"""
# We want to be liberal in what we accept, but the standard is lower
# case language codes, upper case country codes, and upper case
# variants, so coerce case here.
if language:
language = language.lower()
if country:
country = country.upper()
if variant:
variant = variant.upper()
if not self._locales.has_key((language, country, variant)):
self.loadLocale(language, country, variant)
return self._locales[(language, country, variant)]
class ErrorInfo(object):
"""Information about an exception passed to an on-error handler."""
if tal:
implements(ITALExpressionErrorInfo)
def __init__(self, err, position=(None, None)):
if isinstance(err, Exception):
self.type = err.__class__
self.value = err
else:
self.type = err
self.value = None
self.lineno = position[0]
self.offset = position[1]
class LocaleFormat(object):
"""Specifies one of the format of a specific format length.
The attributes of this class are not inherited, since all format
information is always provided together. Note that this information by
itself is often not useful, since other calendar data is required to use
the specified pattern for formatting and parsing.
"""
implements(ILocaleFormat)
def __init__(self, type=None):
"""Initialize the object."""
self.type = type
self.displayName = u''
self.pattern = u''
class StubServiceService(object):
implements(IServiceService) # This is a lie.
def __init__(self):
self.services = {}
from zpt._zope.component.site import GlobalSiteManager
self.sm = GlobalSiteManager()
def setService(self, name, service):
self.services[name] = service
def getService(self, name):
try:
return self.services[name]
except KeyError:
raise ComponentLookupError, name
class LocaleIdentity(object):
"""Represents a unique identification of the locale
This class does not have to deal with inheritance.
Examples::
>>> id = LocaleIdentity('en')
>>> id
<LocaleIdentity (en, None, None, None)>
>>> id = LocaleIdentity('en', 'latin')
>>> id
<LocaleIdentity (en, latin, None, None)>
>>> id = LocaleIdentity('en', 'latin', 'US')
>>> id
<LocaleIdentity (en, latin, US, None)>
>>> id = LocaleIdentity('en', 'latin', 'US', 'POSIX')
>>> id
<LocaleIdentity (en, latin, US, POSIX)>
>>> id = LocaleIdentity('en', None, 'US', 'POSIX')
>>> id
<LocaleIdentity (en, None, US, POSIX)>
"""
implements(ILocaleIdentity)
def __init__(self,
language=None,
script=None,
territory=None,
variant=None):
"""Initialize object."""
self.language = language
self.script = script
self.territory = territory
self.variant = variant
def __repr__(self):
"""See zpt._zope.i18n.interfaces.ILocaleIdentity
"""
return "<LocaleIdentity (%s, %s, %s, %s)>" % (
self.language, self.script, self.territory, self.variant)
class StateVocabulary(object):
__slots__ = ()
implements(IStateVocabulary)
def __init__(self, object=None):
pass
def __contains__(self, value):
return value in _states
def __iter__(self):
return _states.itervalues()
def __len__(self):
return len(_states)
def getTerm(self, value):
return _states[value]
class TestNameSpace(object):
implements(ITALESFunctionNamespace)
def __init__(self, context):
self.context = context
def setEngine(self, engine):
self._engine = engine
def engine(self):
return self._engine
def upper(self):
return str(self.context).upper()
def __getitem__(self, key):
if key == 'jump':
return self.context._d
raise KeyError, key
class SampleVocabulary(object):
implements(interfaces.IVocabulary)
def __iter__(self):
return iter([self.getTerm(x) for x in range(0, 10)])
def __contains__(self, value):
return 0 <= value < 10
def __len__(self):
return 10
def getTerm(self, value):
if value in self:
t = SampleTerm()
t.value = value
t.double = 2 * value
return t
raise LookupError("no such value: %r" % value)
class SimpleTranslationDomain(object):
"""This is the simplest implementation of the ITranslationDomain I
could come up with.
The constructor takes one optional argument 'messages', which will be
used to do the translation. The 'messages' attribute has to have the
following structure:
{('language', 'msg_id'): 'message', ...}
Note: This Translation Domain does not use message catalogs.
"""
implements(ITranslationDomain)
# See zpt._zope.i18n.interfaces.ITranslationDomain
domain = None
def __init__(self, domain, messages=None):
"""Initializes the object. No arguments are needed."""
self.domain = domain
if messages is None:
self.messages = {}
else:
assert isinstance(messages, dict)
self.messages = messages
def translate(self, msgid, mapping=None, context=None,
target_language=None, default=None):
'''See interface ITranslationDomain'''
# Find out what the target language should be
if target_language is None and context is not None:
langs = [m[0] for m in self.messages.keys()]
# Let's negotiate the language to translate to. :)
negotiator = getUtility(INegotiator)
target_language = negotiator.getLanguage(langs, context)
# Find a translation; if nothing is found, use the default
# value
text = self.messages.get((target_language, msgid))
if text is None:
text = default
return interpolate(text, mapping)
class StringExpr(object):
implements(ITALESExpression)
def __init__(self, name, expr, engine):
self._s = expr
if '%' in expr:
expr = expr.replace('%', '%%')
self._vars = vars = []
if '$' in expr:
# Use whatever expr type is registered as "path".
path_type = engine.getTypes()['path']
parts = []
for exp in expr.split('$$'):
if parts: parts.append('$')
m = _interp.search(exp)
while m is not None:
parts.append(exp[:m.start()])
parts.append('%s')
vars.append(
path_type('path',
m.group(1) or m.group(2), engine))
exp = exp[m.end():]
m = _interp.search(exp)
if '$' in exp:
raise engine.getCompilerError()(
'$ must be doubled or followed by a simple path')
parts.append(exp)
expr = ''.join(parts)
self._expr = expr
def __call__(self, econtext):
vvals = []
for var in self._vars:
v = var(econtext)
vvals.append(v)
return self._expr % tuple(vvals)
def __str__(self):
return 'string expression (%s)' % ` self._s `
def __repr__(self):
return '<StringExpr %s>' % ` self._s `
class AdapterService(object):
"""Base implementation of an adapter service, implementing only the
'IAdapterService' interface.
No write-methods were implemented.
"""
implements(IAdapterService)
def __init__(self, sitemanager=None):
if sitemanager is None:
from zpt._zope.component.site import GlobalSiteManager
sitemanager = GlobalSiteManager()
self.sm = sitemanager
def __getattr__(self, name):
attr = getattr(self.sm.adapters, name)
if attr is not None:
return attr
raise AttributeError, name
class POEngine(DummyEngine):
implements(ITALExpressionEngine)
def __init__(self, macros=None):
self.catalog = {}
DummyEngine.__init__(self, macros)
def evaluate(*args):
# If the result of evaluate ever gets into a message ID, we want
# to notice the fact in the .pot file.
return '${DYNAMIC_CONTENT}'
def evaluatePathOrVar(*args):
# Actually this method is never called.
return 'XXX'
def evaluateSequence(self, expr):
return (0,) # dummy
def evaluateBoolean(self, expr):
return True # dummy
def translate(self, msgid, domain=None, mapping=None, default=None,
# Position is not part of the ITALExpressionEngine
# interface
position=None):
# Make the message is a MessageID object, if the default differs
# from the value, so that the POT generator can put the default
# text into a comment.
if default is not None and normalize(default) != msgid:
msgid = MessageID(msgid, default=default)
if domain not in self.catalog:
self.catalog[domain] = {}
domain = self.catalog[domain]
if msgid not in domain:
domain[msgid] = []
domain[msgid].append((self.file, position))
return 'x'
