本文整理汇总了Python中zope.interface.interfaces.IInterface类的典型用法代码示例。如果您正苦于以下问题:Python IInterface类的具体用法?Python IInterface怎么用?Python IInterface使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了IInterface类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: manage_FTPget
def manage_FTPget(self, REQUEST=None, RESPONSE=None):
"""Return the body of the content item in an FTP or WebDAV response.
This adapts self to IRawReadFile(), which is then returned as an
iterator. The adapter should provide IStreamIterator.
"""
reader = IRawReadFile(self, None)
if reader is None:
return ''
request = REQUEST is not None and REQUEST or self.REQUEST
response = RESPONSE is not None and RESPONSE or request.response
mimeType = reader.mimeType
encoding = reader.encoding
if mimeType is not None:
if encoding is not None:
response.setHeader('Content-Type', '%s; charset="%s"' % (mimeType, encoding,))
else:
response.setHeader('Content-Type', mimeType)
size = reader.size()
if size is not None:
response.setHeader('Content-Length', str(size))
# if the reader is an iterator that the publisher can handle, return
# it as-is. Otherwise, read the full contents
if ((IInterface.providedBy(IStreamIterator) and IStreamIterator.providedBy(reader))
or (not IInterface.providedBy(IStreamIterator) and IStreamIterator.isImplementedBy(reader))
):
return reader
else:
return reader.read()
示例2: _get_post_metric_name
def _get_post_metric_name(self, iresource: IInterface) -> str:
name = 'process.post'
if iresource.isOrExtends(IProposalVersion):
name = 'process.post.proposalversion'
elif iresource.isOrExtends(IRateVersion):
name = 'process.post.rateversion'
return name
示例3: referential_integrity
def referential_integrity(event):
if event.moving:
return
obj = event.object
obj_oid = oid_of(obj, None)
objectmap = find_objectmap(obj)
if objectmap is None:
return
for reftype in objectmap.get_reftypes():
is_iface = IInterface.providedBy(reftype)
if is_iface and reftype.queryTaggedValue('source_integrity', False):
targetids = objectmap.targetids(obj, reftype)
if obj_oid in targetids:
targetids.remove(obj_oid) # self-referential
if targetids:
# object is a source
raise SourceIntegrityError(obj, reftype, targetids)
if is_iface and reftype.queryTaggedValue('target_integrity', False):
sourceids = objectmap.sourceids(obj, reftype)
if obj_oid in sourceids:
sourceids.remove(obj_oid) # self-referential
if sourceids:
# object is a target
raise TargetIntegrityError(obj, reftype, sourceids)
示例4: find_parents
def find_parents(context, findone=False, start_depth=2, **kwargs):
typename = kwargs.get("typename", None)
iface = kwargs.get("iface", None)
if IInterface.providedBy(iface):
iface = iface.__identifier__
if findone and typename is None and iface is None:
parent = getattr(context, "__parent__", None)
if parent:
return parent # immediate parent of context
result = []
catalog = getToolByName(context, "portal_catalog")
path = context.getPhysicalPath()
subpaths = reversed([path[0:i] for i in range(len(path) + 1)][start_depth:])
for subpath in subpaths:
query = {"path": {"query": "/".join(subpath), "depth": 0}}
if typename is not None:
query["portal_type"] = typename
if iface is not None:
query["object_provides"] = iface
brains = catalog.unrestrictedSearchResults(query)
if not brains:
continue
else:
item = brains[0]._unrestrictedGetObject()
if aq_base(item) is aq_base(context):
continue # don't return or append the context itself!
if findone:
return item
result.append(item)
if findone:
return None # never found one
return result
示例5: resolve_isheet_field_from_dotted_string
def resolve_isheet_field_from_dotted_string(self, dotted: str) -> tuple:
"""Resolve `dotted` string to isheet and field name and schema node.
:dotted: isheet.__identifier__ and field_name separated by ':'
:return: tuple with isheet (ISheet), field_name (str), field schema
node (colander.SchemaNode).
:raise ValueError: If the string is not dotted or it cannot be
resolved to isheet and field name.
"""
if ':' not in dotted:
raise ValueError(
'Not a colon-separated dotted string: {}'.format(dotted))
name = ''.join(dotted.split(':')[:-1])
field = dotted.split(':')[-1]
try:
isheet = resolver.resolve(name)
except ImportError:
raise ValueError('No such sheet: {}'.format(name))
if not (IInterface.providedBy(isheet) and isheet.isOrExtends(ISheet)):
raise ValueError('Not a sheet: {}'.format(name))
schema = self.sheets_meta[isheet].schema_class()
node = schema.get(field, None)
if not node:
raise ValueError('No such field: {}'.format(dotted))
return isheet, field, node
示例6: available
def available(self):
# We are available if we have sublevel menu or a screen.
return (
(len(self.submenu) != 0)
or IUIScreen.implementedBy(self.screen)
or (IInterface.providedBy(self.interface) and self.interface.extends(IUIScreen))
)
示例7: __init__
def __init__(self, context, schema):
if not IComposedQuery.providedBy(context):
raise ValueError('context must provide IComposedQuery')
if not IInterface.providedBy(schema):
raise ValueError('schema provided must be interface')
self.context = context
self.schema = schema
示例8: referential_integrity
def referential_integrity(event):
if event.moving is not None: # being moved
return
objectmap = find_objectmap(event.object)
if objectmap is None:
return
reftypes = list(objectmap.get_reftypes())
for oid in event.removed_oids:
for reftype in reftypes:
is_iface = IInterface.providedBy(reftype)
if is_iface and reftype.queryTaggedValue('source_integrity', False):
targetids = objectmap.targetids(oid, reftype)
if oid in targetids:
targetids.remove(oid) # self-referential
if targetids:
# object is a source
obj = objectmap.object_for(oid)
raise SourceIntegrityError(obj, reftype, targetids)
if is_iface and reftype.queryTaggedValue('target_integrity', False):
sourceids = objectmap.sourceids(oid, reftype)
if oid in sourceids:
sourceids.remove(oid) # self-referential
if sourceids:
# object is a target
obj = objectmap.object_for(oid)
raise TargetIntegrityError(obj, reftype, sourceids)
示例9: _validate
def _validate(self, value):
super(InterfaceField, self)._validate(value)
if not IInterface.providedBy(value):
raise NotAnInterface(
value,
self.__name__
).with_field_and_value(self, value)
示例10: __get__
def __get__(self, inst, cls=None):
global generated
if inst is None:
return getObjectSpecification(cls)
spec = getattr(inst, '__provides__', None)
if spec is None:
spec = implementedBy(cls)
signature = getattr(inst, 'signature', None)
if signature is None:
return spec
if not ismd5hex(signature):
if not isdottedname(signature):
return spec
# not an md5 signature, so perhaps we have a dotted name
try:
iface = resolve(signature)
if not IInterface.providedBy(iface):
raise ValueError('Not interface: %s' % signature)
return Implements(iface, spec)
except ImportError:
logger.warning('SignatureAwareDescriptor: '
'unabled to resolve interface '
'%s by dotted name.')
return spec
iface_name = 'I%s' % signature
dynamic = [getattr(generated, iface_name)]
dynamic.append(spec)
spec = Implements(*dynamic)
return spec
示例11: factory
def factory(self, schema):
if not IInterface.providedBy(schema):
raise GrokImportError(
"You can only pass an interface to the "
"provides argument of %s." % self.name)
return schema
示例12: setup
def setup(self, catalog, name, context, module_info):
# If the user supplied attribute= when instantiating us, we
# allow that value to override the attribute name under which we
# are actually stored inside of the `grokcore.catalog.Indexes`
# instance.
if self._attribute is not None:
field_name = self._attribute
else:
field_name = name
if IInterface.providedBy(context):
try:
method = context[field_name]
except KeyError:
raise GrokError(
"grokcore.catalog.Indexes in %r refers to an attribute or "
"method %r on interface %r, but this does not "
"exist." % (module_info.getModule(),
field_name, context), None)
call = IMethod.providedBy(method)
else:
call = callable(getattr(context, field_name, None))
context = None # no interface lookup
catalog[name] = self.index_class(
field_name=field_name,
interface=context,
field_callable=call,
*self._args, **self._kw)
示例13: resolve
def resolve(name):
"""Resolve the name.
"""
obj = pythonResolve(name)
if not IInterface.providedBy(obj):
return obj.__provides__._implements
return obj
示例14: identifier
def identifier(obj):
"""Gives the Python identifier for the given object, so after we
can do resolve on it to get it back.
"""
if IInterface.providedBy(obj):
return obj.__identifier__
return obj.__name__
示例15: forget
def forget(self, schema):
name = str(schema)
if IInterface.providedBy(schema):
name = identify_interface(schema)
if name not in self._names:
return
self._names.remove(name)