def unapi(req):
"""View callable implementing the server side of the unAPI spec."""
id_ = req.params.get('id')
if id_:
obj = req.ctx_for_url(id_)
if not obj:
return pyramid.httpexceptions.HTTPNotFound()
format_ = req.params.get('format')
if not format_:
kw = {'content_type': 'application/xml'}
if id_:
formats = [a for n, a in get_adapters(IMetadata, obj, req)]
kw['status'] = '300 Multiple Choices'
else:
formats = []
body = render('unapiformats.mako', {
'formats': formats,
'identifier': id_
},
request=req)
return Response(body, **kw)
if not id_:
return pyramid.httpexceptions.HTTPNotFound()
adapter = None
for _n, _a in get_adapters(IMetadata, obj, req):
if _a.unapi_name == format_:
adapter = _a
break
if not adapter:
return pyramid.httpexceptions.HTTPNotAcceptable()
return pyramid.httpexceptions.HTTPFound(
location=req.resource_url(obj, ext=adapter.extension))
def unapi(req):
"""implements the server side of the unAPI spec.
"""
id_ = req.params.get('id')
if id_:
obj = req.ctx_for_url(id_)
if not obj:
return HTTPNotFound()
format_ = req.params.get('format')
if not format_:
kw = {'content_type': 'application/xml'}
if id_:
formats = [a for n, a in get_adapters(IMetadata, obj, req)]
kw['status'] = '300 Multiple Choices'
else:
formats = []
body = render(
'unapiformats.mako',
{'formats': formats, 'identifier': id_},
request=req)
return Response(body, **kw)
if not id_:
return HTTPNotFound()
adapter = None
for _n, _a in get_adapters(IMetadata, obj, req):
if _a.unapi_name == format_:
adapter = _a
break
if not adapter:
return HTTPNotAcceptable()
return HTTPFound(location=req.resource_url(obj, ext=adapter.extension))
def ctx_factory(model, type_, req):
"""Factory function for request contexts.
The context of a request is either a single model instance or an instance of
DataTable incorporating all information to retrieve an appropriately filtered list
of model instances.
"""
def replacement(id_):
raise HTTPMovedPermanently(
location=req.route_url(model.__name__.lower(), id=id_))
if type_ == 'index':
datatable = req.registry.getUtility(
interfaces.IDataTable, name=req.matched_route.name)
return datatable(req, model)
try:
if model == common.Dataset:
ctx = req.db.query(model).one()
elif model == common.Combination:
ctx = common.Combination.get(req.matchdict['id'])
else:
ctx = req.registry.getUtility(interfaces.ICtxFactoryQuery)(model, req)
if ctx.replacement_id:
return replacement(ctx.replacement_id)
ctx.metadata = get_adapters(interfaces.IMetadata, ctx, req)
return ctx
except NoResultFound:
if req.matchdict.get('id'):
replacement_id = common.Config.get_replacement_id(model, req.matchdict['id'])
if replacement_id:
if replacement_id == common.Config.gone:
raise HTTPGone()
return replacement(replacement_id)
raise HTTPNotFound()
def ctx_factory(model, type_, req):
"""The context of a request is either a single model instance or an instance of
DataTable incorporating all information to retrieve an appropriately filtered list
of model instances.
"""
def replacement(id_):
raise HTTPMovedPermanently(
location=req.route_url(model.mapper_name().lower(), id=id_))
if type_ == 'index':
datatable = req.registry.getUtility(interfaces.IDataTable,
name=req.matched_route.name)
return datatable(req, model)
try:
if model == common.Dataset:
ctx = req.db.query(model).one()
elif model == common.Combination:
ctx = common.Combination.get(req.matchdict['id'])
else:
ctx = req.registry.getUtility(interfaces.ICtxFactoryQuery)(model,
req)
if ctx.replacement_id:
return replacement(ctx.replacement_id)
ctx.metadata = get_adapters(interfaces.IMetadata, ctx, req)
return ctx
except NoResultFound:
if req.matchdict.get('id'):
replacement_id = common.Config.get_replacement_id(
model, req.matchdict['id'])
if replacement_id:
if replacement_id == common.Config.gone:
raise HTTPGone()
return replacement(replacement_id)
raise HTTPNotFound()
def ctx_factory(model, type_, req):
"""The context of a request is either a single model instance or an instance of
DataTable incorporating all information to retrieve an appropriately filtered list
of model instances.
"""
if type_ == 'index':
datatable = req.registry.getUtility(
interfaces.IDataTable, name=req.matched_route.name)
return datatable(req, model)
try:
if model == common.Dataset:
ctx = req.db.query(model).one()
else:
ctx = req.registry.getUtility(interfaces.ICtxFactoryQuery)(model, req)
ctx.metadata = get_adapters(interfaces.IMetadata, ctx, req)
return ctx
except NoResultFound:
raise HTTPNotFound()
def ctx_factory(model, type_, req):
"""The context of a request is either a single model instance or an instance of
DataTable incorporating all information to retrieve an appropriately filtered list
of model instances.
"""
if type_ == 'index':
datatable = req.registry.getUtility(interfaces.IDataTable,
name=req.matched_route.name)
return datatable(req, model)
try:
if model == common.Dataset:
ctx = req.db.query(model).one()
else:
ctx = req.registry.getUtility(interfaces.ICtxFactoryQuery)(model,
req)
ctx.metadata = get_adapters(interfaces.IMetadata, ctx, req)
return ctx
except NoResultFound:
raise HTTPNotFound()