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107 lines
4.0 KiB
107 lines
4.0 KiB
# -*- coding: utf-8 -*-
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# Copyright 2021 Mir Calculate. http://www.calculate-linux.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import calculate.contrib
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from spyne.service import Service, ServiceMeta
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from spyne import String, Integer, Array, rpc
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from .func import WsdlMeta
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from .api_types import ReturnedMessage, ViewInfo, ViewParams
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from spyne.protocol._outbase import OutProtocolBase
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# from .api_types import LazyString
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import calculate.core.server.api_types as api_types
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#monkey patch:
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def to_unicode(self, cls, value, *args, **kwargs):
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if value is None:
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return None
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#### PATCH ####################
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if isinstance(value, api_types.LazyString):
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value = str(value)
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###############################
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handler = self._to_unicode_handlers[cls]
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retval = handler(cls, value, *args, **kwargs)
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return retval
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OutProtocolBase.to_unicode = to_unicode
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class ServiceMetaAdapter(ServiceMeta):
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#ref to the created class
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global_class_ref = None
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#this is used for a localCall
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class CoreInnerWsdl(ServiceMeta, WsdlMeta):
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pass
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# Nevermind, following is deprecated:
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#the idea is to decorate methods that need rpc with this
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#and then find them in make_service and wrap them in funcs without self ref
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# def rpc_a():
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# def func(f):
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# f.wrap_rpc = True
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# return f
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# return func
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#wraps a func in rpc decorator
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#this is needed because Spyne service does not allow self ref in function calls
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def make_rpc_func_view(func_to_call):
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def _function(ctx, sid, params):
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return func_to_call(ServiceMetaAdapter.global_class_ref, sid, params)
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_function.__name__ = func_to_call.__name__
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return rpc(Integer, ViewParams, _returns=ViewInfo)(_function)
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def make_rpc_func_vars(func_to_call):
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def _function(ctx, dv=None, params=None):
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return func_to_call(ServiceMetaAdapter.global_class_ref, dv, params)
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_function.__name__ = func_to_call.__name__
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return staticmethod(_function)
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def make_rpc_func_caller(func_to_call):
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def _function(ctx, sid, params):
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return func_to_call(ServiceMetaAdapter.global_class_ref, sid, params)
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_function.__name__ = func_to_call.__name__
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info_class = func_to_call.info_class
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return rpc(Integer, info_class, _returns=Array(ReturnedMessage))(_function)
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def make_service(basic_class, wsdl_core_class_list, outer_wsdl_class_list, service_name):
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#for Core, rpc methods only present in basic_class, we need others just to have a mono class
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#for outer wsdl classes, we have to add stateless wrap methods on our own
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saved_pub_methods = basic_class.public_methods
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functions_to_add = {}
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for klass in outer_wsdl_class_list:
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for meth in klass.__dict__:
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if not meth.startswith("__") and not meth == "methods":
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if meth.endswith("_view"):
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functions_to_add[meth] = make_rpc_func_view(getattr(klass, meth))
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elif meth.endswith("_vars"):
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functions_to_add[meth] = make_rpc_func_vars(getattr(klass, meth))
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else:
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functions_to_add[meth] = make_rpc_func_caller(getattr(klass, meth))
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functions_to_add.update({"__metaclass__" : ServiceMetaAdapter})
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ClService = ServiceMetaAdapter(service_name, tuple([basic_class] + wsdl_core_class_list), functions_to_add)
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ClService.public_methods.update(saved_pub_methods)
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#TODO replace with a single ref
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ServiceMetaAdapter.global_class_ref = ClService
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basic_class.set_comb_class_ref(ClService)
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return ClService
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