uPjM2UdZddlmZmZmZmZddlmZmZddl Z ddl m Z ddl m Z mZddlmZddlmZdd lmZdd lmZd Zeed <ed dddehZeed<GddZ ddedeeefdeeefdedzdeeefdzdeeeff dZ ddedeeefdeeefdedzdeeefdzdeeeeff dZ y)a Handler for A2A to LiteLLM completion bridge. Routes A2A requests through litellm.acompletion based on custom_llm_provider. A2A Streaming Events (in order): 1. Task event (kind: "task") - Initial task creation with status "submitted" 2. Status update (kind: "status-update") - Status change to "working" 3. Artifact update (kind: "artifact-update") - Content/artifact delivery 4. Status update (kind: "status-update") - Final status "completed" with final=true ) AsyncIteratorCallable CoroutineMapping)AnyFinalN)verbose_logger)!A2ACompletionBridgeTransformationA2AStreamingContext)A2AProviderConfigManager)merge_agent_headers)CustomStreamWrapper) ModelResponselitellm_a2a_user_api_key_hashA2A_USER_API_KEY_HASH_PARAM is_public agent_nameagent_idagent_card_params_AGENT_ONLY_PARAMSczeZdZdZedeeefdeeefdedzdeeefdzde deee ff d Z ed eee fde e zfd Ze dd d dedeee fdeeefdedzdeeefdzde deee ffdZe dd d dedeeefdeeefdedzdeeefdzde deeee ffdZy)A2ACompletionBridgeHandlerzJ Static methods for handling A2A requests via LiteLLM completion. paramslitellm_paramsapi_baseNagent_extra_headersstreamreturncH|jdi}tj|}|jd}|jdd}|r|j|ds|d|} n|} |rt j d| |nt j d| || |||d} |j D cic]\} } | d vr | tvr| | } } } | j| tj| || |rt|| jd  | d <| Scc} } w) Nmessagecustom_llm_providermodelagent/z6A2A completion bridge streaming: model=%s, api_base=%sz,A2A completion bridge: model=%s, api_base=%s)r"messagesrr)r"r!)completion_params a2a_messager extra_headers)dynamic_headersstatic_headers) getr a2a_message_to_openai_messages startswithr infoitemsrupdate+apply_forward_metadata_to_completion_paramsr )rrrrrr openai_messagesr!r" full_modelr&kvlitellm_params_to_adds {/home/oem/CyberBrain26-unified/.venv/lib/python3.12/site-packages/litellm/a2a_protocol/litellm_completion_bridge/handler.py_build_completion_paramsz3A2ACompletionBridgeHandler._build_completion_params1sa Ir2"C!a!abi!j&4%7%78M%N*..w@ u'7'7;N:Oq8Q'R/0%9JJ     XZdfn o    NPZ\d e '  4 ',,.( 188QFX=X qD( (   !67 *UU/ 1D 3044_E2 o . ! +( s6Dr&cRKttd}|di|d{S7w)N acompletion)varslitellm)r&acompletion_fns r7 _acompletionz'A2ACompletionBridgeHandler._acompletionos4os p p$8&78888 '%'F)_skip_a2a_provider_routing request_idrAcK|jd}|s\tj||jd}|4tjd||j |||||d{St j||||d}t j|d{} tj| | } tjd || S7j75w) a8 Handle non-streaming A2A request via litellm.acompletion. Args: request_id: A2A JSON-RPC request ID params: A2A MessageSendParams containing the message litellm_params: Agent's litellm_params (custom_llm_provider, model, etc.) api_base: API base URL from agent_card_params agent_extra_headers: Per-request headers (from x-a2a-{agent}-* rewrite and admin extra_headers) to forward on the upstream HTTP call. Returns: A2A SendMessageResponse dict r!r"r!r"Nz!A2A: Using provider config for %srBrrrrFrrrrr)responserBz.A2A completion bridge completed: request_id=%s) r+r get_provider_configr r.handle_non_streamingrr8r?r openai_response_to_a2a_response) rBrrrrrAr!a2a_provider_configr&rG a2a_responses r7rIz/A2ACompletionBridgeHandler.handle_non_streamingvs0&4%7%78M%N))A)U)U$7$((1*  #.##$GI\]0EE)!%#1(; F$>#V#V) 3 $W$ !; G GHY ZZ@__! LjY7"[s$A+C-C.6C$C%4CCcK|jd}|sctj||jd}|;tjd||j |||||23d{}|t ||jdi} tj||||d } tj| } | tj| d d d } | tj| d{} d}d}| 23d{}|dz }d}|Yt|drM|jrA|jd}t|dr&|jr|jj xsd}|sn||z }t76y77v6|rtj"| |}|tj| dd }|tjd||yw)a Handle streaming A2A request via litellm.acompletion with stream=True. Emits proper A2A streaming events: 1. Task event (kind: "task") - Initial task with status "submitted" 2. Status update (kind: "status-update") - Status "working" 3. Artifact update (kind: "artifact-update") - Content delivery 4. Status update (kind: "status-update") - Final "completed" status Args: request_id: A2A JSON-RPC request ID params: A2A MessageSendParams containing the message litellm_params: Agent's litellm_params (custom_llm_provider, model, etc.) api_base: API base URL from agent_card_params agent_extra_headers: Per-request headers (from x-a2a-{agent}-* rewrite and admin extra_headers) to forward on the upstream HTTP call. Yields: A2A streaming response events r!r"rDNz-A2A: Using provider config for %s (streaming)rEr )rB input_messageTrFworkingFzProcessing request...)ctxstatefinal message_textrchoicesdelta)rPtext completed)rPrQrRzCA2A completion bridge streaming completed: request_id=%s, chunks=%s)r+r rHr r.handle_streamingr rr8r create_task_eventcreate_status_update_eventr?hasattrrVrWcontentcreate_artifact_update_event)rBrrrrrAr!rKchunkrPr& task_event working_eventrGaccumulated_text chunk_countr^choiceartifact_eventcompleted_events r7rZz+A2ACompletionBridgeHandler.handle_streamings*<&4%7%78M%N))A)U)U$7$((1*  #.##$SUhi#6#G#G)!%#1(; $H$  % K )! **Y3  $>#V#V) 3 $W$ >OOPST  A[[0  !; G GHY ZZ # , ,% 1 KG WUI%>5==q)67+ $ll228bG G+ o $<[ ,8 $E$b$b%%N! "C!]!]"   QS]_j scA(G*F.E?/F2BGF G FFFA%G9G?FGFAGNN)__name__ __module__ __qualname____doc__ staticmethoddictstrrrboolobjectr8rrr?rIrrZr;r7rr,s;!S#X;!S);!*;!%S#X.5 ;!  ;! f ;!;!z9gc6k.B9}WjGj99  $59 <,1<<S&[!<S#X<* < "#s(^d2 <%)< c6k <<| $59 r ,1r r S#Xr S#Xr * r "#s(^d2 r %)r  tCK( )r r rrrrBrrrrrcRKtj|||||d{S7w)z6Convenience function for non-streaming A2A completion.rBrrrrN)rrIrts r7handle_a2a_completionru,s:,@@%/ A  r@cdKtj|||||23d{}|7 6yw)z2Convenience function for streaming A2A completion.rtN)rrZ)rBrrrrr`s r7handle_a2a_completion_streamingrw=sI2BB%/ Ce s0.,.0.0rh)!rlcollections.abcrrrrtypingrrr=litellm._loggingr =litellm.a2a_protocol.litellm_completion_bridge.transformationr r -litellm.a2a_protocol.providers.config_managerr !litellm.interactions.agents.utilsr ,litellm.litellm_core_utils.streaming_handlerrlitellm.types.utilsrr__annotations__ frozensetrrrornrqrurwr;rrr7rsZ HG+SAL- &EUD&# E| | H 15  f f%Dj  c3h$.   #v+ * 15  f f%Dj  c3h$.  4V $% rr