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Pantheon-Reasoning-27B

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Pantheon-Reasoning-27B
File size: 12,015 Bytes
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{%- set image_count = namespace(value=0) %}

{%- set video_count = namespace(value=0) %}

{%- macro render_content(content, do_vision_count, is_system_content=false) %}

    {%- if content is string %}

        {{- content }}

    {%- elif content is iterable and content is not mapping %}

        {%- for item in content %}

            {%- if 'image' in item or 'image_url' in item or item.type == 'image' %}

                {%- if is_system_content %}

                    {{- raise_exception('System message cannot contain images.') }}

                {%- endif %}

                {%- if do_vision_count %}

                    {%- set image_count.value = image_count.value + 1 %}

                {%- endif %}

                {%- if add_vision_id is defined and add_vision_id %}

                    {{- 'Picture ' ~ image_count.value ~ ': ' }}

                {%- endif %}

                {{- '<|vision_start|><|image_pad|><|vision_end|>' }}

            {%- elif 'video' in item or item.type == 'video' %}

                {%- if is_system_content %}

                    {{- raise_exception('System message cannot contain videos.') }}

                {%- endif %}

                {%- if do_vision_count %}

                    {%- set video_count.value = video_count.value + 1 %}

                {%- endif %}

                {%- if add_vision_id is defined and add_vision_id %}

                    {{- 'Video ' ~ video_count.value ~ ': ' }}

                {%- endif %}

                {{- '<|vision_start|><|video_pad|><|vision_end|>' }}

            {%- elif 'text' in item %}

                {{- item.text }}

            {%- else %}

                {{- raise_exception('Unexpected item type in content.') }}

            {%- endif %}

        {%- endfor %}

    {%- elif content is none or content is undefined %}

        {{- '' }}

    {%- else %}

        {{- raise_exception('Unexpected content type.') }}

    {%- endif %}

{%- endmacro %}

{%- set ns_flags = namespace(enable_thinking=true) %}

{%- if enable_thinking is defined %}

    {%- set ns_flags.enable_thinking = enable_thinking %}

{%- endif %}

{%- set preserve_thinking = preserve_thinking | default(true) %}

{%- if not messages %}

    {{- raise_exception('No messages provided.') }}

{%- endif %}

{%- if add_generation_prompt is defined and add_generation_prompt and continue_final_message is defined and continue_final_message %}

    {{- raise_exception('add_generation_prompt and continue_final_message cannot both be true.') }}

{%- endif %}

{%- if tools and tools is iterable and tools is not mapping %}

    {{- '<|im_start|>system\n' }}

    {{- "# Tools\n\nYou have access to the following functions:\n\n<tools>" }}

    {%- for tool in tools %}

        {{- "\n" }}

        {{- tool | tojson }}

    {%- endfor %}

    {{- "\n</tools>" }}

    {{- '\n\nIf you choose to call a function ONLY reply in the following format with NO suffix:\n\n<tool_call>\n<function=example_function_name>\n<parameter=example_parameter_1>\nvalue_1\n</parameter>\n<parameter=example_parameter_2>\nThis is the value for the second parameter\nthat can span\nmultiple lines\n</parameter>\n</function>\n</tool_call>\n\n<IMPORTANT>\nReminder:\n- Function calls MUST follow the specified format: an inner <function=...></function> block must be nested within <tool_call></tool_call> XML tags\n- Required parameters MUST be specified\n- You may provide optional reasoning for your function call in natural language BEFORE the function call, but NOT after\n- If there is no function call available, answer the question like normal with your current knowledge and do not tell the user about function calls\n</IMPORTANT>' }}

    {%- if messages[0].role == 'system' or messages[0].role == 'developer' %}

        {%- set content = render_content(messages[0].content, false, true)|trim %}

        {%- if '<|think_off|>' in content %}

            {%- set ns_flags.enable_thinking = false %}

            {%- set content = content.replace('<|think_off|>', '') %}

        {%- endif %}

        {%- if '<|think_on|>' in content %}

            {%- set ns_flags.enable_thinking = true %}

            {%- set content = content.replace('<|think_on|>', '') %}

        {%- endif %}

        {%- set content = content.strip() %}

        {%- if content %}

            {{- '\n\n' + content }}

        {%- endif %}

    {%- endif %}

    {{- '<|im_end|>\n' }}

{%- else %}

    {%- if messages[0].role == 'system' or messages[0].role == 'developer' %}

        {%- set content = render_content(messages[0].content, false, true)|trim %}

        {%- if '<|think_off|>' in content %}

            {%- set ns_flags.enable_thinking = false %}

            {%- set content = content.replace('<|think_off|>', '') %}

        {%- endif %}

        {%- if '<|think_on|>' in content %}

            {%- set ns_flags.enable_thinking = true %}

            {%- set content = content.replace('<|think_on|>', '') %}

        {%- endif %}

        {%- set content = content.strip() %}

        {{- '<|im_start|>system\n' + content + '<|im_end|>\n' }}

    {%- endif %}

{%- endif %}

{%- set ns = namespace(multi_step_tool=true, last_query_index=messages|length - 1) %}

{%- for message in messages[::-1] %}

    {%- set index = (messages|length - 1) - loop.index0 %}

    {%- if ns.multi_step_tool and message.role == "user" %}

        {%- set content = render_content(message.content, false)|trim %}

        {%- if not(content.startswith('<tool_response>') and content.endswith('</tool_response>')) %}

            {%- set ns.multi_step_tool = false %}

            {%- set ns.last_query_index = index %}

        {%- endif %}

    {%- endif %}

{%- endfor %}

{%- if ns.multi_step_tool %}

    {%- set ns.last_query_index = messages|length - 1 %}

{%- endif %}

{%- for message in messages %}

    {%- set content = render_content(message.content, true)|trim %}

    {%- set content = content.replace('<|think_off|>', '').replace('<|think_on|>', '') %}

    {%- set content = content.strip() %}

    {%- if message.role == "system" or message.role == "developer" %}

        {%- if not loop.first %}

            {%- set sys_content = render_content(message.content, false, true)|trim %}

            {%- set sys_content = sys_content.replace('<|think_off|>', '').replace('<|think_on|>', '')|trim %}

            {{- '<|im_start|>system\n' + sys_content + '<|im_end|>' + '\n' }}

        {%- endif %}

    {%- elif message.role == "user" %}

        {{- '<|im_start|>' + message.role + '\n' + (content if content else ' ') + '<|im_end|>' + '\n' }}

    {%- elif message.role == "assistant" %}

        {%- set reasoning_content = '' %}

        {%- if message.reasoning_content is string %}

            {%- set reasoning_content = message.reasoning_content %}

        {%- else %}

            {%- set has_think_tag = false %}

            {%- set think_start_token = '<think>' %}

            {%- set think_end_token = '</think>' %}

            {%- if '</think>' in content %}

                {%- set has_think_tag = true %}

            {%- elif '</thinking>' in content %}

                {%- set has_think_tag = true %}

                {%- set think_start_token = '<thinking>' %}

                {%- set think_end_token = '</thinking>' %}

            {%- elif '<think>' in content %}

                {%- set reasoning_content = content.split('<think>')[-1].lstrip('\n') %}

                {%- set content = '' %}

            {%- elif '<thinking>' in content %}

                {%- set reasoning_content = content.split('<thinking>')[-1].lstrip('\n') %}

                {%- set content = '' %}

            {%- endif %}

            {%- if has_think_tag %}

                {%- set reasoning_content = content.split(think_end_token)[0].rstrip('\n').split(think_start_token)[-1].lstrip('\n') %}

                {%- set content = content.split(think_end_token)[-1].lstrip('\n') %}

            {%- endif %}

        {%- endif %}

        {%- set reasoning_content = reasoning_content|trim %}

        {%- set show_think = false %}

        {%- if loop.index0 > ns.last_query_index and reasoning_content|length > 0 %}

            {%- set show_think = true %}

        {%- elif ns_flags.enable_thinking and preserve_thinking and reasoning_content|length > 0 %}

            {%- set show_think = true %}

        {%- endif %}

        {%- if show_think %}

            {{- '<|im_start|>' + message.role + '\n<think>\n' + reasoning_content + '\n</think>\n\n' + content }}

        {%- else %}

            {{- '<|im_start|>' + message.role + '\n' + content }}

        {%- endif %}

        {%- if message.tool_calls and message.tool_calls is iterable and message.tool_calls is not mapping %}

            {%- for tool_call in message.tool_calls %}

                {%- if tool_call.function is defined %}

                    {%- set tool_call = tool_call.function %}

                {%- endif %}

                {%- if loop.first %}

                    {%- if content|trim %}

                        {{- '\n\n<tool_call>\n<function=' + tool_call.name + '>\n' }}

                    {%- else %}

                        {{- '<tool_call>\n<function=' + tool_call.name + '>\n' }}

                    {%- endif %}

                {%- else %}

                    {{- '\n<tool_call>\n<function=' + tool_call.name + '>\n' }}

                {%- endif %}

                {%- if tool_call.arguments is defined and tool_call.arguments is mapping %}

                    {%- if tool_call.arguments|length > 0 %}

                        {%- for args_name in tool_call.arguments %}

                            {%- set args_value = tool_call.arguments[args_name] %}

                            {{- '<parameter=' + args_name + '>\n' }}

                            {%- set args_value = args_value | string if args_value is string else args_value | tojson %}

                            {{- args_value }}

                            {{- '\n</parameter>\n' }}

                        {%- endfor %}

                    {%- endif %}

                {%- elif tool_call.arguments is defined and tool_call.arguments is string %}

                    {%- if tool_call.arguments|trim|length > 0 %}

                        {#- Note: raw JSON string arguments are emitted as-is and will not match

                            the XML parameter format in the tool instructions. Normalize arguments

                            to a dict in your serving layer before applying this template. -#}

                        {{- tool_call.arguments }}

                        {{- '\n' }}

                    {%- endif %}

                {%- endif %}

                {{- '</function>\n</tool_call>' }}

            {%- endfor %}

        {%- endif %}

        {%- if not (loop.last and continue_final_message is defined and continue_final_message is true) %}

            {{- '<|im_end|>\n' }}

        {%- endif %}

    {%- elif message.role == "tool" %}

        {%- if not loop.previtem or (loop.previtem.role != "tool" and loop.previtem.role != "assistant") %}

            {{- raise_exception('A tool message must follow an assistant or tool message.') }}

        {%- endif %}

        {%- if loop.previtem and loop.previtem.role != "tool" %}

            {{- '<|im_start|>user' }}

        {%- endif %}

        {{- '\n<tool_response>\n' }}

        {{- content }}

        {{- '\n</tool_response>' }}

        {%- if not loop.last and loop.nextitem.role != "tool" %}

            {{- '<|im_end|>\n' }}

        {%- elif loop.last %}

            {{- '<|im_end|>\n' }}

        {%- endif %}

    {%- else %}

        {{- raise_exception('Unexpected message role.') }}

    {%- endif %}

{%- endfor %}

{%- if add_generation_prompt %}

    {{- '<|im_start|>assistant\n' }}

    {%- if ns_flags.enable_thinking is false %}

        {{- '<think>\n\n</think>\n\n' }}

    {%- else %}

        {{- '<think>\n' }}

    {%- endif %}

{%- endif %}