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Better Qwen2.5-VL chat template. #2066

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Better Qwen2.5-VL chat template. #2066

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74 changes: 47 additions & 27 deletions llama_cpp/llama_chat_format.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3465,33 +3465,53 @@ class Qwen25VLChatHandler(Llava15ChatHandler):
DEFAULT_SYSTEM_MESSAGE = "You are a helpful assistant."

CHAT_FORMAT = (
#"{% set image_count = namespace(value=0) %}"
#"{% set video_count = namespace(value=0) %}"
"{% for message in messages %}"
"{% if loop.first and message['role'] != 'system' %}"
"<|im_start|>system\n"
"{{ self.DEFAULT_SYSTEM_MESSAGE }}<|im_end|>\n"
"{% endif %}"
"<|im_start|>{{ message['role'] }}\n"
"{% if message['content'] is string %}"
"{{ message['content'] }}<|im_end|>\n"
"{% else %}"
"{% for content in message['content'] %}"
"{% if content['type'] == 'image_url' %}"
"{% if content.image_url is string %}"
"{{ content.image_url }}"
"{% else %}"
"{{ content.image_url.url }}"
"{% endif %}"
#"{% set image_count.value = image_count.value + 1 %}"
"{% elif content['type'] == 'text' %}"
"{{ content['text'] }}"
"{% endif %}"
"{% endfor %}"
"<|im_end|>\n"
"{% endif %}"
"{% endfor %}"
"<|im_start|>assistant\n"
"{%- set image_count = namespace(value=0) -%}"
"{%- for message in messages -%}"
"{%- if loop.first and message[\"role\"] != \"system\" -%}"
"{{- \"<|im_start|>system\nYou are a helpful assistant.<|im_end|>\n\" -}}"
"{%- endif -%}"
"{{- \"<|im_start|>\" -}}"
"{{- message[\"role\"] -}}"
"{{- \"\n\" -}}"
"{%- if message[\"content\"] is string -%}"
"{{- message[\"content\"] -}}"
"{{- \"<|im_end|>\n\" -}}"
"{%- else -%}"
"{%- for content in message[\"content\"] -%}"
"{%- if content[\"type\"] == \"image\" or \"image\" in content -%}"
"{%- set image_count.value = image_count.value + 1 -%}"
"{%- if add_vision_id -%}"
"{{- \"Picture \" -}}"
"{{- image_count.value -}}"
"{{- \": \" -}}"
"{%- endif -%}"
"{{- \"<|vision_start|>\" -}}"
"{{- content.image -}}"
"{{- \"<|vision_end|>\" -}}"
"{%- elif content[\"type\"] == \"image_url\" or \"image_url\" in content -%}"
"{%- set image_count.value = image_count.value + 1 -%}"
"{%- if add_vision_id -%}"
"{{- \"Picture \" -}}"
"{{- image_count.value -}}"
"{{- \": \" -}}"
"{%- endif -%}"
"{{- \"<|vision_start|>\" -}}"
"{%- if content.image_url is string -%}"
"{{- content.image_url -}}"
"{%- else -%}"
"{{- content.image_url.url -}}"
"{%- endif -%}"
"{{- \"<|vision_end|>\" -}}"
"{%- elif \"text\" in content -%}"
"{{- content[\"text\"] -}}"
"{%- endif -%}"
"{%- endfor -%}"
"{{- \"<|im_end|>\n\" -}}"
"{%- endif -%}"
"{%- endfor -%}"
"{%- if add_generation_prompt -%}"
"{{- \"<|im_start|>assistant\n\" -}}"
"{%- endif -%}"
)

def __call__(self, **kwargs):
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