Files
AI-Video/pixelle_video/utils/prompt_helper.py
2025-11-07 16:59:47 +08:00

51 lines
1.4 KiB
Python

# Copyright (C) 2025 AIDC-AI
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Prompt helper utilities
Simple utilities for building prompts with optional prefixes.
"""
def build_image_prompt(prompt: str, prefix: str = "") -> str:
"""
Build final image prompt with optional prefix
Args:
prompt: User's raw prompt
prefix: Optional prefix to add before the prompt
Returns:
Final prompt with prefix applied (if provided)
Examples:
>>> build_image_prompt("a cat", "")
'a cat'
>>> build_image_prompt("a cat", "anime style")
'anime style, a cat'
>>> build_image_prompt("a cat", " anime style ")
'anime style, a cat'
"""
prefix = prefix.strip() if prefix else ""
prompt = prompt.strip() if prompt else ""
if prefix and prompt:
return f"{prefix}, {prompt}"
elif prefix:
return prefix
else:
return prompt