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PromptTemplate(template: str)
A prompt template for creating prompts with placeholders.
The PromptTemplate
class allows users to define a template string with
placeholders represented in curly braces {placeholder}
. The placeholder
names cannot contain spaces. These placeholders can be replaced with specific
values using the assemble
method, providing flexibility in generating
dynamic prompts.
Example Usage:
```
template_str = "Hello, {name}! Today is {day}. How are you?"
prompt_template = PromptTemplate(template_str)
completed_prompt = prompt_template.assemble(name="John", day="Monday")
print(completed_prompt)
```
A set of placeholder names from the template string.
Methods
PromptTemplate
PromptTemplate(template: str)
Initializes the PromptTemplate with a given template.
Parameter | |
---|---|
Name | Description |
template |
str
The template string with placeholders. Placeholders should be represented in curly braces |
__repr__
__repr__() -> str
Returns a string representation of the PromptTemplate.
__str__
__str__() -> str
Returns the template string.
assemble
assemble(**kwargs) -> vertexai.preview.evaluation.prompt_template.PromptTemplate
Replaces only the provided placeholders in the template with specific values.