Placeholder-Replacer-By-ID

Overview

PlaceholderReplacerByID is a utility node designed to automate prompt assembly when working with artist IDs, style IDs, or any mapping of numbers → text labels.

The node takes:

• A list of prompt templates

• A list of ID values

• A mapping of ID → artist/style name

• Optional automation controls

It then replaces a literal placeholder token (e.g., [a1]) inside each prompt with the artist name corresponding to the ID for that slot.

It supports:

• Multi-prompt workflows

• Auto-incremented IDs

• Manual ID overrides

• Mirroring the first prompt or first ID

• Safe handling of missing or invalid IDs

Output includes:

• The resolved prompts

• Debug information

• A compact list of primary IDs + artist names

Features

1. Literal placeholder replacement

You define the placeholder token (default: [a1]). For each prompt slot, the node replaces it with the mapped artist name.

2. Multi-slot prompt processing

You may include multiple prompts inside prompt_list, separated by a custom delimiter (default: ;;;;;).

3. Flexible ID handling

The node supports three strategies:

• Normal mode

IDs come from the id_sequences list—one ID per prompt slot.

• Auto-Step IDs

Automatically generate IDs from a base value:

base, base+1, base+2, ...

• Manual IDs mode

Force IDs per slot using manual_ids_list. If a slot is missing an override, it is assigned "NOT_FOUND" safely.

4. Mirror modes

• Mirror First Prompt: use the first prompt string for all slots.

• Mirror First ID: use the first ID for all slots.

5. Debugging & introspection

Outputs full processing logs and a summary of final ID→name pairs.

| Input | Type | Description | | ----------------------- | -------- | ---------------------------------------------------------- | | id_sequences | INT_LIST | The ID list for slots. One entry per prompt. | | prompt_list | STRING | One or more templates separated by prompt_delimiter. | | term_mappings | STRING | Lines formatted as 1_artistName. | | mirror_first_prompt | BOOLEAN | Use the first template for all slots. | | auto_step_ids | BOOLEAN | Generate IDs automatically starting from increment_base. | | manual_ids | BOOLEAN | Fully override slot IDs using manual_ids_list. | | mirror_first_id | BOOLEAN | Copy the first ID to all slots. | | manual_ids_list | STRING | ID values separated by ; for manual override. | | increment_base | INT | Starting value for auto-step IDs. | | placeholder_token | STRING | Literal token inside templates to replace. | | prompt_delimiter | STRING | Separator for splitting prompt templates. |

Outputs

| Output | Description | | -------------------- | --------------------------------------------------------------- | | resolved_prompts | All processed prompts, joined using ;;;;;. | | debug_info | Text log of intermediate steps, applied rules, and parsed data. | | primary_ids | A ;-separated list of ID_name or NOT_FOUND. |

Basic Example

Setup

Prompts

[a1] in watercolor style;;;;;[a1] in oil-painting style

Term mappings

1_van_gogh
2_monet
3_vermeer

ID list

1,2

Placeholder

[a1]

Result

Slot 1: ID=1 → “van_gogh” Slot 2: ID=2 → “monet”

Output

van_gogh in watercolor style;;;;;monet in oil-painting style

Example: Auto-step IDs

Inputs

• auto_step_ids = True
• increment_base = 5
• 3 prompts

Auto-generated IDs become:

5, 6, 7

If the placeholder is [a1], each prompt is filled with:

• Slot 1 → name for ID 5
• Slot 2 → name for ID 6
• Slot 3 → name for ID 7

Example: Manual ID Override

manual_ids = True

manual_ids_list = "1;3"

If you have 4 prompt slots, final IDs become:
[1], [3], ["NOT_FOUND"], ["NOT_FOUND"]

Prompts referring to "NOT_FOUND" produce literal "NOT_FOUND" or an empty replacement if placeholder has no match.

Term Mapping Format

Each line must be:

ID_artistName

Examples:

14_krenz
21_shigenori_soejima
30_claude_monet

Typical Workflow

1. Fill prompt_list with multiple templates separated by ;;;;;.

2. Provide ID list in id_sequences.

3. Paste your artist mapping list.

4. Define the literal placeholder token (e.g. [a1]).

5. Optionally enable mirror modes, auto-step, or manual-ID override.

6. Connect the output to your text prompt pipeline.