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Author SHA1 Message Date
Lincoln Stein
2a179799d8 add a simple parameter scanning script to the scripts directory
Simple script to generate a file of InvokeAI prompts and settings
that scan across steps and other parameters.

To use, create a file named "template.yaml" (or similar) formatted like this
>>> cut here <<<
steps: "30:50:1"
seed: 50
cfg:
  - 7
  - 8
  - 12
sampler:
  - ddim
  - k_lms
prompt:
  - a sunny meadow in the mountains
  - a gathering storm in the mountains
>>> cut here <<<

Create sections named "steps", "seed", "cfg", "sampler" and "prompt".
- Each section can have a constant value such as this:
     steps: 50
- Or a range of numeric values in the format:
     steps: "<start>:<stop>:<step>"
- Or a list of values in the format:
     - value1
     - value2
     - value3

Be careful to: 1) put quotation marks around numeric ranges; 2) put a
space between the "-" and the value in a list of values; and 3) use spaces,
not tabs, at the beginnings of indented lines.

When you run this script, capture the output into a text file like this:

    python generate_param_scan.py template.yaml > output_prompts.txt

"output_prompts.txt" will now contain an expansion of all the list
values you provided. You can examine it in a text editor such as
Notepad.

Now start the CLI, and feed the expanded prompt file to it using the
"!replay" command:

   !replay output_prompts.txt

Alternatively, you can directly feed the output of this script
by issuing a command like this from the developer's console:

   python generate_param_scan.py template.yaml | invokeai

You can use the web interface to view the resulting images and their
metadata.
2023-02-27 17:30:57 -05:00