#!/bin/bash
CHAT_INIT_PROMPT = " You are ChatGPT, a Large Language Model trained by OpenAI. You will be answering questions from users. You answer as concisely as possible for each response (e.g. don’t be verbose). If you are generating a list, do not have too many items. Keep the number of items short. Before each user prompt you will be given the chat history in Q&A form. Output your answer directly, with no labels in front. Do not start your answers with A or Anwser. You were trained on data up until 2021. Today's date is $( date +%d/%m/%Y) "
CHATGPT_CYAN_LABEL = "\n\033[36mchatgpt \033[0m"
# Error handling function
# $1 should be the response body
handle_error( ) {
if echo " $1 " | jq -e '.error' >/dev/null; then
echo -e " Your request to Open AI API failed: \033[0;31m $( echo $1 | jq -r '.error.type' ) \033[0m "
echo $1 | jq -r '.error.message'
exit 1
fi
}
# request to OpenAI API completetions endpoint function
# $1 should be the request prompt
request_to_completions( ) {
request_prompt = $1
response = $( curl https://api.openai.com/v1/completions \
-sS \
-H 'Content-Type: application/json' \
-H " Authorization: Bearer $OPENAI_KEY " \
-d ' {
"model" : "'" $MODEL "'" ,
"prompt" : "'" ${ request_prompt } "'" ,
"max_tokens" : '$MAX_TOKENS' ,
"temperature" : '$TEMPERATURE'
} ' )
}
# request to OpenAI API image generations endpoint function
# $1 should be the prompt
request_to_image( ) {
prompt = $1
image_response = $( curl https://api.openai.com/v1/images/generations \
-sS \
-H 'Content-Type: application/json' \
-H " Authorization: Bearer $OPENAI_KEY " \
-d ' {
"prompt" : "'" ${ prompt #*image : } "'" ,
"n" : 1,
"size" : "'" $SIZE "'"
} ' )
}
# build chat context before each request
# $1 should be the chat context
# $2 should be the escaped prompt
build_chat_context( ) {
chat_context = $1
escaped_prompt = $2
if [ -z " $chat_context " ] ; then
chat_context = " $CHAT_INIT_PROMPT \nQ: $escaped_prompt "
else
chat_context = " $chat_context \nQ: $escaped_prompt "
fi
request_prompt = " ${ chat_context // $'\n' / \\ n } "
}
# maintain chat context function, builds cc from response,
# keeps chat context length under max token limit
# $1 should be the chat context
# $2 should be the response data (only the text)
maintain_chat_context( ) {
chat_context = $1
response_data = $2
# add response to chat context as answer
chat_context = " $chat_context ${ chat_context : + \n } \nA: ${ response_data // $'\n' / \\ n } "
# check prompt length, 1 word =~ 1.3 tokens
# reserving 100 tokens for next user prompt
while ( ( $( echo " $chat_context " | wc -c) * 1, 3 > ( MAX_TOKENS - 100) ) ) ; do
# remove first/oldest QnA from prompt
chat_context = $( echo " $chat_context " | sed -n '/Q:/,$p' | tail -n +2)
# add init prompt so it is always on top
chat_context = " $CHAT_INIT_PROMPT $chat_context "
done
}
# parse command line arguments
while [ [ " $# " -gt 0 ] ] ; do
case $1 in
-i | --init-prompt)
CHAT_INIT_PROMPT = " $2 "
CONTEXT = true
shift
shift
; ;
--init-prompt-from-file)
CHAT_INIT_PROMPT = $( cat " $2 " )
CONTEXT = true
shift
shift
; ;
-p | --prompt)
prompt = " $2 "
shift
shift
; ;
--prompt-from-file)
prompt = $( cat " $2 " )
shift
shift
; ;
-t | --temperature)
TEMPERATURE = " $2 "
shift
shift
; ;
--max-tokens)
MAX_TOKENS = " $2 "
shift
shift
; ;
-m | --model)
MODEL = " $2 "
shift
shift
; ;
-s | --size)
SIZE = " $2 "
shift
shift
; ;
-c | --chat-context)
CONTEXT = true
shift
shift
; ;
*)
echo " Unknown parameter: $1 "
exit 1
; ;
esac
done
# set defaults
TEMPERATURE = ${ TEMPERATURE :- 0 .7 }
MAX_TOKENS = ${ MAX_TOKENS :- 1024 }
MODEL = ${ MODEL :- text -davinci-003 }
SIZE = ${ SIZE :- 512x512 }
CONTEXT = ${ CONTEXT :- false }
# create history file
if [ ! -f ~/.chatgpt_history ] ; then
touch ~/.chatgpt_history
chmod a+rw ~/.chatgpt_history
fi
running = true
# check input source
# if prompt already entered, run on pipe mode (run once, no chat)
# prompt from pipe
if [ -p /dev/stdin ] ; then
pipe_mode_prompt += $( cat -)
# prompt from argument
elif [ -n " $prompt " ] ; then
pipe_mode_prompt = ${ prompt }
else
echo -e "Welcome to chatgpt. You can quit with '\033[36mexit\033[0m'."
fi
while $running ; do
if [ -z " $pipe_mode_prompt " ] ; then
echo -e "\nEnter a prompt:"
read prompt
else
# set vars for pipe mode
prompt = ${ pipe_mode_prompt }
running = false
CHATGPT_CYAN_LABEL = ""
fi
if [ " $prompt " = = "exit" ] ; then
running = false
elif [ [ " $prompt " = ~ ^image: ] ] ; then
request_to_image " $prompt "
handle_error " $image_response "
image_url = $( echo $image_response | jq -r '.data[0].url' )
echo -e " ${ CHATGPT_CYAN_LABEL } Your image was created. \n\nLink: ${ image_url } \n "
if [ [ " $TERM_PROGRAM " = = "iTerm.app" ] ] ; then
curl -sS $image_url -o temp_image.png
imgcat temp_image.png
rm temp_image.png
else
echo "Would you like to open it? (Yes/No)"
read answer
if [ " $answer " = = "Yes" ] || [ " $answer " = = "yes" ] || [ " $answer " = = "y" ] || [ " $answer " = = "Y" ] || [ " $answer " = = "ok" ] ; then
open " ${ image_url } "
fi
fi
elif [ [ " $prompt " = = "history" ] ] ; then
echo -e " \n $( cat ~/.chatgpt_history) "
elif [ [ " $prompt " = = "models" ] ] ; then
models_response = $( curl https://api.openai.com/v1/models \
-sS \
-H " Authorization: Bearer $OPENAI_KEY " )
handle_error " $models_response "
models_data = $( echo $models_response | jq -r -C '.data[] | {id, owned_by, created}' )
echo -e " ${ CHATGPT_CYAN_LABEL } This is a list of models currently available at OpenAI API:\n ${ models_data } "
elif [ [ " $prompt " = ~ ^model: ] ] ; then
models_response = $( curl https://api.openai.com/v1/models \
-sS \
-H " Authorization: Bearer $OPENAI_KEY " )
handle_error " $models_response "
model_data = $( echo $models_response | jq -r -C '.data[] | select(.id=="' " ${ prompt #*model : } " '")' )
echo -e " ${ CHATGPT_CYAN_LABEL } Complete details for model: ${ prompt #*model : } \n ${ model_data } "
else
# escape quotation marks
escaped_prompt = $( echo " $prompt " | sed 's/"/\\"/g' )
# escape new lines
request_prompt = ${ escaped_prompt // $'\n' / ' ' }
if [ " $CONTEXT " = true ] ; then
build_chat_context " $chat_context " " $escaped_prompt "
fi
request_to_completions " $request_prompt "
handle_error " $response "
response_data = $( echo $response | jq -r '.choices[].text' | sed '1,2d; s/^A://g' )
echo -e " ${ CHATGPT_CYAN_LABEL } ${ response_data } "
if [ " $CONTEXT " = true ] ; then
maintain_chat_context " $chat_context " " $response_data "
fi
timestamp = $( date +"%d/%m/%Y %H:%M" )
echo -e " $timestamp $prompt \n $response_data \n " >>~/.chatgpt_history
fi
done