Hayden Johnson
4d6e431563
This commit introduces several improvements and new features to the AI Assistant: - **Refactored code:** Improved code structure and readability. - **Added clipboard functionality:** Implemented a `/copy` command to copy code blocks to the clipboard. - **Improved command parsing:** Added a `/copy` command to copy code blocks to the clipboard. - **Enhanced error handling:** Added error handling for clipboard operations. - **Improved documentation:** Updated documentation to reflect changes.
347 lines
12 KiB
Python
347 lines
12 KiB
Python
#!/bin/python
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# AI Assistant in the terminal
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import argparse
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import os
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import sys
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import json
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from ollama import Client
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import re
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import pyperclip
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import pygments
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from pygments.lexers import get_lexer_by_name, guess_lexer
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from pygments.formatters import TerminalFormatter
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from prompt_toolkit.key_binding import KeyBindings
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from prompt_toolkit import PromptSession
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class AIAssistant:
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def __init__(self, server="http://localhost:11434", model="gemma3:12b"):
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self.server = server
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self.model = model
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self.client = Client(host=self.server)
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self.temperature = 0.2
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self.num_ctx = 4096
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self.history = [self.system_prompt()]
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def set_host(self, host):
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self.server = host
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self.client = Client(host=host)
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def system_prompt(self):
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return {"role": "system", "content": "You are a helpful, smart, kind, and efficient AI assistant. You always fulfill the user's requests accurately and concisely."}
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def load_history(self):
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path = os.environ.get('HOME') + '/.cache/ai-assistant.history'
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try:
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with open(path, 'r') as f:
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self.history = json.load(f)
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except FileNotFoundError:
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pass
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def save_history(self):
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path = os.environ.get('HOME') + '/.cache/ai-assistant.history'
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with open(path, 'w+') as f:
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json.dump(self.history, f)
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def determine_lexer(self, code_block):
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lexer_name = None
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lines = code_block.split('\n')
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for line in lines:
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if line.strip().startswith('```'):
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lexer_part = line.strip().split('```')[1].strip()
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if lexer_part:
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lexer_name = lexer_part
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break
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elif line.strip().startswith('lang:'):
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lexer_part = line.strip().split(':')[1].strip()
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if lexer_part:
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lexer_name = lexer_part
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break
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return lexer_name
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def highlight_code(self, lexer_name, code):
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try:
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lexer = get_lexer_by_name(lexer_name) if lexer_name else guess_lexer(code)
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except ValueError:
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lexer = guess_lexer('\n'.join(code.split('\n')[1:-1]))
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if not lexer:
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lexer = get_lexer_by_name('bash')
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formatter = TerminalFormatter()
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highlighted_code = pygments.highlight(code, lexer, formatter)
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return highlighted_code
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def chat(self, message, stream=True):
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self.history.append({"role": "user", "content": message})
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completion = self.client.chat(
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model=self.model,
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options={"temperature": self.temperature, "num_ctx": self.num_ctx},
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messages=self.history,
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stream=stream
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)
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result = ''
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all_chunks = []
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large_chunk = []
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language = None
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if stream:
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for chunk in completion:
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text = chunk['message']['content']
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large_chunk.append(text)
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all_chunks.append(text)
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large_text = ''.join(large_chunk)
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if ('```' in large_text) and ('\n' in large_text.split('```')[1]):
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language = large_text.split('```')[1].split('\n')[0]
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large_chunk = []
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if language == '':
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print(large_text, end='', flush=True)
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language = None
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if language and ('\n' in large_text) and large_chunk:
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output = self.highlight_code(language, large_text)
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print(output, end='', flush=True)
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large_chunk = []
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elif not language or not large_chunk:
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print(text, end='', flush=True)
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result = ''.join(all_chunks)
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else:
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result = completion['message']['content']
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self.history.append({"role": 'assistant', 'content': result})
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self.save_history()
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return result
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class CommandLineParser:
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def __init__(self):
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self.parser = argparse.ArgumentParser(description='Chat with an intelligent assistant')
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self.add_arguments()
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def add_arguments(self):
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parser = self.parser
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parser.add_argument('--host', nargs='?', const=True, default=False, help='Specify host of Ollama server')
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parser.add_argument('--model', '-m', nargs='?', const=True, default=False, help='Specify model')
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parser.add_argument('--temp', '-t', nargs='?', type=float, const=0.2, default=False, help='Specify temperature')
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parser.add_argument('--context', type=int, default=4096, help='Specify context size')
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parser.add_argument('--reasoning', '-r', action='store_true', help='Use the default reasoning model deepseek-r1:14b')
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parser.add_argument('--new', '-n', action='store_true', help='Start a chat with a fresh history')
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parser.add_argument('--follow-up', '-f', nargs='?', const=True, default=False, help='Ask a follow up question when piping in context')
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parser.add_argument('--copy', '-c', action='store_true', help='Copy a codeblock if it appears')
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parser.add_argument('--shell', '-s', nargs='?', const=True, default=False, help='Output a shell command that does as described')
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def parse(self):
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return self.parser.parse_args()
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# Keybindings
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bindings = KeyBindings()
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@bindings.add('c-d')
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def _(event):
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event.current_buffer.validate_and_handle()
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class InputHandler:
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def __init__(self, assistant, command_parser):
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self.assistant = assistant
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self.command_parser = command_parser
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self.command_parser.assistant = assistant
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self.command_parser.input_handler = self
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self.session = PromptSession(multiline=True, prompt_continuation='', key_bindings=bindings)
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def handle_input(self, args):
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if not sys.stdin.isatty():
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self.handle_piped_input(args)
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else:
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self.handle_interactive_input(args)
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def copy_string_to_clipboard(self, s):
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try:
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pyperclip.copy(s)
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except:
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return
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def handle_piped_input(self, args):
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all_input = sys.stdin.read()
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query = f'Use the following context to answer the question. There will be no follow up questions from the user so make sure your answer is complete:\n{all_input}\n'
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if args.copy:
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query += 'Answer the question using a codeblock for any code or shell scripts\n'
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if args.follow_up:
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second_input = self.improved_input()
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query += f'\n{second_input}'
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result = self.assistant.chat(query, stream=False)
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blocks = self.extract_code_block(result)
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if args.copy and len(blocks):
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self.copy_string_to_clipboard(blocks[0])
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def arg_shell(self, args):
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query = '''
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Form a shell command based on the following description. Only output a working shell command. Format the command like this: `command`
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Description:\n
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'''
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if type(args.shell) is str:
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query += args.shell
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else:
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query += self.improved_input()
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result = self.assistant.chat(query, stream=False)
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result = blocks[0] if len(blocks := self.extract_code_block(result)) else result
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print(result)
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self.copy_string_to_clipboard(result)
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def handle_interactive_input(self, args):
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if args.shell:
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self.arg_shell(args)
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exit()
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print("\033[91massistant\033[0m: Type your message (press Ctrl+D to send):")
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while True:
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try:
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full_input = self.improved_input()
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if full_input is None:
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break
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if full_input.strip() == '':
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continue
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command_result = self.command_parser.parse_commands(full_input)
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if type(command_result) is str:
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self.assistant.chat(command_result)
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print()
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except (EOFError, KeyboardInterrupt):
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print("\nExiting...")
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break
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def improved_input(self, prompt="> "):
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"""
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Returns the full text (including embedded newlines) when you press Ctrl-D.
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Arrow keys edit within or across lines automatically.
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"""
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try:
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text = self.session.prompt(prompt)
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return text
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except KeyboardInterrupt:
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print("\nUser aborted input")
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return None
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def extract_code_block(self, text, highlight=True):
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pattern = r'```[a-z]*\n[\s\S]*?\n```'
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code_blocks = []
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matches = re.finditer(pattern, text)
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for match in matches:
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code_block = match.group(0)
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if highlight:
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lexer_name = self.assistant.determine_lexer(code_block)
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highlighted_code = self.assistant.highlight_code(lexer_name, code_block)
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code_blocks.append(highlighted_code)
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else:
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code_blocks.append(code_block)
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if not code_blocks:
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line_pattern = r'`[a-z]*[\s\S]*?`'
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line_matches = re.finditer(line_pattern, text)
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for match in line_matches:
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code_block = match.group(0)
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code_blocks.append(code_block[1:-1])
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return code_blocks
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class CommandParser:
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def __init__(self):
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self.commands = {
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'/save': self.handle_save,
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'/clear': self.handle_clear,
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'/clipboard': None,
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'/exit': self.handle_exit,
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'/copy': self.handle_copy
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}
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def parse_commands(self, text):
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"""
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Parses the given text to check if it contains a recognized command.
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If the command is standalone returns True.
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If the command requires passing the text through a string handler (e.g., /clipboard), returns the result of that handler as a string.
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Otherwise, returns text if no command is recognized.
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Args:
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text: The input text to parse.
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Returns:
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True if the command is standalone
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A string containing the result of the command handler if the command is not standalone.
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"""
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tokens = text.split(' ')
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if not tokens:
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return False
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command = tokens[0]
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if command in self.commands:
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handler = self.commands[command]
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if len(tokens) > 1 and command == '/clipboard':
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context_query = '\n\nThe following is context provided by the user:\n'
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clipboard_content = pyperclip.paste()
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if clipboard_content:
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context_query += clipboard_content + '\n' + text
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return context_query
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else:
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return handler()
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return text
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def handle_save(self):
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filename = input('Enter filename to save conversation: ')
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self.save_conversation(filename)
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return True
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def save_conversation(self, filename='conversation.md'):
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# TODO finish this
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if not filename.endswith('.md'):
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filename += '.md'
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base, extension = os.path.splitext(filename)
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i = 1
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while os.path.exists(filename):
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filename = f"{base}_{i}{extension}"
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i += 1
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with open(filename, 'w') as f:
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f.write(conversation)
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def handle_clear(self):
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self.assistant.history = [self.assistant.system_prompt()]
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self.assistant.save_history()
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return True
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def handle_copy(self):
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blocks = self.input_handler.extract_code_block(self.assistant.history[-1]['content'], highlight=False)
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if len(blocks):
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block = '\n'.join(blocks[0].split('\n')[1:-1])
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self.input_handler.copy_string_to_clipboard(block)
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return True
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def handle_exit(self):
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sys.exit(0)
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def main():
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args = CommandLineParser().parse()
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assistant = AIAssistant()
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if args.host:
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assistant.set_host(args.host)
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if args.model:
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assistant.model = args.model
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if args.temp:
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assistant.temperature = args.temp
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if args.context:
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assistant.num_ctx = args.context
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if args.new:
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assistant.history = [assistant.system_prompt()]
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assistant.save_history()
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else:
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assistant.load_history()
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command_parser = CommandParser()
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input_handler = InputHandler(assistant, command_parser)
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input_handler.handle_input(args)
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if __name__ == '__main__':
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main()
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