aider/coder.py
2023-04-10 12:45:38 -07:00

334 lines
8.9 KiB
Python
Executable file

#!/usr/bin/env python
# This is a Python script that uses OpenAI's GPT-3 to modify code based on user requests.
import os
import sys
import copy
import random
import json
import re
import readline
import traceback
from tqdm import tqdm
from pathlib import Path
from collections import defaultdict
from pygments import highlight, lexers, formatters
import os
import openai
from dump import dump
import prompts
history_file = '.coder.history'
try:
readline.read_history_file(history_file)
except FileNotFoundError:
pass
formatter = formatters.TerminalFormatter()
openai.api_key = os.getenv("OPENAI_API_KEY")
def find_index(list1, list2):
for i in range(len(list1)):
if list1[i:i+len(list2)] == list2:
return i
return -1
class Coder:
fnames = dict()
def add_file(self, fname):
self.fnames[fname] = Path(fname).stat().st_mtime
def files_modified(self):
for fname,mtime in self.fnames.items():
if Path(fname).stat().st_mtime != mtime:
return True
def request(self, prompt):
self.request_prompt = prompt
def quoted_file(self, fname):
prompt = '\n'
prompt += fname
prompt += '\n```\n'
prompt += Path(fname).read_text()
prompt += '\n```\n'
return prompt
def get_files_content(self):
prompt = ''
for fname in self.fnames:
prompt += self.quoted_file(fname)
return prompt
def get_input(self):
print()
print('='*60)
inp = ''
while not inp.strip():
try:
inp = input('> ')
except EOFError:
return
print()
#readline.add_history(inp)
readline.write_history_file(history_file)
return inp
def run(self):
messages = [
dict(role = 'system', content = prompts.main_system),
]
did_edits = False
while True:
inp = self.get_input()
if inp is None:
return
if did_edits:
files_content = prompts.files_content_prefix_edited
else:
files_content = prompts.files_content_prefix_plain
files_content += self.get_files_content()
files_content += prompts.files_content_suffix
messages += [
dict(role = 'user', content = files_content),
dict(role = 'assistant', content = "Ok."),
dict(role = 'user', content = inp + prompts.user_suffix),
dict(role = 'system', content = 'ONLY RETURN CODE USING THE ORIGINAL/UPDATED FORMAT!'),
]
content = self.send(messages)
messages.pop() # system
messages.pop() # user msg
messages.pop() # assistant Ok.
messages.pop() # user files content
# put back the user message without prompts.user_suffix
messages.append(dict(role = 'user', content = inp))
messages.append(dict(role = 'assistant', content = content))
print()
print()
try:
did_edits = self.update_files(content, inp)
if did_edits:
print()
except Exception as err:
print(err)
print()
traceback.print_exc()
def send(self, messages, show_progress = 0):
for msg in messages:
dump(msg)
completion = openai.ChatCompletion.create(
model="gpt-3.5-turbo",
#model="gpt-4",
messages=messages,
temperature=0,
stream = True,
)
if show_progress:
return self.show_send_progress(completion, show_progress)
else:
return self.show_send_output_color(completion)
def show_send_progress(self, completion, show_progress):
resp = []
pbar = tqdm(total = show_progress)
for chunk in completion:
try:
text = chunk.choices[0].delta.content
resp.append(text)
except AttributeError:
continue
pbar.update(len(text))
pbar.update(show_progress)
pbar.close()
resp = ''.join(resp)
return resp
def show_send_output_plain(self, completion):
resp = []
in_diff = False
diff_lines = []
def print_lines():
if not diff_lines:
return
code = '\n'.join(diff_lines)
lexer = lexers.guess_lexer(code)
code = highlight(code, lexer, formatter)
print(code, end='')
partial_line = ''
for chunk in completion:
try:
text = chunk.choices[0].delta.content
resp.append(text)
except AttributeError:
continue
sys.stdout.write(text)
sys.stdout.flush()
return ''.join(resp)
def show_send_output_color(self, completion):
resp = []
in_diff = False
diff_lines = []
def print_lines():
if not diff_lines:
return
code = '\n'.join(diff_lines)
lexer = lexers.guess_lexer(code)
code = highlight(code, lexer, formatter)
print(code, end='')
partial_line = ''
for chunk in completion:
try:
text = chunk.choices[0].delta.content
resp.append(text)
except AttributeError:
continue
lines = (partial_line + text)
lines = lines.split('\n')
partial_line = lines.pop()
for line in lines:
check = line.rstrip()
if check == '>>>>>>> UPDATED':
print_lines()
in_diff = False
diff_lines = []
if check == '=======':
print_lines()
diff_lines = []
print(line)
elif in_diff:
diff_lines.append(line)
else:
print(line)
if line.strip() == '<<<<<<< ORIGINAL':
in_diff = True
diff_lines = []
print_lines()
if partial_line:
print(partial_line)
return ''.join(resp)
pattern = re.compile(r'^(\S+)\n<<<<<<< ORIGINAL\n(.*?)\n=======\n(.*?)\n>>>>>>> UPDATED$', re.MULTILINE | re.DOTALL)
def update_files(self, content, inp):
did_edits = False
for match in self.pattern.finditer(content):
did_edits = True
path, original, updated = match.groups()
if self.do_replace(path, original, updated):
continue
edit = match.group()
self.do_gpt_powered_replace(path, edit, inp)
return did_edits
def do_replace(self, fname, before_text, after_text):
before_text = self.strip_quoted_wrapping(before_text, fname)
after_text = self.strip_quoted_wrapping(after_text, fname)
fname = Path(fname)
content = fname.read_text().splitlines()
before_lines = [l.strip() for l in before_text.splitlines()]
stripped_content = [l.strip() for l in content]
where = find_index(stripped_content, before_lines)
if where < 0:
return
new_content = content[:where]
new_content += after_text.splitlines()
new_content += content[where+len(before_lines):]
new_content = '\n'.join(new_content) + '\n'
fname.write_text(new_content)
print('Applied edit to', fname)
return True
def do_gpt_powered_replace(self, fname, edit, request):
print(f'Asking GPT to apply ambiguous edit to {fname}...')
fname = Path(fname)
content = fname.read_text()
prompt = prompts.editor_user.format(
request = request,
edit = edit,
fname = fname,
content = content,
)
messages = [
dict(role = 'system', content = prompts.editor_system),
dict(role = 'user', content = prompt),
]
res = self.send(messages, show_progress = len(content) + len(edit)/2)
res = self.strip_quoted_wrapping(res, fname)
fname.write_text(res)
def strip_quoted_wrapping(self, res, fname=None):
if not res:
return res
res = res.splitlines()
if fname and res[0].strip().endswith(Path(fname).name):
res = res[1:]
if res[0].startswith('```') and res[-1].startswith('```'):
res = res[1:-1]
res = '\n'.join(res)
if res and res[-1] != '\n':
res += '\n'
return res
coder = Coder()
for fname in sys.argv[1:]:
coder.add_file(fname)
#coder.update_files(Path('tmp.commands').read_text()) ; sys.exit()
coder.run()