aider/coder.py
2023-05-08 09:18:14 -07:00

442 lines
12 KiB
Python
Executable file

#!/usr/bin/env python
import sys
import re
import readline
import traceback
import argparse
from rich.console import Console
from colorama import Fore, Style
from rich.live import Live
from rich.text import Text
from rich.markdown import Markdown
from tqdm import tqdm
from pathlib import Path
import os
import openai
from dump import dump
import prompts
history_file = ".coder.history"
try:
readline.read_history_file(history_file)
except FileNotFoundError:
pass
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()
last_modified = 0
def __init__(self, use_gpt_4, files, pretty):
if use_gpt_4:
self.main_model = "gpt-4"
else:
self.main_model = "gpt-3.5-turbo"
for fname in files:
self.fnames[fname] = Path(fname).stat().st_mtime
self.check_for_local_edits(True)
self.pretty = pretty
if pretty:
self.console = Console()
else:
self.console = Console(force_terminal=True, no_color=True)
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):
if self.pretty:
self.console.rule()
else:
print()
inp = ""
if self.pretty:
print(Fore.GREEN, end="\r")
else:
print()
while not inp.strip():
try:
inp = input("> ")
except EOFError:
return
###
if self.pretty:
print(Style.RESET_ALL)
else:
print()
readline.write_history_file(history_file)
return inp
def check_for_local_edits(self, init=False):
last_modified = max(Path(fname).stat().st_mtime for fname in self.fnames)
since = last_modified - self.last_modified
self.last_modified = last_modified
if init:
return
if since > 0:
return True
return False
def get_files_messages(self):
files_content = prompts.files_content_prefix
files_content += self.get_files_content()
files_messages = [
dict(role="user", content=files_content),
dict(role="assistant", content="Ok."),
dict(
role="system",
content=prompts.files_content_suffix + prompts.system_reminder,
),
]
return files_messages
def run(self):
self.done_messages = []
self.cur_messages = []
self.num_control_c = 0
while True:
try:
self.run_loop()
except KeyboardInterrupt:
self.num_control_c += 1
if self.num_control_c >= 2:
break
self.console.print("[bold red]^C again to quit")
if self.pretty:
print(Style.RESET_ALL)
def run_loop(self):
inp = self.get_input()
if inp is None:
return
self.num_control_c = 0
if self.check_for_local_edits():
# files changed, move cur messages back behind the files messages
self.done_messages += self.cur_messages
self.done_messages += [
dict(role="user", content=prompts.files_content_local_edits),
dict(role="assistant", content="Ok."),
]
self.cur_messages = []
self.cur_messages += [
dict(role="user", content=inp),
]
messages = [
dict(role="system", content=prompts.main_system + prompts.system_reminder),
]
messages += self.done_messages
messages += self.get_files_messages()
messages += self.cur_messages
# self.show_messages(messages, "all")
content, interrupted = self.send(messages)
if interrupted:
content += "\n^C KeyboardInterrupt"
self.cur_messages += [
dict(role="assistant", content=content),
]
self.console.print()
if interrupted:
return True
try:
edited = self.update_files(content, inp)
except Exception as err:
print(err)
print()
traceback.print_exc()
edited = None
if not edited:
return True
self.check_for_local_edits(True)
self.done_messages += self.cur_messages
self.done_messages += [
dict(role="user", content=prompts.files_content_gpt_edits),
dict(role="assistant", content="Ok."),
]
self.cur_messages = []
return True
def show_messages(self, messages, title):
print(title.upper(), "*" * 50)
for msg in messages:
print()
print("-" * 50)
role = msg["role"].upper()
content = msg["content"].splitlines()
for line in content:
print(role, line)
def send(self, messages, model=None, show_progress=0):
# self.show_messages(messages, "all")
if not model:
model = self.main_model
completion = openai.ChatCompletion.create(
model=model,
messages=messages,
temperature=0,
stream=True,
)
interrupted = False
try:
if show_progress:
self.show_send_progress(completion, show_progress)
elif self.pretty:
self.show_send_output_color(completion)
else:
self.show_send_output_plain(completion)
except KeyboardInterrupt:
interrupted = True
return self.resp, interrupted
def show_send_progress(self, completion, show_progress):
self.resp = ""
pbar = tqdm(total=show_progress)
for chunk in completion:
try:
text = chunk.choices[0].delta.content
self.resp += text
except AttributeError:
continue
pbar.update(len(text))
pbar.update(show_progress)
pbar.close()
def show_send_output_plain(self, completion):
self.resp = ""
for chunk in completion:
if chunk.choices[0].finish_reason not in (None, "stop"):
dump(chunk.choices[0].finish_reason)
try:
text = chunk.choices[0].delta.content
self.resp += text
except AttributeError:
continue
sys.stdout.write(text)
sys.stdout.flush()
def show_send_output_color(self, completion):
self.resp = ""
with Live(vertical_overflow="scroll") as live:
for chunk in completion:
if chunk.choices[0].finish_reason not in (None, "stop"):
assert False, "Exceeded context window!"
try:
text = chunk.choices[0].delta.content
self.resp += text
except AttributeError:
continue
md = Markdown(self.resp, style="blue", code_theme="default")
live.update(md)
live.update(Text(""))
live.stop()
md = Markdown(self.resp, style="blue", code_theme="default")
self.console.print(md)
pattern = re.compile(
r"(^```\S*\s*)?^((?:[a-zA-Z]:\\|/)?(?:[\w\s.-]+[\\/])*\w+\.\w+)\s+(^```\S*\s*)?^<<<<<<< ORIGINAL\n(.*?\n?)^=======\n(.*?\n?)*^>>>>>>> UPDATED", # noqa: E501
re.MULTILINE | re.DOTALL,
)
def update_files(self, content, inp):
edited = set()
for match in self.pattern.finditer(content):
_, path, _, original, updated = match.groups()
edited.add(path)
if self.do_replace(path, original, updated):
continue
edit = match.group()
self.do_gpt_powered_replace(path, edit, inp)
return edited
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)
# does it want to make a new file?
if not fname.exists() and not before_text:
print("Creating empty file:", fname)
fname.touch()
content = fname.read_text().splitlines()
if not before_text and not content:
# first populating an empty file
new_content = after_text
else:
before_lines = [line.strip() for line in before_text.splitlines()]
stripped_content = [line.strip() for line 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)
self.console.print(f"Applied edit to {fname}")
return True
def do_gpt_powered_replace(self, fname, edit, request):
model = "gpt-3.5-turbo"
print(f"Asking {model} 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, interrupted = self.send(
messages, show_progress=len(content) + len(edit) / 2, model=model
)
if interrupted:
return
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
def main():
parser = argparse.ArgumentParser(description="Chat with GPT about code")
parser.add_argument(
"files", metavar="FILE", nargs="+", help="a list of source code files"
)
parser.add_argument(
"-3",
"--gpt-3-5-turbo",
action="store_true",
help="Only use gpt-3.5-turbo, not gpt-4",
)
parser.add_argument(
"--no-pretty",
action="store_false",
dest="pretty",
default=True,
help="Disable prettyd output of GPT responses",
)
parser.add_argument(
"--apply",
metavar="FILE",
help="Apply the changes from the given file instead of running the chat",
)
args = parser.parse_args()
use_gpt_4 = not args.gpt_3_5_turbo
fnames = args.files
pretty = args.pretty
coder = Coder(use_gpt_4, fnames, pretty)
if args.apply:
with open(args.apply, "r") as f:
content = f.read()
coder.update_files(content, inp="")
else:
coder.run()
if __name__ == "__main__":
status = main()
sys.exit(status)