aider/coder.py
2023-05-08 23:43:54 -07:00

632 lines
18 KiB
Python
Executable file

#!/usr/bin/env python
import sys
import re
import readline
import traceback
import argparse
from rich.console import Console
from rich.prompt import Confirm, Prompt
from colorama import Fore, Style
from rich.live import Live
from rich.text import Text
from rich.markdown import Markdown
from dotenv import load_dotenv
from tqdm import tqdm
from pathlib import Path
from findblock import replace_most_similar_chunk
import os
import git
import openai
from dump import dump
import prompts
openai.api_key = os.getenv("OPENAI_API_KEY")
class Coder:
fnames = dict()
last_modified = 0
repo = None
history_file = ".coder.history"
def __init__(self, main_model, files, pretty):
try:
readline.read_history_file(self.history_file)
except FileNotFoundError:
pass
self.main_model = main_model
if pretty:
self.console = Console()
else:
self.console = Console(force_terminal=True, no_color=True)
for fname in files:
fname = Path(fname)
if not fname.exists():
self.console.print(f"[red]Creating {fname}")
fname.touch()
else:
self.console.print(f"[red]Loading {fname}")
self.fnames[str(fname)] = fname.stat().st_mtime
self.set_repo()
if not self.repo:
self.console.print(
"[red bold]Will not automatically commit edits as they happen."
)
self.pretty = pretty
def set_repo(self):
repo_paths = list(
git.Repo(fname, search_parent_directories=True).git_dir
for fname in self.fnames
)
num_repos = len(set(repo_paths))
if num_repos == 0:
self.console.print("[red bold]Files are not in a git repo.")
return
if num_repos > 1:
self.console.print("[red bold]Files are in different git repos.")
return
repo = git.Repo(repo_paths.pop())
new_files = []
for fname in self.fnames:
relative_fname = os.path.relpath(fname, repo.working_tree_dir)
tracked_files = set(repo.git.ls_files().splitlines())
if relative_fname not in tracked_files:
new_files.append(relative_fname)
if new_files:
self.console.print(f"[red bold]Files not tracked in {repo.git_dir}:")
for fn in new_files:
self.console.print(f"[red bold] {fn}")
if Confirm.ask("[bold red]Add them?", console=self.console):
for relative_fname in new_files:
repo.git.add(relative_fname)
self.console.print(
f"[red bold]Added {relative_fname} to the git repo"
)
commit_message = "Initial commit: Added new files to the git repo."
repo.git.commit("-m", commit_message, "--no-verify")
self.console.print(
f"[green bold]Committed new files with message: {commit_message}"
)
else:
self.console.print(
"[red bold]Skipped adding new files to the git repo."
)
return
self.repo = repo
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 = ""
multiline_input = False
if self.pretty:
print(Fore.GREEN, end="\r")
else:
print()
while True:
try:
if multiline_input:
line = input(". ")
else:
line = input("> ")
except EOFError:
return
if line.strip() == "{" and not multiline_input:
multiline_input = True
continue
elif line.strip() == "}" and multiline_input:
break
elif multiline_input:
inp += line + "\n"
else:
inp = line
break
if self.pretty:
print(Style.RESET_ALL)
else:
print()
readline.write_history_file(self.history_file)
return inp
def get_last_modified(self):
return max(Path(fname).stat().st_mtime for fname in self.fnames)
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.last_modified < self.get_last_modified():
self.commit(ask=True)
# 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"
Path("tmp.last-edit.md").write_text(content)
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
res = self.commit(history=self.cur_messages)
if res:
commit_hash, commit_message = res
saved_message = prompts.files_content_gpt_edits.format(
hash=commit_hash,
message=commit_message,
)
else:
self.console.print("[red bold]No changes found in tracked files.")
saved_message = prompts.files_content_gpt_no_edits
self.done_messages += self.cur_messages
self.done_messages += [
dict(role="user", content=saved_message),
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, progress_bar_expected=0, silent=False):
# self.show_messages(messages, "all")
if not model:
model = self.main_model
import time
from openai.error import RateLimitError
while True:
try:
completion = openai.ChatCompletion.create(
model=model,
messages=messages,
temperature=0,
stream=True,
)
break
except RateLimitError as e:
retry_after = e.retry_after
print(f"Rate limit exceeded. Retrying in {retry_after} seconds.")
time.sleep(retry_after)
interrupted = False
try:
if progress_bar_expected:
self.show_send_progress(completion, progress_bar_expected)
elif self.pretty and not silent:
self.show_send_output_color(completion)
else:
self.show_send_output_plain(completion, silent)
except KeyboardInterrupt:
interrupted = True
return self.resp, interrupted
def show_send_progress(self, completion, progress_bar_expected):
self.resp = ""
pbar = tqdm(total=progress_bar_expected)
for chunk in completion:
try:
text = chunk.choices[0].delta.content
self.resp += text
except AttributeError:
continue
pbar.update(len(text))
pbar.update(progress_bar_expected)
pbar.close()
def show_send_output_plain(self, completion, silent):
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
if not silent:
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(.*?)^>>>>>>> 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()
if path not in self.fnames:
if not Path(path).exists():
question = f"[red bold]Allow creation of new file {path}?"
else:
question = f"[red bold]Allow edits to {path} which was not previously provided?"
if not Confirm.ask(question, console=self.console):
self.console.print(f"[red]Skipping edit to {path}")
continue
self.fnames[path] = 0
edited.add(path)
self.do_replace(path, original, updated)
# 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()
if not before_text and not content:
# first populating an empty file
new_content = after_text
else:
new_content = replace_most_similar_chunk(content, before_text, after_text)
if not new_content:
self.console.print(f"[red]Failed to apply edit to {fname}")
return
fname.write_text(new_content)
self.console.print(f"[red]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, progress_bar_expected=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 commit(self, history=None, prefix=None, ask=False):
repo = self.repo
if not repo:
return
if not repo.is_dirty():
return
diffs = ""
dirty_fnames = []
relative_dirty_fnames = []
for fname in self.fnames:
relative_fname = os.path.relpath(fname, repo.working_tree_dir)
these_diffs = repo.git.diff("HEAD", relative_fname)
if these_diffs:
dirty_fnames.append(fname)
relative_dirty_fnames.append(relative_fname)
diffs += these_diffs + "\n"
if not dirty_fnames:
self.last_modified = self.get_last_modified()
return
self.console.print(Text(diffs))
diffs = "# Diffs:\n" + diffs
# for fname in dirty_fnames:
# self.console.print(f"[red] {fname}")
context = ""
if history:
context += "# Context:\n"
for msg in history:
context += msg["role"].upper() + ": " + msg["content"] + "\n"
messages = [
dict(role="system", content=prompts.commit_system),
dict(role="user", content=context + diffs),
]
# if history:
# self.show_messages(messages, "commit")
commit_message, interrupted = self.send(
messages,
model="gpt-3.5-turbo",
silent=True,
)
commit_message = commit_message.strip().strip('"').strip()
if interrupted:
raise KeyboardInterrupt
if prefix:
commit_message = prefix + commit_message
if ask:
self.last_modified = self.get_last_modified()
self.console.print("[red]Files have uncommitted changes.\n")
self.console.print(f"[red]Suggested commit message:\n{commit_message}\n")
res = Prompt.ask(
"[red]Commit before the chat proceeds? \[y/n/commit message]", # noqa: W605
console=self.console,
).strip()
if res.lower() in ["n", "no"]:
self.console.print("[red]Skipped commmit.")
return
if res.lower() not in ["y", "yes"]:
commit_message = res
repo.git.add(*relative_dirty_fnames)
full_commit_message = commit_message + "\n\n" + context
repo.git.commit("-m", full_commit_message, "--no-verify")
commit_hash = repo.head.commit.hexsha[:7]
self.console.print(f"[green]{commit_hash} {commit_message}")
self.last_modified = self.get_last_modified()
return commit_hash, commit_message
def main():
load_dotenv()
env_prefix = "CODER_"
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(
"--model",
metavar="MODEL",
default="gpt-4",
help="Specify the model to use for the main chat (default: gpt-4)",
)
parser.add_argument(
"-3",
action="store_const",
dest="model",
const="gpt-3.5-turbo",
help="Use gpt-3.5-turbo model for the main chat",
)
parser.add_argument(
"-4",
action="store_const",
dest="model",
const="gpt-4",
help="Use gpt-4 model for the main chat",
)
parser.add_argument(
"--no-pretty",
action="store_false",
dest="pretty",
help="Disable prettyd output of GPT responses",
default=bool(int(os.environ.get(env_prefix + "PRETTY", 1))),
)
parser.add_argument(
"--apply",
metavar="FILE",
help="Apply the changes from the given file instead of running the chat",
)
parser.add_argument(
"--commit-dirty",
action="store_true",
help="Commit dirty files without confirmation",
default=bool(int(os.environ.get(env_prefix + "COMMIT_DIRTY", 0))),
)
args = parser.parse_args()
fnames = args.files
pretty = args.pretty
coder = Coder(args.model, fnames, pretty)
coder.commit(ask=not args.commit_dirty, prefix="WIP: ")
if args.apply:
with open(args.apply, "r") as f:
content = f.read()
coder.update_files(content, inp="")
return
coder.run()
if __name__ == "__main__":
status = main()
sys.exit(status)