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import os
import sys
from collections import defaultdict
from contextlib import suppress
from pathlib import Path
from subprocess import PIPE, run
from .error import ErrorCode
from .loader import get_error_class, get_modules
from .visitor import METHOD_NODE_MAPPINGS
FILE_TEMPLATE = '''\
from dataclasses import dataclass
{imports}
from refurb.error import Error
@dataclass
class ErrorInfo(Error):
"""
TODO: fill this in
Bad:
```
# TODO: fill this in
```
Good:
```
# TODO: fill this in
```
"""
prefix = "{prefix}"
code = {id}
msg: str = "Your message here"
def check(node: {accept_type}, errors: list[Error]) -> None:
match node:
case {pattern}:
errors.append(ErrorInfo.from_node(node))
'''
def fzf(data: list[str] | None, args: list[str]) -> str:
env = os.environ | {
"SHELL": "/bin/bash",
"FZF_DEFAULT_COMMAND": "find refurb -name '*.py' -not -path '*__*' 2> /dev/null || true", # noqa: E501
}
process = run( # noqa: PLW1510
["fzf", "--height=20", *args], # noqa: S603, S607
env=env,
stdout=PIPE,
input=bytes("\n".join(data), "utf8") if data else None,
)
fzf_error_codes = (2, 130)
if process.returncode in fzf_error_codes:
sys.exit(1)
return process.stdout[:-1].decode()
def folders_needing_init_file(path: Path) -> list[Path]:
path = path.resolve()
cwd = Path.cwd().resolve()
if path.is_relative_to(cwd):
to_remove = len(cwd.parents) + 1
return [path, *list(path.parents)[:-to_remove]]
return []
def get_next_error_id(prefix: str) -> int:
highest = 0
for module in get_modules([]):
if error := get_error_class(module):
error_code = ErrorCode.from_error(error)
if error_code.prefix == prefix:
highest = max(highest, error_code.id + 1)
return highest
NODES: dict[str, type] = {x.__name__: x for x in METHOD_NODE_MAPPINGS.values()}
def node_type_prompt() -> list[str]:
return sorted(fzf(list(NODES.keys()), args=["--prompt", "type> ", "--multi"]).splitlines())
def filename_prompt() -> Path:
return Path(
fzf(
None,
args=[
"--prompt",
"filename> ",
"--print-query",
"--query",
"refurb/checks/",
],
).splitlines()[0]
)
def prefix_prompt() -> str:
return fzf([""], args=["--prompt", "prefix> ", "--print-query", "--query", "FURB"])
def build_imports(names: list[str]) -> str:
modules: defaultdict[str, list[str]] = defaultdict(list)
for name in names:
modules[NODES[name].__module__].append(name)
return "\n".join(
f"from {module} import {', '.join(names)}"
for module, names in sorted(modules.items(), key=lambda x: x[0])
)
def main() -> None:
selected = node_type_prompt()
file = filename_prompt()
if file.suffix != ".py":
print('refurb: File must end in ".py"')
sys.exit(1)
prefix = prefix_prompt()
template = FILE_TEMPLATE.format(
accept_type=" | ".join(selected),
imports=build_imports(selected),
prefix=prefix,
id=get_next_error_id(prefix) or 100,
pattern=" | ".join(f"{x}()" for x in selected),
)
with suppress(FileExistsError):
file.parent.mkdir(parents=True, exist_ok=True)
for folder in folders_needing_init_file(file.parent):
(folder / "__init__.py").touch(exist_ok=True)
file.write_text(template, "utf8")
print(f"Generated {file}")
if __name__ == "__main__":
main()
|
