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import argparse

import ast

import traceback

from typing import List

from typing import NamedTuple

from typing import Optional

from typing import Sequence

DEBUG_STATEMENTS = {

'ipdb',

'pdb',

'pudb',

'pydevd_pycharm',

'q',

'rdb',

'rpdb',

'wdb',

}

class Debug(NamedTuple):

line: int

col: int

name: str

reason: str

class DebugStatementParser(ast.NodeVisitor):

def __init__(self) -> None:

self.breakpoints: List[Debug] = []

def visit_Import(self, node: ast.Import) -> None:

for name in node.names:

if name.name in DEBUG_STATEMENTS:

st = Debug(node.lineno, node.col_offset, name.name, 'imported')

self.breakpoints.append(st)

def visit_ImportFrom(self, node: ast.ImportFrom) -> None:

if node.module in DEBUG_STATEMENTS:

st = Debug(node.lineno, node.col_offset, node.module, 'imported')

self.breakpoints.append(st)

def visit_Call(self, node: ast.Call) -> None:

"""python3.7+ breakpoint()"""

if isinstance(node.func, ast.Name) and node.func.id == 'breakpoint':

st = Debug(node.lineno, node.col_offset, node.func.id, 'called')

self.breakpoints.append(st)

self.generic_visit(node)

def check_file(filename: str) -> int:

try:

with open(filename, 'rb') as f:

ast_obj = ast.parse(f.read(), filename=filename)

except SyntaxError:

print(f'{filename} - Could not parse ast')

print()

print('\t' + traceback.format_exc().replace('\n', '\n\t'))

print()

return 1

visitor = DebugStatementParser()

visitor.visit(ast_obj)

for bp in visitor.breakpoints:

print(f'{filename}:{bp.line}:{bp.col} - {bp.name} {bp.reason}')

return int(bool(visitor.breakpoints))

def main(argv: Optional[Sequence[str]] = None) -> int:

parser = argparse.ArgumentParser()

parser.add_argument('filenames', nargs='*', help='Filenames to run')

args = parser.parse_args(argv)

retv = 0

for filename in args.filenames:

retv |= check_file(filename)

return retv

if __name__ == '__main__':

exit(main())

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