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150 lines
4 KiB
Python
Executable file
150 lines
4 KiB
Python
Executable file
#!/usr/bin/env python3.8
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import argparse
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import ast
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import os
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import sys
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import time
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import traceback
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import tokenize
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from glob import glob
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from pathlib import PurePath
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from typing import List, Optional, Any, Tuple
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sys.path.insert(0, os.getcwd())
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from pegen.ast_dump import ast_dump
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from pegen.testutil import print_memstats
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SUCCESS = "\033[92m"
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FAIL = "\033[91m"
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ENDC = "\033[0m"
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COMPILE = 2
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PARSE = 1
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NOTREE = 0
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argparser = argparse.ArgumentParser(
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prog="test_parse_directory",
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description="Helper program to test directories or files for pegen",
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)
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argparser.add_argument("-d", "--directory", help="Directory path containing files to test")
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argparser.add_argument(
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"-e", "--exclude", action="append", default=[], help="Glob(s) for matching files to exclude"
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)
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argparser.add_argument(
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"-s", "--short", action="store_true", help="Only show errors, in a more Emacs-friendly format"
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)
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argparser.add_argument(
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"-v", "--verbose", action="store_true", help="Display detailed errors for failures"
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)
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def report_status(
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succeeded: bool,
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file: str,
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verbose: bool,
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error: Optional[Exception] = None,
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short: bool = False,
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) -> None:
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if short and succeeded:
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return
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if succeeded is True:
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status = "OK"
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COLOR = SUCCESS
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else:
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status = "Fail"
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COLOR = FAIL
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if short:
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lineno = 0
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offset = 0
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if isinstance(error, SyntaxError):
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lineno = error.lineno or 1
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offset = error.offset or 1
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message = error.args[0]
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else:
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message = f"{error.__class__.__name__}: {error}"
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print(f"{file}:{lineno}:{offset}: {message}")
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else:
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print(f"{COLOR}{file:60} {status}{ENDC}")
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if error and verbose:
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print(f" {str(error.__class__.__name__)}: {error}")
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def parse_file(source: str, file: str) -> Tuple[Any, float]:
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t0 = time.time()
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result = ast.parse(source, filename=file)
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t1 = time.time()
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return result, t1 - t0
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def generate_time_stats(files, total_seconds) -> None:
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total_files = len(files)
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total_bytes = 0
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total_lines = 0
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for file in files:
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# Count lines and bytes separately
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with open(file, "rb") as f:
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total_lines += sum(1 for _ in f)
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total_bytes += f.tell()
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print(
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f"Checked {total_files:,} files, {total_lines:,} lines,",
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f"{total_bytes:,} bytes in {total_seconds:,.3f} seconds.",
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)
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if total_seconds > 0:
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print(
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f"That's {total_lines / total_seconds :,.0f} lines/sec,",
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f"or {total_bytes / total_seconds :,.0f} bytes/sec.",
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)
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def parse_directory(directory: str, verbose: bool, excluded_files: List[str], short: bool) -> int:
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# For a given directory, traverse files and attempt to parse each one
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# - Output success/failure for each file
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errors = 0
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files = []
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total_seconds = 0
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for file in sorted(glob(f"{directory}/**/*.py", recursive=True)):
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# Only attempt to parse Python files and files that are not excluded
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if any(PurePath(file).match(pattern) for pattern in excluded_files):
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continue
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with tokenize.open(file) as f:
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source = f.read()
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try:
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result, dt = parse_file(source, file)
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total_seconds += dt
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report_status(succeeded=True, file=file, verbose=verbose, short=short)
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except SyntaxError as error:
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report_status(succeeded=False, file=file, verbose=verbose, error=error, short=short)
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errors += 1
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files.append(file)
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generate_time_stats(files, total_seconds)
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if short:
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print_memstats()
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if errors:
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print(f"Encountered {errors} failures.", file=sys.stderr)
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return 1
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return 0
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def main() -> None:
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args = argparser.parse_args()
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directory = args.directory
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verbose = args.verbose
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excluded_files = args.exclude
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short = args.short
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sys.exit(parse_directory(directory, verbose, excluded_files, short))
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if __name__ == "__main__":
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main()
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