File: get_pid_from_output.py

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (49 lines) | stat: -rw-r--r-- 1,159 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
"""
Parses the id of the process that ran with ASAN from the output logs.
"""
import sys, argparse, re


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--infile",
        nargs="?",
        type=argparse.FileType("r"),
        default=sys.stdin,
        help="The sanitizer output to get the pid from",
    )
    parser.add_argument(
        "--outfile",
        nargs="?",
        type=argparse.FileType("r"),
        default=sys.stdout,
        help="Where to write the result",
    )
    args = parser.parse_args()

    pid = process_file(args.infile)
    args.outfile.write(pid)
    args.infile.close()
    args.outfile.close()


def process_file(infile):
    # check first line is just ==== divider
    first_line_pattern = re.compile(r"=*")
    assert first_line_pattern.match(infile.readline())

    # parse out pid from 2nd line
    # `==PID==ERROR: SanitizerName: error-type on address...`
    pid_pattern = re.compile(r"==([0-9]*)==ERROR:")
    pid = pid_pattern.search(infile.readline()).group(1)

    # ignore the rest

    assert pid and pid.isdigit()

    return pid


if __name__ == "__main__":
    main()