diff options
Diffstat (limited to '')
| -rwxr-xr-x | bin/scotch | 71 |
1 files changed, 46 insertions, 25 deletions
@@ -1,6 +1,8 @@ #!/usr/bin/env python3 # -*- coding: utf-8 -*- +"""A strace wrapper with colors.""" +import enum import sys import subprocess @@ -478,7 +480,10 @@ syscall_set = set( ) -class Color: +# pylint: disable=too-few-public-methods +class Color(enum.EnumType): + """Color enumes""" + bold = "\033[1m" faint = "\033[2m" italic = "\033[3m" @@ -506,41 +511,57 @@ class Color: def call_from_shell_list(command_list): - if sys.version_info < (3, 7): - return subprocess.run(command_list, stdout=subprocess.PIPE) - else: - return subprocess.run(command_list, capture_output=True) + """run a shell command""" + # we explicitly dont want to check for a non-zero return code + # since we sometimes use strace to debuf failing applications + return subprocess.run(command_list, capture_output=True) def main(): + """entrypoint""" if len(sys.argv) < 2: print("you want to run something right?\nright?") sys.exit(1) args = sys.argv[1:] - args.insert(0, "strace") + args.insert(0, "/usr/bin/strace") result = call_from_shell_list(args) lines = result.stderr.decode("utf-8").split("\n") - end_line = lines[-2] - lines = lines[:-2] - for line in lines: - if line[0 : line.find("(")] in syscall_set: - syscall = line[0 : line.find("(")] - sysargs = line[line.find("(") + 1 : line.find(")")].split() - exitvalue = line[line.find(")") + 1 :] - print(Color.one + syscall, end=" ") - print(Color.two, end=" ") - sysargs = list(filter(None, sysargs)) - for arg in sysargs: - if arg.find("|") > 0: - print(Color.five, arg, end=" ") - else: - print(arg, end=" ") - print(Color.three + exitvalue + Color.reset) - else: - # leave regular stdout/stderr alone. we only want syscalls + if not sys.stdout.isatty(): + for line in lines: print(line) - print(Color.reset + Color.bold + Color.nine + end_line + Color.reset) + else: + end_line = lines[-2] + lines = lines[:-2] + for line in lines: + # this is here to support the -i option + if line[0] == "[": + idx = line.find("]") + if idx - 1 < 16: + print(Color.twelve + line[0 : idx + 1], end=" ") + line = line[idx + 2 :] + if line[0] == "[": + idx = line.find("]") + if idx - 1 == 16: + print(Color.thirteen + line[0 : idx + 1], end=" ") + line = line[idx + 2 :] + if line[0 : line.find("(")] in syscall_set: + syscall = line[0 : line.find("(")] + sysargs = line[line.find("(") + 1 : line.find(")")].split() + exitvalue = line[line.find(")") + 1 :] + print(Color.one + syscall, end=" ") + print(Color.two, end=" ") + sysargs = list(filter(None, sysargs)) + for arg in sysargs: + if arg.find("|") > 0: + print(Color.five, arg, end=" ") + else: + print(arg, end=" ") + print(Color.three + exitvalue + Color.reset) + else: + # leave regular stdout/stderr alone. we only want syscalls + print(line) + print(Color.reset + Color.bold + Color.nine + end_line + Color.reset) if __name__ == "__main__": |