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#!/usr/bin/env python
import os
import sys
import errno
SRT_BIN_PREFIX = "srt-"
def find_srt_commands_in_path():
paths = os.environ.get("PATH", "").split(os.pathsep)
for path in paths:
try:
path_files = os.listdir(path)
except OSError as thrown_exc:
if thrown_exc.errno in (errno.ENOENT, errno.ENOTDIR):
continue
else:
raise
for path_file in path_files:
if path_file.startswith(SRT_BIN_PREFIX):
yield path_file[len(SRT_BIN_PREFIX) :]
def show_help():
print(
"Available commands "
"(pass --help to a specific command for usage information):\n"
)
commands = sorted(set(find_srt_commands_in_path()))
for command in commands:
print("- {}".format(command))
def main():
if len(sys.argv) < 2 or sys.argv[1].startswith("-"):
show_help()
sys.exit(0)
command = sys.argv[1]
available_commands = find_srt_commands_in_path()
if command not in available_commands:
print('Unknown command: "{}"\n'.format(command))
show_help()
sys.exit(1)
real_command = SRT_BIN_PREFIX + command
os.execvp(real_command, [real_command] + sys.argv[2:])
if __name__ == "__main__": # pragma: no cover
main()
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